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400 - Southern Coastal

1. Figure 6 88 Evaporator 6 38 FE zerod 400 Series Component Access and Removal Refrigerant Valve Access and Removal Model 430 The refrigerant valves are located to the right of the compressor and are held to the valve bracket with P clamps and screws The top valve is for the upper wine storage compartment and the bottom valve is for the lower wine storage compartment See Figure 6 89 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the refrigerant from the sealed system cut the capillary tube approximately 1 from the refriger ant valve and cut the valve inlet tube approximately 3 from the refrigerant valve Then lift the valve out Filter Drier Access and Removal Model 430 The filter drier which has two outlet tubes is located to the left of the condenser One outlet tube runs to the top refrigerant valve and the other tube runs to the bot tom refrigerant valve See Figure 6 89 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the refrigerant from the sealed system cut both outlet tubes approximately 1 from the filter drier and cut the drier inlet tube approximately 1 from the
2. 6 7 Cabinet Slide Spacer amp Support Spacer 6 7 Upper Light Strip iiu Ete 6 7 Upper 8 Lower Evaporator Fan Cover 6 8 Upper Evaporator Cover 6 8 Lower Evaporator Cover 6 8 Evaporator Support Cover 6 9 Page Model 424 Interior Mechanical Component Access amp Removal sr 6 9 Control Board isi o eei 6 9 Control Panel Assembly 6 10 Upper Compartment Thermistor 6 10 Lower Compartment Thermistor 6 10 Upper Evaporator Thermistor 6 11 Lower Evaporator Thermistor 6 11 Upper Evaporator Fan Assembly 6 11 Lower Evaporator Fan Assembly 6 11 Model 424 Sealed System Component Access amp Removal 6 12 Upper Evaporator Assembly 6 12 Lower Evaporator Assembly 6 13 Refrigerant Valve 6 13 1 1 BO Rr PP 6 13 d E 6 14 seule 6 14 Model 427 amp 427R Model 427 amp 427R Exterior Cosmetic and Mechanical Component Acce
3. 8 11 2 If Outside US this could be Extremely Warm Temperatures Displayed 38 to 65 8 11 G SERVICE FlashiNg sirrien A 8 11 EE Displayed for Either Wine Storage Compartment with SERVICE Flashing 8 11 I Lights Stay on in Either Wine Storage Compartment pp 8 11 J Lights Will Not Energize in One or Both Wine Storage Compartments pp 8 11 K Control Panel Keys Inoperable or Malfunctioning 8 12 LE JjBEDS DoUNoOUlllumitiate citet tete asss aE extet terne utet et ceteri nete rure p EE 8 12 M All LED s Stay Illuminated pp 8 12 N Same Segment s Missing from Both Display WindoWS Nt 8 12 Segment s Missing from Only One Display Windows pp 8 12 P Door Unit Uncsevel e Rete Eee Peg apasaq ete to een eee 8 12 427R Refrigerator Only PAGE Q Warm Temperature in Refrigerator Compartment pp 8 13 R EE SERVICE Flashing one Rer Ro Pope Hed ce t Dn epa Yu EE PEDE uae 8 14 NOTE Before serial 1728753 the Drawer Location Annunciators will flash S or and SERVICE Flashing sss 8 14 NOTE Before serial 1728753 the Drawer Location Annunciators will flash
4. HEATSHRINK 39NVHO 3uHM SENSOR UPPER COMPARTMENT BLUE WI BLACK HEATSHRINK N GRAY COMPRESSOR MOTOR SENSOR LOWER COMPARTMENT SUPPLY CORD Camm ame SRM LOWER FAN LNAWLYVdNOS Y3ddN LNAWLYVdNOD H3MOT CONDENSER FAN MOTOR TESTER 10 4 Y 24 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC MODEL 424 Starting with Serial 1944319 HIGH VOLTAGE 115 VOLTS Aa WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when service is complete Failure to observe the above warnings may result in severe electrical shock 60 CYCLES LIGHTS LIGHTS UPPER oooooooo EVAPORATOR FAN MOTORS LOWER 0000000 SOLENOID LOWER WINE CONTROL BOARD 295 OHMS 0000000 SOLENOID UPPER gogogggaonan 295 OHMS M CONDENSER FAN MOTOR
5. COMPRESSOR CONDENS FAN MOTOR 3IIHM M3m8 31HM Mama TESTER SOLENOID SUPPLY CORD LNAWLYVdNOS LNAWLYVdNOS LNAWLYVdWOD H3MOT1 10 6 400 Series Wiring Diagrams amp Schematics This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service P ri r to S e ri a 1 0443 1 9 n devices are connected when Failure to observe the above warnings may result in severe electrical shock HIGH VOLTAGE 115 VOLTS 60 CYCLES EVAPORATOR FAN SWITCH YELLOW N UPPER EVAPORATOR FAN MOTORS LOWER LIGHT SWITCH o LIGHTS oooooooo LIGHTS 0000000 SOLENOID LOWER 295 Ohms 0000000 SOLENOID UPPER 295 Ohms QO909RGH0000 7 CONDENSER FAN MOTOR M COMPRESSOR STARTING RELAY OVERLOAD PROTECTOR 0 SOMPRESSOR THERMISTER 1 LOWER CABINET MEMBRANE SWITCH THERMISTER 2 UPPER CABINET THERMISTER 3 LOWER EVAPORATOR BLUE W WHITE B
6. M ev _ WINE DPDT RELAY cone BLACK Q BROWN PURPLE NEUTRAL WHITE Evaporator temperature above 40 F 4 C BLUE W BLACK BLUE W YELLOW land BLUE W BLACK BLUE W YELLOW U THERMISTER THERMISTER CABINET i E EVAPORATOR Calling for cooling f ZONE THERMISTORS REFRIGERATOR CONTROL BOARD DOOR SWITCH TOP DRAWER DRAWER CONTROL n DOOR SWITCH BOTTOM DRAWER N Both drawers closed WHITE W RED WHITE W RED Figure 3 66 Compressor Evap Fan Mullion Heater amp Condenser Fan Signal Trace Refrigerator Section Calling for Cooling w Evaporator temperatures above 40 F 4 C 3 33 Electronic Control System Information 400 Series gt Monitor and Control Refrigerator Off cycle Defrost The temperature signals from the compartment thermistor and evaporator thermistor are monitored by the electronic control The compartment thermistor governs cut in and cut out If the compartment calls for cooling the evapora tor fan will run but the compressor will not run until the evaporator is above 40 F 4 C The air circulated by the evaporator fan assists in raising the temperature of the evaporator aiding in the defrost process See Figure 3 67
7. THERMISTUR 2 UPPER LIGHTS l LIGHT SWISH THERMISTOR 3 Low VOLTAGE lt LOWER EVAPORATOR CIRCUIT FOR HOME ALARMS O LI EVAPORATOR COMPRESSOR S REFRIGERANT VALVE SOLENOID O UPPER CABINET THERMISTOR 1 CABINET LOWER CABINET REFRIGERANT VALVE SOLENOID LOWER CABINET 1 9 N SWITCHES Figure 3 1 Basic Wine Storage Electronic Control System Prior to Serial 1944319 Figure 3 2 Basic Wine Storage Electronic Control System Starting w Serial 1944319 3 3 Electronic Control System Information 400 Series Feve z nod WINE STORAGE CONTROL BOARD LAYOUT AND SUMMARY TABLE The electrical connection points on the wine storage control board are labeled Alphanumerically These labels correspond with the alphanumeric control board summary table located on all 400 Series wiring dia gram By referencing the summary table it is possible to identify which components are connected at which connection points on the control board Below is a lay out diagram of the control board followed by a copy of summary table See Figures 3 3 and 3 4 NOTE
8. MOTBAIM 3ms MOTISA IM BLIHM M Xv18 M 3018 v18 M ana nom 38 M3ONVEO MOTBAIM 3018 HEATSHRINK N UPPER FAN MOTOR MOTISA IM SONVEO M SLIHM L 3s 3LIHWZ 3IHMJM AVEO SOLENOID UPPER MOTBAS amag Z Nidg WINE CONTROL BOARD SIIHMOL 2 AVES Nmoug J HEATSHRINK SENSOR UPPER BLUE WJ BLACK BLUE WI BLACK COMPARTMENT I HEATSHRINK y GRAY COMPRESSOR MOTOR SIIHM M LIM M SENSOR LOWER COMPARTMENT SUPPLY CORD LOWER FAN AN3IA LHVdWOO TESTER CONDENSER FAN MOTOR LNAWLYVdNOS H3MOT1 10 2 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC 4M WARNING MODEL 424 ET meer Disconnect appliance from electrical supply before Prior to Serial 1944319 or ee service is complete Failure to observe the above warnings may result in
9. POWER SUPPLY CORD UPPER FAN MOTOR SENSOR UPPER 2 COMPARTMENT 3IIHM M 3ma SLIHM COMPARTMENT LOWER FAN MOTOR IM 3ITT8 XXOV18 M ana CONDENSER FAN MOTOR TESTER IN3MA LHVdlWOO H3ddf LNAWLYVdNOS H3MOT 10 18 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC 4A WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when Prior to Serial 1944319 saan Failure to observe the above warnings may result in severe electrical shock HIGH VOLTAGE L1 115 VOLTS 60 CYCLES EVAPORATOR FAN SWITCH YELLOW LIGHT SWITCH UPPER EVAPORATOR FAN MOTORS LOWER LIGHTS LIGHTS 0000000 SOLENOID LOWER 295 Ohms WINE CONTROL BOARD 0000000 SOLENOID UPPER 295 Ohms M CONDENSER FAN MOTOR COMPRESSOR STARTING RELAY M COMPRESSOR THERMISTER 1
10. COMPRESSOR STARTING RELAY COMPRESSOR MEMBRANE SW BLUE WWHITE THERMISTER 1 LOWER CABINET STER 2 CABINET THERMISTER 3 LOWER EVAPORATOR BLUE WWHITE BLUE W BLACK BLUE WIBLACK BLUE WIRED THERMISTER 4 ORANGE WIRED BLUE WIYELLOW UPPER EVAPORATOR ORANGE W YELLOW GO GO DISPLAY WHITE WIRED WHITE WIBLUE GRAY WWHITE WINE CONTROL BOARD oOooocoooooAG N I I 10 5 PART NUMBER 3757510 REV A Al 9899 6 LYVd TI3A 39NVHO SASNAS WOLIVHOdVA3 H3ddfl 8d ALdW3 vd MOTAN JYXNLYYJdJAWIL 595335 YOLYYOdYA 3 H3ddfl 2 MOTI3A SNVd HOLVHOdVAS SH3MOd SNVH HO1VHOdVA3 Sd Q38 39NVHO Junivs3dWal S3SN3s WHO1VHOdVA3 H3MOT 9d 3718 51009 GIONS IOS H3MOT1 9d qasa3rnas SYNLVeAdWAL S3SN3s HOJVHOdVA3 H3MOT Sd 39NVHO 001 NO SLHOI NSHM NO 3Gql32313AO SLHOIT dd yDv 19 3n19 3univs3diWwal S3SN3s A3NI8VO vd MNId 51009 3AT1VA GIONG IOS 8d Movig dnTg 3univs3dwal S3SN3s J3NI
11. CONTROL BTE ASSEMBLY CONTROL BOARD RIBBON CABLE TO LED MICROPROCESSOR 7 SERVICE ALARM x f 3 RELAYS 7 N RIBBON CABLE TO MEMBRANE CONDENSER SWITCH FAN THERMISTOR 4 UPPER POWER EVAPORATOR IN 15 RIR m a A 2 UPPER CABINET zt THERMISTOR 1 LOWER CABINET LIGHT THERMISTOR 3 VOLTAGE LOWER EVAPORATOR CIRCUIT FOR HOME ALARMS EVAPORATOR O COMPRESSOR FANS REFRIGERANT VALVE SOLENOID UPPER CABINET REFRIGERANT FAN SWITCHES VALVE SOLENOID T O LOWER CABINET I CONTROL mw ASSEMBLY CONTROL BOARD RIBBON CABLE TO LED J MIP RUPRUPESOUR SERVICE ALARM ELL we RELAYS CONDENSER FAN 4 POWER RIBBON CABLE TO MEMBRANE SWITCH THERMISTOR 4 CUPPER EVAPORATOR 115V R
12. SWHV1V 3INOH 404 SWav V 3NOH NONNOD LInoadlD Wav IV 035019 NYY IV N3dO ATIVNYON LINOYID NYY TY AVES LINDO WV TV MOV 18 SLINOUIO 39VL TOA MOT NOlLdIHDS3d PART NUMBER 3757500 REVA SLHOM SH3MOd WOSS3HdWOD SH3MOd OLNI H3MOd SLHOM 3 NOSSdHdWOD NI H3MOd a SLINDYID LION 02 NOILONN 4 53 LANOAVT AYVAWAS IOYLNOOS 531035 007 4A WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before severe electrical shock service is complete Failure to observe the above warnings may result in beginning service Be sure all grounding devices are connected when LNAWLYVdNOS Y3ddN IN3A LSVdWOO 3 1QGIN IN3A LHVdWOO 3018 L M 3ONVHO Z dVA3 HOSN3S HEATSHRINK SENSOR LOWER EVAP M HEATSHRINK G3W M M 3ONVHO MOTIBAIM MOTTA IM ORANGE W YELLOW BLUE WI YELLOW ovis jw ams Sova iam TESTER Sasu ana 9 G38 M SONVHO MOT
13. LIGHT TUBE Gau Mana M HEATSHRINK TSIIHM ania Z3IIHM mama TGSHIM ama 5 ama HEATSHRINK Z IM3ONVUO 9 O387M SONVEO EMOTIA MANTE 38 MALIHMZ SLIHM IM AVEO LOWER SOLENOID BOARD CONTROL WINE Im Zi N33HO HEATSHRINK 2 BLUE W BLACK 3 BLUE W BLACK SUPPLY CORD ob CONDENSER FAN MOTOR GREEN COMPRESSOR H HEATSHRINK LIGHT TUBE TESTER LIGHT TUBE SENSOR LOWER UPPER FAN MOTOR COMPARTMENT Omman SENSOR UPPER COMPARTMENT ova mana ova Mane SLM 7M RE 24 RANGE LOWER FAN MOTOR fs JIN3IALLHVdINOO LNAWLYVdNOD 10 20 FEv zerod 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC J A WARNING MODEL 430 sss s Dis
14. SLINOYID MOT SLINDYIO LION 02 NOLLONNS NOLLdIdOS3Gd LINDO NOILONNA NOILLdIHOS3G LNOAVI AYVWNWNNS GYVOd TOHLNOO 591035 00v th Serial 1944319 st N st LLI O ing wi lt D lt m 2 x Start PART NUMBER 3757510 REV A ANAWLYVdNOS LANSAWLYVdNOS H3MOT1 n MOTBAIM 7w SENSOR UPPER EVAP LIGHT TUBE MOTIA IM 39NvHO UPPER FAN SWITCH LIGHT SWITCH wana M 35NvHO p LOWER FAN SWITCH n LOWER EVAP U SENSOR Ed LOWER SOLENOID GadaoNvdoz Mania L MONIA IM MOTBAIM SUHM 3018 OV18 Mane HEATSHRINK yva M 3m8 Gau Mana MOTBAIM 3018 N UPPER FAN MOTOR MOTISA M3ONVEO M L 3m8 M3IHMZ SLIM IM AVEO SOLENOID 3089 BONVUO Z WINE CONTROL BOARD BLIHM OF N33HO 21 Avo EEA NMOUS
15. o EN Peu 3 14 Door Adjustment Model 424 24 Showroom Mode 3 15 Door 8 Drawer Adjustment Model 427 427R 2 4 Wine Storage Temperature Alarm Feature Door Adjustment Model 0 2 4 and Possible Error Indicators 3 16 Door Stop Adjustment Model 427 427R 2 5 Warm Temperature Alarm 3 16 Door Stop Installation Model 430 2 5 Cold Temperature Alarm 3 17 Door Panel Removal amp Installation All Models 2 5 Thermistor Malfunction Error Indicators 3 17 Stainless Steel Door Panel Removal amp Installation Wine Storage Diagnostic Mode 3 19 Model 424 mein eei 2 5 Manual Wine Storage Refrigerant Overlay Door Panel Removal amp Installation Valve Activation Mode ette ttti 3 20 424 aisha sats eret rr ERR ERR MEER 2 5 Wine Storage Temperature Log Recall Mode 3 21 Door Panel Removal amp Installation Wine Storage Temperature Log Index Chart 3 23 c oval amp lristallatiop Ci 20 427R Refrigerator Electronic Control System Model 427R tie 2 7 Model 427R Refrigerator Electronic Control Stainless Steel Door Panel Removal amp Installation Terminology and Component Descriptions 3 24 Model 430 aa aa 2 7
16. Drawer Panel Removal and Installation Model 427R NOTE The model 427R is NOT supplied with panels from the factory Panels are purchased separately _ Drawer panels are attached to the drawers of a 427R Figure 2 18 Model 427 427R using screws passing through mounting brackets at the Door Panel Removal bottom of each drawer and a dog eared bracket on the back of the panel fitting into slots in the face of the drawers See Figure 2 19 Handles are attached to the panels Drawer Panel Mounting Bracket Upper To remove a drawer panel open the drawer and locate the six screws at the bottom Remove the screws then pull the bottom of the drawer panel out slightly while pulling downward To install a new drawer panel on a 427R refer to the Installation Manual If reinstalling the existing panel reverse the steps above Drawer Panel Mounting Bracket Bottom Carbon Platinum and Stainless Steel Door Panel Removal and Installation Model 430 NOTE The models 430G B 430HAG B 430S B 430G P 430HAG P 430S P 430G S 430HAG S and h 430S S are shipped from the factory with decorative Figure 2 19 Model 427R steel panels and handles in place Drawer Panel Removal To remove the stainless steel panel you will need to remove the door from the unit If a door stop has been installed it must also be removed at this time See the DOOR STOP INSTALLATION Model 430 section in this manual
17. 004 NO NAHM NO ACMY3aAO SLHOIT 4d Mov 1g 3rria 3univsadWalSs3sN3s Y3ddN vd 51009 GIONG IOS Mov Ig anig 535335 LANISVO d AldW3 6d 1 595335 JI3NISVO H3MOT1 SLIHM Qydvog OLNI TVH1O03N TVHIOSN Old 1 S3SN3S I3NISVO H3MOT1 bd AldW3 SLINDYID H3ISIWHSHL er eid er IHWAVSO SAJVIV 3INOH NOWWOO LINDYID WHY TY d 3 Yig LHM 035010 ATIVNYON LINDYID WV NMO38 SLHSIT1SH3MOd SLHOM 3 N3dO ATIVWHON LINDYID JLInoadlD Wav TV bd Ef AVES Movi HOSS3HdWOO S33MOd OLNI H3MOd HOSSdHdWOD NI J3MOd E CS ti amp Schema iagrams ring D i SLINDYID ADVLIOA MOT NOLLdIMOS3G LINDAID SLINDYID LIOA 021 NOLLONDH NOLLdIMOS3G AYVININS GUYVOd 1O0ULNOD 521435 007 NOILONNSA 4 WARNING This wiring information is provided for use by qualified service personnel only Failure to observe the above warnings may r
18. 6 39 Model 427 Prior to Serial 1944319 10 6 Model 427 Starting with Serial 1944319 10 8 Model 427R Wine Prior to Serial 1944319 10 10 Model 427R Wine Starting with Serial 1944319 10 12 Model 427R Refrig Prior to Serial 1944319 10 14 Model 427R Refrig Starting w Serial 1944319 10 16 Model 430 Prior to Serial 41944319 10 18 Model 430 Starting with Serial 1944319 10 20 1 5 General Information 400 Series Feve z noy WARRANTY INFORMATION This page contains a summary of the 2 5 amp 12 Year Warranty that is supplied with every 400 Series unit This is followed by a summary of the two special war ranties The Non Residential Warranty which applies to units installed in non residential applications and the Display Model Home Warranty which applies to distribu tor or dealers display units and units in model homes sold three years after date of manufacture The last entries on this page are details and notes about the warranties TWO FIVE amp TWELVE YEAR Warranty Summary Two year TOTAL PRODUCT warranty parts and labor Five Year SEALED SYSTEM warranty parts and labor Sixth through Twelfth year LIMITED SEALED SYS TEM warranty sealed system parts only ONE amp FIVE YEAR Non Residential Warranty Summary Example Office Boat etc O
19. Thermistor Evaporator Figure 6 57 427R Refrigerator Evaporator Thermistor trical leads and rubber grommet from the slot in the evaporator cover You will find a ground wire riveted to the back of the evaporator cover The other end of the ground wire has a screw securing it to the rear wall Extract the ground screw and continue rotate the side of the evaporator cover farthest from the false wall out until the flange behind the false wall clears the false wall Pull the evaporator cover out Pull the fan blade from the fan motor shaft Extract the screw from the P clamp holding the fan wires Then remove the four screws from the fan bracket and disconnect the fan motor electrical leads FE zerod 400 Series Component Access and Removal Refrigerator Section Evaporator Fan Assembly Access and Removal Model 427R ONLY The refrigerator evaporator fan assembly is attached to the rear wall of the compartment with four Phillips head screws See Figure 6 58 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove the refrigerator evaporator fan assembly you must first remove the evaporator fan cover mounting screws and the evaporator fan cover Extract the grounding screw towards the top right and remove both Reed switches Pull the top of the evapo rator cover forward and down and lift off of pegs at bot tom Pull the fan blade from the fan motor shaft Extract the screw from the P cla
20. service ett ow service Ts service s _ service Ts _ eeurow service ett on service sz on s _ eet ow z service eet on service _ eet on 7 service s eeu ow service on service o asr ow service e _ ett ow service eet ow service eet on service Pe _ service ett on service eet ow service s azu on service _____ service ett on service Ds _ service on service Pe _ service _ ett on service L emrowsewc _ ett ow service sz ow service s on service De sz ow service s service _ eeurow service 2 ett on sevice Pa _ eeurow service s ett on service Dae erowzsewce 5 _ service _______ service s _ ett on service Daf _ eeurow service s on service sr ow service eetrow service ow service Pa _ eetrow service 5 service eet on service eet on service eeu ow service on service Cx a ow service _ eet ow service Da eet ow servi
21. N 5 WHITE HEATSHRINK HEATSHRINK ing wi LLI E rz D g m XO O LIGHT TUBE CONDENSER FAN MOTOR SENSOR UPPER COMPARTMENT MOTOR LOWER FAN SENSOR LOWER COMPARTMENT MULLION HEATER POWER SUPPLY CORD vaman zova mama ans SUHM I Y3ddN INAWLYVdNOS H3MOT1 DRAWER DIAGRAM NT 10 12 Jevs zerod 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC J AWARNING MODEL 427R WINE i wig mn poi be Disconnect appliance from electrical supply before Starting with Serial 1944319 ia service is complete Failure to observe the above warnings may result in severe electrical shock HIGH VOLTAGE 115 VOLTS 60 CYCLES LIGHTS BROWN CN ORANGE e MN UPPER COOLING FANS LOWER SOLENOID LOWER 295 OHMS e 0000000 SOLENOID UPPER 295 OHMS WHITE PURPLE TO MULLION HEATER CONDENSER FAN 0 COMPRESSOR BROWN STARTING RELAY
22. Starting with serial 1944319 a second fan switch was added to 400 series units Both fan switches are in parallel circuits with the corresponding refrigerant valve solenoid When a solenoid is energized the corresponding evapo rator fan switch is energized cycling the fans on and off with the solenoids If neither compartment is calling for cooling the compressor and condenser fan are switched off The illustration below shows normal operation with the upper compartment calling for cooling See Figure 3 15 NOTE Starting with serial 1944319 a condenser fan relay was added to the model 427R so that the the condens er fan will only run when one or both of the compressors are energized Not shown in this illustration NEUT 115 VOLTS 60 CYCLES UPPER EVAPORATOR FAN MOTORS oooooooo 295 OHMS WINE CONTROL BOARD 0000000 SOLENOID UPPER 295 OHMS M CONDENSER FAN MOTOR COMPRESSOR STARTING RELAY OVERLOAD PROTECTOR M COMPRESSOR B LOW VOLTAGE THERMISTER 4 BLUE WYELLOW UPPER EVAPORATOR ORANGE W YELLOW Sensing temperatures above Cut in Figure 3 15 Compressor Condenser Fan Refrigerant Valve Solenoid am
23. Figure 3 27 Warm Temperature Alarm with BELL ON Feature Enabled SERVICE and BELL ON Flashing with Audible Alarm Beeping Figure 3 28 Clear Warm Temperature Alarm Press UNIT ON OFF Key to Off Then ON 3 16 FEv zerof 400 Series Electronic Control System Information Cold Temperature Alarm A cold temperature alarm occurs if either wine storage compartment goes below 38 F 3 C and remains below 38 F 3 C for too long During a cold temperature alarm you may notice cold temperature readings displayed at the control panel if recently initiated and the SERVICE annunciator will flash See Figure 3 29 A cold tempera ture alarm will also cut power to the compressor condenser fan both refrigerant valves the lights and the evapora tor fans via the relays on the control board If the BELL ON feature has been enabled by pressing the bell key on the control panel the BELL ON annunciator will also flash and the audible alarm will beep See Figure 3 30 NOTE To clear the cold temperature alarm press the UNIT ON OFF key to switch the unit Off then press it again to switch the unit back ON See Figure 3 31 WINE STORAGE 4 tj Ee BEEP BEEP Figure 3 30 Cold Temperature Alarm with BELL ON Feature Enabled SERVICE and BELL ON Flashing with Audible Alarm Beeping N Figure 3 31 Clear Cold T
24. LANIGVO H3ddf 51005 3ATVA GION3 IOS MOV grana 595335 LANIGVO AldW3 3LIHW3n19 535335 LANISVO Y3MO1 Q8VOS OLNI TMLOSN 31LIHMAN 18 33 n1V 13dW31 S3SN3S 13NISVO YAMO1 AldW3 SLIQYOMIO S3ISIASSHL Saga a c a a GNNOYS Hiuv3 QNnoa9 IHAVAVHO SWHV IV NadO LINOYIO Wal TV 30 18 LHM SWI IV 404 O3SO010 A TIVAON LIDOSIO IASV TV No 5 SYSMOd SLHONT G38 LHM SWHV IV SWOH N3dO A TIVINHON LIDOSIO Wav v AVHO NOSSHHdWOOD SH3MOd HOSSHHdlWO5 Wav TV 3 MOVIS OLNI SH MOd NI 43MOd SLINOYID MOT SLINDYIO 01 NOILONN 4 3 LINDYID NOILONN4 NOlldld9S3G LINDYID LNOAVI AYVINNIAS GYVO d TOHLNOO S3ls3s 007 th Serial 1944319 Co st LLI 2 ing wi lt D lt C 2 x Start PART NUMBER 3757520 REV A UPPER SOLENOID AN3IALLHVdINOO IN3IALLHVdWOO LIGHT SWITCH FAN SWITCH UPPER TESTER
25. MEMBRANE SWITCH LOWER CABINET THERMISTER 2 UPPER CABINET THERMISTER 3 LOWER EVAPORATOR BLUE W WHITE BLUE W WHITE BLUE W BLACK BLUE W BLACK BLUE WI RED HERMISTER 4 ORANGE W RED BLUE WI YELLOW UPPER EVAPORATOR ORANGE W YELLOW DISPLAY WHITE WI RED WHITE BLUE GRAY W WHITE WINE CONTROL BOARD nunnnoaonnnmgmmgmg 10 19 CS ti iagrams amp Schema D ring 4A WARNING This wiring information is provided for use by qualified service personnel only Failure to observe the above warnings may result in Be sure all grounding devices are connected when severe electrical shock Disconnect appliance from electrical supply before service is complete beginning service TISA H9NVHO dunivsdWal SASNAS WHO1VHOdVA3 Alda AOTI3A3n19 dunivsdwa3l SASNAS WOIVHOdVA3 MOTI3A SNVd HO1VSHOdVA3 SH3MOd SNV3 GQ3H J9NVHO dunirvsdWal SASNAS WHO1VHOdVA3 H3MOT anig INAWLYVdNOO YJMO1 S1009 3A TVA GIONG IOS H3MOT GQ3z3 30n18 dunivsdW3l SASN3S WHO1VHOdVA3 H3MOT SONVYO 00 NO SLH9T1N3HM NO SLHOIT MOV Igrana dunivsdWal SASNAS
26. RED ORANGE OVERLOAD PROTECTOR COMPRESSOR STARTING RELAY M DPDT RELAY NEUTRAL WHITE nS i COMPRESSOR PURPLE M EVAPORATOR FAN MOTOR WINE DRAWER LIGHTS x BLACK 07 LOWER DRAWER LIGHTS NM BLUE W BLACK BLUE W YELLOW BLUE W BLACK THERMISTER CABINET DRAWER CONTROL THERMISTORS REFRIGERATOR CONTROL BOARD REMOTE DISPLAY BLACK WHITE W RED WHITE BLUE W YELLOW THERMISTER EVAPORATOR RED YELLOW WHITE W RED ORANGE C DOOR SWITCH NS TOP DRAWER DOOR SWITCH WN BOTTOM DRAWER BLUE 10 17 8 Add 9899 6 YASWNN LYVd TISA 39NVHO Juni viddW3l S3SN3S WO1VHOdVA3 8d AldW3 td 8 GC3H JONVHO Juni visddWal S3SN3S Juni vHadW3l S3SN3S 1 H3ddfl WHOJVHOdVA3 H3MOT1 2 9 MOTI3A ania SNVJ SH3MOd 1LNSWLYVdWOD 3MO T1S 00D SNVJ HO1V3OdV A3 3ATVA GION3 IOS H3MO T1 Sd 9d qasyanas Juni vHaddWal SASNAS WHOJVHOdVA3 H3MOT Sd 39NVuO
27. Xv18 M THERMISTORS WHITE RED YELLOW ORANGE BLUE WHITE W RED WHITE WI RED WHITE WI RED WHITE WI RED S IOHLNOO U3MVHG P aa IM 3UHM 3 M ALM Xovi8 M 3018 Xovi8 M ama 5 ul lt 5 Y 5 x LL lt i 00 x Q Z gt S gt lt CO lt F lt F O vr Ke z O DOOR SWITCH H3MOT SEE CABINET DIAGRAM ANT LA SEE CABINET DIAGRAM 10 16 Y 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC MODEL 427R REFRIGERATOR Starting with Serial 1944319 HIGH VOLTAGE NEUTRAL WHITE 115 VOLTS 60 CYCLES NEUT 4A WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when service is complete Failure to observe the above warnings may result in severe electrical shock NEUTRAL WHITE My CONDENSER FAN MOTOR P1 ZONE THERMISTORS REFRIGERATOR CONTROL BOARD REMOTE DISPLAY BLACK PURPLE 2000 5
28. eetrow service ow service _______ service s eet on service La eeurow service s _ ett on service _______ service _ eet on service _ eet ow service s BEL on service Pa _ service 5 ow service eerov sewc on service Ta eeurow service on service Pe erow sewc eer ow service Pa emrowsewc e ow service sswrsewee e on 7 service 400 Series Troubleshooting Guides WINE STORAGE DIAGNOSTIC WORKSHEET Temperature Display Lower Upper Set Point Lower Upper Diagnostic Mode Thermistor Readings UE Upper Evap LE Lower Evap UP Upper Cmprt LO Lower Cmprt m x I suovzsmucr z ow 7 emrowzsewce _ ett ow 7 service 3 eet on service x _ 1 on 7 sevice _______ service ett ow service Ts service s _ service Ts _ eeurow service ett on service sz on s _ eet ow z service eet on service _ eet on 7 service s eeu ow service on service o asr ow service e _ ett ow service eet ow service eet on service Pe _ service ett
29. wer FRAME HEATER HOT GAS FILTER DRIER COMPRESSOR Pa DUAL OUTLET N eren REFRIGERANT VALVE UPPER REFRIGERANT VALVE LOWER NOTE ONLY ONE VALVE OPEN AT A TIME Figure 4 3 Refrigerant Valve s Y 24 400 Series Sealed System Information Capillary Tube s Figure 4 4 As the warm liquid refrigerant travels through the capil lary tube the pressure drops cooling the liquid before it enters the evaporator Evaporator s Figure 4 5 The low pressure cooled liquid refrigerant travels through the evaporator absorbing heat from the com partment gradually converting it to a cool gas This cool gas then enters the suction line Suction Line s amp Heat Exchanger s Figure 4 6 The cool gas travels through the suction line which is soldered to the capillary tube These two tubes sol dered together create the heat exchanger As this cool refrigerant gas travels through the suction line it absorbs heat from the warm liquid refrigerant traveling through the capillary tube The lukewarm refrigerant gas then returns to the compressor where the process begins again NOTE There is a suction line T connection in the wine storage sealed system that diverts the two sepa rate suction lines from the evaporators to one suction line that enters the compressor HEATER HOT GAS CAPILLARY TUBE CAPILLARY TUBE 18 FILTER DRIER COMPRE
30. 16 C 90 F 32 C Troubleshooting Guides Door Ajar a Wine Rack Obstruction b Door out of Adjustment c Door or Cabinet Hinge Problem Condenser Air Flow Fan Fault Dirty Condenser Condenser Fan Blade Loose or Obstructed Fan Motor Disconnected or Malfunctioning Defective or disconnected fan relay 427R after serial 1944319 Only Evaporator Fan Circuit Fault Fan Switch es Disconnected or Malfunctioning 427 427R Top Hinge Cover Missing No Power from Control Board Prior to serial 1944319 Only Compressor Fault a Compressor Electricals Disconnected or Malfunctioning b Compressor Inefficient c Compressor Locked Adjust wine rack See Door Adjustment procedure in section 2 of this manual Check hinges Replace if defective Clean condenser Clean if needed Check fan blade Tighten or remove obstruction Check fan motor operation Check fan motor electrical connections back to com pressor Check for 115V AC from com pressor to motor Reconnect or repair wires or replace motor if defective Check electrical connections and power at 427R condenser fan relay Reconnect or replace relay if defective Check fan switch electrical connections Check for 115V AC to and from switch Reconnect or replace switch if defective Replace top hinge cover Check for 115V AC between P5 amp P10 of J3 on control board NOTE make sure unit is not in showroom Mode If no power
31. 24 Hours 112 Hours 200 Hours 28 Hours 116 Hours 204 Hours 32 Hours 120 Hours 5 Days 208 Hours 36 Hours 124 Hours 212 Hours 40 Hours 128 Hours 216 Hours 9 Days 44 Hours 132 Hours 220 Hours 48 Hours 2 Days 136 Hours 224 Hours 52 Hours 140 Hours 228 Hours 56 Hours 144 Hours 6 Days 232 Hours 60 Hours 148 Hours 236 Hours 64 Hours 152 Hours 240 Hours 10 Days 68 Hours 156 Hours 244 Hours 72 Hours 3 Days 160 Hours 248 Hours 76 Hours 164 Hours 252 Hours 80 Hours 168 Hours 7 Days 256 Hours 10 Days 84 Hours 172 Hours 16 Hours 88 Hours 176 Hours COONOaRWHD NOTE The chart above applies to the hours in which the control has power Temperature history data will only be stored when the control has 115V AC supplied to it If power to the unit is interrupted the average temperatures for that time period are stored with the event indicator The temperature history data is stored in a non volatile memory so the data is not erased by a power failure but actual time passage during the power failure will not be shown NOTE Temperature Log Recall Mode is not available for the refrigerator section of the 427R 3 23 Electronic Control System Information 400 Series MODEL 427R REFRIGERATOR ELECTRONIC CONTROL TERMINOLOGY amp COMPONENT DESCRIPTIONS The refrigerator section and the wine storage section of the model 427R use separate and unique electronic control systems Like the wine storage control the re
32. 8x1 1 4 PH FLAT TAP Screw 8 18 x 5 8 PH PN SS Gnd Screw 8 x 1 3 4 Flat PH HD Screw 8X1 3 4 Fit Ph Hd B Louvered Grille Assembly 30 x 11 Panel Grille Assembly 30 x 11 SS Grille 30 x 11 See SN Breaks SS Grille 30X11 CLSC See SN Breaks SS Grille 30X11 Carbon SS Grille 30X11 Platinum Grille Spring Grille Hook Name Plate Approx 1 1 4X3 w Pegs Name Plate Appr 1 1 4 X3 Stick on Nameplate B P Spring Grip Nut 1 8 Tinnerman J Clip 44 45 46 47 49 50 51 52 53 55 56 57 58 59 60 61 63 64 65 7 30 2229626 2229910 2234028 3517051 3517054 2229627 2229920 2234029 3517052 3517055 4120580 4120860 4120861 4120862 2229602 2234006 3517006 3517031 2229603 2234004 3517004 3517029 4120590 4120870 4120871 4120872 6200010 6200070 2210701 6200070 6200071 3420670 3420760 6201060 0169050 6200010 3550190 6150200 6150201 0200990 0200980 3511720 6200720 4281250 4281100 6201430 6240070 6240071 Frame Main Top 30 RH See SN Breaks Frame Mn Top 30 RH See SN Breaks Frame Main Top 30 RH See SN Breaks Frame Main Top 30 RH B Frame Main Top 30 RH P Frame Main Top 30 LH See SN Breaks Frame Main Top 30 LH See SN Breaks Frame Main Top 30 LH See SN Breaks Frame Main Top 30 LH B Frame Main Top 30 LH P Main Frame Assy Right RH See SN Breaks Frame Assy Main
33. Figure 6 2 Door Closer Removal 6 3 Component Access and Removal 400 Series gt Door Removal Model 424 To remove the door you will need to pull the unit Door Hinge Screw approximately 6 out of the rough in opening and 3 remove the door closer first See TIPPING WARNING at beginning of this section NOTE If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installation See Figures 2 2 If the brackets were not used shims may have been wedged along the sides and top After removing the door closer open the door and extract the two screws from the top door hinge See figure 6 3 Lean the door away from the unit slightly and lift the door out of the bottom cabinet hinge Light and Fan Switch access and Removal Model 424 The light and fan switches are attached to a switch bracket and covered by a switch guard The switch bracket and guard are held in place by two Phillips head screws that pass up through holes in the switch bracket and slots in the switch guard on the backside NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove a fan or light switch extract the two phillips head screws on the backside of the switch bracket using an offset Phillips screwdriver See Figure 6 4 Pull the switch guard and bracket forward Disconnect the electrical leads from the switch being removed Depress the
34. LNAWLYVdNOS H3MOT1 C E RED E 0 J LIGHT SWITCH FAN SWITCH UPPER FAN LIGHT TUBE ORANGE W YELLOW BLUE W YELLOW SENSOR UPPER EVAP G3H M L M Z SHRINK ZZ HEAT HEATSHRINK TALHM M Jova M 38 OWT M v ZALM ane SENSOR LOWER EVAP L Z MOTIBA IM 3018 5 manta SSS Ss EY MOTBAM 3018 MOTI IM 9 JM 3 NVHO HEATSHRINK MOTZA M3ONVHO t T 038 JM Zana MSM MOTAS 3IIHM IM AVES sama WINE CONTROL BOARD OF SH ZLNSHHS TESTER SOLENOID jl SENSOR UPPER COMPARTMENT LIGHT TUBE Xovi8 M ana BONVEO UHM HEATSHRINK HEATSHRINK MOTOR LOWER FAN HEATSHRINK SENSOR LOWER COMPARTMENT
35. SLHOM SY3MOd SH3MOd OLNI NOILONN 44 WARNING This wiring information is provided for use by qualified service personnel only Failure to observe the above wamings may result in Be sure all grounding devices are connected when severe electrical shock Disconnect appliance from electrical supply before service is complete beginning service LNAWLYVdNOO LNAWLYVdNOO LNAWLYVdNOO SEE DRAWER DIAGRAM ama IMBONVEOZ 7 LOWER EVAP SENSOR SENSOR UPPER EVAP aa Mane L BONVO Z IM MOTIBA IM SONVHO Y HEAT SHRINK TESTER L3LIHW Z ALAMIM ana IM yva v ORANGE W YELLOW BLUE WJ YELLOW HEATSHRINK 5 ama MSONVEO IM MOTIBAIM SONVHO 8 CONNECTS TO DRAWER HARNESS HEAT SHRINK UPPER FAN SOLENOID LOSS AHM Tana MSIHM SLIHM 7M AVES ALARM MOTBAS sama I3ONVHO EN3HHS Z
36. When initiated a temperature will be displayed in one window and an index number will be displayed in the other the order of which will depend on the WARMER key chosen For the example we chose the lower compartment WARMER key See Figure 3 46 The SERVICE annunciator and compartment indicator arrow will illuminate and the first temperature displayed will be for the most recent four hour period indicated by index number 1 J 892 55 EJEJ GJ Figure 3 45 Initiating Wine Storage Temperature Recall Mode Press WARMER Key and UNIT ON OFF Key WINE STORAGE Figure 3 46 First Reading is Latest Average Temperature with Index 1 Displayed Pressing the WARMER key now will toggle to the second four hour temperature average period indicated by index number 2 See Figure 3 47 Toggling through the index can be done by pressing the WARMER key in multiple key strokes a maximum of sixty four times See Figure 3 48 m 54 BELL ON 2 A 2 SERVICE Figure 3 48 Toggle to 64th Index and Average Temperature Reading Press WARMER Key in Multiple Key Strokes 3 21 Electronic Control System Information 400 Series gt You can also toggle backwards from index 64 to 1 or anywhere in the index sequence by pressing the COLD ER key in multiple key strokes See Figure 3 49 31 see oe DO BELL WINE STORAGE VARMER E 53 P Figure 3 49 Toggle backwa
37. 115 VOLTS NEUTRAL WHITE 60 CYCLES NEUTRAL WHITE H M fes P1 i ZONE EX THERMISTORS REFRIGERATOR CONTROL BOARD OVERLOAD COMPRESSOR STARTING RELAY C M COMPRESSOR N EVAPORATOR FAN MOTOR M NEUT DISPLAY Evaporator fan energized to assist with off cycle defrost Evaporator temperature below 40 F 4 C NEUTRAL WHITE BLUE W BLACK BLUE W YELLOW Lan BLUE W BLACK BLUE W YELLOW A ve THERMISTER THERMISTER CABINET p s Calling for cooling ZONE THERMISTORS REFRIGERATOR CONTROL BOARD j pu CONTROL DOOR SWITCH BOTTOM DRAWER Both drawers closed WHITE W RED WHITE W RED Figure 3 67 Cooling is Called for but Evaporator Temperature is Below 40 F 4 C Compressor Waits for Evaporator to Fully Defrost 3 34 400 Series Electronic Control System Information UNIQUE 427R REFRIGERATOR ELECTRONIC CONTROL INPUT OPERATIONS This section illustrates unique 427R refrigerator electronic control input operations performed at the control panel which you would not expect a customer to perform everyday This section explains the Temperature Units Selection Mode Sabbath Mode and Showroom
38. 30000 33000 Technical Data Notes 400 Series Esus ze od 9 6 Feus zerod 400 Series Wiring Diagrams amp Schematics SECTION 10 WIRING DIAGRAMS amp SCHEMATICS NOTE Due to our continuous improvement program it is recommended to always use the wiring diagram amp schematic supplied with the unit located in the envelope in the compressor area This section is for referencing prior to servicing or if the wiring diagram amp schematic are missing from the unit CS ti amp Schema ing Diagrams i 4a WARNING This wiring information is provided for use by qualified service personnel only lt lt C ce Disconnect appliance from electrical supply before beginning service st e Op Qo G QO Be sure all grounding devices are connected when service is complete Failure to observe the above warnings may result in severe electrical shock O ed 09 96 H38lAIIN TI3A HSNVHO JunivesadiWal SASNAS WOLIVHOdVA3 H3ddfl 8d td MOTIAN Q38 39NVHO SYNLVeAdWAL SASNAS JunivsadWal S3SN3S HOIVHOdVA3 4d MOTT3A SNVJ HOL1VHOdV 3 SH3MOd SNV43 HO1VHOdVA3 Sd WOJVHOdV A3 H3MOT 9d 3718 51005 GION31OS H3MO1 9d JunivesdWal S3SN3S WOJVHOdV A3 H3MOT Sd dONVHO 004 NO SLHOM NAHM NO 3GIS3AO SLHOI 1 4d Mov 1g 3ng Ju
39. Adjusting Wine Storage Set Points 3 6 Regulate Refrigerator Compressor Cycling Wine Storage Lighting System ON OFF 3 6 Prior to Serial 1944319 3 32 Wine Storage Alarm Bell ON OFF 3 6 Regulate Refrigerator Compressor Cycling Starting with Serial 1944319 3 33 Refrigerator Defrost 3 34 1 3 400 Series Feve z noy General Information Page Unique 427R Refrigerator Electronic Control Input Operations see 3 35 Temperature Units Selection mode 3 35 Sabbath Mode assesses 3 36 Showroom Mode sse 3 36 Refrigerator Thermistor Malfunction Error Indicators 3 37 Electronic Communication Error Indicators 3 37 Model 427R Diagnostic Mode 3 38 Section 4 Sealed System Information HFC 134a Refrigerant Service Information 4 2 General Rules for Working w 134a 4 2 Wine Storage Sealed System Repair Procedures for 134a 4 3 Sealed System Operation 4 4 The Sub Zero Wine storage Sealed System Components and Their Role 4 4 The Sub Zero Model 427R Refrigerat
40. Evaporator Support 6 35 427R Refrigerator Sealed System Repair Model 430 Interior Mechanical Component Procedures NOTE tette 8 16 Access amp Removal 6 36 Wine Storage Sealed System Repair procedures 8 17 Control Board aaa 6 36 Wine Storage Membrane Switch Ribbon Control Panel Assembly es 6 36 Cable Test Procedure issa 8 18 Lower Light SUID s n oam 6 37 Compartment Thermistor 6 37 Section 9 Technical Data Tables Evaporator Thermistor sss 6 37 Model 424 Technical Data Table 9 2 Evaporator Fan Assembly a 6 38 Model 427 Technical Data Table 9 3 Model 430 Sealed System Component Model 427R Technical Data Table 9 4 Access amp Removal seen 6 38 Model 430 Technical Data Table 9 5 Evaporator Assembly 6 38 Refrigerant Valve sissssissssissapassasasaapasass 6 39 Section 10 Wiring Diagrams amp Schematics Filter Diler i aT dete 6 39 Model 424 Prior to Serial 1944319 10 2 CORDI eSSOF 6 39 Model 424 Starting with Serial 1944319 10 4 Cond6enset
41. LWR Wine Included w Valve Sol Components Light Switch Normally 1 Fan Switch Normally Open 1 or 2 Bracket Switch Mnt See SN Breaks Bracket Switch Mnt See SN Breaks Screw 8 32 x 1 2 Flat Head Screw 8 x 1 Type AR Flat Screw Spacer Bracket Cond Fan Wine Screw 8 32 x 3 8 Slotted Hex T25 7 16 6201280 6240350 6150330 0169340 4202000 N A N A 3421500 3570060 0169260 0261710 0261720 6200010 6201140 6200780 4324800 3541031 3541032 3220250 3520120 3541050 3541031 3541032 3021920 Machine Screw 10 32 x 1 1 4 Fender Washer 25x1 25x 06 Well Nut 75D x 804 10 32 Fan Shroud Condenser Rear Leveler Assembly Rear leveler Foot See 4202000 Leveler Assy Rear See 4202000 Adjusting Rod Front Leveler Bolt Switch Enclosure See SN Breaks Box Switch RH See SN Breaks Box Switch LH See SN Breaks Fan Shroud Condenser Screw 1 4 20 x 1 2 Sems But HD Screw 10 24 x 1 2 PH Hex Washer Retractor Assy Power Cord Top Hinge Assy RH Used at Bottom on LH Units Top Hinge Assy LH Used at Bottom on RH Units Grommet Rubber M5351 Brass Insert Fan Bracket Hinge Cover Top Hinge Assy RH Used at Bottom on LH Units Top Hinge Assy LH Used at Bottom on RH Units Not Pictured Wire Harness Cabinet Views Parts Lists amp Exploded les 400 Ser SUB ZERO A A Ne 4 movie eee e ea E k VA ER RE RE RENS vh E ESS
42. Light Strip 15 WATT Screw 8 18 x 5 8 PH PN SS Gnd Screw 8 x 1 3 4 Flat PH HD Cover Evap Fan Screw 8 15 x 2 Pan Head Evap Cover UPR LH UNIT Evap Cover UPR RH UNIT Rack Assy Display Wine Pop Rivet 1 8 Ground Wire Assy Screw 8 18 x 5 8 PH PN SS Gnd Panel Srvc Access See SN Breaks Pnl Assy Srvc Acc See SN Breaks Screw 8 18 x 1 2 PH Truss HD Wine Rack Assembly Screw Molding Wood Wine Rack Control Panel Pkg SRVC 427 Kickplate Grille RH Kickplate Grille LH Screw 10 12 x 1 2 Pan HD Pan Drain Screw 8 18 x 1 2 PH Truss HD Cabinet Slide RH Cabinet Slide LH Slide Spacer Evap Cover LWR LH UNIT Evap Cover LWR RH UNIT 7 14 26 3516451 3516680 3516452 3516680 3516010 3516010 3520120 6200130 6201230 3511710 6201230 0169160 6201240 6201270 3421510 6200010 0169290 6200010 3450920 3450980 6200210 0169260 0261710 0261720 0169400 3570060 4202000 N A N A 3421500 6201430 Molding Top RH See SN Breaks Molding Top RH See SN Breaks Molding Top LH See SN Breaks Molding Top LH See SN Breaks Side Molding Side Molding Brass Insert Screw 8 18 x 3 4 Truss HD Screw 8 x 7 8 w a 7 PH FT Head Housing Lower Light Screw 8 x 7 8 w a 7 PH FT Head Duct Back Screw 8 1 3 8 w a 7 PH FT Hd Screw 8 18 x 5 8 PH PN SS Gnd Bracket Unit to Cabinetry Screw 10 12 x 3 4 Pan HD Raceway Wire Screw 10 12 x 3 4 Pan HD Bracke
43. Removal Model 427R ONLY The refrigerator control panel assembly is attached to the inside of the top drawer with three screws NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To remove the refrigerator control panel assembly extract the three screws and tilt the control panel back towards the drawer tub See Figure 6 53 Now dis connect the power supply to the control panel assembly and lift the control panel assembly up and out Do not break concealed tab Figure 6 51 Wine Storage Control Panel Assembly Refrigerator Control Panel Assembly Figure 6 53 Refrigerator Control Panel Assembly 6 24 Jews zenog 400 Series Component Access and Removal Wine Storage Compartment Thermistors Access and Removal Models 427 amp 427R The upper and lower wine compartment thermistors are attached to the wall of both compartments with Phillips head screws and the electrical leads of the thermistors are routed through notches in the side of the evaporator covers and guarded by a wire grommets See Figure 6 54 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To remove a compartment thermistor you must first remove the wine racks in the appropriate compartment Then remove the screw from the compartment thermis tor Remove the evaporator fan cover mounting screws and the evaporator fan cover Remove the mounting screws towards the bottom of t
44. See Figure 3 12 Starting with serial 1944319 a second fan switch was added to 400 series units Both fan switches are in parallel circuits with the corresponding refrigerant valve solenoid When a solenoid is energized the corresponding evapo rator fan switch is energized cycling the fans on and off with the solenoids The evaporator fans will also be switched off when the door is open or the unit is in Showroom Mode See Figure 3 13 NOTE Prior to serial 1517005 the evaporator fans will run 100 even while unit is in Showroom Mode L1 NEUT 115 VOLTS 60 CYCLES EVAPORATOR wy BOE FAN SWITCH WM veuow i EVAPORATOR FAN MOTORS fm w 9 UPPER J1 N LOWER Dooooooo Omoooogoooo Figure 3 12 Evaporator Fan Power Signal Trace Prior to Serial 1944319 L1 NEUT 115 VOLTS 60 CYCLES UPPER Dooooooo EVAPORATOR FAN MOTORS LOWER 0000000 SOLENOID LOWER 295 OHMS 0000000 SOLENOID UPPER 295 OHMS 0 0 Figure 3 13 Evaporator Fan Power Signal Trace Starting with Serial 1944319 monpo9onooooo 3 9 Electronic Control System Information
45. Separate the unit tray from the cabinet by leaning the cabinet to the right then insert a spacer between the cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Cut the filter drier outlet ports leading to both refrigerant valves and the filter drier inlet tube coming from the condenser Component Access and Removal 400 Series gt Compressor Access and Removal Model 424 The compressor is located at the back of the unit tray Compressor See Figure 6 26 After evacuating the refrigerant from the sealed system begin the access and removal procedure by removing the access panel from the bottom back of the unit Remove the door closer See DOOR CLOSER WARN ING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the left side and loosen the four screws on the right side Separate the unit tray from the cabinet by leaning the cabinet to the right then insert a spacer between the Grommet cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Disconnect the compres Washer sor electricals from the compressor Remove the four mS u i Ne nuts from the compressor mounting studs Cut the SUC SS A tion tube and discharge tube approximately 1 1 2 from ERE the compressor and lift the compressor off of the mounting studs Condenser Access and Removal Model 424 The condenser is located at the front right of the uni
46. To SERVICE Alone Flashing icsi i entree Panne sie sie ee e REO EE Re Fete eere Pe recente eee ere cue udo ce tie qasapas 8 14 NOTE Before serial 1728753 the Drawer Location Annunciators will flash U Product Temperature in Refrigerator 10 or More Colder than Displayed Temperature 8 14 V Cold Temperature Displayed in Refrigerator Compartment pp 8 14 W 1 Extremely Cold Temperatures Displayed in Refrigerator 1 to 7 8 15 2 If Outside US this could be Extremely Warm Temp s Displayed in Refrig 34 to 45 X Lights Stay on with Drawer Closed pp 8 15 Y Lights Will Not Energize 8 15 Z Control Panel Keys amp or LCD Inoperable or Malfunctioning sss 8 15 D WEBICVISCQEARUNDMUnE DEM nmt 8 15 400 Series Feve z noy PROBLEM POSSIBLE CAUSE TEST ACTION BOTH WINE STORAGE COMPARTMENTS Unit in Showroom Mode Adjust set points colder and listen for com pressor amp condenser fan operation If they do not run switch unit OFF then press and hold upper compartment COLDER amp WARMER keys while pressing UNIT ON OFF key Unit Recently Energized Allow time for unit to pull down Unit Recently Stocked with Wine Instruct customer High Room Ambient Instruct Customer that unit performs best between 60 F
47. WARMER A ON OFF Figure 3 77 Communication Error Between 427R Refrigerator Control Board and Control Panel EO Displayed REFRIGERATOR COLDER WARMER ON OFF UNIT ON OFF Figure 3 78 Communication Error Between 427R Refrigerator Control Board and Control Panel E3 Displayed 3 37 Electronic Control System Information 400 Series gt MODEL 427R REFRIGERATOR DIAGNOSTIC MODE The Diagnostic Mode was incorporated into the 427R refrigerator electronic control system to assist in diagnosing problems in the 427R refrigerator section When in Diagnostic Mode the real time thermistor temperatures are shown in the display window of the control panel without off set adjustments To initiate Diagnostic Mode in the 427R refrigerator section the refrigerator section must be ON Now press and hold the COLDER key and press the UNIT ON OFF key then release both keys The unit is now in Diagnostic Mode and the left temperature display area shows the real time temperature of the first thermistor being read The left temperature display area shows a code which indicates the location of the thermistor in this case the letter r indicates the refrigerator compartment temperature is being observed See Figure 3 79 Prior to serial 1728753 press UNIT ON OFF key now to Identify thermistor location Pressing the COLDER key will toggle to the evaporator temperature reading t
48. between P5 amp P10 replace board Check integrity of compressor electricals Check continuity back to control board Check for 115V AC between P10 of J3 and E2 on control board Correct wiring problems or replace compressor electri cals if defective If no power between J3 and E2 replace control board Check AMP draw on compressor If high by 15 or more replace compressor Check AMP draw on compressor If extremely high replace compressor SEE SEALED SYSTEM DIAGNOSTIC INFORMATION FOLLOWING THIS GENER AL TROUBLESHOOTING GUIDE Sealed System Leak or Restriction E zerod 400 Series PROBLEM POSSIBLE CAUSE TEST ACTION B WARM TEMPERATURE IN Control Set Too Warm Check set points Adjust set points COLDER ONLY ONE WINE STORAGE COMPARTMENT Unit Recently Energized Allow time for unit to pull down Unit Recently Stocked with Wine Instruct customer Instruct Customer that unit performs best between 60 F 16 C 90 F 32 C Adjust wine rack See Door Adjustment procedure in section 2 of this manual Check hinges Replace if defective Troubleshooting Guides High Room Ambient Door Ajar a Wine Rack Obstruction b Door out of Adjustment c Door or Cabinet Hinge Problem Evaporator Thermistor Fault Initiate Diagnostic Mode If EE is displayed for either evap temp check thermistor electri cal connections back to control board Correct wiring problems If wiring is OK verify thermistor
49. eer ow service Da eet ow service e service sowrsewee e ett on 7 service 400 Series Troubleshooting Guides GENERAL TROUBLESHOOTING GUIDE The alphabetical list below indicates how the General Troubleshooting Guide is arranged Letters A through P pertain to the wine storage units letters Q through AA pertain to the 427R Refrigerator section only If servicing a 400 Series unit for temperature problems it is recommended that a Wine Storage Diagnostic Worksheet be completed before referencing this General Troubleshooting Guide See Page 8 2 The information gathered on this worksheet will assist in narrowing the search for the cause of suspected temperature problems NOTE The diagnostic worksheet does not apply to temperature problems in the refrigerator section of a 427R See Q through BB below NOTE All key strokes necessary to help in diagnosing a problem in a 400 Series unit are explained in section 3 of this manual Wine Storage PAGE A Warm Temperature in Both Wine Storage Compartment pp 8 8 B Warm Temperature in Only One Wine Storage Compartment pp 8 9 C Product Temperature Is 10 or More Colder than Displayed Temperature ppp 8 10 D Cold Temperatures in Both Wine Storage Compartments pp 8 10 E Cold Temperatures in Only One Wine Storage Compartment pp 8 11 1 Extremely Cold Temperatures Displayed 3 to 18
50. et OVERLOAD 63 M COMPRESSOR DPDT RELAY gmugogmomnnnnn THERMISTER 1 Cans LOWER CABINET MEMBRANE SWITCH THERMISTER 2 UPPER CABINET THERMISTER 3 LOWER EVAPORATOR BLUE W WHITE BLUE W WHITE BLUE W BLACK BLUE W BLACK BLUE W RED ORANGE W RED BLUE W YELLOW ORANGE W YELLOW THERMISTER 4 UPPER EVAPORATOR DISPLAY WHITE WI RED WHITE W BLUE GRAY WI WHITE WINE CONTROL BOARD 10 13 31dtund HOSSHHdWOOD SH3MOd HOSSdHdWOO tld anda Q3SN LON Crd Old MOTI3A qas SNVJ SHH3MOd HOJ1VHOdV 43 6d qaas Q3Sn LON 8d 31IHM Qquvos AVIdSid Qquvos AvTdsid 3ONVHO S1H9I1S33MOd 021 51 911 MOTI3A M 3018 11 SYN LVYeAdWAL SASNAS YOLVYOdWAS MOVIE Qyvog OLNI H3MOd SLL LOH 11 9d MOTI3AM 3n18 11 dunivuadWal SASNAS WHOlVHOdVA3 SLIHM OLNI TVH LOSN SLL WYLNAN 21 Sd MOv1g M 11 Sunivua3dWal SA
51. ge a Y 4 S E und J ON OFF inae Pin 1 at top Ribbon Cable Exposed points pins on back side of housing Figure 8 1 Membrane Switch 8 18 400 Series Technical Data SECTION 9 TECHNICAL DATA Technical Data 400 Series Feve zenoy MODEL 424 TECHNICAL DATA TABLE REFRIGERANT CHARGE R 134a Refrigerant NORMAL SYSTEM OPERATING PRESSURES NOTE These pressure readings are for verification purposes only The only time pressures should be checked is if a sealed system problem is suspected after trouble shooting through the control panel LOW SIDE PRESSURES 8 psi to 38 psi HIGH SIDE PRESSURE 90 psi to 100 psi COMPRESSOR SERVICE PART NUMBER 4201880 MANUFACTURER Embraco MFG PART NUMBER EMI30HER SERVICE COMPRESSOR AMPS 0 9 SERVICE COMPRESSOR BTU s 280 DEFROST METHOD Off Cycle Defrost Evaporator s gt 39 F 4 to 66 F 19 C depending on set point before calling for cooling REFRIGERANT SOLENOID VALVES SERVICE PART NUMBER 4290350 WATTS 7 5 AMPS 0 1 OHMS 160 360 EVAPORATOR FAN MOTORS SERVICE PART NUMBER 3150680 WATTS 6 5 AMPS 0 1 OHMS 55 THERMISTORS SERVICE PART NUMBER 3014350 OHMS at 32 F 0 C 30000 33000 400 Series Technical Data MODEL 427 TECHNICAL DATA TABLE REFRIGERANT CHARGE R 134a Refrigerant NORMAL SYSTEM OPERATING PRESSURES NOTE These pressure readings are for verification pur
52. o Parts Lists amp Exploded Views 400 Series Feus zeroy 427 DOOR VIEW PARTS LIST 1 4132741 Glass Door Assy RH Does Not Include Hinges or Handle 4132742 Glass Door Assy LH Does Not Include Hinges or Handle 4134381 Door Assy High Altitude 427 G RH 4134382 Door Assy High Altitude 427 G LH 4133001 Door Assy Solid RH Does Not Include Hinges or Handle 4133002 Door Assy Solid LH Does Not Include Hinges or Handle 3212030 Seal Center 6201360 Screw 4 x 3 4 PH PAN HD TYPE A 6230970 Black Poly 3211960 Gasket Door 2813201 Holder Compression Gasket 24 4 NOTE Door panels on this model a sales accessory For part numbers of complete door panel sets or components of the door panel sets contact the factory 7 12 400 Series Parts Lists amp Exploded Views 427 DOOR VIEW 1 Complete Door Assembly Parts Lists amp Exploded Views 400 Series Feve z rcy 1 3511680 2 3030150 3 6201270 4 6201310 5 0212340 6 6201010 7 0201090 0201100 8 4181770 9 6180010 10 4323860 11 6201270 12 0184410 4152220 13 6200720 14 4181730 15 6201420 16 3516530 17 4203110 18 3560020 3560030 19 6200050 20 0168880 21 6200720 22 3413551 23 3413552 24 3421830 25 0201030 0201040 427 COSMETIC VIEW PARTS LIST Extrusion Upper Light
53. 0168570 0260710 0168571 0168572 6200050 6200120 0164940 6200210 6201550 3413551 3413552 3421830 0200970 0201010 0201000 6201270 3520120 6200130 6201230 3421820 6201240 0168950 6201060 6201270 6201310 6201311 6LG3011 6PG3011 6SG3011 6SG3011 S 6SG3011 B 6SG3011 P 3450900 3450520 3580230 3580210 3580211 6150140 6150840 430 COSMETIC VIEW PARTS LIST Extrusion Upper Light Light Strip 15 WATT Screw 8 18 x 5 8 PH PN SS Gnd Screw 8 x 1 3 4 Flat PH HD Evaporator Fan cover Screw 8 15 x 2 Pan Head Cover Evaporator Upper Rack Assy Display Wine Pop Rivet 1 8 Ground Wire Assy Screw 8 18 x 5 8 PH PN SS Gnd Panel Srvc Access See SN Breaks Pnl Assy Srvc Acc See SN Breaks Screw 8 18 x 1 2 PH Truss HD Wine Rack Assembly Screw Molding Wood Wine Rack Control Panel Pkg SRVC 430 Kickplate Stainless Steel 430 S Kickplate Solid 430 F 430 O Kickplate Solid 30 B 430 B Kickplate Solid 30 P 430 P Screw 10 12 x 1 2 Pan HD Screw 10 12 x 1 2 Truss HD SS Drain Pan Plastic Screw 8 32 x 1 2 Flat Head Screw 8 18 X 1 2 Low Profile Cabinet Slide RH Cabinet Slide LH Slide Spacer Cover Evaporator Lower Evap Support Lower RH Evap Support Lower LH Screw 8 18 x 5 8 PH PN SS Gnd Brass Insert Screw 8 18 x 3 4 Truss HD Screw 8 x 7 8 w a 7 PH FT Head Slide Support Spacer Screw 8 x 1 3 8 w a 7 PH FT Hd Duct Back Screw
54. 400 Series j Senses Evaporator and Compartment Temperatures to Regulate Refrigerant Valve Activity and Control Compressor and Condenser Fan Cycling Prior to Serial 1944319 The wine storage electronic control senses evaporator and compartment temperatures via thermistors one on each evaporator and one in each compartment The cut in is governed by the temperature of the evaporators and the cut out is governed by the temperature in each compartment The cut in temperature and cut out temperature are based on the compartment set point If a compartment calls for cooling evaporator at cut in temperature the cor responding refrigerant solenoid valve is energized opened allowing refrigerant to flow to the evaporator but the electronic control will allow power to only one valve solenoid at a time When one refrigerant solenoid valve is ener gized open the other is de energized closed If neither compartment is calling for cooling the compressor and con denser fan are switched off The illustration below shows normal operation with the upper compartment calling for cooling See Figure 3 14 NOTE Prior to serial 1944319 the condenser fan in the model 427R runs 100 Not shown in this illustration L1 115 VOLTS 60 CYCLES ooooooo oooooooo WINE CONTROL BOARD 0000000 SOLENOID UPPER 295 Ohms 90900000000 M COND
55. 9 Hinge Cabinet Top Assy Black Hinge Cabinet Top Assy Silver Bolt 10 24 x 1 2 Flat Socket HD N A Spacer hinge 424G O 424S O Bolt 10 24 x 1 2 Flat Socket HD Spacer Hinge 424G O 424S O 7 8 24 3541093 3541094 3541095 3541096 6110540 6110811 3541110 3541112 6200780 3540810 6200330 0862210 6201270 3220160 6200490 6200610 3060030 3060020 0862290 0862390 0862240 0862380 6200060 3220250 3520120 3025160 3220350 6220290 3450810 3021420 3220350 Hinge Door Bottom RH Black Hinge Door Bottom LH Black Hinge Door Bottom RH Silver Hinge Door Bottom LH Silver Bolt 10 24 x 1 2 Flat Skt HD Slvr Bolt 10 24X3 4 Ph Flat Hd B Hinge Cabinet Bottom Black Hinge Cabinet Bottom Silver Screw 10 24 x 1 2 PH Hex Washer Door Closer Screw 8 18 x 3 8 Pan Head Bracket Condenser Fan Motor Screw 428 18 x 5 8 PH PN SS Gnd Grommet 3 16 x 7 16 x 9 32 Screw 8 32 x 3 8 Slotted Hex T25 Screw 6 32 x 3 8 PH Rd Hd Zinc Light Switch Normally Closed Fan Switch Normally Open Brckt Dble Switch See SN Breaks Brckt Trpl Switch See SN Breaks Guard Switch See SN Breaks Guard Switch See SN Breaks Screw 8 32 x 1 2 Pan HD Grommet Rubber ZM5351 Brass Insert Fan Bracket Flat Plg Pwr Crd Also See 4152000 Not Pictured Strain Relief Bushing Stand Off 26 32 Circuit Board Support Not Pictured Wire Harness Cabinet Strain Relief Bushing Views ts amp E
56. All components on the control board are non replaceable If a problem with the control board is iden tified the complete control board must be replaced NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See MODEL 427R REFRIGERATOR CONTROL BOARD LAYOUT SUMMARY TABLE WINE CONTROL BOARD Figure 3 3 Wine Storage Control Board Layout 3 4 WHT RED GRAY WHT BLUE WHITE ORANGE RED ORANGE YELL FOR HOME ALARMS FOR HOME ALARMS SENSES TEMPERATURE SENSES TEMPERATURE SENSES TEMPERATURE SENSES TEMPERATURE FUNCTION DESCRIPTION LOW VOLTAGE CIRCUITS ALARM CIRCUIT ALARM CIRCUIT NORMALLY CLOBED ALARM CIRCUIT NORMALLY OPEN THERMISTER CIRCUITS UPPER EVAPORATOR LOWER CABINET J3 E P J E P2 3 P8 LAYOU BOARD SUMMARY FUNCTION POWER INTO BOARD NEUTRAL INTO BOARD COOLS UPPER COMPARTMENT COOLS LOWER COMPARTMENT POWERS EVAPORATOR FANS POWERS LIGHTS EARTH GROUND 120 VOLT CIRCUITS UPPER SOLENOID VALVE EVAPORATOR FANS CROUND 400 SERIES CONTRO Figure 3 4 Wine Storage Control Board Summary Table FEv zerod 400 Series Electronic Control Sy
57. CONTENTS Page Page Section 1 General Information Functions of the Wine Introd clion osoren a nei 1 2 Storage Electronic Control System 37 Important Safety Information aaa 1 2 Sense and Display Average Technical Assistance essere 1 2 Compartment Temperatures 3 7 Part Ordering Less 1 2 Supply Power to the Lighting System 3 8 Table of Contents 1 3 Supply Power to the Evaporator Fans 39 Warranty Information esses 1 6 Regulate Refrigerant Valve Activity and Model Description u 1 7 Compressor and Condenser Fan Cycling Wine Storage Temperature Range amp Prior to Serial 1944319 3 10 Recommended Wine Storage Serving Temp s 1 9 Regulate Refrigerant Valve Activity and Compressor and Condenser Fan Cycling Starting with Serial 1944319 3 11 Section 2 Installation Information aei Storage Defrost 3 12 Installation Considerations 2 2 Unique Wine Storage Electronic Unit leveling Model 424 sss 2 2 Control Input Operations 3 13 Unit leveling Model 427 427R 2 2 Temperature Units Selection Mode 3 13 Unit leveling Model 430 2 3 Sabbath Mode
58. Complete instructions accompany the part when ordered Door Panel Removal and Installation All Models A WARNING METAL DOOR PANELS MAY HAVE SHARP EDGES WHICH COULD INFLICT SERIOUS PERSONAL INJURY PROTECTIVE GLOVES SHOULD BE WORN WHEN HANDLING PANELS DOOR PANELS MAY BE HEAVY OR UNSTABLE IF THEY WERE TO FALL THEY COULD CAUSE SERI OUS PERSONAL INJURY CARE SHOULD BE TAKEN WHEN HANDLING Carbon Platinum and Stainless Steel Door Panel Removal and Installation Model 424 NOTE Models 424G B 424HAG B 424S B 424G P 424HAG P 4245 4246 5 424HAG S 424S S 424FS G 424FS HAG and 424FS S are are shipped from the factory with decorative steel panels and han dles in place In order to remove the door panel the door will need to be removed from the unit To do this you will need to pull the unit out approximately 6 from the rough in opening to gain access to the door closer 2 5 Figure 2 12 Model 427 427R Door Stop Adjustment Figure 2 13 Model 430 Door Stop Installation Door Closer Figure 2 14 Model 424 Door Closer Installation Information 400 Series Feve z noy NOTE If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installation See Figures 2 2 If the brackets were not used shims may have been wedged along the sides and top Remove the two mounting screws securing the door closer to the side of unit b
59. Evaporator Assy MDL Includes Heat Exchanger 3130510 Evaporator 4 Pass 4251470 Heat Exchanger 21 4211590 Evaporator Assy LWR Includes Heat Exchanger 3130510 Evaporator 4 Pass 4251480 Heat Exchanger 22 6150080 Nut Flat 10 24 23 0140360 Tray Unit 7 26 Views Parts Lists amp Exploded les 400 Ser SUB ZERO gt o gt o a lt o x N Parts Lists amp Exploded Views 400 Series Eee zssed 430 DOOR VIEW PARTS LIST 1 4134240 Door Assy SRVC 430G F amp O RH Does not include hinges or handle 4134250 Door Assy SRVC 430G F amp O LH Does not include hinges or handle 4134401 Door Assy High Altitude 430HAG F amp O RH Does not include hinges or handle 4134402 Door Assy High Altitude Frat cerns LH Does not include hinges or handle 4134260 Door Assy SRVC 430G S RH Does not include hinges 4134270 Door Assy SRVC 430G S LH Does not include a id 4134403 Door Assy High Altitude RH Does not include hinges 4134404 Door Assy Hin Altitude 430HAG S LH Does not include hinges 4133785 Door Assy SRVC 430G B RH De not include hinges or handle 4133786 Door Assy SRVC 430G B LH Does not include hinges or handle 4133787 Door Assy SRVC 430HAG B RH High Altitude Does not include hinges or handle 4133788 Door Assy SRVC 430HAG B y High Altitude Does not include hinges or handle 4134915 Door Assy SRVC 430G P RH Does n
60. Fan Signal Trace Refrigerator Section Calling for Cooling w Evaporator temperatures above 40 F 4 C 3 32 400 Series Electronic Control System Information Senses Refrigerator Evaporator and Compartment Temperatures to Regulate Compressor Cycling Starting with Serial 1944319 The 427R refrigerator electronic control senses temperatures via thermistors one on the evaporator and one in the top drawer area inside the Reed switch The cut in and cut out are governed by the compartment temperature and are based on the set point If the compartment calls for cooling compartment at cut in temperature the evapo rator fan circuit is energized but the compressor is allowed ON only if the evaporator is above 40 F 4 C The illus tration below shows normal operation with evaporator above 40 F 4 C See Figure 3 66 NOTE The electric mullion heater around the drawer section cycles with the compressor Starting with serial 1944319 the condenser fan cycles with the compressors via a condenser fan relay See Figure 3 66 NEUT 115 VOLTS NEUTRAL WHITE 60 CYCLES NEUTRAL WHITE Brown 7 CONDENSER FAN MOTOR 2000 5 3 f BOREL I AAA ues HEATER ZONE t T THERMISTORS RED REFRIGERATOR CONTROL BOARD OVERLOAD COMPRESSOR PROTECTOR STARTING RELAY e M COMPRESSOR E FAN MOTOR
61. First detach the door closer assembly from the bottom door hinge by opening the door until the hole in door closer arm aligns with the hole in bot tom cabinet hinge then insert a stubby screwdriver 1 4 diameter or less up into the two holes With a small straight blade screwdriver remove the E ring E ring which holds the door closer arm to the stud on the bot tom door hinge Then pry the door closer arm down off of the door hinge stud See Figure 2 20 and CAU Figure 2 20 Model 430 TION on next page Pry Down Screwdriver holes p into Detaching Door Closer 2 7 Installation Information 400 Series gt A CAUTION Door closer is spring loaded and may recoil quickly when detached Screw NOTE The screwdriver inserted in the holes of the d door closer arm and the bottom cabinet hinge will be m a used to pry the door closer arm back into position when reattaching the door closer to the bottom door hinge Open the door fully and extract the hinge side trim mounting screws located just behind the vertical rib of the hinge side trim then remove the hinge side trim See Figure 2 21 Extract the screws from the top door hinge Lean the door away from the unit slightly and lift the door out of the bottom cabinet hinge Lay the door down and remove the bottom door hinge If a lock and or screws are present on the bottom handle side remove them Remove the panel
62. Mode Temperature Units Selection Mode Selecting Fahrenheit or Celsius Display Like the 427R wine storage control the refrigerator electronic control is initially set to display temperature in Fahrenheit F units of measure But the temperature units displayed can be converted from F to C Celsius and or back again This operation is called Temperature Units Selection NOTE Temperature Units Selection must be performed within the first minute after switching the appliance ON To convert units of measure from Fahrenheit F to a Celsius C press and hold the Bell ON OFF key and the UNIT ON OFF key simultaneously for five seconds See Figure 3 68 Prior to serial 1728753 press and hold the ALARM key and UNIT ON OFF key for five seconds You are now in Temperature Units Selection Mode and the display window indicates the units of measure as F or C In this case C Celsius is displayed See Figure 3 69 NOTE Do not press and hold the UNIT ON OFF key first as this will simply switch the unit OFF To convert back to F from C repeat the steps listed above keeping in mind that you can toggle between F and C within the first minute after powering up NOTE The 427R refrigerator control will exit Temperature Units Selection Mode ten seconds after the last key stroke To reinitiate Temperature Units Selection Mode press the UNIT ON OFF key to switch the unit OFF then press it again to switch the unit
63. NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now cut the suction port and discharge port approxi mately 1 from the compressor Disconnect the com pressor electricals Extract the four bolts from the com pressor base and lift the compressor up and out Condenser Access and Removal Models 427 amp 427R To condenser is located at the front right of the unit tray and is held in place with screws passing up from under the unit tray into the condenser brackets The 427R has a dual condenser with the front of the condenser being part of the wine storage sealed system and the back of the condenser being part of the refrigerator sealed system See Figure 6 63 NOTE See HOT COMPRESSOR amp TUBING CAU TION and SHARP FINS CAUTION at beginning of this section After evacuating the refrigerant from the sealed system you will need to slide the unit tray out slightly See Figure 6 34 6 29 Capillary Tube m Condenser pud D Se EN Figure 6 63 Compressor s amp Condenser NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now remove the condenser mounting screws Cut the inlet tube s and outlet tube s approximately 2 from the condenser and lift the condenser up and out See Figure 6 63 Component Access and Removal 400 Series Feve z noy MO
64. OFF by pressing the UNIT ON OFF key See Figure 3 25 To exit Showroom Mode press the UNIT ON OFF key to switch all functions OFF See Figure 3 23 With all func tions switched off press and hold the upper compartment COLDER and WARMER keys and press the UNIT ON OFF key then release all three keys See Figure 3 24 All unit functions are now restored This can be verified by checked for evaporator fan operation and or compressor operation NOTE The evaporator fan in units prior to serial 1517005 will run 10096 even while unit is in Showroom Mode NOTE On the model 427R the condenser fan will run 10096 of the time after the unit is energized including while in Showroom Mode NOTE Showroom Mode must be initiated separately in the refrigerator section of model 427R C IU GB OS 88 v 40 55 4 Figure 3 24 Initiate Showroom Mode Press and Release Upper COLDER and WARMER Keys and UNIT ON OFF Key Same for Exiting Showroom Mode WINE STORAGE Figure 3 25 Illuminating BELL ON Annunciator while in Showroom Mode Electronic Control System Information 400 Series j WINE STORAGE TEMPERATURE ALARM FEATURE AND POSSIBLE ERROR INDICATORS All wine storage units are equipped with an audio visual temperature alarm feature Low voltage wiring provisions on all 400 Series units also makes it possible to tie the temperature alarm feature into a home security alarm sys tem This secti
65. Panel Assembly 6 24 Lower Light Strip issa 6 24 Refrigerator Control Panel Assy 427R ONLY 6 24 Wine Storage Compartment Thermistor 6 25 Wine Storage Evaporator Thermistor 6 25 Refrig Compartment Thermistor 427R ONLY 6 26 Refrigerator Evaporator Thermistor 427R ONLY 6 26 Wine Storage Evaporator Fan Assembly 6 26 Refrigerator Evaporator Fan Assy 427R ONLY 6 27 400 Series General Information Page Page Model 427 amp 427R Sealed System Component Section 7 Parts Lists w Exploded Views Access REMOVE essen 6 27 Model 424 Door sn 7 2 Wine Storage Evaporator 627 Model 424 Cosmetic etes 7 4 Refrigerator Evaporator 427R ONLY 6 28 Model 42428 Unique Cosmetic aa 7 6 Rerigerant 628 Model 424 Mechanical iei 7 8 Wine Storage ziii 6 28 Model 424 Sealed System 7 10 Refrigerator Filter Drier 427R ONLY 6 29 Compressor 6 29 Model 427 Door eer tene 7 12 Condenser iie vieil entiers 6 29 Model AAT Model 427 Mechanical essen 7 16 Model 430 Model 427 Sealed System s 7 18 Mechanical Model 427R 7 20 COmpol ent ACCESS REMOVAL aies 630 Model 427R Cosmetic tt 7 2
66. RT Side RH See SN Breaks Frame Assy Main Right RH B Frame Assy Main Right RH P Main Frame Right Side LH See SN Breaks Frame Main Side Right LH See SN Breaks Frame Main Side Right LH B Frame Main Side Right LH P Main Frame Left Side RH See SN Breaks Frame Main Side Left RH See SN Breaks Frame Main Side Left RH B Frame Main Side Left RH P Main Frame Assy Left LH See SN Breaks Frame Assy Main Left LH See SN Breaks Frame Assy Main Left LH B Frame Assy Main Left LH P Screw 10 12 x 3 4 Pan HD Screw 4 24 x 3 8 Flat HD Main Frame Angle Screw 4 24X3 8 Flat HD Screw 4 24X3 8 Flat Hd B Screw Spacer Drain Pan Holder Screw 8x1 1 4 FLAT TAP Kickplate Support Screw 10 12 x 3 4 Pan HD Bottom Hinge Stud Nut 1 4 20 Hex Nut 1 4 2 0 Hex B Evap Support Upper RH Evap Support Upper LH Housing Lower Light Screw 8 18 x 1 2 PH Truss HD Shroud Assy Unit Shroud Assy Compressor Not pictured Panel Mnt Hrdwr Pack Lock Washer 1 4 SS Washer Lock 1 4 B Parts Lists amp Exploded Views 400 Series SUB ZERO 430 COSMETIC VIEW Parts Lists amp Exploded Views 400 Series Feve z rcy NOaRWN gt 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 4203140 42031
67. Valve Activation Mode in Section 3 e Recharge system with Virgin 134a refrigerant Low Side Leak Capture refrigerant 7 Repair leak if at solder joint or replace part Back flush high side of sealed system Replace compressor s Replace filter drier Evacuate or sweep charge system NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 g Recharge system with Virgin 134a refrigerant Contaminated Sealed System Capture refrigerant Repair leak if at solder joint or replace part Back flush high side of sealed system Replace compressor Replace filter drier Replace heat exchanger if cap tube is clogged leak in condensate loop or Install a low side drier on suction line in low side Evacuate or sweep charge sealed system Plugged capillary tube NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 i Recharge with Virgin 134a refrigerant Examples gt Burned out compressor gt Excessive moisture from e e eo Restriction Capture refrigerant L
68. cm v a CLAMP FORWARD CLAMP Figure 5 3 Air Flow 4 Fan Blade Spacing Model 4278 7 8 1 16 2 22 cm 16 cm le id 7 8 1 16 CLAMP FORWARD 2 22 cm 16 ON CLAMP FORWARD Figure 5 4 Air Flow amp Fan Blade Spacing Model 430 5 3 Air Flow amp Fan Blade Spacing Notes 400 Series z 5 4 400 Series Component Access and Removal SECTION 6 COMPONENT REMOVAL Component Access and Removal 400 Series cc COMPONENT ACCESS AND REMOVAL This section explains how to access and remove components on in a 400 Series unit Due to the diversity of the 400 Series this section is divided into three sub sections with the model 424 being covered first followed by the models 427 and 427R and the third sub section covers the model 430 In each of the three sub sections you will find access and removal instructions for the external cosmetic and mechanical components followed by the interior cosmetic components the interior mechanical components and the sealed system components Before continuing please take note of the WARNINGS and CAUTIONS below A WARNING IF IT IS NECESSARY TO REMOVE A UNIT FROM ITS INSTALLATION REMEMBER THAT THE UNIT COULD TIP FORWARD WHEN PULLED FORWARD BEYOND THE ANTI TIP COMPONENTS RESULTING IN SERIOUS INJURY OR DEATH P
69. control board is held in place by four tabs one at each corner of the board NOTE See ELECTRIC SHOCK WARNING and STAT IC ELECTRICITY CAUTION at beginning of this sec tion To get to the control board you will need to extract the two screws at the back of the access panel then lower the back of the access panel and pull it towards the rear of the unit See Figure 6 48 Access Panel Figure 6 48 Wine Storage Control Board Access Panel 6 22 400 Series Component Access and Removal To remove the control board disconnect the LED rib bon cable the membrane switch ribbon cable and all other electrical leads attached to the control board Expand the tabs to release the control board then pull down and out See Figure 6 49 NOTE When re connecting electrical leads to the control board be sure the silver area on the mem brane switch ribbon cable terminal is facing away from the control board Refrigerator Section Control Board Access and Removal Model 427R ONLY The refrigerator section control board is attached to a control board cover located in the ceiling of the refrigerator section The control board cover is held in place with seven screws NOTE The eighth hole in the control board cover is in line with the wire channel DO NOT insert a screw in this hole Doing so could short out the unit and or cause electrical shock See ELECTRIC SHOCK WARNING and STATIC ELECTRICIT
70. head cabinet slide mounting screws and pull the cabinet slide and slide spacer or slide support spacer from the wall See Figure 6 77 6 34 Lift front while pulling forward After indentations clear rollers lower front pull forward lift rear Figure 6 75 Wine Rack Assembly Removal p Support Spacer Figure 6 77 Cabinet Slide Slide Support Spacer amp Slide Spacer Removal Y 24 400 Series Component Access and Removal Upper and Lower Evaporator Fan Cover Removal Model 430 There are two access holes in the front of the evapora tor fan cover The back flanges of the evaporator fan cover have slots that line up with the access holes Screws inside these access holes pass through slots in the back flanges and through holes in the evaporator cover into screw grommets securing the fan cover To remove the evaporator fan cover extract the two mounting screws from the access holes and pull the fan cover forward See Figure 6 78 NOTE When reinstalling the fan cover first insert one of the two mounting screws through the evaporator cover into the screw grommet but do not fully tighten Then slide the corresponding slot in the rear flange of the fan cover over the screw and rotate the fan cover up until the other access hole lines up with the other mounting hole Insert the second screw and tighten both screws Upper and Lower Evaporator Cover Removal Model 430 To remove the upper and lower evapo
71. housing must be disconnected from the control board NOTE The wires of the ribbon cable are exposed at the back side of the terminal housing With an Ohm Meter check for continuity at these exposed points pins Pin 1 is at the top of the terminal housing closest to the arrow on the housing see Figure 8 1 1 Without pressing any of the keys on the membrane switch check for continuity across all pin combinations With no keys pressed there should be no continuity With the UNIT ON OFF key depressed there should be continuity across pins 4 amp 6 only With the lower wine storage COLDER key depressed there should be continuity across pins 2 amp 3 only With the lower wine storage WARMER key depressed there should be continuity across pins 3 amp 4 only With the upper wine storage COLDER key depressed there should be continuity across pins 2 amp 6 only With the upper wine storage WARMER key depressed there should be continuity across pins 5 amp 7 only N OI A With the LIGHTS ON OFF key depressed there should be continuity across pins 5 amp 6 only 8 With the alarm bell key depressed there should be continuity across pins 3 amp 7 only NOTE If the membrane switch fails any of the fore mentioned tests the contro panel assembly should be replaced If all the tests are passed and the control panel is still inoperable replace the control board Control Panel Assembly ON
72. is in correct location Relocate if needed Check thermistor ohms 30 000 33 000 at 32 F 0 C Replace if defective Continued Condenser Air Flow Fan Fault Dirty Condenser Condenser Fan Blade Loose or Obstructed Fan Motor Disconnected or Malfunctioning Defective or disconnected fan relay 427R after serial 1944319 Only Evaporator Fan Fan Circuit Fault a Fan Blade out of Position or Obstructed Fan Motor Disconnected or Malfunctioning Fan Switch Disconnected or Malfunctioning No Power from Control Board Prior to serial 1944319 Only Clean condenser Clean if needed Check fan blade Tighten or remove obstruction Check fan motor operation Check fan motor electrical connections back to com pressor Check for 115V AC from com pressor to motor Reconnect or repair wires or replace motor if defective With a compressor running check electri cal connections and power at 427R con denser fan relay Reconnect or replace relay if defective Check fan blade position See section 5 of this manual Reposition blade or remove obstructions Check fan motor operation by pressing fan switch Check fan motor electrical con nections Also check for 115V AC to motor Reconnect or repair wires or replace motor if defective Check fan switch electrical connections Check for 115V AC to and from switch Reconnect or replace switch if defective Check for 115V AC betwe
73. left legs of the con denser fan bracket NOTE You will need to loosen the screws securing the refrigerant valve bracket and push the bracket back slightly and lift up slightly to gain access to the bottom left leg of the condenser fan bracket Then unhook the right condenser fan bracket leg by pushing the assembly to the right then lift up and out See Figure 6 35 The condenser fan motor can now be removed from the bracket by extracting the screws in the back side of the fan motor The fan blade can be removed from the fan motor by turning the flat nut on the fan motor shaft counterclockwise then pull the nut and blade from the shaft Pull unit tray out and pivot to the right Figure 6 34 Unit Tray Removal Refrigerant Valve Bracket Condenser Fan Assy Figure 6 35 Condenser Fan Assembly Component Access and Removal 400 Series Feve z noy Refrigerant Valve Solenoid Access and Removal Models 427 amp 427R The refrigerant valve solenoids are attached to the tops of the refrigerant valves with screws The refrigerant valves are located to the right of the compressor s on the unit tray and are held to the valve bracket with P clamps and screws The top valve is for the upper wine storage compartment and the bottom valve is for the lower wine storage compartment See Figure 6 36 NOTE See ELECTRIC SHOCK WARNING and HOT TUBING CAUTION at beginning of this section To access and
74. lt o N Parts Lists amp Exploded Views 400 Series Eee zssed 427R DOOR amp DRAWER VIEW PARTS LIST 1 4132751 Glass Door Assy RH Does Not Include Hinges or Handle 4132752 Glass Door Assy LH Does Not Include Hinges or Handle 4134391 Door Assy High Altitude 427R G RH 4134392 Door Assy High Altitude 427R G LH 4133011 Door Assy Solid RH Does Not Include Hinges or Handle 4133012 Door Assy Solid LH Does Not Include Hinges or Handle 3212030 Seal Center 6201360 Screw 4 x 3 4 PH PAN HD TYPE 6230970 Black Poly 3211970 Gasket Door 2813201 Holder Compression Gasket 24 4 4181930 Drawer Assy Upper Beverage 4131760 Upper Drawer Tub Includes Seal Tub White 8 3601340 Upper Drawer Divider 9 3211520 Upper Drawer Gasket 10 3601350 Lower Drawer Divider 11 4181940 Drawer Assy Lower Beverage 4131780 Lower Drawer Tub Includes Seal Tub White 12 3211540 Lower Drawer Gasket 13 0183580 Drawer Panel Bracket Upper 14 0183590 Drawer Panel Bracket Lower 15 6200780 Screw 10 24 x 1 2 PH Hex Washer 16 6200720 Screw 8 18 x 1 2 PH Truss HD 17 3421530 Channel Wire 17 225 18 4161550 Drawer Control Panel Assy See SN Breaks 4203380 Control Panel Assy Drawer See SN Breaks 19 6200700 Screw 6 20 x 5 8 PH Flat HD SS 20 4131730 Upper Drawer Front Assembly 21 3211560 Seal Tub White 37 5 8 22 3022950 Cable Assy Control 23 4131740 Lower Drawer Front As
75. on service eet ow service s azu on service _____ service ett on service Ds _ service on service Pe _ service _ ett on service L emrowsewc _ ett ow service sz ow service s on service De sz ow service s service _ eeurow service 2 ett on sevice Pa _ eeurow service s ett on service Dae erowzsewce 5 _ service _______ service s _ ett on service Daf _ eeurow service s on service sr ow service eetrow service ow service Pa _ eetrow service 5 service eet on service eet on service eeu ow service on service Cx a ow service _ eet ow service Da sr ow service e eer on sevice e Lee on 7 service Troubleshooting Guides 400 Series cc WINE STORAGE DIAGNOSTIC WORKSHEET Temperature Display Lower Upper Set Point Lower Upper Diagnostic Mode Thermistor Readings UE Upper Evap LE Lower Evap UP Upper Cmprt LO Lower Cmprt eae z ow 7 SeRviCe eet ow service _ eet o
76. remove the condenser fan assembly you will need to remove the kickplate grille and slide the unit tray out To slide the unit tray out extract the two screws that secure the tray to the cabinet located at the bottom left and right of the cabinet Slide the unit tray out half way and disconnect the compressor con denser fan solenoid and ground wire electrical leads Continue sliding tray out while pivoting it to the right See Figure 6 34 NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now disconnect the electrical leads of the valve sole noid being removed Remove the screw at the top of the solenoid and lift the solenoid up off the valve NOTE You may need to twist the refrigerant valve in the P clamps slightly to allow the solenoid to be removed Solenoids Figure 6 36 Refrigerant Valve Solenoid 6 18 MODEL 427 amp 427R INTERIOR COSMET IC COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section Wine Rack Assembly removal Models 427 amp 427R To remove a wine rack assembly pull the rack forward until it stops Remove any wine bottles on the rack Lift
77. remove the upper evaporator thermistor first remove the two wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the upper compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the evaporator cover Extract the screw from the thermis tor and the screw from the P clamp holding the ther mistor electrical leads Now disconnect the thermistor electrical leads See Figure 6 21 Lower Evaporator Thermistor Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The lower evaporator thermistor is attached to the right side evaporator bracket with a Phillips head screw To remove the lower evaporator thermistor first remove the three wine racks in the lower compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the lower evaporator cover Extract the mounting screws from the right side evapo rator support cover and pull the evaporator support cover out Extract the screw from the thermistor and the screw from the P clamp holding the thermistor elec trical leads Now disconnect the thermistor electrical leads See Figure 6 22 Upper Evaporator Fan Assembly Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The upper evaporator fan assembly is attached to the rear wall by four Phillips head screws To remove the upper evap
78. ribbon cable the membrane switch ribbon cable and all other electrical leads attached to the control board Expand the tabs to release the control board then pull down and out See Figure 6 17 NOTE When re connecting electrical leads to the con trol board be sure the the silver area on the membrane switch ribbon cable terminal is facing away from the control board Evaporator Support Covers Mounting screws concealed by evaporator cover Figure 6 15 Evaporator Support Cover Removal Access Panel Membrane Switch Ribbon Cable Electrical 3F Connections Figure 6 17 Control Board Component Access and Removal 400 Series Feve z noy Control Panel Assembly Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The control panel assembly is set at the front of the compartment divider and is secured by six screws at the bottom and a silicone seal under the top flange Tabs at the bottom and a concealed tab at the top cen ter of the control panel housing help to position the con trol panel assembly To remove the control panel assembly first access the control board and disconnect the LED ribbon cable and the membrane switch ribbon cable Then extract the six screws at the bottom of the control panel Now slide the blade of a putty knife under and along the top flange of the control panel housing to bre
79. screws See Figure 2 17 Now pull the overlay panel from the door To install a new overlay panel refer to the Installation Manual If reinstalling the existing panel reverse the steps above Door Panel Removal and Installation Models 427 amp 427R NOTE The models 427 and 427R are NOT supplied with panels from the factory Panels are purchased separately Door panels are attached to the door of a Door Frame Figure 2 15 All Models Poly Tape Over Handle Mounting Screws Handle Screws Door Hinges amp Screws not shown Door Assy SS Panel SS Handle Figure 2 16 Model 424 Stainless Steel Door Panel Removal Overlay Panel Door Assy Poly SS Handle Shown Handle may vary Figure 2 17 Model 424 Overlay Door Panel Removal 400 Series Installation Information 427 and 427R using screws passing through the door frame from the rear into the panel The handle is attached to the panel To remove a door panel open the door and locate the Poly tape under the gasket which covers the panel mounting screw holes See Figure 2 15 Remove the tape then extract the panel mounting screws Now pull the panel from the door See Figure 2 18 To install a new door panel on a 427 or 427R refer to the Installation Manual If reinstalling the existing panel reverse the steps above Stainless Steel Panel
80. serial 1944319 3 25 Electronic Control System Information 400 Series Feve z noy MODEL 427R REFRIGERATOR CONTROL BOARD LAYOUT SUMMARY TABLE The electrical connection points on the 427R refrigera tor control board are labeled Alphanumerically These labels correspond with the alphanumeric control board summary table located on the 427R wiring diagram By referencing the summary table it is possible to iden tify which components are connected at which connec tion points on the control board Below is a layout dia gram of the control board followed by a copy of a sum mary table See Figures 3 55 and 3 56 NOTE All components on the control board are non replaceable If a problem with the control board is iden tified the complete control board must be replaced Q eS O lt lt Mm ul Oo y X me 5 ZONE THERMISTORS DISPLAY REMOTE Figure 3 55 Model 427R Refrigerator Control Board Layout 3 26 LT BLUE W BLACK LT BLUE W YELLOW SENSES TEMPERATURE FUNCTION DISPLAY BOARD THERMISTER CIRCUITS DISPLAY BOARD 4 DESCRIPTION AUXILIARY CHART TERM SEE AUX CHART SEE AUX CHART ORANGE PUKPLE NSES TEMPERATUR
81. supply before beginning service Failure to observe the above warnings may result in Be sure all grounding devices are connected when severe electrical shock service is complete TISA 39NVHO dunivsddWal SASNAS YOLVYOdVAS H3ddn Alda Td MO TI3A 3Q18 dunivsddwal S3SN3s YOLVYOdVAS MOTI3A SNVJ HO1VHOdVA3 SH3MOd SNVJ Sd QO3u 39NVHO dunivsddWal SASNAS HO1VHOdVA3 H3JMOT 3018 INAWLYVdNOD 43MO 1S 1009 3N TVA GION3 IOS H3MOT 9d 9018 1 SASNAS YOLVeOdWAS H3JMOT 39NVHO 00 NO SLHOII NSHM NO SIHOTT 4d MOV grana dunivsadWail SASNAS H3ddf 51009 3ATVA GION3 IOS 8d MOV grana dunivsddWail 535335 AldW3 6d 31LIHM AN 18 dunivsddWal SASNAS 13NISVO H3MOT VOS OLNI TVYLNJN Old 3LiHW3an i8 dunivsdWil 535335 JI3NISVO MH3MOT AldW3 SLINOUID H3ISIWH3HL ONnONO er IHWAVHO SNJVIV 3INOH 404 NOMWWOJD LIQYOSIO Wav IV 30 18 LHM SANJVIV 3NOH 404 035019 WHY TV SLHONM SHa3MOd SLHSIT 3 G3N 1HM SWYV1V 3INOH 404 N3dO ATIVINHON LIQOSIO YOSSAYdWOO SH3MOd 341OSS33HdlHNOO za LINDYID yovig OLNI 4H3MOd NI H3MOd a
82. that the electronic control system will allow before inter rupting cooling Offset Temperature Range The difference between the low offset and the high offset Thermistor Temperature Sensor A resistor with which resistance changes as the temperature around it changes For electronic control system purposes the microprocessor deci phers this resistance as temperature 3 2 400 Series Electronic Control System Information BASIC WINE STORAGE ELECTRONIC CONTROL SYSTEM Input operations for the Wine Storage electronic control system are performed at the control panel with monitoring regulating and controlling functions taking place at the control board Temperatures and possible problems with the unit are illuminated at the control panel with LED s The diagrams on this page illustrate the wine storage electronic control system See Figure 3 1 for units prior to serial 1944319 see Figure 3 2 for units starting with serial 1944319 The entire electronic control system is described in greater detail following in this page NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See MODEL 427R REFRIGERATOR BASIC ELECTRONIC CONTROL SYSTEM BB v 1 IEE 88 6 JJ EJ
83. the front of the wine rack up while pulling forward After the indentations on the wine rack clear the rollers on the cabinet slides lower the front of the wine rack while continuing to pull forward then lift the rear of the rack up and out See Figure 6 37 Lift front while pulling forward After indentations clear rollers lower front pull forward lift rear Figure 6 37 Wine Rack Assembly Removal Wine Storage Cabinet Slide and Slide Spacer Removal Models 427 amp 427R Cabinet slides in the wine storage compartments are attached to the side wall and false wall of the wine com partments with screws If the cabinet slide is attached to the handle side of the compartment a small plastic slide spacer is placed between the front of the slide and the side wall If the cabinet slide is on the hinge side it is attached directly to the false wall To remove a cabinet slide from a wine storage compart ment you must first remove the wine rack Then extract the mounting screws and pull the cabinet slide and slide spacer if on handle side from the wall See Figure 6 38 Jevs zenog 400 Series Component Access and Removal Refrigerator Section Drawer Slide Assembly Removal Model 427R ONLY The drawer slide assemblies in the refrigerator section of the 427R are attached to the side walls with Allen head screws passing through the drawer slide bracket and into blind threaded inserts To remove a refrigerator sectio
84. the unit turn the front leveling legs counter clockwise to raise the front or clockwise to lower it To assist in turning the front leveling legs up or down use Leveling Legs Clockwise to raise Counterclockwise to lower Kickplate Grille Figure 2 3 Model 427 427R Kickplate Grille Removal Unit to Cabinet Bracket Side Molding Lp V Figure 2 4 Model 427 427R Molding Strip amp Bracket 400 Series Installation Information Figure 2 5 Model 427 427R 430 pois a Adjusting Front Leveling Legs 427 Shown 8 Rear Leveling Leg a standard screwdriver blade and place it in the foot of 5 the front leg See Figure 2 5 Figure 2 6 Model 427 427R Adjusting Rear Leveling Leg The rear levelers are adjusted from the front of the base by turning the Phillips head adjusting screw Turn the screw clockwise to raise the rear or counterclock wise to lower it See Figure 2 6 The long adjusting screw reaches all the way to the rear leveler assembly NOTE The rear leveling legs will only move 1 16 for every 18 revolutions on the Phillips head screw Do not over torque Use the lowest torque setting on any power screwdriver Do not turn rear leveling legs by hand Damage will occur if you turn these legs by hand Unit Leveling Model 430 NOTE The unit must be in the correct installation posi tion before leveling See WARNING on previous page The kickplate m
85. this side Figure 6 8 Unit Tray Component Access FE zerod 400 Series Component Access and Removal MODEL 424 INTERIOR COSMETIC COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section Wine Rack Assembly Removal Model 424 To remove a wine rack assembly pull the rack forward until it stops Remove any wine bottles on the rack Now lift the front of the rack up while pulling forward After the indentations on the wine rack clear the rollers on the cabinet slides lower the front of the wine rack while continuing to pull forward then lift the rear of the rack up and out See Figure 6 9 Cabinet Slide Slide Spacer and Slide Support Spacer Removal Model 424 Cabinet slides are attached to the side walls of the wine compartments with screws If the cabinet slide is attached to the handle side of the compartment a small plastic slide spacer is placed between the front of the slide and the side wall If the cabinet slide is attached to the handle side a wide plastic slide support spacer is placed between the slide and the wall To remove a cabinet slide you must first remove the wine rack Then extract the Phillips head cabinet sli
86. tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section NOTE To access and remove any sealed system component on a Model 424 the unit will need to be pulled from its installation See TIPPING WARNING at beginning of this section If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installa tion See Figures 2 2 If the brackets were not used shims may have been wedged along the sides and top Also see HOT COMPRESSOR amp TUBING CAUTION and SHARP FINS CAUTION at beginning of this sec tion NOTE Always replace the filter drier when servicing the sealed system Upper Evaporator Assembly Access and Removal Model 424 The evaporator assembly consists of the evaporator and heat exchanger The evaporator is mounted to the rear wall with Phillips head screws and the heat exchanger is routed out the back wall down to the unit tray where the capillary tube is attached to the refriger ant valve and the suction line is attached to a T con nection that runs to the compressor suction port See Figures 6 23 6 24 6 25 After evacuating the refrigerant from the sealed system begin the access and removal procedure inside the unit by removing the two wi
87. 2 ye 6 30 Model 427R Mechanical sss 7 24 Drain nnn nnn 6 30 Model 427R Sealed System TREE 7 26 Door Closer ua Ira e e UR Ere 6 30 Door Assembly 6 31 Model 430 Door unun iem o asas ee be 7 28 Louvered Grille sso sees a 6 31 Model 430 Cosmetic eene 7 30 Panel Grille eec alturas G32 Model Ce Light Switch amp Fan Switch 6 32 Model 430 Sealed System 7 34 Condenser Fan Assembly 6 33 Refrigerant Valve Solenoid 6 33 Section 8 Troubleshooting Guides Model 430 Interior Cosmetic Component Wine Storage Diagnostic Worksheet Information amp Access amp Removal sss 6 34 Ini 8 2 Wine Rack Assembly 6 34 Wine Storage Diagnostic Worksheets 8 3 Upper Light Strip 6 34 General Troubleshooting Guide 8 7 Cabinet Slide Spacer amp Support Spacer 6 34 Sealed System Diagnostic information 8 16 Evaporator Fan 6 35 Normal Operating Pressures Chart 8 16 Evaporator COVED esee 6 35 Pressure Indications Chart 8 16
88. 30 3014350 6201270 6120030 6201270 4220490 0212330 6201270 6110270 3150640 4200740 4200741 3150320 6150410 4203060 4203070 N A 4321880 4151271 4151273 4151272 4151274 6110070 4151471 4151473 4151472 4151474 3541017 3541211 3541213 3541018 3541212 3541214 6110540 6200390 6200140 4151241 4151243 4151242 4151244 4151281 4151283 4151282 4151284 6110070 3421310 3450570 430 MECHANICAL VIEW PARTS LIST Control Board PKG SRVC 400 Control Panel Pkg SRVC 430 Thermistor Screw 8 18 x 5 8 PH PN SS Gnd Tube Clamp Plastic 1 4 Screw 8 18 x 5 8 PH PN SS Gnd Fan Motor Assembly Includes Bracket amp Screws Bracket Evap Fan Motor Screw 8 18 x 5 8 PH PN SS Gnd Bolt 10 32 x 1 4 RD HD Fan blade Evaporator Cond Fan Mtr Pkg Blade NOT Incl See SN Breaks Cond Fan Mtr Pkg Blade NOT Incl See SN Breaks Fan Blade Cond 5 prop 7 Nut 1 4 20 Valve Sol Components UPR Wine Valve Sol Components LWR Wine Included w Valve Sol Components Ground Wire Assembly 9 Cabinet Hinge Assy Upper RH Slvr Hinge Assy Upr Cab RH B Cabinet Hinge Assy Upper LH Slvr Hinge Assy Upr Cab LH B Bolt 1 4 20 x 3 4 Spinlock Zinc Door Hinge Assy Top RH Silver Hinge Assy Top Cab RH B Door Hinge Assy Top LH Silver Hinge Assy Top Cab LH B Top Cabinet Hinge Cover RH Silver Cover Top Cabinet Hinge RH B Cover Top Cabinet Hinge RH P Top Cabinet Hinge
89. 3560100 19 6200050 20 0163150 21 3570050 22 3413551 424 COSMETIC VIEW PARTS LIST Light Strip Housing Upper Light Strip 15 WATT Screw 8 18 x 5 8 PH PN SS Gnd Screw 8 x 1 3 4 Flat PH HD Evaporator Fan cover Screw 8 15 x 2 Pan Head Evaporator Cover Upper Pop Rivet 1 8 Ground Wire Assy Screw 8 18 x 5 8 PH PN SS Gnd Panel Srvc Access See SN Breaks Pnl Assy Srvc Acc See SN Breaks Screw 8 18 x 1 2 PH Truss HD Wine Rack Assembly Screw Molding Wood Wine Rack Control Panel Pkg SRVC 424 Kickplate Grille Blk See SN Breaks Kickplate Grille Blk See SN Breaks Kickplate Grille Slvr See SN Breaks Kickplate Grille Slvr See SN Breaks Screw 10 12 x 1 2 Pan HD Drain Pan Leveling Leg 18 3 8 x 1 Cabinet Slide RH 3413552 3421830 0200930 0200940 0200950 6201270 3520120 6200130 6201230 3421820 6201240 0168850 6201240 6200060 3413600 6201290 6200010 4152000 0120990 0260200 6200010 6201430 0168810 3511700 6201270 Cabinet Slide LH Slide Spacer Evaporator Cover Lower Evaporator Support Cover RH Evaporator Support Cover LH Screw 8 18 x 5 8 PH PN SS Gnd Brass Insert Screw 8 18 x 3 4 Truss HD Screw 8 x 7 8 w a 7 PH FT Head Slide Support Spacer Screw 8 1 3 8 w a 7 PH FT Head Duct Back Screw 8 x 1 3 8 w a 7 PH FT Hd Screw 8 32 x 1 2 Pan HD Bottom Rack Screw 8 15 PH PN HD SS White Screw 10 12 x 3 4 Pan HD Lwr Cov
90. 3IHM PAVED TESTER oram WINE CONTROL BOARD TIRES AVS EEA NMOUE SOLENOID FAN SWITCH LIGHT TUBE LIGHT SWITCH v HEAT SHRINK HEAT SHRINK SENSOR UPPER COMPARTMENT lt r Ss 2 XQ O LIGHT TUBE lt CO lt F lt F O y CD O um E CONDENSER FAN MOTOR MOTOR qm UHM SENSOR LOWER COMPARTMENT LOWER FAN MULLION HEATER SUPPLY CORD 3LIHW M LIM M 38 yovia M M ama IN3A LHVdWOO IN3IA LHVdIAOO LNAWLYVdWOO H3MOT1 DRAWER DIAGRAM 10 10 400 Series Wiring Diagrams amp Schematics This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Be sure all grounding devices are connected when service is complete rior to Seria ECT HMM severe e
91. 3SN3S qasn LON td ALdW3 ALdW3 LYVHO Xnv 33S AV IdSIG OL SLOANNOO AV IdSIG SLOWSY Aldana GQ3U ALIHM SLHOIT STOJLINOD HOLIMS LHDIT ALdW3 ALdW3 Aldana Aldana SLINOYIO H31SIWH3HL ALYVHO Xnv 33S SSYNLVYAdWAL S3SN3S SYOLSINYSHL bd NOLLONNA NOLLdINOS3G NOILONNA NOILdldoS3q PART NUMBER 3757530 REV A CS iagrams amp Schemati iring D This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before service is complete Failure to observe the above warnings may result in severe electrical shock beginning service Be sure all grounding devices are connected when H3MOTI SEE CABINET DIAGRAM INT LNT SEE CABINET DIAGRAM 4 2 NIHHS 1V3H IOVS HEAT SHRINK su BLM Nasu CONNECTS TO COMPRESSOR HARNESS EVAP SENSOR BLUE W YELLOW BLUE WI YELLOW SONVEO BLUE W YELLOW BLUE WI YELLOW Z HEAT SHRINK REFRIGERATOR CONTROL BOARD yowla Mama
92. 3ddfl 8d AldW3 td SYNLVeAdWAl SASNAS HO1VHOdVA3 H3ddfl 2 MOTISA SNVJ HO1VHOdVA3 SH3MOd SNVH HO1VHOdVAd Sd Q33 J39NVSHO 33 0 1V333dW31 595335 1O1V3IOdVA3 H3MOT1 9d 3778 4INSWLYVdWOD 51009 3ATVA GION31OS H3MOT1 9d 19 595335 Sd 3ONVSO 00 NO SLHSI1N3HM NO 3GIHH3AO SLH911 MOV Ig 3rri8 3ydnlLvad3dAaL SASNAS AANISVO td ANAWLYVdNOOD Y3ddN STOOD 3ATVA GIONS IOS 8d FYNLWeAdWAL SASNAS 4LANISVO d 31IHHM AN 18 33 n 1V333dW31 SASNAS H3MO 1 31IHA OLNI 1 Old S3SN3S l3NI8VO H3MO T1 AldW3 SLINDYID YSLSINYSHL er N33N9 1 jagrams 8 Schematics ring D i NOMWMWOO LIQYYOSIO Wav TV d Q3SO19 ATIVWYHON LINDYIO Wav TV N3dO ATIVWHON LINDYIO ld LINDYID Wav TV er SLINDYID AOVLTIOA MOT NOLLdIYOSAG LINDY SWHV V 3INOH SWHV V 3INOH 404 SWHV IV 3INOH 404 3N 18 LHM QIU LHM SLHOIT UOSSIYdNOO NI H3MOd SLINDUID LIOA 01 NOILONNA NOLLdIMOSSG LNOAVT AYVININNS ANYO IOYLNOD S3li3s 007 NMO8 ANO OVI
93. 400 Series Feve z noy MODEL 430 INTERIOR MECHANICAL COMPONENT REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section Control Board Access and Removal Model 430 The control board is located at the bottom of the com partment divider behind the control panel and is con cealed by an access panel The control board is held in place by four tabs one at each corner of the board NOTE See ELECTRIC SHOCK WARNING and STATIC ELECTRICITY CAUTION at beginning of this section To get to the control board you will need to extract the two screws at the back of the access panel then lower the back of the access panel and pull it towards the rear of the unit See Figure 6 81 To remove the control board disconnect the LED ribbon cable the membrane switch ribbon cable and all other electrical lead attached to the control board Expand the tabs to release the control board then pull down and out See Figure 6 82 NOTE When re connecting electrical leads to the con trol board make sure the silver area on the membrane switch ribbon cable terminal is facing away from the con trol board Control Panel Assembly Removal Model 430 The control panel assembly is
94. 427 and 427R the complete contro panel assembly must be removed in order to gain access to the lower light strip See Lower Light Strip Access and Removal instructions in the MODELS 427 amp 427R INTERIOR MECHANICAL COMPONENT ACCESS AND REMOVAL section of this manual Refrigerator Section Lighting Access and removal Model 427R ONLY NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The refrigerator section has two light bulbs one in the ceiling of the refrigerator section and one at the bottom of the divider between the two drawers To remove these light bulbs simply unscrew them from the socket See Figure 6 42 Reed Switch Removal Model 427R ONLY NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The Reed switches in the refrigerator section control the refrigerator compartment lighting and evaporator fan NOTE The upper Reed switch also contains the refrig erator compartment thermistor The Reed switches are attached the evaporator cover with a screw See Figure 6 43 To remove a Reed switch extract the screw Lean the top of the Reed switch forward disconnect the electrical leads from the back side and pull the Reed switch out 6 20 Light Strip Light Strip Housing Figure 6 41 Upper Light Strip Removal Light Socket Light Bulb Reed Switch lt oe Figure 6 43 427R Reed Switches Fews zenog 400 Series Component Acce
95. 44319 service is complete Failure to observe the above warnings may result in severe electrical shock HIGH VOLTAGE 115 VOLTS 60 CYCLES UPPER FAN SWITCH PINK CN PINK UPPER nnonnunun gt J1 EVAPORATOR FAN MOTORS LOWER LOWER BLUE FAN SWITCH LIGHTS oooooooo EIGHT SWITCH oN Ti LIGHTS 0000000 SOLENOID LOWER 295 OHMS WINE CONTROL BOARD 0000000 SOLENOID UPPER 295 OHMS gngagggoonuonp IN CONDENSER FAN MOTOR M COMPRESSOR STARTING RELAY COMPRESSOR THERMISTER 1 LOWER CABINET MEMBRANE SWITCH THERMISTER 2 UPPER CABINET THERMISTER 3 LOWER EVAPORATOR BLUE W WHITE BLUE W WHITE BLUE W BLACK BLUE W BLACK BLUE WJ RED ORANGE W RED BLUE W YELLOW ORANGE W YELLOW THERMISTER 4 UPPER EVAPORATOR ONIOMONIO DISPLAY WHITE W RED WHITE W BLUE GRAY WI WHITE WINE CONTROL BOARD nuanconaougmgg 10 9 9 ed c9 9S7 LHVd TIA 39NVHO SYNLVeAdWAL SASNAS JoOlLvdodvA3a H
96. 5171 Door Skin Assy SRVC 424S P RH 424S P 4135172 Door Skin Assy SRVC 424S P LH 424S P 9 3511060 SS Drawer Door Handle 3 4 Dia x 24 3 16 424G S 424S S See SN Breaks 3512030 Handle Door SS 3 4 X 24 188 424G S 424S S See SN Breaks 3512031 Handle Door 3 4 X 24 3 16 B 424G B 424S B 3512032 Handle Door 3 4 X 24 3 16 P 424G P 424S P 10 3511150 SS Handle Standoff 3 4 Dia 424G S 424S S See SN Breaks 3512190 Standoff SS Oval 424G S 424S S See SN Breaks 3512191 Standoff Oval Carbon 424G B 424S B 3512192 Standoff Oval Platinum 424G P 424S P 11 6110650 Machine Screw 10 24x2 TRHDSS 424G B 424G P 424G S 424S B 424S P 424S S 12 6230970 Poly Tape 13 2813001 Holder Compression Gasket 21 5 4246 0 4245 0 2813101 Holder Compression Gasket 21 5 424G B 424G P 4246 5 424S B 424S P 4245 5 14 6160250 Spacer Door Handle 424G B 424G P 4246 5 4245 424S P 4245 5 400 Series Parts Lists amp Exploded Views 424 DOOR VIEW 1 Complete Door Assembly Parts Lists amp Exploded Views 400 Series sveze 1 3511670 2 3030150 3 6201270 4 6201310 5 0212320 6 6201010 T 0200920 8 N A 9 6180010 10 4323860 11 6201270 12 0184410 4152220 13 6200720 14 4181720 15 6201420 16 3516520 17 4203100 18 3560050 3560120 3560051
97. 7 Kickplate Grille Screw 10 12 x 1 2 Pan HD Pan Drain Screw 8 18 x 1 2 PH Truss HD Cabinet Slide RH Cabinet Slide LH Slide Spacer Evap Cover MDL LH UNIT Evap Cover MDL RH UNIT Molding Top RH See SN Breaks Molding Top RH See SN Breaks Molding Top LH See SN Breaks Molding Top LH See SN Breaks Side Molding Side Molding Brass Insert Screw 8 18 x 3 4 Truss HD Screw 8 x 7 8 w a 7 PH FT Head Housing Lower Light w wa 2 wm 7 22 6201230 0169160 6201240 6201270 3421510 6200010 0169290 6200010 3450920 3450980 6200210 0169260 0261710 0261720 0167662 3570060 4202000 N A N A 3421500 0167661 0233490 3450780 6150760 0201020 0201120 0201110 4181930 4181940 3030060 3050010 3050220 6201140 3412032 3550720 3412031 6201430 Screw 8 x 7 8 w a 7 PH FT Head Duct Back Screw 8 x 1 3 8 w a 7 PH FT Hd Screw 8 18 x 5 8 PH PN SS Gnd Bracket Unit to Cabinetry Screw 10 12 x 3 4 Pan HD Raceway Wire Screw 10 12 x 3 4 Pan HD Bracket Switch Mnt See SN Breaks Bracket Switch Mnt See SN Breaks Screw 8 32 x 1 2 Flat Head Switch Enclosure See SN Breaks Box Switch RH See SN Breaks Box Switch LH See SN Breaks Kickplate Bracket LS Front Leveler Bolt Rear Leveler Assembly Rear leveler Foot See 4202000 Leveler Assy Rear See 4202000 Adjusting Rod Kickplate Bracket RS Wire Tray Wire Clip Wire Fastener Evap Cover
98. 8VO d ALdW3 6d 3LIHW3n a 330 vsdWal S3SN3s ASNISVD H3MOT1 SLIHM QVOS OLNI TVH EOSN TVSIDSN Old 3LIHW3n 18 JunivsddWa3l S3SN3S Il3NI8VO H3MOT bd ALdW3 SLINOYIO H31SIWH3HT or N33H5 1 eld er AHWAVYS SWHV IvV 3AOH NOWWOS LINDYID INSV Tv d 3rrig LHM SIWSV IV 3INOH Q3SO IO ATIVWHON LIQOSIO SLH911 5 SLHOIT 3 Q38 1HM SWHV1V SWOH N3dO ATIVWHON _ LINDYIO JLInoadlD WV Iv id AVHO er Mov YOSSAYdWOD SH3MOd Qydvog H3MOd HOSSdHdWOD NI 43MOd SLINDYID 39VELTOA MOT SLINDYID LIOA 0cL MO TOO NOILONNA NOLLdIMOS3G INYO NOILONNJ NOLLdIMOS3G LINDUID 44 WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Failure to observe the above warnings may result in Be sure all grounding devices are connected when severe electrical shock service is complete CS ti amp Schema o NS Y LLI S Qo Oo 2 lt lt C 2 14 iagrams ring D i LNAWLYVdNOS H3ddn QHVOS IOYLNOD 531035 oor LINAWLYVdNOS
99. B RH HOGI 430HAG B 4133882 Door Skin Assy SRVC 430G B LH 430G B 430HAG B 4135011 Door Skin Assy SRVC 430G P LH 430G P 430HAG P 4135012 Door Skin Assy SRVC 430G P LH 430G P 430HAG P 4203210 SS Door Panel Pkg Solid 430RH 430S S RH 4203220 SS Door Panel Pkg Solid 430LH 430S S LH 0185471 Skin Door 430S B RH 430S B 0185472 Skin Door 430S B LH 430S B 0185473 Skin Door 430S P RH 430S P 0185474 Skin Door 430S P LH 430S x 9 3511160 SS Door Handle 1 Dia x 63 7 eo 430S S See SN Breaks 3511970 Handle Door SS 1 X 63 875 430G S 430S S See SN Breaks 3511971 Handle Door 1X63 88 B 430G B 430S B 3511972 Handle Door 1X63 88 P 430G P 430S P 10 3511190 Handle Standoff 1 Dia 430G S 430S S See SN Breaks 3512200 Standoff SS Oval 430G S 430S S See SN Breaks 3512201 Standoff Oval B 430G B 3512202 Standoff Oval P 430G P 430S P 11 6110650 Machine Screw 10 24x2 TRHDSS 430G B 430G P 430G S 430S B 430S P 430S S 12 6230970 Poly Tape 13 2813301 Holder Compression Gasket 26 5 14 6160250 Spacer Door Handle 430G B 430G P 430G S 430S B 430S P 430S S 15 6200720 Screw 8 18 x 1 2 PH Truss HD 430G F amp O 430G P 430G S 430S F amp O 430S P 430S S 6200721 Screw 8 18X1 2 Ph Low Prfl B 430G B 430S B 16 3511130 Door Trim Hinge Side Square Corner 430G S 430S S 3511131 Door Trim Hinge Side Mitered Corner 430G F amp O 430S F amp O 3512241 Trim Door Hinge Side Ca
100. COMPRESSOR 8 NEUTRAL WHITE M EVAPORATOR FAN MOTOR S TOP DRAWER LIGHTS XS of LOWER DRAWER LIGHTS x BLUE W BLACK BLUE W YELLOW LA BLUE W BLACK 4 THERMISTER CABINET BLUE BLUE YELLOW el THERMISTER EVAPORATOR P ZONE THERMISTORS REFRIGERATOR CONTROL BOARD DOOR SWITCH ae SY TOP DRAWER gt DOOR SWITCH 5 BOTTOM DRAWER WHITE W RED ORANGE YELLOW RED WHITE WJ RED WHITE BLACK PART NUMBER 3756362 REV 10 15 19 JOSS3yddANOD SH3MOd HOSSHHdWOD tld ama LYVHO 3ONVHO qasn LON 214014 MOTI3A qas SNV4 SH3MOd HO1VHOdVA3 6d qas LON 8d 31IHM Movia8 510 Guvos 1951 3ONVHO S1H9I1SH3MOd 100 AOCL SLHOIT 4d MOTIBAIM 30118 11 sunivHdWal s3sNas HOLVHOdVA3 3ovia8 OLNI H3MOd SLL 1OH ET 9d 3018 11 3univuidWal S3SN3S WOLVHOdVA3 3LIHM OLNI TVHI1O03N SLL WWYLNAN 21 Sd Xov18 M 318 11 sunivudWal S3SN3S 39v 18 M 11 3univsuadWal S
101. Closer Spring Retainer Door Closer Linkage Door Closer Spring See 4201111 1112 1115 or 1116 E Ring Klipring 5 16 Grommet Rubber M5351 Brass Insert Fan Bracket E Ring 7 16 Supl w DS90 8 05105 Base Assy w rollers Leveling Leg 18 3 8 x 1 Cabinet Roller Canoe Clip Straight Pin Base Assy 312 X2 88 Adjusting Screw Base Rear Roller Assy Screw 10 12 x 3 4 Pan HD SPST Light Switch White Switch Rocker N C Black SPST Fan Icemaker Switch White Switch Rocker N O Black Cover Switch Screw 10 12 x 3 4 Pan HD Shroud Condenser See SN Breaks Shroud Cond Fan See SN Breaks Angle Bracket Door Closer Bearing Bearing Door Closer B Door Stop 90 Deg N C Sales Accy Door Stop 105 Deg N C Sales Accy Screw 10 12 x 3 4 Pan HD Screw 10 12 x 3 4 Pan HD Screw Spacer Screw 8 x 1 Type AR Flat Neoprene Silencer 7 8 Well Nut 75D x 804 10 32 Grommet Mounting Bracket Fender Washer 25x1 25x 06 Machine Screw 10 32 x 1 1 4 Screw 8 32 x 3 8 Slotted Hex T25 Cond Fan Brkt See SN Breaks Bracket Cond Mtg See SN Breaks Shim Cabinet Top or Bot Hinge Power Cord Screw Grommet 1 32 x 3 8 SQ Not Pictured Wire Harness Cabinet Views Parts Lists amp Exploded 165 400 Ser SUB ZERO 430 MECHANICAL VIEW RE ASNAN EEF 4 7 33 Parts Lists amp Exploded Views 400 Series Ee
102. Cover LH Silver Cover Top Cabinet Hinge LH B Cover Top Cabinet Hinge LH P Bolt 10 24 x 1 2 Flat Socket HD Screw 6 x 3 8 T25 Flat Head PH Screw 8 15 x 3 8 Truss HD Door Hinge Bot RH Silver Hinge Assy Bot Door RH B Door Hinge Bot LH Silver Hinge Assy Bot Door LH B Cabinet Hinge Assy Lower RH Slvr Hinge Assy Lwr Cab RH B Cabinet Hinge Assy Lower LH Slvr Hinge Assy Lwr Cab LH B Bolt 1 4 20 x 3 4 Spinlock Zinc Door Closer Guide Door Closer Cushion 7 32 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55a 55b 56 57 58 59 60 61 62 63 64a 64b 65 66 67 68a 68b 69 70 71 0165970 0166360 6180010 4201111 4201115 4201112 4201116 NA 0165980 3421290 3450530 NA 3450550 3220250 3520120 3450560 4110353 3570050 3421240 3450620 3550560 6110580 4110331 6200010 3060140 3060141 3060130 3060131 0168960 6200010 0169040 0261310 3450290 3421260 3421261 DS90 DS105 6200010 6200010 3420670 6200450 3210340 6150330 3220360 6240350 6201280 6200490 3150650 0261150 0164510 4321820 6220220 3021950 Door Closer Guide Support Door Closer Cushion Retainer Pop Rivet 1 8 Door Closer Assy RH 430 F O S P Door Closer Assy SBS RH B 430 B Door Closer Assy LH 430 F O S P Door Closer Assy SBS LH B 430 B See 4201111 1112 1115 or 1116 Door
103. DEL 430 MODEL 430 EXTERIOR COSMETIC AND MECHANICAL COMPONENT REMOVAL An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal proce dure it may be necessary to reference another removal procedure towards the front of this section Kickplate Removal Model 430 To remove the kickplate extract the mounting screws located at each end of the kickplate and pull the kick plate forward See Figure 6 64 Drain Pan Removal Model 430 To access and remove the drain pan the kickplate must first be removed Now push the front of the drain pan back and down This flexes the drain pan slightly releasing the top flange from the tab in the kickplate support Then pull the drain pan forward See Figure 6 65 NOTE When reinstalling the tapered end of drain pan must be inserted on top of the drain pan holder at rear Then push the front of the drain pan up until the front flange engages the tab in the kickplate support Also make sure the drain hoses are over the drain pan and the foam air seals which direct air over drain pan are in position and in good shape Door Closer Removal Model 430 The door closer assembly sets inside of the unit base and the door closer arm is held on the bottom door hinge stud with an E ring NOTE The procedure for disconnecting the door clos er
104. E REESE NS UV AA ERA EER A AYAC RERO A 040 72 EERE s 4 4 E NR KR EE E My Ny EER E NA 4 lt E x ll DIDDY gt lt 2 lt gt N N Parts Lists amp Exploded Views 400 Series 220 99 427 SEALED SYSTEM VIEW PARTS LIST 4203060 Valve Sol Components UPR Wine 4203070 Valve Sol Components LWR Wine 2 6160030 Spacer 5 16 x 7 16 x 5 8 3 3150010 Rubber Grommet Small 5 8 4 6240050 Flat Washer 5 16 5 6200140 Screw 48 15 x 3 8 Truss HD 6 6120030 Tube Clamp Plastic 1 4 T 3014420 Drier Service Wine 8 6240050 Flat Washer 5 16 9 6240090 Lock Washer 5 16 10 6150220 Nut 5 16 18 Hex Zinc 11 4203230 Compressor Pkg SRVC WINE EMI30HER 3111370 Relay 1351400 3111410 Overload 4TM734LFB 12 6200110 Screw 10 12 x 5 8 Truss SS 13 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 14 4211550 Evap Assy UPR Includes Heat Exchanger 3130280 Evaporator 4251440 Heat Exchanger 15 0862330 Bracket Solenoid 16 6200330 Screw 8 18 x 3 8 Pan Head 17 3120360 Condenser 18 4211560 Evap Assy LWR Includes Heat Exchanger 3130280 Evaporator 4251450 Heat Exchanger 19 6150080 Nut Flat 10 24 20 0140360 Tray Unit 7 18 Parts Lists amp Exploded Views les 400 Ser SUB ZERO gt Lu o gt a
105. ENSER FAN MOTOR COMPRESSOR STARTING RELAY OVERLOAD PROTECTOR M COMPRESSOR 8 LOW VOLTAGE THERMISTER 4 BLUE WYELLOW SAN UPPER EVAPORATOR ORANGE W YELLOW Sensing temperatures above Figure 3 14 Compressor Condenser Fan amp Refrigerant Valve Solenoid Signal Trace Upper Wine Storage Compartment Calling for Cooling Prior to Serial 1944319 3 10 Feus zerod 400 Series Electronic Control System Information Senses Evaporator and Compartment Temperatures to Regulate Refrigerant Valve and Evaporator Fan Motor Activity and Control Compressor and Condenser Fan Cycling Starting with Serial 1944319 The wine storage electronic control senses evaporator and compartment temperatures via thermistors one on each evaporator and one in each compartment The cut in is governed by the temperature of the evaporators and the cut out is governed by the temperature in each compartment The cut in temperature and cut out temperature are based on the compartment set point If a compartment calls for cooling evaporator at cut in temperature the cor responding refrigerant solenoid valve is energized opened allowing refrigerant to flow to the evaporator but the electronic control will allow power to only one valve solenoid at a time When one refrigerant solenoid valve is ener gized open the other is de energized closed
106. ES FUNCTION POWERS LIGHTS POWERS FANS POWERS COMPRESSOR S 15 FAN DESCRIPTION REMOTE DISPLAY LIGHTS 120v QUT EVAPORATOR OMPRESSOR THERMISTORS L2 NEUTRAL P14 TERM Figure 3 56 Model 427R Refrigerator Control Board Summary Table 400 Series Electronic Control System Information 427R REFRIGERATOR CONTROL PANEL LAYOUT Starting with serial 1728753 the control panel assembly was upgraded with a membrane switch The diagrams below show the two different control panel assemblies found in the 427R refrigerator section See Figure 3 57 for units prior to serial 1728753 See Figure 3 58 for units starting with serial 1728753 NOTE All model 427R refrigerator control panel diagrams following this page will be that of units starting with serial 1728753 Drawer Ajar Alarm Bell UNIT LCD Annunciator WARMER ON OFF Tor orawer COLDER WARMER oM SUB ZERO REFRIGERATION SYSTEM Drawer Drawer Ajar Location ALARM Bell Annunciators ON OFF key SERVICE 38 A d gt REFRIGERATION SYSTEM A Drawer Ajar Alarm COLDER Drawer Ajar Bell Annunciator key ALARM Bell ON OFF key Figure 3 58 Model 427R Refrigerator Control Panel Layout Starting with Serial 1728753 3 27 Electronic Control System Information 400 Series j 427R REFRIGERATOR BA
107. Evaporator Fan Assembly MODEL 430 SEALED SYSTEM COMPO NENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section NOTE Always replace the filter drier when servicing the sealed system Upper and Lower Evaporator Assembly Access and Removal Model 430 The wine storage evaporators are mounted to the rear wall in each wine storage compartment with Phillips head screws See Figures 6 88 NOTE See SHARP EVAPORATOR FINS CAUTION at beginning of this section Before accessing and removing a wine storage evapo rator evacuate the refrigerant from the sealed system Then remove the wine racks Then remove the evap orator fan cover mounting screws and the evaporator fan cover Pull the top of the evaporator cover forward and lift off of the pegs at the bottom Locate the ground wire riveted to the back of the evaporator cover with a screw securing it to the rear wall Extract the ground screw and remove the evaporator cover Extract the evaporator mounting screws Now cut the evaporator inlet and outlet tubing and pull the evapora tor out 2
108. FORWARD UNDER CERTAIN LOAD CONDITIONS FAILURE TO INSTALL ANTI TIP COMPONENTS AND EXTEND FRONT LEVEL ERS TO FLOOR ACCORDING TO INSTALLATION MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH NOTE Always refer to the Installation Manual whenev er installation related concerns arise or contact the Sub Zero Customer Service Department Unit Leveling Model 424 Unlike the other 400 Series units the model 424 must be leveled before it is installed into the rough in open ing See WARNING above To level the model 424 place it in front of the rough in opening Then turn each of the four leveling legs clockwise to raise the unit counterclockwise to lower the unit See Figure 2 1 An adjustable wrench or pliers may be needed NOTE If removing a 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installation See Figures 2 2 If the brackets were not used shims may have been wedged along the sides and top Unit Leveling Models 427 amp 427R NOTE The unit must be in the correct installation posi tion before leveling See WARNING above The kick plate grille must be removed before leveling See Figure 2 3 If the unit has already been anchored to the cabinets the side molding strips must be removed and the anchor screws must be extracted from the unit to cabinet brackets before leveling See Figure 2 4 These components must be reinstalled after leveling To level
109. Gas Figure 4 16 Model 430 Refrigerant Flow 4 9 Sealed System Information Notes 400 Series z 400 Series Air Flow amp Fan Blade Spacing SECTION 5 AIR FLOW amp FAN BLADE SPACING Air Flow amp Fan Blade Spacing 400 Series Jrevs zenog AIR FLOW DIAGRAMS amp EVAPORATOR FAN BLADE SPACING This section illustrates air flow direction through compartments and proper evaporator fan blade spacing NOTE Prior to serial 1944319 evaporator fans in wine storage compartments run 100 unless the door is open Starting with serial 1944319 evaporator fans in wine storage compartments cycle with the refrigerant valves NOTE The evaporator fan in refrigerator compartment of model 427R cycles with refrigerator compressor 718 1 16 2 22 cm 16 cm lt 7 8 1116 CLAMP FORWARD 2 22 cm 16 CLAMP Figure 5 1 Air Flow amp Fan Blade Spacing Model 424 7 8 1 16 2 22 cm 16 cm 7 8 1 16 CLAMP FORWARD 2 22 16 lt e CLAMP FORWARD Figure 5 2 Air Flow amp Fan Blade Spacing Model 427 5 2 400 Series Air Flow amp Fan Blade Spacing 7 8 1 16 2 22 16 NI 7 8 1 16 7 f 2 22 cm 16 cm CLAMP FORWARD 7 8 1 16 2 22 cm 16
110. H A CAUTION Indicates that hazardous or unsafe practices could result in minor personal injury or product and or property damage In addition please pay attention to the signal word NOTE which highlights information that is especially important for the section it is in PART ORDERING TECHNICAL ASSISTANCE If you should have any questions regarding this equip ment please contact Sub Zero Freezer Co Inc Attn Service Department P O Box 44988 Madison WI 53744 4988 Customer Service amp Parts Warranty Claims Phone 800 222 7820 Technical Assistance Phone 800 919 8324 Customer Service amp Technical Assistance Facsimile 608 441 5887 Parts Warranty Claims Facsimile 608 441 5886 Service Department E Mail Address customerservice subzero com Office Hours 7 00 AM to 7 00 PM Central Time Monday Friday Service parts must be ordered through an Authorized Sub Zero Parts Distributor Please note that the serial number of the unit being repaired is often important when ordering service replacement parts Always refer to the Parts Price List for any parts that may have substitutions determined by serial number This manual is designed to be used by Authorized Service Personnel only Sub Zero Freezer Co Inc assumes no responsibility for any repairs made on Sub Zero refrigeration units by anyone other than Authorized Service Technicians 400 Series General Information TABLE OF
111. HA MOTZA IMSONVEO 8 HEATSHRINK SOLENOID UPPER FAN MOTOR SIM Zana MAIDHM ESLHM IM AVES a OF SH WINE CONTROL BOARD ZINSSUO SOLENOID LIGHT SWITCH th Serial 1944319 UPPER FAN SWITCH LOWER FAN SWITCH LIGHT TUBE Villi N N st LLI HEATSHRINK N HEATSHRINK ing Wi COMPRESSOR lt T lt C 2 x LIGHT TUBE CONDENSER FAN MOTOR ALIAM SENSOR UPPER COMPARTMENT Start MOTOR SENSOR LOWER COMPARTMENT LOWER FAN SUPPLY CORD SKM IM TESTER LNAWLYVdNOO Y3ddN LNAWLYVdNOO FIGGIN LNAWLYVdNOS H3MOT 10 8 FEv zerod 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC J A WARNING MODEL 427 GOMERA Disconnect appliance from electrical supply before Starting with Serial 19
112. HM NO SLHONM MOV Tgrana 3univs3dW3l S3SN3S LANIGVO INAWLYVdNOD S1009 Nv 9 SATIVA GION3 IOS MOV grana 3univisddWa3l S3SN3S l3NI8VO ALdW3 CS ti amp Schema iagrams ring D i WHLNAN Old ALdW3 Lid er Al3NISVO H3MOT1 13NISVO 43MOT SLINDYID H31SIWH3HL 31IHMIAN 18 SLIHM OLNI TVH LO3N SLIHM AN 18 3ynlvadadN3alL S3SN3S dunivsddWal S3SN3S Saga QNnOJ9 NOWWOO LINDYID 35019 A TIVAON LIDIOSIO WHY TV N3dO ATIVINHON LICYOSIO WV IV Wav TV SLINDYIO 39VL OA MOT NOlLdIHOS3G 30 18 LHM 1 SW Iv SWOH 303 SWHV IV SWOH SWHV IV SWOH 304 PART NUMBER 3757530 REV A ex NMO8 5 3 SLHOM 3 AVES YOSSAYdWOD SH3MOd NOSSdHdWOD MOV I8 OLNI NI 43MOd a SLINDYIO 02 NOILONNS NOILdIdOS3G LINO LAOAVI AYVANWAS GYVOd IOUNLNOD 531035 00v E 44 WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical supply before beginning service Failure to observe the above warnings may result in Be sure all grounding devices are connected when severe electrical shock s
113. Key Simultaneously for Five Seconds v B z t 4 Figure 3 18 Temperature Units Selection Mode Initiated Celsius C Displayed To convert back to F from C repeat the steps of pressing and holding the alarm bell ON OFF key and the UNIT ON OFF key simultaneously keeping in mind that you can toggle between F and C for one minute See Figure 3 19 NOTE The control will exit Temperature Units Selection Mode ten seconds after the last key stroke To reinitiate Temperature Units Selection Mode press the UNIT ON OFF key to switch the unit OFF then press it again to switch the unit back ON Now within one minute follow the steps above NOTE Temperature Units Selection Mode must be initiated separately in the refrigerator section of model 427R BELL Ol WINE STORAGE ny 55 oe A J 4 Figure 3 19 Toggle back to Fahrenheit F Units of Measure Press Bell ON OFF Key Unit ON OFF Key Simultaneously 3 13 Electronic Control System Information 400 Series Jrsvs zenog Sabbath Mode A Sabbath Mode was incorporated into the wine storage electronic control system for the observance of certain reli gious days Initiating Sabbath Mode disables the lighting circuit so that the lights will not function when the door is open or closed Also while in Sabbath Mode the LIGHTS ON OFF key is disabled To initiate Sabbath Mode the unit must be switched OFF See Figure 3 20 With the u
114. L WHITE m P1 i ZONE THERMISTORS P9 1 REFRIGERATOR CONTROL BOARD OVERLOAD COMPRESSOR pee PROTECTOR STARTING RELAY DISPLAY i AS M COMPRESSOR P3 o My SArORATOR FAN MOTOR M Evaporator temperature below 40 F 4 C NEUTRAL WHITE LOW VOLTAGE BLUE W BLACK BLUE W YELLOW Loa BLUE W BLACK BLUE YELLOW 7 THERMISTER THERMISTER CABINET i oss Tu EVAPORATOR Calling for cooling THERMISTORS REFRIGERATOR CONTROL BOARD DOOR SWITCH J TOP DRAWER DRAWER CONTROL Md n DOOR SWITCH BOTTOM DRAWER Both drawers closed WHITE W RED WHITE W RED Figure 3 64 Evaporator Fan Power Signal Trace 3 31 Electronic Control System Information 400 Series j Senses Refrigerator Evaporator and Compartment Temperatures to Regulate Compressor Cycling Prior to Serial 1944319 The 427R refrigerator electronic control senses temperatures via thermistors one on the evaporator and one in the top drawer area inside the Reed switch The cut in and cut out are governed by the compartment temperature and are based on the set point If the compartment calls for cooling compartment at cut in temperature the evapo rator fan circ
115. LLOW SIIHM SEE CABINET DIAGRAM BLUE W YELLOW BLUE W YELLOW yovig Manta i 4 yoya M 3 18 S IOHLNOO HdMVvHa P5 P6 P14 PB P9 P7 REFRIGERATOR CONTROL BOARD P1 ZONE THERMISTORS E 7 HEAT SHRINK A RED WHITE BLACK P yovia Mama au M au M 3LIHM X0v18 M DOOR SWITCH WHITE W RED WHITE W RED WHITE W RED WHITE W RED H3ddfl HJMVHHO H3MOT1 DIAGRAM SEE CABINET DIAGRAM PART NUMBER 3756362 REV C 10 14 400 Series Wiring Diagrams amp Schematics WIRING SCHEMATIC A WARNING MODEL 427R REFRIGERATOR mor Prior to Serial 1944319 Eu HIGH VOLTAGE NEUTRAL WHITE This wiring information is provided for use by qualified 115 VOLTS NEUTRAL WHITE 60 CYCLES CONDENSER FAN MOTOR M ZONE THERMISTORS REFRIGERATOR CONTROL BOARD REMOTE DISPLAY seres 2000 OHMS BLACK PURPLE MULLION HEATER RED ORANGE OVERLOAD COMPRESSOR PROTECTOR STARTING RELAY n M
116. LUE W WHITE BLUE W BLACK BLUE W BLACK BLUE W RED ORANGE W RED BLUE W YELLOW ORANGE W YELLOW THERMISTER 4 UPPER EVAPORATOR QO DISPLAY WHITE W RED WHITE W BLUE GRAY WI WHITE WINE CONTROL BOARD gcoaooonoan0nagpo 10 7 TIA 39NVHO dunivsdial S3SN3S YOLVYOdVWAS H3ddn ALdW3 vd MO TI3A 3018 S3SN3S YOLVYOdWAS MOTI3A SNVJ SO1VHOdVA3 SSH3MOd SNVJ SOIVHOdVA3 Sd G3N J9NVHO dunivsadial SSNS HO1VHOdVA3 H3MOT 3778 LINAWLYVdNOD 51009 3ATVA GION31OS H3MOT 9d aauania S3SN3S WHO1VHOdVA3 H3MOT 39NVHO 26001 NO SLHOII NSHM NO SIHOIT 18 1 SASN3S 3ddn AINSWLYVdNOOD 51005 3ATVA GION3 IOS 8d MOV Ig ana 3Jydnlvad3dN3aL S3SN3S 33ddn Aldana 6d dunivia3diWal SASN3S LANIGVO H3MOT SLIHM CVOS OLNI IVHLLOSN AVHLOSN Old 3lHN3n18 dunivsadiWal SASN3S Il3NISVO H3MOT ALdW3 iagrams amp Schematics ring D i SLINDYIO H3ISIAHSHT N33H5 H1uv3 er LHWAVES SN 18 LHM GQ38 LHM SWAY IV
117. LWR Evap Support LWR LH Evap Support LWR RH Drawer Assy Upper Beverage See Door View for Breakdown Drawer Assy Lower Beverage See Door View for Breakdown Light Bulb 25 Watt Light Sckt 3 4 Sngl See SN Breaks Socket Light Sngl See SN Breaks Screw 1 4 20 x 1 2 Sems But HD Drawer Slide LS White Thread Pin Drawer Slide RS Not pictured Panel Mnt Hrdwr Pack Parts Lists amp Exploded Views 400 Series SUB ZERO 427R COSMETIC VIEW Parts Lists amp Exploded Views 400 Series Feve z roy ONO N e UNa 4203140 4203120 3014350 6201270 6120030 6201270 4220490 0212330 6201270 6110270 3150640 4200740 3150660 6150410 4203060 4203070 N A 3060030 3060020 3450920 3450980 6200210 6200450 3420670 3150670 6200490 6201280 6240350 6150330 0169340 4202000 427R MECHANICAL VIEW PARTS LIST Control Board PKG SRVC 400 Control Panel Pkg SRVC 427R Thermistor Screw 8 18 x 5 8 PH PN SS Gnd Tube Clamp Plastic 1 4 Screw 8 18 x 5 8 PH PN SS Gnd Fan Motor Assy Incl Brkt amp Screws Bracket Evap Fan Motor Screw 8 18 x 5 8 PH PN SS Gnd Bolt 10 32 x 1 4 RD HD Fan blade Evaporator Condenser Fan Motor Components Blade amp Bracket NOT included Condenser Fan Blade Nut 1 4 20 Valve Sol Components UPR Wine Valve Sol Components LWR Wine Includ
118. Model 427R Basic Refrigerator Framed amp Overlay Door Panel Removal amp Installation Electronic Control System DUI E TETTE TES 3 25 Model 430 teen 2 8 Model 427R Refrigerator Control Board Layout amp Summary Table 3 26 Section 3 Electronic Control System Information Model 427R Refrigerator Control Panel Layout Es 3 27 427R Refrigerator Basic Electronic wines lear eeu ene enue sy um Control Input Operations 3 28 Wine Storage Electronic Control Refrigerator Section ON OFF 3 28 Terminology and Component Descriptions 3 2 Adjusting Refrigerator Set Points 3 28 Basic Wine Storage Electronic Control System 3 3 Refrigerator Drawer Ajar Alarm ON OFF 3 28 Wine Storage Control Functions of the 427R Refrigerator Board Layout amp Summary Table 34 Electronic Control System aaa 3 29 Wine Storage Control Panel Layout 3 5 Sense and Display Average Basic Wine Storage Compartment Temperatures 3 29 Electronic Control Input Operations 3 5 Supply Power to the Lighting System 3 30 Unit ON OFF sienne nennen nnne 3 5 Supply Power to the Evaporator Fan 3 31
119. NOSTIC WORKSHEET INFORMATION amp INSTRUCTIONS The 400 Series Wine Storage Troubleshooting Guide is supplied with several copies of the Diagnostic Worksheet The information gathered on this worksheet will assist in narrowing the search for the cause of suspected tempera ture problems To fill out the worksheet you will need to be familiar with the Diagnostic Mode and the Temperature Log Recall Mode See section 3 of this manual NOTE The diagnostic worksheet does not apply to temperature problems in the refrigerator section of a 427R Go straight to the 427R Refrigerator General Troubleshooting Guide Diagnostic Worksheet Instructions Whenever servicing a 400 Series Wine Storage unit for temperature problems follow the steps below and fill out the diagnostic worksheet before referencing the Wine Storage General Troubleshooting Guide 1 Register the displayed temperatures a If EE is displayed for either compartment temperature with SERVICE flashing the thermistor in that compartment is disconnected or defective b Ifthe unit is OFF switch unit ON and go on to step 2 below 2 Register the set points keeping in mind that the initial key stroke will change the set point by a one degree increment or decrement depending on your choice of WARMER key or COLDER key respectively 3 Initiate Wine Storage Diagnostic Mode by pressing and holding either COLDER key and the UNIT ON OFF key then register the temperature read
120. ODE The illustration below shows normal operation with 115 Volts AC supplied to the lighting system See Figure 3 63 A WARNING ELECTRIC SHOCK HAZARD 115 VOLTS IS STILL PRESENT AT THE CONTROL BOARD WHEN LIGHTS ARE DISABLED NEUT 115 VOLTS NEUTRAL WHITE 60 CYCLES NEUTRAL WHITE 1 s 8 pis TEST P1 ZONE THERMISTORS REFRIGERATOR CONTROL BOARD REMOTE DISPLAY P3 TOP DRAWER LIGHTS LOWER DRAWER LIGHTS 0 0 NEUTRAL WHITE C DOOR SWITCH SY DRAWER DOOR SWITCH BOTTOM DRAWER NS One or both drawers open WHITE W RED Figure 3 63 Model 427R Refrigerator Lighting System Signal Trace 3 30 Fevs zerod 400 Series Electronic Control System Information Supply Power to the Evaporator Fan Whenever cooling is called for 115 Volts AC is supplied to the evaporator fan switches When both drawers are closed the fan switches will be in normally closed position allowing power to the evaporator fan Please note that although the fan may be energized when cooling is called for the compressor will not run unless the evaporator is above 40 F 4 C The illustration below shows normal operation with the door closed and the evaporator below 40 F 4 C See Figure 3 64 115 VOLTS NEUTRAL WHITE 60 CYCLES NEUT NEUTRA
121. OST METHOD Off Cycle Defrost Off Cycle Defrost Evap s gt 39 F 4 to 66 F 19 C Evaporator gt 40 F 4 C depending on set point before compressor allowed ON before calling for cooling REFRIGERANT SOLENOID VALVES SERVICE PART NUMBER 4290350 WATTS 7 5 AMPS 0 1 OHMS 160 360 EVAPORATOR FAN MOTORS SERVICE PART NUMBER 3150680 3150680 WATTS 6 5 6 5 AMPS 0 1 0 1 OHMS 55 55 THERMISTORS SERVICE PART NUMBER 3014350 3014350 OHMS at 32 F 0 C 30000 33000 30000 33000 400 Series Technical Data MODEL 430 TECHNICAL DATA TABLE REFRIGERANT CHARGE R 134a Refrigerant NORMAL SYSTEM OPERATING PRESSURES NOTE These pressure readings are for verification purposes only The only time pressures should be checked is if a sealed system problem is suspected after trouble shooting through the control panel LOW SIDE PRESSURES 8 psi to 38 psi HIGH SIDE PRESSURE 90 psi to 100 psi COMPRESSOR SERVICE PART NUMBER 4201880 MANUFACTURER Embraco MFG PART NUMBER EMI30HER SERVICE COMPRESSOR AMPS 0 9 SERVICE COMPRESSOR BTU s 280 DEFROST METHOD Off Cycle Defrost Evaporator s gt 39 F 4 to 66 F 19 C depending on set point before calling for cooling REFRIGERANT SOLENOID VALVES SERVICE PART NUMBER 4290350 WATTS 7 5 AMPS 0 1 OHMS 160 360 EVAPORATOR FAN MOTORS SERVICE PART NUMBER 3150680 WATTS 6 5 AMPS 0 1 OHMS 55 THERMISTORS SERVICE PART NUMBER 3014350 OHMS at 32 F 0 C
122. Open opposite valve as that suspected Toggle to evaporator temp readings associated with suspected valve to verify it is closed If it s open Check solenoid electrical connections to make sure they re not crossed Unplug solenoid to see if valve closes If valve clos es replace solenoid If valve does not close replace valve F 1 EXTREMELY COLD 1 Control Set to Display Celsius but Initiate Temperature Units Selection Mode TEMPERATURES DIS Customer Thought it Was and select Fahrenheit units of measure PLAYED 3 TO 18 Fahrenheit 2 If outside US this If Outside US Control Set to Initiate Temperature Units Selection Mode could be EXTREMELY Display Fahrenheit but Customer and select Celsius units of measure WARM TEMPERATURES Thought it Was Celsius DISPLAYED 38 TO 65 SERVICE FLASHING SEE PAGE 8 2 OF THIS MANUAL SEE PAGE 8 2 OF THIS MANUAL EE DISPLAYED FOR Compartment Thermistor Fault Check thermistor electrical connections back EITHER WINE STORAGE to control board Correct wiring problems COMPARTMENT WITH Check thermistor ohms 30 000 33 000 at SERVICE FLASHING 32 F 0 C Replace if defective l LIGHTS STAY ON IN Lights Switched ON 100 Press amp release LIGHTS ON OFF key EITHER WINE STORAGE COMPARTMENT Fan amp Light Switch Wiring Crossed Check wiring at fan amp light switch and at con trol board Rewire if incorrect Light Switch Malfunction Press amp re
123. S 430HAG S 430S B 430S F 4305 0 4305 4305 5 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 30 400 Series 27 Wide Refrigerated Drawers Solid Door on Wine Storage Section Wide Glass CarBon or Black Steel Wrapped Door Wide High Altitude Glass CarBon or Black Steel Wrapped Door Wide Glass Framed Panel Application Door Wide High Altitude Glass Framed Panel Application Door Wide Glass Overlay Panel Application Door Wide High Altitude Glass Overlay Panel Application Door Wide Glass Platinum Steel Wrapped Door Wide High Altitude Glass Platinum Steel Wrapped Door Wide Glass Stainless Steel Wrapped Door Wide High Altitude Glass Stainless Steel Wrapped Door Wide Solid CarBon or Black Steel Wrapped Door Wide Solid Framed Panel Application Door Wide Solid Overlay Panel Application Door Wide Solid Platinum Steel Wrapped Door Wide Solid Stainless Steel Wrapped Door 1 8 400 Series General Information Sub Zero Wine Storage Temperature Range Recommended Wine Storage Temperatures and Recommended Wine Serving Temperatures The table below shows the temperature range of the Sub Zero Wine Storage Units This table also shows the rec ommended t
124. SIC ELECTRONIC CONTROL INPUT OPERATIONS This section illustrates the basic input operations performed at the 427R refrigerator control panel Switching the refrigerator section ON and OFF adjusting the refrigerator set point temperature adjustments and enabling dis abling the drawer ajar alarm will be explained Model 427R Refrigerator Section ON OFF When shipped from the factory the refrigerator section of the model 427R is in the Off Mode By pressing and releasing the UNIT ON OFF key in the refrigerator section See Figure 3 59 power is allowed past the control board to the rest of the refrigerator section This will be indicated by the unit lights and LCD energizing A WARNING WHEN IN OFF MODE 115 VOLTS AC IS STILL PRESENT AT CONTROL BOARD REFRIGERATOR COLDER ARMER A ae ONIOFF Figure 3 59 Refrigerator Section ON OFF Press UNIT ON OFF Key on Refrigerator Control Panel Adjusting Model 427R Refrigerator Section Set Points Temperature Adjustments To adjust set point press the WARMER or COLDER key in multiple key strokes until the desired temperature is achieved See Figure 3 60 NOTE The temperature range in the refrigerator drawer section is 34 F 1 C to 45 F 7 C NOTE The initial key stroke of the WARMER or COLDER keys will change the previous set point NOTE The set point will be displayed for 10 seconds after the last WARMER or COLDER key stroke After the 10 second dela
125. SING Bad LED Board in Control Panel Replace Control Panel Assembly FROM ONLY ONE DISPLAY WINDOWS P DOOR UNIT UN LEVEL SEE SECTION 2 OF THIS MANUAL SEE SECTION 2 OF THIS MANUAL 8 12 E zerod 400 Series Troubleshooting Guides PROBLEM POSSIBLE CAUSE TEST ACTION REFRIGERATOR COM PARTMENT Unit Recently Energized Allow time for unit to pull down Unit Recently Stocked with Food Instruct customer High Room Ambient Instruct Customer that unit performs best between 60 F 16 90 F 32 C Unit in Showroom Mode Troubleshooting pointer After checking the first six possi ble problems in column 2 open drawer to energize compressor Open drawer adjust set points colder amp listen for compressor operation If compressor does not energize after 5 minutes with drawer open switch refrigerator OFF then press amp hold COLDER amp WARMER keys while pressing UNIT ON OFF key With compressor running depress Reed switch to see if evap fan energizes If not see Evaporator Fan Fault If fan checks OK then release switch and observe evaporator temperatures for five minutes with drawer open and compressor run ning 1 If evap temp pulls down to 15 F 9 C see Evaporator Fan Fault a fan blade position Sealed System Leak or Restriction If evap temp cannot pull down to 30 F 1 C see Condenser Air flow Condenser Fan Fault Compressor Fault sealed system leak or restric tion Con
126. SNAS MOv1g M 11 SunivuadWal SASNAS qas LON td Aldana Aldana Aldana LYVHO XNV 335 AW1dSIC OL SLOANNOO AV IdSIQ 3 LOWY d Aldana Alana Aldana a3Y 3LIHM S1H911 SIOYLNO9 HOLIMS LHOIT AldWa AldWa AldWa AldWa Alda SLINDYID H31SIWH3HL L lHVHO XNV 335 SaenlveadWal 595335 SYOLSINYSHL NOLLONNA NOILLdIMOS3G SON NOILONNA NOILLdldOSZ3a 4a WARNING This wiring information is provided for use by qualified service personnel only SEE CABINET DIAGRAM Disconnect appliance from electrical supply before beginning service Failure to observe the above warnings may result in Be sure all grounding devices are connected when severe electrical shock service is complete CONNECTS TO COMPRESSOR HARNESS tics amp Schema ad H T ul lt D Y 5 x LL lt ui Oto 5 _ Q O O w lt sr lt CD O iagrams iring D SEE CABINET LYVHO AYVITIXNV HJMVSHG H3ddfl HJMVHGO bowie DINISHS 1 V3H 231 Z3LHM LJ Gau 31IHM Z N33H9 HEAT SHRINK BLUE W YELLOW BLUE W YE
127. SSOR U ME DUAL OUTLET REFRIGERANT VALVE UPPER X CONDENSER REFRIGERANT VALVE LOWER NOTE ONLY ONE VALVE OPEN AT A TIME Figure 4 4 Capillary Tube s go HEATER HOT GAS CAPILLARY TUBE EVAPORATOR D CAPILLARY TUBE We FILTER DRIER COMPRESSOR i DUAL OUTLET Nome Figure 4 5 Evaporator s REFRIGERANT VALVE UPPER REFRIGERANT VALVE LOWER NOTE ONLY ONE VALVE OPEN AT A TIME HEATER HOT GAS HEAT EXCHANGER CAPILLARY TUBE SUCTION LINE EXCHANGER CAPILLARY TUBE SUCTION LINE FILTER DRIER COMPRESSOR O4 DUAL OUTLET REFRIGERANT VALVE UPPER CONDENSER REFRIGERANT VALVE LOWER NOTE ONLY ONE VALVE OPEN AT A TIME Figure 4 6 Suction Line s amp Heat Exchanger s 4 5
128. SUB ZERO TECHNICAL SERVICE TRAINING MANUAL 400 Series Wine Storage SUB ZERO FREEZER COMPANY INC 2003 ALL RIGHTS RESERVED JOB AID 3756394 REVISION D August 2003 Feus zerod 400 Series General Information SECTION 1 GENERAL INFORMATION General Information 400 Series Feve z noy INTRODUCTION This 400 Series Technical Service Training Manual Part 3756394 has been compiled to provide the most recent information on safety installation set up design operation features troubleshooting wiring diagrams and repair procedures of the 400 Series units This information will enable the service technician to troubleshoot and diagnose malfunctions perform necessary repairs and return a 400 Series unit to proper operational status The service technician should read the complete instructions contained in this training service manual before initiat ing any repairs on a 400 Series unit IMPORTANT SAFETY INFORMATION Below are the Product Safety Labels used in this manu al The Signal Words used are WARNING or CAU TION When reviewing this manual please note these differ ent safety labels placed in areas where awareness of personal safety and product safety should be taken Below each Product Safety Label is a description of the precautions to be taken when the signal word is observed A WARNING INDICATES THAT HAZARDOUS OR UNSAFE PRAC TICES COULD RESULT IN SEVERE PERSONAL INJURY OR DEAT
129. Sealed System Information 400 Series Feve z noy The Sub Zero Model 427R Refrigerator Sealed System Components and Their Role Compressor Figure 4 7 The compressor creates a high side and low side pres sure difference in the sealed system by compressing the refrigerant gas thus raising the pressure and tem perature This high pressure high heat gas exits the discharge line and is routed to the condenser Condenser Figure 4 8 The high pressure high heat gas travels through the condenser where the heat is dissipated by cooler air being drawn over the condenser tubing This changes the gas into a high pressure warm liquid before it enters the high side filter drier Filter Drier Figure 4 9 The high pressure warm liquid travels through the high side filter drier where moisture is removed from the refrigerant before it enters the capillary tube 4 6 COMPRESSSOR E Figure 4 7 Compressor CONDENSER L Figure 4 8 Condenser COMPRESSSOR FILTER DRIER Figure 4 9 Filter Drier 400 Series Sealed System Information gt s TUBE Capillary Tube Figure 4 10 As the warm liquid refrigerant travels through the capil lary tube the pressure drops cooling the liquid before it enters the evaporator COMPRESSSOR FILTER DRIER Figure 4 10 Capillary Tube CAPILLARY TUBE Evaporator Figure 4 11 EVAPORATOR The low p
130. TORAGE DIAGNOSTIC MODE and the TROUBLESHOOTING GUIDE NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See FUNCTIONS OF THE 427R REFRIGERATOR ELECTRONIC CONTROL SYSTEM A WARNING OCK PO AND OR REMOVING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR OTHER ELEC TRICAL COMPONENTS EVEN WHEN UNIT IS SWITCHED OFF 115 VOLTS AC IS STILL PRESENT AT THE CONTROL BOARD Sense and Display Average Compartment Temperatures The temperature signal from the thermistor in each compartment is monitored by the microprocessor and displayed on the LED s in the control panel assembly Though the compartment air temperature may fluctuate slightly the LED s in the control panel will display the average temperature See Figure 3 10 NOTE The temperature range in a wine storage compartment is 38 F 3 C to 65 F 18 C The temperature range in the refrigerator drawer section of a 427R is 34 F 1 C to 45 F T C NOTE If a compartment temperature should ever exceed either the high offset or low offset for example when a door is left open the temperature displayed at the control panel will change by 1 per minute Upper Compartment Temp Reading Compartment Temp Reading Figure 3 10 Temperature Display Shown in degrees Fahrenheit 3 7 Electronic Control System Information 400 Series Supply Power to the Lighting System A continuous 115 Volts AC is su
131. ULLING A UNIT FROM ITS INSTALLATION SHOULD ONLY BE PERFORMED BY AN AUTHORIZED SERVICE TECHNICIAN OR INSTALLER A WARNING TO AVOID ELECTRIC SHOCK POWER TO THE UNIT MUST BE DISCONNECTED WHENEVER ACCESSING AND OR REMOVING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR OTHER ELEC TRICAL COMPONENTS A WARNING WHEN REMOVING A DOOR FROM A UNIT REMEMBER THAT DOORS ARE HEAVY IF A DOOR WERE TO FALL IT COULD CAUSE SERIOUS PERSONAL INJURY A CAUTION When removing or disconnecting door closers and or hinge assemblies remember they are spring loaded and may recoil quickly when released A CAUTION To avoid static electric damage to the control board always handle the board by the edges A CAUTION When working in the compressor area remember that compressor and tubing could be hot A CAUTION When working on or around evaporator or condenser remember evaporator and condenser fins are sharp 6 2 400 Series Component Access and Removal MODEL 424 MODEL 424 EXTERIOR COSMETIC AND MECHANICAL COMPONENT REMOVAL An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal proce dure it may be necessary to reference another removal procedure towards the front of this section Kickplate Removal Model 424 To remove the kickplate extract the mo
132. Y CAUTION at beginning of this section To access and remove the refrigerator control board remove the top drawer first NOTE The top drawer has a control cable that must be disconnected before drawer removal To remove the top drawer assembly pull top drawer forward 6 to 10 lift it up off of the pins at front and push the slides in Carefully place the drawer assembly face down directly in front of unit Then disconnect the display cable at interior left rear of the unit by turning the collar counterclockwise and unplugging the pins from the socket See Figure 6 32 Now extract the screws that secure the control board cover to the ceiling and let the cover drop down Disconnect all electrical lead attached to the control board and pull the control board and cover out See Figure 6 50 6 23 ae 0 gg Tcu Switch Ribbon Cable 0000 ere 1 L Electrical Connections Figure 6 49 Wine Storage Control Board Refrigerator Control Board amp Figure 6 50 Refrigerator Section Control Board Component Access and Removal 400 Series Feve z noy Wine Storage Control Panel Assembly Removal Models 427 amp 427R The control panel assembly is set at the front of the wine compartment divider and is secured by six screws at the bottom and a silicone seal under the top flange Tabs at the bottom and a concealed tab at the t
133. acuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 g Recharge system with Virgin 134a refrigerant Contaminated Sealed System Capture refrigerant Repair leak if at solder joint or replace part Back flush high side of sealed system Replace compressor Replace filter drier Replace heat exchanger if cap tube is clogged leak in condensate loop or Install a low side drier on suction line in low side Evacuate or sweep charge sealed system Plugged capillary tube NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 i Recharge with Virgin 134a refrigerant Examples gt Burned out compressor gt Excessive moisture from e e eo Restriction Capture refrigerant Locate and remove restriction or locate and replace part NOTE If restriction is due to Back flush high side of sealed system sealed system being contami Replace filter drier nated see Contaminated Evacuate or sweep charge system Sealed System above NOTE If evacuating the sealed system you must evacuate from both the low amp hig
134. ak loose the silicone seal See Figure 6 18 NOTE Do not lift the top flange of the control panel housing too vigorously Doing so will break the con cealed tab at the top center After breaking the silicone seal loose pull the control panel assembly forward and out NOTE When reinstalling the control panel assembly you must reapply a bead of silicone along the inside of the top flange Upper Compartment Thermistor Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The upper compartment thermistor is attached to the left side wall with a Phillips head screw The electrical leads of the thermistor are routed through a notch in the left hand side of the evaporator cover and guarded by a wire grommet To remove the upper compartment thermistor first remove the two wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the upper compartment Then remove the evaporator fan cover mounting screws and the evaporator fan cover Pull the evaporator cover out while pushing the thermis tor leads and grommet out of the slot on the left hand side of the evaporator cover Then disconnect the ther mistor electrical leads and extract the thermistor mount ing screw See Figure 6 19 Lower Compartment Thermistor Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The lower compartment thermistor is attached
135. al Outlet Filter Drier NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now cut both outlet tubes approximately 1 from the fil ter drier and cut the drier inlet tube approximately 1 from the filter drier See Figure 6 61 FE zerod 400 Series Component Access and Removal Refrigerator Section Filter Drier Access and Removal Model 427R ONLY The refrigerator section filter drier is located to the left of the condenser on the unit tray See Figure 6 62 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the sealed system you will need to slide the unit tray out See Figure 6 34 NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now cut the capillary tubes approximately 1 from the filter drier and cut the drier inlet tube approximately 1 from the filter drier See Figure 6 62 Compressor Access and Removal Models 427 amp 427R The compressor s are attached to the unit tray with bolts On the model 427R the front compressor is the wine storage compressor and the back compressor is the refrigerator section compressor See Figure 6 63 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the refrigerant from the sealed system you will need to slide the unit tray out See Figure 6 34
136. ase Slide the door closer down off of the bottom door hinge pin See Figure 2 14 NOTE It may be necessary to lean the unit back slight ly to create enough clearance between the hinge pin and the floor Open the door and extract the two screws from the top door hinge Lean the door away from the unit slightly and lift the door out of the bottom cabinet hinge Lay the door down and remove the bottom door hinge and switch depressor If a lock and or screws are present on the bottom handle side remove them also Locate the Poly tape under the gasket on the handle side which covers the handle mounting screw holes See Figure 2 15 Remove the tape then extract the handle mounting screws and pull the handle from the front of the door Now lift the stainless steel panel from the door See Figure 2 16 To install a stainless steel panel reverse the steps above Overlay Door Panel Removal and Installation Model 424 NOTE Overlay panels are attached to the door of a 424G O 424HAG O and 424S O using screws passing through the door frame from the rear into the panel The handle may also be attached through the door frame or just through the panel To remove an overlay panel open the door and locate the Poly tape under the gasket which covers the panel mounting screw holes and possibly the handle mount ing screw holes See Figure 2 15 Remove the tape then extract the panel mounting screws and possibly the handle mounting
137. ath Mode Press and Hold UNIT ON OFF Key for 5 Seconds em mm REFRIGERATOR ON OFF umm c Press and release Figure 3 72 Exit Sabbath Mode Press and Release UNIT ON OFF Key Showroom Mode Showroom Mode was incorporated into the electronic control of the 427R refrigerator control to allow product distrib utors and dealers to display a model 427R without actually having it cooling To initiate Showroom Mode the unit must be switched OFF See Figure 3 73 With the unit switched off press and hold the COLDER and WARMER keys and press the UNIT ON OFF key then release all three keys See Figure 3 74 The unit is now in Showroom Mode All cooling functions are disabled but the lights LCD and door ajar alarm are not To exit Showroom Mode repeat the steps above Confirm unit is out of Showroom Mode by checked for evaporator fan operation and or compressor operation NOTE Showroom Mode must be initiated separately in the wine storage section of model 427R REFRIGERATOR COLDER ARMER A ipid Figure 3 73 Switch Refrigerator Section OFF First 1 REFRIGERATOR LI Press and release Figure 3 74 Initiate or Exit Showroom Mode Press COLDER WARMER and UNIT ON OFF Keys 3 36 400 Series Electronic Control System Information MODEL 427R REFRIGERATOR THERMISTOR MALFUNCTION ERROR INDICATORS A 427R refrigerator thermistor fault short or open will be displa
138. back ON Now within one minute follow the steps above NOTE Temperature Units Selection Mode must be initiated separately in the wine storage section of model 427R Figure 3 68 Initiating Temperature Units Selection Mode Press and Hold THE Bell ON OFF Key and Unit ON OFF Key for 5 Seconds Prior to Serial 1728753 Press and Hold THE ALARM Key and Unit ON OFF Key for 5 Seconds ON OFF REFRIGERATOR COLDER ARMER A T ON OFF Figure 3 69 Temperature Units Selection Mode Initiated C Celsius Displayed 3 35 Electronic Control System Information 400 Series j Sabbath Mode Sabbath Mode was incorporated into the 427R refrigerator electronic control system for the observance of certain religious days Sabbath Mode disables the lighting circuit so the lights will not function when drawers are opened To initiate Sabbath Mode the refrigerator section must be switched OFF See Figure 3 70 With the refrigerator section OFF press and hold the UNIT ON OFF key for five seconds See Figure 3 71 To return to normal lighting operation press and release the UNIT ON OFF key See Figure 3 72 NOTE Sabbath Mode must be initiated separately in the wine storage section of model 427R REFRIGERATOR COLDER ARMER A UNT E Figure 3 70 Switch Refrigerator Section OFF First UNIT REFRIGERATOR ON OFF Press and hold for 5 seconds Figure 3 71 Initiate Sabb
139. ce e sevice e on 7 service Troubleshooting Guides 400 Series cc WINE STORAGE DIAGNOSTIC WORKSHEET Temperature Display Lower Upper Set Point Lower Upper Diagnostic Mode Thermistor Readings UE Upper Evap LE Lower Evap UP Upper Cmprt LO Lower Cmprt eae z ow 7 SeRviCe eet ow service _ eet ow 7 service 3 eet ow service s _ ee on service _______ service _ azu ow service eet ow service s _ service s eeurow service 3 ett on service eet on service s on 7 service eet on service _ eet on service s eeu ow service eet on service Po ____ service e Bett ow service et ow service on 7 service Pe _ service w ett on service eeu ow service azu ow service service on 7 service Ps _ service on service Pe _ service _ ett on service Dn emrowsewc ow service sz ow service s _ ett ow service De _ service s service euro service ett on service Pa _ euro service s ett ow service
140. cket hooks over a spacer toward the rear of the fan shroud The two front legs of the bracket are secured to the fan shroud by screws into wellnuts See Figure 6 73 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove the condenser fan assembly the unit grille will need to be removed first Then remove compressor baffle which is secured with screws Disconnect the fan motor electrical leads Extract the screws from the two front legs of the fan bracket Then unhook the back leg by pushing the condenser fan assembly slightly to the rear then lift up and pull it for ward The condenser fan motor can now be removed from the bracket by extracting the screws in the back side of the fan motor and the fan blade can be removed from the fan motor by turning the flat nut on the fan motor shaft counterclockwise then pull the nut and blade from the shaft See Figure 6 73 Refrigerant Valve Solenoid Access and Removal Model 430 The refrigerant valve solenoids are attached to the tops of the refrigerant valves with screws The refrigerant valves are located to the right of the compressor and are held to the valve bracket with P clamps and screws The top valve is for the upper wine storage compart ment and the bottom valve is for the lower wine storage compartment See Figure 6 74 NOTE See ELECTRIC SHOCK WARNING and HOT TUBING CAUTION at beginning of this section To access and remove the refrigeran
141. connect appliance from electrical supply before Starting with Serial 1944319 Pon Sasa ana service is complete Failure to observe the above warnings may result in severe electrical shock HIGH VOLTAGE 115 VOLTS 60 CYCLES EVAPORATOR FAN SWITCH PINK UPPER EVAPORATOR FAN SWITCH BLUE EVAPORATOR FAN MOTORS LOWER LIGHT SWITCH ORANGE LIGHTS oooooooo LIGHTS 66 2 0000000 SOLENOID LOWER 295 OHMS 0000000 SOLENOID UPPER 295 OHMS gagugggnuanao TN CONDENSER FAN MOTOR M COMPRESSOR STARTING RELAY A _OVERLOAD PROTECTOR M COMPRESSOR THERMISTER 1 LOWER CABINET MEMBRANE SW STER2 CABINET THERMISTER 3 LOWER EVAPORATOR BLUE W WHITE BLUE W WHITE BLUE W BLACK BLUE W BLACK BLUE W RED ORANGE W RED BLUE W YELLOW ORANGE W YELLOW THERMISTER 4 UPPER EVAPORATOR OOO O DISPLAY WHITE WI RED WHITE W BLUE GRAY WI WHITE WINE CONTROL BOARD nunnunnoangmmmg PART NUMBER 3757520 REV 10 21 Wiring Diagram
142. cuating the refrigerant from the sealed system cut the inlet and outlet tubes approxi mately 2 from the condenser Extract the condenser fan shroud mounting screws and the condenser mount ing screws Now lift the condenser up and off the unit top Component Access and Removal Notes 400 Series z 6 40 400 Series Parts Lists amp Exploded Views SECTION 7 PARTS LISTS amp EXPLODED VIEWS Parts Lists amp Exploded Views 400 Series Eee zssed 424 DOOR VIEW PARTS LIST 1 4134180 Door Assy SRVC 424G O Does not include hinges 4134361 Door Assy High Altitude 424HAG O Does not include hinges 4134190 Door Assy SRVC 424G S RH Does not include hinges 4134200 Door Assy SRVC 424G S LH Does not include hinges 4134371 Door Assy High Altitude 424HAG S RH Does not include hinges 4134372 Door Assy High Altitude 424HAG S LH Does not include hinges 4135045 Door Assy SRVC 424G B RH Does not include hinges 4135046 Door Assy SRVC 424G B LH Does not include hinges 4135047 Door Assy SRVC 424HAG B RH High Altitude Does not include hinges 4135048 Door Assy SRVC 424HAG B LH High Altitude Does not include hinges 4135055 Door Assy SRVC 424G P RH Does not include hinges 4135056 Door Assy SRVC 424G P LH Does not include hinges 4135057 Door Assy SRVC 424HAG P RH High Altitude Does not include hinges 4135058 Door Assy SRVC 424HAG P LH High Altitude Does not include hinges 4134210 D
143. d unplugging the pins from the socket See Figure 6 32 To remove the bottom drawer assembly open the draw er and lift the front of the drawer up off of the pins at the end of the drawer slides Then pull the drawer assem bly forward and out Now extract the two screws that secure the drawer closer to the wall and pull the drawer closer assembly out See Figure 6 40 Slide Spacer Figure 6 38 Wine Compartment Cabinet Slide amp Slide Spacer Drawer Slide Figure 6 40 Model 427R Drawer Closer Component Access and Removal 400 Series Feve z noy Upper Light Strip Access and Removal Models 427 amp 427R NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The upper light strip is held in the channel of the light strip housing at the top of the upper wine storage com partment To remove the upper light strip you will need to remove the top wine rack assembly first Then extract the two light strip housing mounting screws Lower the end of the light strip housing opposite the false wall down while pulling forward and disconnect the light strip electrical leads Now slide the light strip out the end of the channel See Figure 6 41 NOTE When reinstalling the light strip housing care must be taken to ensure that all wire leads are tucked behind the light strip housing before re securing it NOTE Since the lower light strip housing is attached to the control panel assembly in the models
144. de mounting screws and pull the cabinet slide and slide spacer or slide support spacer from the wall See Figure 6 10 Upper Light Strip Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The light strip is held in the channel of the light strip housing To remove the upper light strip remove the top wine rack assembly first Then extract the two light strip housing mounting screws securing the housing to the ceiling Lower the light strip housing down discon nect the light strip electrical leads and extract the screw securing the ground wire to the housing Now slide the light strip out the end of the channel See Figure 6 11 NOTE When reinstalling the light strip housing care must be taken to ensure that all wire leads are tucked back behind the light strip housing before resecuring it to the ceiling 6 7 Lift front while pulling forward After indentations clear rollers lower front pull forward lift rear Figure 6 9 Wine Rack Assembly Removal Slide Support Spacer Figure 6 10 Cabinet Slide Slide Support Spacer amp Slide Spacer Removal Light Strip Light Strip Housing Figure 6 11 Upper Light Strip Removal Component Access and Removal 400 Series Feve z noy Upper and Lower Evaporator Fan Cover Access and Removal Model 424 There are two access holes in the front of the evapora tor fan cover The back flanges of the evaporator fan cov
145. e 6 75 Upper Light Strip Access and Removal Model 430 NOTE See ELECTRIC SHOCK WARNING at beginning of this section The light strip is held in the channel of the light strip housing To access the upper light strip extract the two light strip housing mounting screws Lower the light strip housing down and disconnect the electrical leads Now slide the light strip out the end of the channel See Figure 6 76 NOTE When reinstalling the light strip housing care must be taken to ensure that all wire leads are tucked behind the light strip housing before resecuring it NOTE Since the lower light strip housing is attached to the control panel assembly in the model 430 the com plete control panel assembly must be removed in order to gain access to the light strip See Lower Light Strip Access and Removal instructions in the MODEL 430 INTERIOR MECHANICAL COMPONENT ACCESS AND REMOVAL section of this manual Cabinet Slide Slide Spacer and Slide Support Spacer Removal Model 430 Cabinet slides are attached to the side walls of the wine compartments with screws If the cabinet slide is attached to the handle side of the compartment a small plastic slide spacer is placed between the front of the slide and the side wall If the cabinet slide is attached to the handle side a wide plastic slide support spacer is placed between the slide and the wall To remove a cabinet slide first remove the wine rack Then extract the Phillips
146. e Side LH Foam Pad 25 X 22 8 X 19 5 Bracket Front Top Bolt 10 24 x 1 2 Flat Socket HD 3 Hinge Cabinet Top Assy Silver Bolt 10 24 x 1 2 Flat Socket HD 2 Bracket Anti Tip Kickplate Grille See SN Breaks Kickplate Grille See SN Breaks Screw 8 32 x 1 2 Flat Head 2 Screw 10X3 4 Drill PH Hex 2 7 6 400 Series Parts Lists amp Exploded Views 424FS UNIQUE COSMETIC PARTS VIEW Parts Lists amp Exploded Views 400 Series Feve rcy 1 4203140 2 4203100 3 3014350 4 6201270 5 6120030 6 6201270 7 4220490 8 0212330 9 6201270 10 6110270 11 3150640 12 4200740 13 3150660 14 6150410 15 4203060 4203070 16 N A 17 4321880 18 3541121 3541122 19 6110540 20 N A 21 3541130 22 6110540 23 3541130 424 MECHANICAL VIEW PARTS LIST Control Board PKG SRVC 400 Control Panel Pkg SRVC 424 Thermistor Screw 8 18 x 5 8 PH PN SS Gnd Tube Clamp Plastic 1 4 Screw 8 18 x 5 8 PH PN SS Gnd Fan Motor Assy Incl Brkt amp Screws Bracket Evap Fan Motor Screw 8 18 x 5 8 PH PN SS Gnd Bolt 410 32 x 1 4 RD HD Fan blade Evaporator Cond Fan Mtr Cmpnts Blade amp Brkt NOT included Condenser Fan Blade Nut 1 4 20 Valve Sol Components UPR Wine Valve Sol Components LWR Wine Included w Valve Sol Components Ground Wire Assembly
147. e component s For our purposes this is a small electronic tube that lights up when power is supplied to it In the control panel assembly LED s are arranged to show temperature values numbers LED s are also used in the control panel assembly as back lighting for the compartment indicator arrows and the BELL and SERVICE annunciators The information input and read out area of the electronic control system located between the two wine storage compartments NOTE The 427R has two control panel assemblies the second is located inside the top drawer assembly at top front An integral part of the control panel assembly which consists of the function keys used for all input functions to the electronic control system The buttons on the Membrane switch used for input functions The keys are UNIT ON OFF LIGHTS ON OFF ALARM ON OFF COLDER WARMER The words and numbers that are displayed lighted on the control panel assembly Example Temperature readings BELL indicator and SERVICE indicator Set Point The desired compartment temperature This is the approximate average of the high offset and the low offset High Offset Cut in During normal operation of a wine storage unit this is the maximum evapora tor temperature that the electronic control system will allow before calling for cooling Low Offset Cut out During normal operation of a wine storage unit this is the minimum compart ment air temperature
148. e left display window while the right display window indicates the location of the thermistor being read Since the first thermistor location is the Upper Evaporator UE is displayed in the right window See Figure 3 38 Pressing the COLDER key at this time will toggle the reading to the next thermistor location and LE will be dis played in the right window indicating Lower Evaporator temperature See Figure 3 39 Again press the COLDER key to toggle to the next reading which is UP for UPper compartment temperature See Figure 3 40 The fourth key stroke of the COLDER key will toggle to LO indicating the LOwer compartment temperature See figure 3 41 NOTE Diagnostic Mode will end ten seconds after the last key stroke To observe an individual location tempera ture reading for more than ten seconds press and hold the UNIT ON OFF key while in Diagnostic Mode See Figure 3 42 Figure 3 38 Initiating Diagnostic Mode Press COLDER Key and UNIT ON OFF key First Reading is Upper Evaporator SSS 85000000 Figure 3 40 Press COLDER Key Third Reading is Upper Compartment 3 19 Electronic Control System Information 400 Series Jrevs zenog Figure 3 42 Observing Individual Location Temperature Reading for More than Ten Seconds Press and Hold UNIT ON OFF Key While in Diagnostic Mode MANUAL WINE STORAGE REFRIGERANT VALVE ACTIVATION MODE To further assist with d
149. e table at right except for the NOTE in the second column of the table 4 2 400 Series Sealed System Information WINE STORAGE SEALED SYSTEM REPAIR PROCEDURES Problem Service Procedures Non Operating Inefficient a Capture refrigerant Noisy Compressor b Replace Compressor Replace filter drier NOTE To check for a non d Evacuate or sweep charge system operating compressor ahard NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due start kit can be used to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 e Recharge system with Virgin 134a refrigerant High Side leak i Capture refrigerant Repair leak Replace filter drier Evacuate or sweep charge system NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 e Recharge system with Virgin 134a refrigerant Low Side Leak Capture refrigerant 7 Repair leak if at solder joint or replace part Back flush high side of sealed system Replace compressor s Replace filter drier Evacuate or sweep charge system NOTE If evacuating the sealed system you must ev
150. e the two small Phillips head shipping screws and discard them Then loosen and Door Hinge snug the remaining Allen head screws See Figure 2 10 amp 2 11 Adjust door left to right or in and out After adjusting the door re tighten the screws and check for proper gasket seating Bottom Cabinet Hinge No Adjustment Figure 2 11 Model 430 Bottom Door Hinge 2 4 400 Series Installation Information Door Stop Adjustment Models 427 amp 427R The models 427 and 427R have a 90 door stop cam built into the hinge system The 90 door stop cam is located in the center portion of the hinge To adjust it use a standard straight blade screwdriver to rotate the cam until you reach the stop point See Figure 2 12 NOTE You must make this adjustment at both bottom and top hinge Door Stop Installation Model 430 For the model 430 optional 90 and 105 door stops are available free of charge from Parts Distributors and or Product Distributors The part number for the 90 stop is 0590 and the part number for the 105 stop is 05105 To install a door stop on a model 430 the door must be closed Slide the door stop cam up onto bottom hinge pin The stub on the door stop fits into the hole on the cabinet hinge Retain door stop by pushing the E Ring into the groove at the end of the bottom hinge pin mak ing sure that the E ring is clipped securely into the groove See Figure 2 13 NOTE
151. e top hinge Now close the door and remove the four door mounting screws from the bottom hinge and lift the door from the unit See Figure 6 30 NOTE On the model 427R you will need to remove the top drawer to access the door mounting screws at the bottom hinge See Drawer Assembly Removal 427R ONLY on previous page Now extract the Allen head bolts from the appropriate hinge mounting bracket and pull the hinge from the unit See Figure 6 33 Condenser Fan Assembly Access and Removal Models 427 amp 427R The condenser fan motor is attached to a three legged condenser fan bracket by screws The right leg of the fan bracket hooks over a spacer on the fan shroud The two left legs of the fan bracket are secured to the fan shroud by screws into wellnuts NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove the condenser fan assembly you will need to remove the kickplate grille and slide the unit tray out To slide the unit tray out extract the two screws that secure the tray to the cabinet located at the bottom left and right of the cabinet Slide the unit tray out half way and disconnect the compressor con denser fan solenoid and ground wire electrical leads Continue sliding the tray out while pivoting it to the right See Figure 6 34 NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now extract the screws from the
152. e zssed 430 SEALED SYSTEM VIEW PARTS LIST 4203060 Valve Sol Components UPR Wine 4203070 Valve Sol Components LWR Wine 2 6160030 Spacer 5 16 x 7 16 x 5 8 3 3150010 Rubber Grommet Small 5 8 4 6240050 Flat Washer 5 16 5 6200140 Screw 48 15 x 3 8 Truss HD 6 6120030 Tube Clamp Plastic 1 4 T 3014420 Drier Service Wine 8 6240050 Flat Washer 5 16 9 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 10 6150220 Nut 5 16 18 Hex Zinc 11 4203230 Compressor Pkg SRVC WINE EMI30HER 3111370 Relay 1351400 3111410 Overload 4TM734LFB 12 6200010 Screw 10 12 x 3 4 Pan HD 13 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 14 4211600 Evaporator Assy Includes Heat Exchanger 3130280 Evaporator 4251490 Heat Exchanger 15 6120170 Locking Cable Tie Red 11 1 2 16 2600138 Drain Pan Heater Loop 17 3120370 Condenser 18 3421410 Drain Pan Heater Loop Support 19 6200010 Screw 10 12 x 3 4 Pan HD 20 0862320 Bracket Solenoid 21 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 22 0168040 Drier Bracket 7 34 Parts Lists amp Exploded Views les 400 Ser SUB ZERO gt Lu o gt o a Lu lt Lu o 7 35 Parts Lists amp Exploded View Notes 400 Series 7 36 400 Series Troubleshooting Guides SECTION 8 TROUBLESHOOTING GUIDES Troubleshooting Guides 400 Series WINE STORAGE DIAG
153. ecessary to reference another removal procedure towards the front of this section Kickplate Grille Removal Models 427 amp 427R The kickplate grille is held in place by four screws pass ing through it into adjustable kickplate brackets To remove the kickplate grille extract the four screws two on each side and pull the kickplate grille forward See Figure 6 28 NOTE For the 427R it may be necessary to remove the bottom drawer to gain access to the kickplate grille Wine Compartment Light and Fan Switches Access and Removal Models 427 amp 427R The wine compartment light and fan switches protrude through the top trim molding just above the door Tabs on the switches hold the switches in a switch bracket And the bracket is attached to the switch enclosure with two screws NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove a light and or fan switch you will need to remove the side molding strips Now remove the top molding by pulling the top of the molding for ward then lift up Remove the two screws from the switch bracket and pull the bracket forward See Figure 6 29 Disconnect the electrical leads from the switch being removed Depress the tabs on the side of the switch being removed and push the switch out of the bracket Top Molding Figure 6 29 Light Switch amp Fan Switch Access Component Access and Removal 400 Series Feve z noy Door A
154. ed w Valve Sol Components Light Switch Normally Fan Switch Normally Open Bracket Switch Mnt See SN Breaks Bracket Switch Mnt See SN Breaks Screw 8 32 x 1 2 Flat Head Screw 8 x 1 Type AR Flat Screw Spacer Bracket Cond Fan Wine Screw 8 32 x 3 8 Slotted Hex T25 Machine Screw 10 32 x 1 1 4 Fender Washer 25x1 25x 06 Well Nut 75D x 804 10 32 Fan Shroud Condenser Rear Leveler Assembly 7 24 N A N A 3421500 3570060 0169260 0261710 0261720 6200010 6201140 6200780 4324800 3541031 3541032 3220250 3520120 3541050 3541041 3541042 3541020 6200280 4202580 6201140 3412032 3550720 3412031 4161550 4203380 6200700 4203240 4203290 6201130 4202770 6150800 3021890 3021920 Rear leveler Foot See 4202000 Leveler Assy Rear See 4202000 Adjusting Rod Front Leveler Bolt Switch Enclosure See SN Breaks Box Switch RH See SN Breaks Box Switch LH See SN Breaks Screw 10 12 x 3 4 Pan HD Screw 1 4 20 x 1 2 Sems But HD Screw 10 24 x 1 2 PH Hex Washer Retractor Assy Power Cord Top Hinge Assy RH Top Hinge Assy LH Grommet Rubber M5351 Brass Insert Fan Bracket Hinge Cover Lower Hinge Assy RH Lower Hinge Assy LH Drawer Closer Screw 8 18 x 1 Pan Head Reed Switch Screw 1 4 20 x 1 2 Sems But HD Drawer Slide LS White Thread Pin Drawer Slide RS Drwr Cntrl Pnl Assy See SN Breaks Drwr Cntrl Pnl Assy See SN Breaks Scr
155. emperature Alarm Press UNIT ON OFF Key to Off Then ON Thermistor Malfunction Error Indicators A wine storage thermistor fault such as a short or open condition will be displayed at the control panel If there is a problem with either of the compartment thermistors the temperature display window for that compartment will be flashing the letters EE and the SERVICE annunciator will be flashing too A compartment thermistor fault will also cut power to the compressor condenser fan both refrigerant valves the lights and the evaporator fans via the relays on the control board If the BELL ON feature has been enabled the BELL ON annunciator will also flash and the audible alarm will beep See Figures 3 32 to 3 35 If there is a problem with either of the evaporator thermistors the SERVICE annunciator will flash An evaporator thermistor fault will also cut power to the compressor condenser fan both refrigerant valves the lights and the evaporator fans via the relays on the control board If the BELL ON feature has been enabled the BELL ON annun ciator will also flash and the audible alarm will beep See Figures 3 36 and 3 37 NOTE Correcting repairing the thermistor problem will clear the Thermistor Malfunction Error Indicator 3 17 Electronic Control System Information 400 Series ra BELL ON r r 3 WINE STORAGE oo anun mal ci WINE STORAGE Figure 3 33 Upper Compartment Thermisto
156. emperatures for serving wines Serving wines at the recommended temperatures will insure that white wines maintain their lively and interesting taste and red wines will maintain their scent and flavor NOTE For long term storage of all wines the ideal temperature is 55 F 13 C NOTE The temperature range in the refrigerator drawer area of the 427R is 34 F 1 C to 45 F Fahrenheit Celsius Wine Storage Unit Maximum Temperature Bordeaux Red Burgundy Beaujolais Sherry Ros s Dry White Wines Champagne Sweet White Wines Sparkling Wines o 5 x o 5 o gt o o o c o E E a Wine Storage Unit Minimum Temperature 1 9 General Information 400 Series Esus ze od 1 10 400 Series Installation Information SECTION 2 INSTALLATION INFORMATION Installation Information 400 Series Feve z noy INSTALLATION CONSIDERATIONS This section covers some of the more common installa tion issues seen by a service technician An improper installation though not a valid service issue has the potential to lead to a customer placing a call for service Installation related customer complaints could include but are not limited to Unit leveling unit movement door misalignment doors and drawers not sealing internal frost or condensation warm compartment tem peratures exterior condensation etc A WARNING UNIT COULD TIP
157. en P5 amp P10 of J3 on control board NOTE make sure unit is not in showroom Mode If no power between P5 amp P10 replace board Troubleshooting Guides 400 Series Feve z noy PROBLEM POSSIBLE CAUSE TEST ACTION Continued B WARM TEMPERATURE IN ONLY ONE WINE STORAGE COMPARTMENT C PRODUCT TEMPERATURE IS 10 OR MORE COLDER THAN DISPLAYED TEM PERATURE COLD TEMPERATURES IN BOTH WINE STORAGE COMPARTMENTS Refrigerant Valve Solenoid Fault a Solenoid Disconnected or Malfunctioning b Refrigerant Valve Stuck Closed or Restricted at Cap Tube End Compressor Fault a Compressor Electricals Disconnected or Malfunctioning b Compressor Inefficient or Locked Sealed System Leak or Restriction Compartment Thermistor Fault Misread Initiate Manual Valve Activation Mode to verify operation If inoperative toggle to other evap temp reading to verify valve wiring is not crossed Check solenoid electrical connections back to control board Check for 115V AC between P8 amp P10 upper or P6 amp P10 lower of J3 on the control board Correct wiring problems or replace solenoid if defective If no power between points mentioned above replace board If solenoid checks OK but temperatures do not drop while in Refrigerant Valve Activation Mode replace defective or restricted valve NOTE restriction is most likely in cap tube attached to valve Check this after removing valve Check integri
158. er Assy Incl Power Cord Back Cover Lower Bracket Ref to Countertop Screw 10 12 x 3 4 Pan HD Not pictured Panel Mount Hdwr Pk Anti Tip Bracket 23 7 8 Housing Lower Light No Lower Light Strip in model 424 Screw 8 18 x 5 8 PH PN SS Gnd Parts Lists amp Exploded Views 400 Series SUB ZERO 424 COSMETIC VIEW NOT PICTURED Panel Mount Hardware Pack Parts Lists amp Exploded Views 400 Series Feve z rcy 424FS UNIQUE COSMETIC PARTS VIEW LIST 1 oc mom 0 0810100 0810110 6200130 4152100 6220320 4152110 3220830 6180210 0860910 4152121 4152122 6200330 3540810 3541112 6200780 3541095 3541096 6200780 6200120 4152131 4152132 3220820 0860920 6110540 3541122 6110540 0860900 3560070 3560110 6200210 6201500 Wrap Stainless Overlay RH Wrap Stainless Overlay LH Screw 8 18 x 3 4 Truss HD 10 Bracket Back Top Assy Screw Grommet 10 Bracket Back Side 2 Foam Pad 125 X 29 2 X 19 8 2 Pop Rivet 1 8 X 3 16 9 Bracket Front Side 2 Cover Base Assy Hinge Side RH Cover Base Assy Hinge Side LH Screw 8 18 x 3 8 Pan Head 2 Door Closer Hinge Cabinet Bottom Silver Bolt 10 24 x 1 2 Flat Socket HD 2 Hinge Door Bottom Silver RH Hinge Door Bottom Silver LH Screw 10 24 x 1 2 PH Hex Washer 3 Screw 10 12 x 1 2 Truss HD Cover Base Handle Side RH Cover Base Handl
159. er Light Strip Access and Removal Model 430 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The lower light strip is held in the channel of the light strip housing which attached to the control panel assembly To remove the lower light strip you will first need to remove the control panel assembly Now slide the light strip out the end of the channel in the light strip housing See Figure 6 84 Upper and Lower Compartment Thermistor Access and Removal Model 430 The compartment thermistors are attached to the left side wall with a Phillips head screw and the electrical leads of the thermistors are routed through a notch in the left hand evaporator support cover and guarded by a small rubber grommet See Figure 6 85 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To remove a compartment thermistor first remove the wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the lower evapo rator cover Extract the evaporator support cover mounting screws and pull the evaporator support cover out while pushing the thermistor leads and grommet out of the slot on the left hand side Then disconnect the thermistor electrical leads Upper and Lower Evaporator Thermistor Access and Removal Model 430 The evaporator thermistors are attached to the right Side evap
160. er have slots that line up with the access holes Screws inside these access holes pass through slots in the back flanges and through holes in the evaporator cover into screw grommets securing the fan cover To remove the evaporator fan cover extract the two mounting screws from the access holes and pull the fan cover forward See Figure 6 12 NOTE When reinstalling the fan cover first insert one of the two mounting screws through the evaporator cover into the screw grommet but do not fully tighten Then slide the corresponding slot in the rear flange of the fan cover over the screw and rotate the fan cover up until the other access hole lines up with the other mounting hole Insert the second screw and tighten both screws Upper Evaporator Cover Removal Model 424 To remove the upper evaporator cover first remove the two wine racks and all cabinet slides cabinet slide spacers and cabinet slide support spacers in the upper compartment Then remove the evaporator fan cover mounting screws and the evaporator fan cover Pull the evaporator cover forward slightly Push the thermistor leads and grommet out of the slot on the left hand side of the evaporator cover There is a ground wire riveted to the back of the evaporator cover and the other end of the ground wire has a screw securing it to the rear wall Extract the ground screw and pull the evaporator cover out See Figures 6 12 amp 6 13 NOTE When reinstalling the evapora
161. er is routed out the back wall down to the unit tray where the capillary tube is attached to the refriger ant valve and the suction line is attached to a T con nection that runs to the compressor suction port See Figures 6 23 6 24 6 25 After evacuating the refrigerant from the sealed system begin the access and removal procedure inside the unit by removing the three wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the lower compartment Then remove the evapora tor fan cover mounting screws the evaporator fan cover the evaporator cover and the evaporator support covers Extract the evaporator mounting screws Now remove the access panel from the bottom back of the unit Remove the door closer See DOOR CLOSER WARNING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the left side and loosen the four screws on the right side Separate the unit tray from the cabinet by leaning the cabinet to the right then insert a spacer between the cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Cut the cap tube from the outlet port of the refrigerant valve and cut the suc tion line from the T connector Then pull the evapora tor assembly from the front of the unit Refrigerant valve access and removal Model 424 The refrigerant valves are attached to the valve brack ets with screws and tube clamps at the back left
162. ervice is complete ALNAWLYVdNOS H3ddn LNAWLYVdNOS 5 LNAWLYVdNOS SEE DIAGRAM GS im ana aadM3a9NVdOZ dVA3 HOSN3S C EE cer HEATSHRINK SENSOR LOWER EVAP TO DRAWER DRAWER CONNECTS ZSIIHMIM ama HEATSHRINK L M IM 3018 MOTIBA IM L ORANGE W YELLOW BLUE WI YELLOW ovis M ama e i am TESTER ER 5 IM SONVHO MOTISA Z IM 8 UPPER FAN MOTOR HEATSHRINK 7 LOWER SOLENOID T G3H M SLI AVES ALARM TESTER HARNESS LELE N3349 Z3LIHA TAVIS WINE CONTROL BOARD ZLNSHHS UPPER SOLENOID LIGHT SWITCH 39NVHO 3ONvHO BLM NS3HO ams th Serial 1944319 UPPER FAN SWITCH LOWER FAN SWITCH LIGHT TUBE
163. esult in Be sure all grounding devices are connected when severe electrical shock Disconnect appliance from electrical supply before service is complete beginning service LNAWLYVdWOS H3ddf LNAWLYVdNOS H3MOT Z IM 318 T Mane M 3ONVEO dg LIGHT SWITCH FAN SWITCH LIGHT TUBE SENSOR UPPER SENSOR LOWER EVAP HEATSHRINK L 3LIHW M Z 3LIHWJM Q c e a HEATSHRINK Mania Z SONVEO EMOTEA M IME Y SONVHO SUMS 9 M SONVEO TESTER M3 LIHM L M3LIHM Z SIHMIMAVSO MOTTA S amag Nd LOWER SOLENOID BOARD CONTROL WINE ZI HEATSHRINK 2 BLUE WI BLACK 3 BLUE WI BLACK MODEL 430 Prior to Serial 1944319 COMPRESSOR HEATSHRINK LIGHT TUBE LIGHT TUBE WIRING DIAGRAM SENSOR LOWER
164. ets with a Phillips head screw See Figure 6 57 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access the refrigerator evaporator thermistor you must first remove the evaporator fan cover mounting screws and the evaporator fan cover Extract the grounding screw towards the top right and remove both Reed switches Pull the top of the evaporator cover for ward and down and lift off of pegs at bottom Remove the screw from the evaporator thermistor and discon nect the evaporator thermistor electrical leads Upper and Lower Wine Storage Evaporator Fan Assembly Access and Removal Model 427 amp 427R The wine storage evaporator fan assemblies are attached to the rear wall of each wine compartment with four Phillips head screws See Figure 6 58 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove a wine storage evaporator fan assembly you must first remove the wine racks in the appropriate compartment Then remove the evapora tor fan cover mounting screws and the evaporator fan cover Remove the evaporator cover mounting screws towards the bottom of the evaporator cover Rotate the side of the evaporator cover farthest from the false wall out slightly and push the compartment thermistor elec 6 26 Thermistor Upper Reed Switch Assembly with Compartment Thermistor Figure 6 56 427R Refrigerator Compartment Thermistor Reed Switch PET TTT TT
165. ew 6 20 x 5 8 PH Flat HD SS Pckg Cntrl Brd Ref See SN Breaks Pckg Cntrl Brd Ref See SN Breaks Screw 8x 1 2 PH FL HD SS Cabinet W H Rpair Pkg Plastic Hex Nut 5 8 27 UNS 2A Not Pictured Wire Harness Cabinet Ref Section Wire Harness Cabinet Wine Section Parts Lists amp Exploded Views Feus zenod 400 Series 427R MECHANICAL VIEW 4 Nevexot 7 25 Parts Lists amp Exploded Views 400 Series Eee zssed 427R SEALED SYSTEM VIEW PARTS LIST 4203060 Valve Sol Components UPR Wine 4203070 Valve Sol Components LWR Wine 2 6160030 Spacer 5 16 x 7 16 x 5 8 3 3150010 Rubber Grommet Small 5 8 4 6240050 Flat Washer 5 16 5 6200140 Screw 28 15 x 3 8 Truss HD 6 6120030 Tube Clamp Plastic 1 4 T 3014420 Drier Service Wine 8 6240050 Flat Washer 5 16 9 6240090 Lock Washer 5 16 10 6150220 Nut 5 16 18 Hex Zinc 11 4203230 Compressor Pkg SRVC WINE EMI30HER 3111370 Relay 1351400 3111410 Overload 4TM734LFB 12 6200110 Screw 10 12 x 5 8 Truss SS 13 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 14 4211570 Evaporator Assy UPR Includes Heat Exchanger 3130510 Evaporator 4 Pass 4251460 Heat Exchanger 15 0862330 Bracket Solenoid 16 6200330 Screw 8 18 x 3 8 Pan Head 17 3120350 Condenser 18 4201880 Compressor Refrig 3111370 Relay 1351400 3111410 Overload 4TM734LFB 19 3014230 Filter Drier High Side 20 4211580
166. f no power replace board Z CONTROL PANEL KEYS Control Cable Disconnected or Faulty Check control cable and connections between amp OR LCD INOPERABLE control panel and Methode connector on back OR MALFUNCTIONING duct Reconnect repair or replace if defec tive Disconnected or Faulty Wiring Check wiring from Methode connector on between Back Duct and Electronic back duct to electronic control board Control Board Reconnect repair or replace if defective Faulty Control Panel or Electronic If unit passes all tests above replace control Control Board panel and electronic control board AA DRAWER S UNIT UN SEE SECTION 2 OF THIS MANUAL SEE SECTION 2 OF THIS MANUAL LEVEL Troubleshooting Guides 400 Series gt SEALED SYSTEM DIAGNOSTIC INFORMATION Before troubleshooting the sealed system with the information below see pages 8 2 through 8 15 in this manual NOTE Whenever entering the sealed system always use solder in process valves Do NOT use bolt on process valves as they are prone to leak NOTE Whenever servicing the sealed system the high side filter drier must be replaced NORMAL OPERATING PRESSURES Normal Low Side Pressures Normal High Side Pressures 8 psi to 38 psi 90 psi to 100 psi 427 8 psi to 38 psi 90 psi to 100 psi 427R Wine Storage 8 psi to 38 psi 90 psi to 100 psi 427R Refrigerator 10 psi to 40 psi 90 psi to 100 psi 8 psi to 38 psi 90 psi to 100 psi PRESSURE INDICATIONS If low side
167. filter drier NOTE Always replace the filter drier when servicing the sealed system Compressor Access and Removal Model 430 The compressor sets on top of four threaded studs and is secured with nuts over the studs See Figure 6 90 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the refrigerant from the sealed system Disconnect the compressor electricals Extract the four nuts from the threaded studs Lift the compressor until it clears the threaded studs and pull it forward to gain better access to the suction and discharge tubes Cut the suction tube and discharge tube approximately 1 from the compressor and pull the compressor out Condenser Access and Removal Model 430 The condenser is attached to the top of the unit with screws at the front and the back There are also screws at the front and back that secure the condenser fan shroud to the condenser See Figure 6 90 NOTE To access and remove the condenser the unit will need to be pulled from its installation See TIP PING WARNING HOT COMPRESSOR amp TUBING Dual Outlet Filter Drier Refrigerant Figure 6 89 Capillary Tubes Refrigerant Valves Dual Outlet Filter Drier Compressor Condenser Figure 6 90 Compressor and Condenser CAUTION and SHARP FINS CAUTION at beginning of this section Pull the unit from its installation and remove the unit shroud Then after eva
168. formation SECTION 4 SEALED SYSTEM INFORMATION Sealed System Information 400 Series gt HFC 134a REFRIGERANT SERVICE INFORMATION The 400 Series sealed system contains HFC 134a refrigerant This section gives some general rules for working with 134a and explains procedures to be followed while servicing the sealed system A CAUTION 134a refrigerant requires synthetic Ester oil in the compressor and does not tolerate contamination from other refrigerants moisture petroleum based lubricants silicone lubricants cleaning compounds rust inhibitors leak detection dyes or any other type of additive General Rules for Working with 134a Refrigerant Use equipment dedicated to 134a sealed system service only Useonly 134a refrigerant for back flushing and sweep charging Always replace the filter drier when servicing the sealed system The filter drier must be cut from the sealed system Never un braze the drier as the heat will drive moisture back into the sealed system Do not leave sealed system nor replacement compressor open to the atmosphere for more than 10 minutes When the rubber plugs are pulled from the service compressor a release of pressure should be heard If no release of pressure is heard do not use the compressor Use ONLY virgin 134a refrigerant when recharging the sealed system NOTE The 427R Refrigerator Sealed System Service Procedures for 134a are the same as those in th
169. formation 400 Series Jrsvs zenog Adjusting Wine Storage Set Points Temperature Adjustments To adjust set points press the WARMER or COLDER keys for the appropriate compartment in multiple key strokes until the desired temperature is achieved See Figure 3 7 NOTE To check what the set point is press either the WARMER or COLDER key keeping in mind that the initial key stroke will change the previous set point by a one degree increment or decrement depending on your key stroke choice NOTE The set point will be displayed for 10 seconds after the last WARMER or COLDER key stroke After the 10 second delay the compartment temperature will be displayed As the compartment temperature changes the tem perature displayed will change by no more than 1 per minute NOTE The temperature range a wine storage compartment is 38 F 3 C to 65 F 18 C The temperature range in the refrigerator drawer section of a 427R is 34 F 1 C to 45 F 7 C Adjusting lower compartment set point colder Figure 3 7 Adjusting Set Point Press COLDER or WARMER Keys Wine Storage Lighting System ON OFF For the purpose of displaying a wine supply in a 400 Series unit it is possible to energize the lights to stay ON 100 of the time even if the door is closed To do this press and release the LIGHTS ON OFF key See Figure 3 8 To disable this feature so that the lights are energized only when the door is open simply
170. frigerator electronic control monitors regulates and controls a variety of functions to include display of temperatures and possible problems with the unit But there is not a temperature alarm associated with the refrigerator electronic control Instead a drawer ajar alarm is provided Another differ ence lies in the display area where an LCD Liquid Crystal Display is used instead of LCD s The table below defines some basic 427R refrigerator electronic control system terminology and describes some of the electronic control components An understanding of the following information is needed in order to comprehend this control system Term Component Control Board Microprocessor LCD Liquid Crystal Display Control Panel Assembly Membrane Switch High Offset Cut in Low Offset Cut out Offset Temperature Range Thermistor Temperature Sensor Definition Description The printed circuit board PC Board contains the microprocessor relays and electrical connections which control and monitor all functions and operations of the unit An electrical component on the control board which receives electrical signals from other components processes that information then sends an electrical signal to the relays on the board to open or close and other electronic com ponents in the unit to switch on or off The electrical components on the control board which close or open to either allow power to the appropriate com
171. h sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 f Recharge system with Virgin 134a refrigerant Overcharge a Capture refrigerant b Replace filter drier Evacuate or sweep charge system NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 d Recharge system with Virgin 134a refrigerant Sealed System Information 400 Series Feve z noy SEALED SYSTEM OPERATION This section begins with the basic wine storage sealed system components listed in order of refrigerant flow with an explanation of their fundamental role as part of this sealed system This is followed by the 427R refrig erator sealed system then refrigerant flow diagrams of the four Sub Zero wine storage units The Sub Zero Wine storage Sealed System Components and Their Role Compressor Figure 4 1 The compressor creates a high side and low side pres sure difference in the sealed system by compressing the refrigerant gas thus raising the pressure and tem perature This high pressure high heat gas exits the discharge line and is routed around the door gasket seat except on the refr
172. he door closer disconnected remove the hinge side door trim and extract all screws from the top door hinge then lift door assembly off of bottom cabinet hinge See Figures 6 68 Louvered Grille Removal Model 430 To remove the louvered grille assembly open unit door and extract the grille screws which pass up through the top mainframe extrusion into brackets at bottom rear of grille assembly Now tilt the top of grille forward and release the grille springs from the grille hooks at the back side of the grille Then lift grille assembly off See Figure 6 69 6 31 Short Screwdriver up into holes Figure 6 68 Door Assembly Removal Grille Screw Location Figure 6 69 Louvered Grille Removal Component Access and Removal 400 Series Feve z noy Panel Grille Assembly Removal Model 430 The panel grille assembly consists of an outer and an inner grille frame The outer grille frame attaches to the unit while the inner grille frame which accepts a decorative panel is easily removable for condens er cleaning purposes There are pegs on the back side of the inner grille frame which fit in key hole slots in the outer grille frame To remove the inner grille frame lift assembly up 1 and pull out of key hole slots at the bottom 2 Then pull down and out of key hole slots at the top 3 See Figure 6 70 To remove the outer grille frame remove the inner grille frame first Now openi
173. he evaporator cover Rotate the side of the evaporator cover farthest from the false wall out slightly and push the thermistor elec trical leads and rubber grommet from the slot in the evaporator cover Now reach behind the evaporator cover and disconnect the thermistor electrical leads and remove the thermistor mounting screw See Figure 6 54 Wine Storage Evaporator Thermistors Access and Removal Models 427 amp 427R The upper and lower wine storage evaporator thermis tors are attached to the right side evaporator brackets of both evaporators with Phillips head screws See Figure 6 55 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove a wine storage evaporator ther mistor you must first remove the wine racks in the appropriate compartment Then remove the evapora tor fan cover mounting screws and the evaporator fan cover Remove the evaporator cover mounting screws towards the bottom of the evaporator cover Rotate the side of the evaporator cover farthest from the false wall out slightly and push the compartment thermistor elec trical leads and grommet from the slot in the evaporator cover You ll find a ground wire riveted to the back of the evaporator cover and the other end of the ground wire has a screw securing it to the rear wall Extract the ground screw and continue rotate the side of the evaporator cover farthest from the false wall out until the flange clears the false wall P
174. his too is shown in the left tempera ture display area with E at right indicating the evaporator temperature is being observed See Figure 3 80 Prior to serial 1728753 press UNIT ON OFF key now to Identify thermistor location NOTE During Diagnostic Mode if EE is displayed in place of a temperature reading the thermistor in that loca tion or its connections is faulty See Figure 3 81 NOTE Prior to serial 1728753 Diagnostic Mode will end ten seconds after the last key stroke Starting with serial 1728753 Diagnostic Mode will end twenty seconds after the last key stroke SERVICE y 2 f REFRIGERATOR x 2 E mJ Figure 3 79 Initiating Diagnostic Mode Press COLDER Key and UNIT ON OFF key First Reading is Refrigerator Compartment Temperature Indicated by r Prior to Serial 1728753 press UNIT ON OFF Key Now to Identify Thermistor Location SERVICE per L I A L REFRIGERATOR 2 Figure 3 80 Toggle to Next Reading Press COLDER Key Second Reading is Refrigerator Evaporator Temperature Indicated by E Prior to Serial 1728753 press UNIT ON OFF Key Now to Identify Thermistor Location SERVICE gt REFRIGERATOR 2 A ON OFF Figure 3 80 If EE is Displayed Thermistor in that Location is Faulty Prior to Serial 1728753 press UNIT ON OFF Key Now to Identify Thermistor Location 3 38 ezescd 400 Series Sealed System In
175. iagnostics in a wine storage unit Refrigerant Valve Activation Mode was incorporated into the electronic control system Refrigerant Valve Activation Mode allows you to energize either of the two valve solenoids for five minutes and observe the evaporator temperatures in the corresponding compartment When in Refrigerant Valve Activation Mode the real time thermistor temperatures are shown in the left display window of the control panel without off set adjustments The right display window will indicate which evaporator temperature you are observing To initiate Refrigerant Valve Activation Mode the unit must be ON Now press and hold the desired compartment COLDER key and the UNIT ON OFF key for ten seconds See Figure 3 43 You are now in Refrigerant Valve Activation Mode The SERVICE annunciator is illuminated and you will now see the corresponding evaporator tem perature in the left display window and the right display window indicates which evaporator temperature you re observing in the example below we chose to observe the lower evaporator temperatures See Figure 3 43 NOTE It is recommended to press either COLDER key while in Manual Valve Activation Mode in order to toggle to the other evaporator temperature reading to verify that the corresponding valve is not open NOTE Refrigerant Valve Activation Mode will end after five minutes To exit before the full five minutes press the UNIT ON OFF key to switch the unit OFF then again to
176. ible malfunctions see MODEL 427R REFRIGERATOR ERROR INDICATORS 427R DIAGNOSTIC MODE and the TROUBLESHOOTING GUIDE A WARNING OCK PO AND OR REMOVING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR OTHER ELEC TRICAL COMPONENTS EVEN WHEN UNIT IS SWITCHED OFF 115 VOLTS AC IS STILL PRESENT AT THE CONTROL BOARD Sense and Display Average Compartment Temperatures The temperature signal from the thermistor in the top drawer area inside the top Reed switch is monitored by the microprocessor and displayed on the LCD in the control panel assembly Though the compartment air temperature may fluctuate slightly the LCD in the control panel will display the average temperature See Figure 3 62 NOTE The temperature range in refrigerator drawer section of a 427R is 34 F 1 C to 45 F T C NOTE If a compartment temperature should ever exceed either the high offset or low offset for example when a door is left open the temperature displayed at the contro panel will change by 1 per minute REFRIGERATOR COLDER ARMER A UNT E ON OFF Average Compartment Temperature Reading Figure 3 62 Temperature Display Shown in degrees Fahrenheit 3 29 Electronic Control System Information 400 Series Supply Power to the Lighting System 115 Volts is supplied to the lighting system through the control board The lighting system can be disabled for the observance of certain religious days See SABBATH M
177. igerator section of the 427R to prevent sweating On the models 424 and 430 this gas is also routed through a drain pan loop to help evaporate water in the drain pan The high pressure high heat gas is then routed to the condenser Condenser Figure 4 2 The high pressure high heat gas travels through the condenser where the heat is dissipated by cooler air being drawn over the condenser tubing This changes the gas into a high pressure warm liquid before it enters the high side filter drier Filter Drier Figure 4 2 The high pressure warm liquid travels through the high side filter drier where moisture is removed from the refrigerant before it enters the refrigerant valve NOTE The refrigerator section of the 427R does not utilize refrigerant valves The high pressure warm liquid travels directly from the filter drier to the capillary tube Refrigerant Valve s Figure 4 3 The refrigerant valves open or close depending on the wine storage compartment calling for cooling When one refrigerant valve is energized open the other is de energized closed When open the refrigerant valve allows the high pressure warm liquid to enter the appro priate capillary tube ye rae HEATER HOT GAS COMPRESSOR Figure 4 1 Compressor P endis HEATER HOT GAS FILTER DRIER DUAL OUTLET Figure 4 2 Condenser amp Filter Drier COMPRESSOR
178. ings for each thermistor location a If EE is displayed for any of the locations the thermistor in that location is disconnected or defective 4 Initiate Temperature Log Recall Mode by pressing and holding the desired compartment WARMER key and the UNIT ON OFF key then register the temperature of each index for both wine storage compartments If BELL ON or SERVICE illuminate during an index indicate which one by circling it on the worksheet a By observing the temperatures logged you should be able to notice any warming or cooling trends whether this trend was in one or both compartments whether there was a power interruption BELL ON illuminate and whether the unit was switched OFF SERVICE illuminates b If double dashes are displayed the control board is defective NOTE To see the index time correlation reference Temperature Log Index Chart on page 3 23 of this manual 5 Reference the General Troubleshooting Guide with the information gathered on the worksheet 8 2 400 Series Troubleshooting Guides WINE STORAGE DIAGNOSTIC WORKSHEET Temperature Display Lower Upper Set Point Lower Upper Diagnostic Mode Thermistor Readings UE Upper Evap LE Lower Evap UP Upper Cmprt LO Lower Cmprt m x I suovzsmucr z ow 7 emrowzsewce _ ett ow 7 service 3 eet on service x _ 1 on 7 sevice _______
179. integrity of compressor electricals Check electrical connections back to con trol board Replace defective electricals or repair wiring Check for 115V AC between P5 amp P14 on the control board Correct any wiring problems or replace compressor electricals if defective If no power at between P5 amp P14 replace board NOTE Compressor will not ener gize unless evaporator is above 40 F 4 Check AMP draw on compressor If high by 15 or more replace compressor SEE SEALED SYSTEM DIAGNOSTIC INFORMATION FOLLOWING THIS GENER AL TROUBLESHOOTING GUIDE Check electrical connections to thermistor and check thermistor ohms 30 000 33 000 at 32 F 0 C Repair connections or replace if defective Check control cable and connections between control panel and Methode connector on back duct Reconnect repair or replace if defec tive Check wiring from Methode connector on back duct to electronic control board Reconnect repair or replace if defective Faulty Control Panel or Electronic If unit passes all tests above replace control Control Board panel and electronic control board Initiate Diagnostic Mode If EE is displayed for evap temp check thermistor electrical con nections back to control board Correct wiring problems If wiring is OK verify thermistor is in correct location Relocate if needed Check thermistor ohms 30 000 33 000 at 32 F 0 C Replace if defective Check thermistor oh
180. l System Information MODEL 427R BASIC REFRIGERATOR ELECTRONIC CONTROL SYSTEM Input operations for the refrigerator electronic control system are performed at the control panel with monitoring regulating and controlling functions taking place at the control board Temperatures and possible problems with the unit are displayed at the control panel LCD The diagrams on this page illustrate the refrigerator electronic control system See Figure 3 53 for units prior to serial 1944319 see Figure 3 54 for units starting with serial 1944319 The entire 427R refrigerator electronic control system is described in greater detail following in this page EVAPORATOR FAN MULLION HEATER EVAPORATOR FAN MULLION HEATER CONDENSER FAN RELAY BOARD em TUP DRAWER POWER TD SWITCH IN WINE COMPRESSOR 15 COMPRESSOR TOP DRAWER LIGHT BOTTOM 58 558 DRAWER CONTROL PANEL TOP DRAWER DOOR ALARM EVAPORATOR THERMISTOR RELAYS MICROPROCESSOR CONTROL BOARD TOP DRAWER I CABINET THERMISTOR BEHIND TOP DOOR SWITCH ee 558 CONTROL PANEL CIN TOP DRAWER DOOR ALARM EVAPORATOR THERMISTOR CONDENSER FAN RELAYS I MICROPROCESSOR CONTROL CABINET THERMISTOR BEHIND TOP DOOR SWITCH Figure 3 54 Model 427R Refrigerator Electronic Control System Starting with
181. lat nut on the fan motor shaft counterclockwise then pull the blade from the shaft Refrigerant Valve Solenoid Access and Removal Model 424 To access the refrigerant valve solenoids the unit will need to be pulled from its installation See TIPPING WARNING at beginning of this section NOTE If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installation See Figures 2 2 If the brackets were not used shims may have been wedged along the sides and top Remove the access panel from the bottom back of the unit Remove the door closer See DOOR CLOSER WARNING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the left side and loosen the four screws on the right side Separate the unit tray from the cabinet by leaning the cabinet to the right then insert a spacer between the cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Disconnect the electrical leads to the solenoid being removed See ELECTRI CAL SHOCK WARNING at beginning of this section The solenoid is secured to the refrigerant valve with a screw at the top Remove the screw and lift the sole noid up off the valve 6 6 Ground Screw Condenser Fan Assembly Screws Figure 6 7 Condenser Fan Assembly Remove Screws on this side Loosen Screws on
182. lease LIGHTS ON OFF key then depress light switch Repeat steps If no effect replace switch GIZE IN ONE OR BOTH WINE STORAGE COM Lights Burned out Plug in known good lights If they work PARTMENTS replace defective lights Light Switch Disconnected or Check light switch operation and electrical Malfunctioning connections Check for 115V AC to and from Switch Reconnect wires or replace switch if defective No Power from Control Board Check for 115V AC between P10 of J3 and E3 on control board NOTE make sure unit is not in Sabbath Mode If no power replace board Troubleshooting Guides 400 Series gt K CONTROL PANEL KEYS Control Panel Ribbon Cable Plugged in Check control panel ribbon cable silver area INOPERABLE OR MAL Wrong on the ribbon cable terminal should be facing FUNCTIONING away from the control board Plug in correct ly if incorrect Control Panel or Ribbon Cable SEE CONTROL PANEL TEST PROCEDURE Defective OR No Signal Read at AT BACK OF TROUBLESHOOTING GUIDE Control Board SECTION L LED s DO NOT ILLUMINATE Unit Switched OFF Press UNIT ON OFF key Led Ribbon Cable Plugged in Wrong Check LED ribbon cable Plug in correctly if incorrect No Data from Control Board Replace Control Board M ALL LED s STAY ILLUMI Bad Data from Control Board Replace Control Board NATED N SAME SEGMENT S MISS Bad Data from Control Board Replace Control Board ING FROM BOTH DISPLAY WINDOWS O SEGMENT S MIS
183. lectrical shock HIGH VOLTAGE 115 VOLTS 60 CYCLES EVAPORATOR UPPER FAN SWITCH veLLow EVAPORATOR FAN MOTORS LOWER LIGHT SWITCH LIGHTS LIGHTS 0000000 SOLENOID LOWER 295 WINE CONTROL BOARD 0000000 SOLENOID UPPER 295 M CONDENSER FAN MOTOR COMPRESSOR STARTING RELAY M COMPRESSOR MEMBRANE SWITCH STER 3 EVAPORATOR BLUE W WHITE BLUE W WHITE BLUE W BLACK BLUE W BLACK BLUE W RED STER 4 BLUE W YELLOW C UPPER EVAPORATOR ORANGE W YELLOW DISPLAY WHITE W RED WHITE W BLUE GRAY W WHITE WINE CONTROL BOARD N 10 11 TISA 39NVHO duni vHdWal S3SN3S NOIVHOdVA3 ES ALdW3 MOTI3A 3Q18 dunivsdWal SASN3S WOIVHOdVA3 ALdW3 GQ3H J39NVHO dunivsdWal SASN3S WHOIVHOdVA3 H3MOT anig INSWLYVdNOD YJMO1S1009 9 3 IVA GION31OS H3MOT qasanis dunivsdWal SASN3S HO1VHOdVA3 H3JMOT 39NVHO 001 NO SLHST1N3
184. mounting screws from the hinge side of the door Locate the Poly tape under the gasket on the handle side which covers the handle mounting screw holes See figure 2 15 Remove the tape then extract the handle mounting screws and pull the handle from the front of the door Now lift the stainless steel panel from the hinge side Figure 2 21 Model 430 first pivoting it off of the handle side of the door See Hinge Side Trim Removal Figure 2 22 Door Assy Handle Door Hinges amp Screw Screws not shown To install a stainless steel panel reverse the steps above Framed amp Overlay Door Panel Removal and Installation Model 430 NOTE Framed and overlay panels are attached to the door of a 430G F 430HAG F 430G O 430HAG O 430S F and 430S O by sliding the 1 4 thick edge of the panel under the door trim On the handle side of mod els 430G O and 430S O additional screws passing through the door frame from the rear into the panel may have been used for increased support On the 430G O 430HAG O and 430S O the handle may also be attached through the door frame or just through the panel To remove a framed or overlay panel you must first remove the handle or trim on handle side if overlay application Using a piece of tape stuck to the center of the magnetic trim molding pull the trim molding out at the midpoint to expose the handle mounting screws See Figure 2 23 Remove the mounting screws and
185. mp holding the fan wires Then remove the four screws from the fan bracket and disconnect the fan motor electrical leads See Figure 6 58 Motor Mounting Screws Fan Motor EN Fan Blade Figure 6 58 Evaporator Fan Assembly 6 27 MODELS 427 AND 427R SEALED SYSTEM COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section NOTE Always replace the filter drier when servicing the sealed system Upper and Lower Wine Storage Evaporator Access and Removal Models 427 amp 427R The wine storage evaporators are mounted to the rear wall in each wine storage compartment with Phillips head screws See Figures 6 59 NOTE See SHARP EVAPORATOR FINS CAUTION at beginning of this section Before accessing and removing a wine storage evapo rator evacuate the refrigerant from the sealed system Then remove the wine racks Remove the evaporator fan cover mounting screws and the evaporator fan cover Remove the evaporator cover mounting screws towards the bottom of the evaporator cover Rotate the side of the evaporator cover farthest from the false wall out slightly and push the compartment thermistor elec trical leads and rubber grommet f
186. ms 30 000 33 000 at 32 F 0 C Replace if defective If thermis tors are OK replace control board Control Set Too Cold Check set points Adjust set points WARMER a Move obstruction b Reinstall drawer c Trip closer forward or replace if defective Jreus zenog 400 Series Troubleshooting Guides W 1 EXTREMELY COLD 1 Control Set to Display Celsius but 1 Initiate Temperature Units Selection Mode TEMPERATURES DIS Customer Thought it Was and select Fahrenheit units of measure PLAYED IN REFRIGERA Fahrenheit TOR 1 TO 7 2 If outside US this could be EXTREMELY If Outside US Control Set to 2 Initiate Temperature Units Selection Mode WARM TEMPERATURES Display Fahrenheit but Customer and select Celsius units of measure DISPLAYED IN REFRIGER Thought it Was Celsius ATOR 34 TO 45 X LIGHTS STAY ON WITH Reed Switch Wiring Check wiring between Reed switch and con DRAWER CLOSED trol board Rewire if incorrect Y LIGHTS WILL NOT ENER Unit in Sabbath Mode Press amp release UNIT ON OFF key GIZE Lights Burned out Plug in known good lights If they work replace defective lights Reed Switch Disconnected or Check Reed switch operation and electrical Malfunctioning connections Check for 5V DC to and from switch Reconnect wires or replace switch if defective No Power from Control Board Check for 115V AC between P7 and P5 on control board NOTE make sure unit is not in Sabbath Mode I
187. n drawer slide assembly remove the drawer first NOTE The top drawer has a control cable that must be disconnected before drawer removal To remove the top drawer assembly pull top drawer forward 6 to 10 lift it up off of the pins at front and push the slides in Carefully place the drawer assembly face down directly in front of unit Then disconnect the display cable at interior left rear of the unit by turning the collar counter clockwise and unplugging the pins from the socket See Figure 6 32 To remove the bottom drawer assembly open the draw er and lift the front of the drawer up off of the pins at the end of the drawer slides Then pull the drawer assem bly forward and out Now extract the drawer slide mounting screws with a 5 32 Allen head wrench and pull the drawer slide assembly out See Figure 6 39 Drawer Closer Removal Model 427R ONLY The drawer closer assemblies are attached to the right side of the refrigerator compartment with two screws To remove a drawer closer assembly remove the draw er first NOTE The top drawer has a control cable that must be disconnected before drawer removal To remove the top drawer assembly pull top drawer forward 6 to 10 lift it up off of the pins at front and push the slides in Carefully place the drawer assembly face down directly in front of unit Then disconnect the display cable at interior left rear of the unit by turning the collar counter clockwise an
188. ne Year TOTAL PRODUCT warranty parts and labor Five year LIMITED SEALED SYSTEM warranty sealed system parts only ONE amp FIVE YEAR Display Model Home Warranty Summary Display units sold three years after date of manufacture One Year TOTAL PRODUCT warranty parts and labor Five year LIMITED SEALED SYSTEM warranty sealed system parts only MODEL 424610 Refrigerant Charge Running Amps Warranty Details Total Product Parts includes but is not limited to the following Electronic Control System Components Fan amp Light Switches Fan Motors amp Blades Defrost amp Drain Heaters Defrost Terminators Drain Pans Drain Tubes Wiring Light sockets amp bulbs Door hinges Door closers amp Cams Compressor Electricals etc Sealed System Parts include the following Compressors Condensers Evaporators Filter Driers Heat exchangers All Tubing That Carries the Freon NOTE Condenser Fan Motors Freon Solder and compressor electricals are NOT considered sealed system parts Warranty Notes All warranties begin at the time of the unit s initial installation All Warranty and Service information collected by Sub Zero is arranged and stored under the unit serial number This information is now also stored under the customer s last name NOTE Sub Zero still requests that you have the model and serial number available whenever contacting the fac tory or parts di
189. ne racks all cabinet slides cabi net slide spacers and cabinet slide support spacers in the upper compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the evaporator cover Extract the evaporator mounting screws Now remove the access panel from the bottom back of the unit and the heat exchanger duct cover Remove the door closer See DOOR CLOSER WARNING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the left side and loosen the four screws on the right side Separate the unit tray from the cabinet by leaning the cabinet to the right then insert a spacer between the cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Cut the cap tube from the outlet port of the refrigerant valve and cut the suction line from the T connector Then pull the evaporator assembly from the front of the unit 6 12 Evaporator Assembly Includes Heat Exchanger Figure 6 23 Evaporator Heat Exchangers T Connection Under cabinet Figure 6 24 Suction T Connection FE zerod 400 Series Component Access and Removal Figure 6 25 Capillary Tube Refrigerant Valve Filter Drier Lower Evaporator Assembly Access and Removal Model 424 The evaporator assembly consists of the evaporator and heat exchanger The evaporator is mounted to the rear wall with Phillips head screws and the heat exchang
190. ng unit door s and extract the grille screws which pass up through the top mainframe extrusion into bottom extrusion of outer grille frame Now extract the screws at the top front of outer grille frame and lift frame off See Figure 6 71 Light Switch and Fan Switch Access and Removal Model 430 The light and fan switches are mounted to the top mainframe and held in place by tabs on the sides of the switches A switch cover over the top of the switches is held in place with a screw NOTE See ELECTRIC SHOCK WARNING at beginning of this section To access and remove the light and or fan switch es the unit grille will need to be removed first Now remove the switch enclosure directly behind the top mainframe extrusion by extracting the retaining screw Tilt the back of the switch enclosure forward and lift up Now unplug the wires from the switch being removed Open the door Depress the tab on the side of the switch while pushing the switch down and out of the opening in the mainframe extru sion See Figure 6 72 Inner Grille Panel Assembly Outer Frame XL Om gt Figure 6 72 Light Switch and Fan Switch 6 32 E zerod 400 Series Component Access and Removal Condenser Fan Assembly Access and Removal Model 430 The condenser fan motor is attached to a three legged condenser fan bracket by screws The back leg of the condenser fan bra
191. nit switched OFF press and hold the UNIT ON OFF key for ten seconds See Figure 3 21 To return to normal lighting operation press and release the UNIT ON OFF key See Figure 3 22 NOTE Sabbath Mode must be initiated separately in the refrigerator section of model 427R 2 WINE STORAGE WINE STORAGE J v ss zz ss 4 233 Figure 3 22 Exit Sabbath Mode Press and Release UNIT ON OFF Key 3 14 400 Series Electronic Control System Information Showroom Mode Showroom Mode was incorporated into the electronic control of the wine storage units to allow product distributors and dealers to display a 400 Series unit without actually having it cooling To initiate Showroom Mode the unit must be switched OFF See Figure 3 23 With the unit switched off press and hold the upper compartment COLDER and WARMER keys and press the UNIT ON OFF key then release all three keys See Figure 3 24 The unit is now in Showroom Mode All cooling functions are disabled but the lighting system remains energized This allows the lights to be switched ON and OFF either by the door light switch or the LIGHTS ON OFF key on the control panel This also allows the LED s for the temperature displays to illuminate the BELL ON annunciator can be illumi nated by pressing the bell key the COLDER and WARMER keys will function to simulate adjusting the set point and the unit can seemingly be switched ON and
192. nivesadiWal SASNAS J3NI8VO Y3ddN td 51009 3AVA GIONS1OS Ov Igrania 31IHHMWaAN 18 IUNLVYIAdWN3L SASNAS JunivesadWal SASNAS 13NI8VO td AldW3 6d Il3NISVO H3MOT SLIHM GQ4VOS OLNI WHLNAN TVHLnaN Old 31IHMaN18 3301 1V333dW31 SASNAS AANISVO H3MO T 1 AldW3 Ld SLInoadlo H3 ISIWHSHL er JIHAVAVH9 SWHV IV SWOH er NONWINOO LICYOSIO WHY 3N19 LHM SWYY TV Q3SO 10 ATIVNYON LINDYID WAV SIHSI1S33MOd SLHOM 3 Q33 1HM SWaHV Iv 3AOH 404 N3dO ATIVWHON LINDYID WHV IV ld AVHO HOSS3HdlAOO SH3MOd 34OSS33HdNOO za ALINDYIO WAV V er MOVv18 OLNI H3MOd NI H3MOd ba SLICYOWIO SOVLIOA MOT SLINDUID LIOA 01 40709 NOILONNA NOLLdIMOS3G LINDO NOLLdIMOS3G LINDUID LONOAV1 AYVININNS QHVOS 1OULNOD 591935 007 LINAWLYVdWODS LNAWLYVdNOS H3MO T1 0 SENSOR UPPER EVAP MOTIBA IM LIGHT TUBE MOTZA IM 3018 SWITCH SWITCH HEATSHRINK IM 38 M3ONVEO SENSOR LOWER EVAP l gt LIGHT E LOWER SOLENOID 3H M L M 3 NVSO Z
193. ocate and remove restriction or locate and replace part NOTE If restriction is due to Back flush high side of sealed system sealed system being contami Replace filter drier nated see Contaminated Evacuate or sweep charge system Sealed System above NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 f Recharge system with Virgin 134a refrigerant Overcharge a Capture refrigerant b Replace filter drier Evacuate or sweep charge system NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 d Recharge system with Virgin 134a refrigerant Troubleshooting Guides 400 Series j WINE STORAGE MEMBRANE SWITCH RIBBON CABLE TEST PROCEDURE The membrane switch is that part of the control panel assembly consisting of the function keys used for all input functions to the electronic control system See Figure 8 1 Below is the procedure to follow if the integrity of the membrane switch and or its ribbon cable is suspect To perform these tests the ribbon cable terminal
194. of the unit tray See Figure 6 25 The upper compartment valve is the farthest left After evacuating the refrigerant from the sealed system begin the access and removal procedure by removing the access panel from the bottom back of the unit Remove the door closer See DOOR CLOSER WARN ING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the left side and loosen the four screws on the right side Separate the unit tray from the cabinet by leaning the cabinet to the right then insert a spacer between the cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Remove the screws securing the valve to the valve bracket and pull the valve upward slightly Cut the cap tube from the outlet port of the refrigerant valve and cut the filter drier stub from the inlet port of the valve Filter Drier Access and Removal Model 424 The filter drier is located on the left hand side of the unit tray The filter drier used on the 400 Series has dual outlet ports that connect to both refrigerant valves See Figure 6 25 After evacuating the refrigerant from the sealed system begin the access and removal procedure by removing the access panel from the bottom back of the unit Remove the door closer See DOOR CLOSER WARN ING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the left side and loosen the four screws on the right side
195. om pressor to motor Reconnect or repair wires or replace motor if defective Check electrical connections and power at 427R condenser fan relay Reconnect or replace relay if defective Check thermistor ohms 30 000 33 000 at 32 F 0 C Replace if defective Troubleshooting Guides 400 Series Feve z noy PROBLEM POSSIBLE CAUSE TEST ACTION Continued Q WARM TEMPERATURE IN REFRIGERATOR COM PARTMENT Compressor Fault a Compressor Electricals Disconnected or Malfunctioning See Pointers on previous page b Compressor Inefficient or Locked Sealed System Leak or Restriction EE and SERVICE FLASHING Before serial 1728753 the Drawer Location Annunciators will flash Compartment Thermistor Fault EO OR E3 and SER VICE FLASHING Before serial 1728753 the Drawer Location Annunciators will flash Control Cable Disconnected or Faulty Disconnected or Faulty Wiring between Back Duct and Electronic Control Board SERVICE ALONE FLASH ING Before serial 1728753 the Drawer Location Annunciators will flash Evaporator Thermistor Fault PRODUCT TEMPERATURE IN REFRIGERATOR 10 OR MORE COLDER THAN DIS PLAYED TEMPERATURE Compartment Thermistor Fault Misread COLD TEMPERATURE DIS PLAYED IN REFRIGERA TOR COMPARTMENT Drawer Ajar A Food Product Obstruction B Drawer Not Installed Correctly C Drawer Closer Tripped Forward a Check
196. on explains the temperature alarm feature and the audio and or visual error indicators that may alert a customer of a malfunction NOTE If the temperature alarm feature is tied into a home security system the connections are made using the security system s logic If problems occur between the wine storage unit and the security system then a home security system technician should be contacted NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See 427R REFRIGERATOR SECTION POSSIBLE ERROR INDICATORS Warm Temperature Alarm A warm temperature alarm occurs if either wine storage compartment temperature remains excessively warm for too long causing several consecutive maximum run time cycles During a warm temperature alarm you will notice warm temperature readings displayed at the control panel and the SERVICE annunciator will flash See Figure 3 26 A warm temperature alarm will also cut power to the compressor condenser fan both refrigerant valves the lights and the evaporator fans via the relays on the control board If the BELL ON feature has been enabled by pressing the bell key on the control panel the BELL ON annunciator will also flash and the audible alarm will beep See Figure 3 27 NOTE To clear the warm temperature alarm press the UNIT ON OFF key to switch the unit Off then press it again to switch the unit back ON See Figure 3 28 eh oo Sel
197. oor Assy SRVC 424S O Does not include hinges 4134220 Door Assy SRVC 424S S RH Does not include hinges 4134230 Door Assy SRVC 424S S LH Does not include hinges 4135063 Door Assy SRVC 424S B RH Does not include hinges 4135064 Door Assy SRVC 424S B LH Does not include hinges 4135073 Door Assy SRVC 424S P RH Does not include hinges 4135074 Door Assy SRVC 424S P LH Does not include hinges 2 4132720 Door Assy 424Glass O 424G O 4134360 Door Glass Assy High Altitude 424HAG O 4132730 Door Assy 424Glass S 424G B 424G P 424G S 4134370 Door Glass Assy High Altitude 424HAG B 424HAG P 424HAG S 4132980 Door Assy 424Solid O 424S O 4132990 Door Assy 424Solid S 424S B 424S P 424S S 3 3212020 Seal Center 4 6201360 Screw 4 x 3 4 Ph Pan Hd Type A 5 3450990 Switch Depressor Black 3450991 Switch Depressor Silver 6 6200050 Screw 10 12 x 1 2 Pan HD re 3211950 Gasket Door 8 4203150 SS Door Panel Pkg Glass 424RH 424G S RH 4203160 SS Door Panel Pkg Glass 424LH 424G S LH 4135141 Door Skin Assy SRVC 424G B RH 424G B 424HAG B 4135142 Door Skin Assy SRVC 424G B LH 424G B 424HAG B 4135151 Door Skin Assy SRVC 424G P RH 424G P 424HAG P 4135152 Door Skin Assy SRVC 424G P LH 424G P 424HAG P 4203190 SS Door Panel Pkg Solid 424RH 424S S RH 4203200 SS Door Panel Pkg Solid 424RH 424S S RH 4135161 Door Skin Assy SRVC 424S B RH 424S B 4135162 Door Skin Assy SRVC 424S B LH 4245 8 413
198. op cen ter of the control panel housing help to position the con trol panel assembly NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To remove the control panel assembly first access the control board and disconnect the lower light strip electri cal leads LED ribbon cable and the membrane switch ribbon cable Then extract the six screws at the bot tom of the control panel Now slide the blade of a putty knife under and along the top flange of the control panel housing to break the silicone seal See Figure 6 51 NOTE Do not lift the top flange of the control panel housing too vigorously Doing so will break the con cealed tab at the top center After breaking the silicone seal pull the control panel assembly forward and disconnect the ground wire NOTE When reinstalling the control panel assembly you must reapply a bead of silicone along the inside of the top flange Lower Light Strip Access and Removal Models 427 amp 427R NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The lower light strip is held in the channel of the light strip housing which attached to the control panel assembly To remove the lower light strip you will first need to remove the control panel assembly Now slide the light strip housing off of the control panel assembly Then slide the light strip out the end of the channel in the housing See Figure 6 52 Refrigerator Section Control Panel Assembly
199. op drawer has a control cable that must be discon nected before drawer removal To remove the top drawer assembly pull top drawer forward 6 to 10 lift it up off of the pins at front and push the slides in Carefully place the drawer assembly face down directly in front of unit Then disconnect the display cable at interior left rear of the unit by turning the collar counter clockwise and unplugging the pins from the socket See Figure 6 32 To remove the bottom drawer assembly open the draw er and lift the front of the drawer up off of the pins at the end of the drawer slides Then pull the drawer assem bly forward and out Upper and Lower Hinge Assembly Removal Models 427 amp 427R The hinge assemblies are attached to the door with Allen head screws and to a hinge mounting bracket with Allen head bolts See Figure 6 33 6 16 Remove two inner most screws at top and bottom hinge with door open 2 Remove two outer most screws at bottom hinge first then at top with door Turn collar counterclockwise to disconnect Figure 6 32 427R Ref Control Cable 400 Series Component Access and Removal NOTE See HEAVY DOOR WARNING and DOOR CLOSER CAUTION at beginning of this section To remove a hinge assembly you will need to remove the door first Begin by opening the door and removing both hinge covers Then with an Allen head wrench remove the four door mounting screws from th
200. or Sealed System Components and Their Role 4 6 Sealed System Refrigerant Flow Diagrams 4 8 Model 424 Refrigerant Flow 4 8 Model 427 Refrigerant Flow 4 8 Model 427R Refrigerant Flow 4 9 Model 430 Refrigerant Flow 4 9 Section 5 Air Flow amp Fan Blade Spacing Air Flow Diagrams amp Fan Blade Spacing 5 2 Air Flow amp Fan Blade Spacing Model 424 5 2 Air Flow amp Fan Blade Spacing Model 427 5 2 Air Flow amp Fan Blade Spacing Model 427R 5 3 Air Flow amp Fan Blade Spacing Model 430 5 3 Section 6 Component Removal Adjustment WARNINGS amp CAUTIONS 4 eene 6 2 Model 424 Model 424 Exterior Cosmetic and Mechanical Component Access amp Removal 6 3 KiGkplale 4 eases dti Ee veered eatin 6 3 ee 6 3 DOOF Ap 6 4 Light amp Fan Switches sss 6 4 Exterior Wrap Components 42425 ONLY 6 5 Condenser Fan Assembly 6 6 Refrigerant Valve Solenoid 6 6 Model 424 Interior Cosmetic Component Access 8 Removal 6 7 Wine Rack Assembly
201. orator brackets with a Phillips head screw NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access an evaporator thermistor first remove the wine racks from the compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the evaporator cover Extract the evapo rator support cover mounting screws from the right side evaporator support cover and pull the evaporator sup port cover out Extract the screw from the thermistor and disconnect the thermistor electrical leads See Figure 6 86 Thermistor Screw Thermistor Figure 6 86 Evaporator Thermistor 6 37 Component Access and Removal 400 Series Feve z noy Evaporator Fan Assembly Access and Removal Model 430 The evaporator fan assemblies are attached to the rear wall by four Phillips head screws NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To remove an evaporator fan assembly first remove the wine racks in the compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the evaporator cover Pull the fan blade from the fan motor shaft Extract the screw from the P clamp holding the fan wires Then remove the four screws from the fan bracket and disconnect the fan motor electrical leads See Figure 6 87 Fan Motor Motor Mounting Screws Fan Blade Figure 6 87
202. orator fan assembly first remove the two wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the upper compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the evaporator cover Pull the fan blade from the fan motor shaft Extract the screw from the P clamp hold ing the fan wires Then remove the four screws from the fan bracket and disconnect the fan motor electrical leads See Figure 6 22 Motor Mounting Screws Fan Blade Figure 6 22 Evaporator Fan Assembly Lower Evaporator Fan Assembly Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The lower evaporator fan assembly is attached to the rear wall by four Phillips head screws To remove the lower evaporator fan assembly first remove the three wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the lower compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the lower evaporator cover Pull the fan blade from the fan motor shaft Extract the screw from the P clamp holding the fan wires Then remove the four screws from the fan bracket and disconnect the fan motor elec trical leads See Figure 6 22 Component Access and Removal 400 Series Feve z nod MODEL 424 SEALED SYSTEM COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc
203. ot include hinges or handle 4134916 Door Assy SRVC 430G P LH Does not include pindes or handle 4134917 Door Assy SRVC 430HAG P High Altitude Does not include hinges or handle 4134918 Door Assy SRVC 430HAG P LH igh Altitude Does not include hinges or handle 4134280 Door Assy SRVC 430S F amp O RH Does not hinges or handle 4134290 Door Assy SRVC 430S F amp O LH Does not include hinges or handle 4134300 Door Assy SRVC 430S S RH ae not include hinges 4134310 Door Assy SRVC 430S S LH Does not include hinges 4133793 Door Assy SRVC 430S B RH Does not include hinges or handle 4133794 Door Assy SRVC 430S B LH Does not include hinges or handle 4134923 Door Assy SRVC 430S P RH Does not include hinges or handle 4134924 Door Assy SRVC 430S P RH Does not include hinges or handle 2 4132760 Door Assy 430Glass 4134400 Door Glass Assy High Altitude 430 4133020 Door Assy 430Solid 3 3212040 Seal Center 4 6201360 Screw 4 x 3 4 PH PAN HD TYPE A 5 3421380 Depressor Switch 430G F amp O 430G P 430G S 430S F amp O 430S P 430S S 3421381 Depressor Switch B 430G B 430S B 6 6200720 Screw 8 18 x 1 2 PH Truss HD 430G F amp O 430G P 430G S 430S F amp O 430S P 430S S 6200721 Screw 8 18X1 2 Ph Low Prfl B 430G B 430S B T 3211980 Gasket Door 8 4203170 SS Door Panel Pkg Glass 430RH 430G S RH 4203180 SS Door Panel Pko Glass 430LH 430G S LH 4133881 Door Skin Assy SRVC 430G
204. oval Models 427 amp 427R The refrigerant valves are located to the right of the compressor s on the unit tray and are held to the valve bracket with P clamps and screws The top valve is for the upper wine storage compartment and the bottom valve is for the lower wine storage compartment See Figure 6 61 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the refrigerant from the sealed system you will need to slide the unit tray out See Figure 6 34 NOTE Move tray slowly and observe the sealed sys tem tubing Care must be taken to not kink any of the tubing Now cut the capillary tube approximately 1 from the refrigerant valve and cut the valve inlet tube approxi mately 3 from the refrigerant valve See Figure 6 61 Wine Storage Filter Drier Access and Removal Models 427 amp 427R The wine storage filter drier which has two outlet tubes is located to the left of the condenser on the unit tray One outlet tube runs to the top refrigerant valve and the other tube runs to the bottom refrigerant valve See Figure 6 61 NOTE See HOT COMPRESSOR amp TUBING CAU TION at beginning of this section After evacuating the refrigerant from the sealed system you ll need to slide the unit tray out See Figure 6 34 6 28 Refrigerant Valves Wine Storage Dual Outlet Filter Drier Figure 6 61 Capillary Tubes Refrigerant Valves Du
205. p Evaporator Fan Motor Signal Trace Upper Wine Storage Compartment Calling for Cooling Starting with Serial 1944319 3 11 Electronic Control System Information 400 Series Monitor and Control Wine Storage Off cycle Defrost The temperature signals from the compartment thermistor and evaporator thermistor are monitored by the electronic control Since the evaporator thermistor governs the cut in the evaporator will fully defrost rising above cut in tem perature before calling for cooling See Figure 3 16 zi 115 VOLTS 60 CYCLES oooooooo WINE CONTROL BOARD 900 LOW VOLTAGE THERMISTER 3 AN LOWER EVAPORATOR BLUE WIRED THERMISTER 4 ORANGE WIRED BLUE WYELLOW np UPPER EVAPORATOR ORANGE W YELLOW 7 mmm maaan Sensing temperatures below Cut in Figure 3 16 Temperature Sensed at Evaporators is Below Cut in No Cooling is Called For Evaporators Defrost 3 12 400 Series Electronic Control System Information UNIQUE WINE STORAGE ELECTRONIC CONTROL INPUT OPERATIONS This section illustrates unique wine storage electronic control input operations performed at the control panel that you would not expect a customer to perform eve
206. ponent s or interrupts power from reach ing appropriate component s For our purposes this is the part of the control panel which electronically dis plays temperature values and possible error signals The information input and read out area of the electronic control system located inside the top drawer assembly at top front An integral part of the control panel assembly which consists of the function keys used for all input functions to the electronic control system The buttons on the Membrane switch used for input functions The keys are UNIT ON OFF ALARM drawer ajar alarm ON OFF COLDER WARMER The words and numbers that are displayed at the control panel assembly Example Temperature readings drawer indicator drawer ajar bell The desired compartment temperature This is the approximate average of the high offset and the low offset During normal operation this is the maximum compartment air temperature that the electronic control system will allow before calling for cooling During normal operation this is the minimum compartment air temperature that the electronic control system will allow before interrupting cooling The difference between the low offset and the high offset A resistor with which resistance changes as the temperature around it changes For electronic control system purposes the microprocessor deci phers this resistance as temperature 3 24 Y 24 400 Series Electronic Contro
207. poses only The only time pressures should be checked is if a sealed system problem is suspected after trouble shooting through the control panel LOW SIDE PRESSURES 8 psi to 38 psi HIGH SIDE PRESSURE 90 psi to 100 psi COMPRESSOR SERVICE PART NUMBER 4201880 MANUFACTURER Embraco MFG PART NUMBER EMI30HER SERVICE COMPRESSOR AMPS 0 9 SERVICE COMPRESSOR BTU s 280 DEFROST METHOD Off Cycle Defrost Evaporator s gt 39 F 4 to 66 F 19 C depending on set point before calling for cooling REFRIGERANT SOLENOID VALVES SERVICE PART NUMBER 4290350 WATTS 7 5 AMPS 0 1 OHMS 160 360 EVAPORATOR FAN MOTORS SERVICE PART NUMBER 3150680 WATTS 6 5 AMPS 0 1 OHMS 55 THERMISTORS SERVICE PART NUMBER 3014350 OHMS at 32 F 0 C 30000 33000 Technical Data 400 Series Feve zency MODEL 427R TECHNICAL DATA TABLE WINE STORAGE REFRIGERATOR REFRIGERANT CHARGE R 134a Refrigerant 3 5 Ounces NORMAL SYSTEM OPERATING PRESSURES NOTE These pressure readings are for verification purposes only The only time pressures should be checked is if a sealed system problem is suspected after trouble shooting through the control panel LOW SIDE PRESSURES 8 psi to 38 psi 10 psi to 40 psi HIGH SIDE PRESSURE 90 psi to 100 psi 90 psi to 100 psi COMPRESSOR SERVICE PART NUMBER 4201880 4201880 MANUFACTURER Embraco Embraco MFG PART NUMBER EMI30HER EMI30HER SERVICE COMPRESSOR AMPS 0 9 0 9 SERVICE COMPRESSOR BTU s 280 280 DEFR
208. pplied to the lighting system so it is possible to energize the lights to stay ON 100 of the time even if the door is closed See Wine Storage Lighting System ON OFF The lighting system can also be disabled for the observance of certain religious days See Sabbath Mode The illustration below shows normal operation with 115 Volts AC supplied to the lighting system See Figure 3 11 A WARNING ELECTRIC SHOCK HAZARD 115 VOLTS IS STILL PRESENT AT THE CONTROL BOARD AND LIGHT SWITCH WHEN LIGHTS ARE DISABLED a 115 NELIT 60 CYCLES EVAPORATOR UPPER FAN SWITCH EVAPORATOR FAN MOTORS LOWER LIGHT SWITCH BROWN ORANGE LIGHT oooooooo oooooooo ORANGE LIGHT SOLENDID LOWER PE IMAM SCLENDID UPPER 24A d WINE CUNTRDL BOARU gogoogooooo00 M CONDENSER FAN MDTDR COMPRESSOR STARTING RELAY OVERLOAD PROTECTOR M COMPRESSOR WHITE Signal trace from P7 if lights switched ON 100 at LIGHTS ON OFF key on control panel Figure 3 11 Lighting System Signal Trace 3 8 400 Series Electronic Control System Information Supply Power to the Evaporator Fans Prior to serial 1944319 a continuous 115 Volts AC is supplied to the evaporator fan switch so the evaporator fans run 100 unless the door is open or the unit is in Showroom Mode
209. press and release the LIGHTS ON OFF key again Figure 3 8 Light System ON OFF Press LIGHTS ON OFF Key Wine Storage Alarm BELL ON OFF Temperature alarm The 400 series has an audio visual temperature alarm that can be enabled to warn the customer if the unit is experi encing excessive warm or excessive cold temperatures To enable the alarm press and release the key with the bell on it See Figure 3 9 If the alarm is enabled the BELL ON annunciator will illuminate To disable the alarm simply press and release the key with the bell on it again and the BELL ON annunciator will de energize NOTE If the alarm bell is enabled and there is a temperature problem the BELL ON annunciator will flash and the audible alarm will beep The alarm feature can also be tied in with a home security alarm system This will be explained later in this manual 3 6 400 Series Electronic Control System Information FUNCTION OF THE WINE STORAGE ELECTRONIC CONTROL SYSTEM This section explains the monitoring regulating and controlling functions of the wine storage electronic control sys tem The electronic control system in the refrigerator section of the model 427R will be explained later in this manu al NOTE All electronic control functions described in this section are normal operation only For possible malfunc tions see WINE STORAGE TEMPERATURE ALARM FEATURE AND POSSIBLE ERROR INDICATORS section the WINE S
210. pressure is amp high side pressure is possible problem is NORMAL NORMAL MECHANICAL see General Troubleshooting Guide LOW LOW LEAK LOW HIGH RESTRICTION HIGH LOW INEFFICIENT COMPRESSOR HIGH HIGH OVER CHARGE NOTE The 427R Refrigerator Sealed System Service Procedures for 134a are the same as those in the table at right except for the NOTE in the second column of the table 8 16 400 Series Troubleshooting Guides WINE STORAGE SEALED SYSTEM REPAIR PROCEDURES Problem Service Procedures Non Operating Inefficient a Capture refrigerant Noisy Compressor b Replace Compressor C Replace filter drier NOTE To check for a non d Evacuate or sweep charge system operating compressor ahard NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due start kit can be used to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual Valve Activation Mode in Section 3 e Recharge system with Virgin 134a refrigerant High Side leak i Capture refrigerant Repair leak Replace filter drier Evacuate or sweep charge system NOTE If evacuating the sealed system you must evacuate from both the low amp high sides due to the refrigerant valves If sweep charging the sealed system you must energize each refriger ant valves during the sweeping procedure See Manual
211. pull the handle or trim on handle side from the door You should be able to slide the panel towards the han Hinge Side dle side and out from under the door trim at this time Panel Mounting Screw If the panel will not slide from under the door trim panel Handle Stand off mounting screws and or handle mounting screws may have been used Open the door and locate the Poly Figure 2 22 Model 430 Stainless Steel tape under the gasket This tape covers the panel Door Panel Removal 2 8 Panel Spacer Washer CE 400 Series Installation Information mounting screw holes and possibly the handle mounting screw holes Remove the tape then extract the panel mounting screws and possibly the handle mounting screws Now you should be able to slide the panel towards the handle side and out from under the door trim See Figure 2 24 To install a new framed or overlay panel refer to the Installation Manual If reinstalling the existing panel reverse the steps above Handle or Handle side Magnetic Trim Trim Molding Screws Framed or Overlay Panel Figure 2 23 Model 430 Trim Molding Figure 2 24 Model 430 Framed and Removal Overlay Handle Handle Side Trim amp Door Panel Removal 2 9 Installation Information Notes 400 Series 400 Series Electronic Control System Information SECTION 3 ELECTRONIC CONTROL SYSTEM INFORMATION Electronic Cont
212. r Fault with BELL ON Feature Enabled and Flashing ffo WINE STORAGE Z WINE STORAGE Figure 3 35 Lower Compartment Thermistor Fault with BELL ON Feature Enabled and Flashing WINE STORAGE WINE STORAGE BEEP BEEP BEEP Figure 3 37 Either Evaporator Thermistor Fault with BELL ON Feature Enabled and Flashing 3 18 400 Series Electronic Control System Information WINE STORAGE DIAGNOSTIC MODE The Diagnostic Mode was incorporated into the wine storage electronic control system to assist in diagnosing prob lems in a wine storage unit When in Diagnostic Mode the real time thermistor temperatures are shown in the left display window of the control panel without off set adjustments The right display window indicates the location of the thermistor being read NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See 427R REFRIGERATOR SECTION DIAGNOSTIC MODE To initiate Diagnostic Mode the unit must be ON Now press and hold either compartment COLDER key and press the UNIT ON OFF key then release both keys See Figure 3 38 NOTE Pressing and holding both keys for ten seconds or more will activate Manual Valve Activation Mode which lasts for five minutes This will be explained next in this manual You are now in Diagnostic Mode The SERVICE annunciator is illuminated and a temperature is shown in th
213. rBon or Black Steel Wrapped Door Wide High Altitude Glass CarBon or Black Steel Wrapped Door Wide Glass Overlay Panel Application Door Wide High Altitude Glass Overlay Panel Application Door Wide Glass Platinum Steel Wrapped Door Wide High Altitude Glass Platinum Steel Wrapped Door Wide Glass Stainless Steel Wrapped Door Wide High Altitude Glass Stainless Steel Wrapped Door Wide Solid CarBon or Black Steel Wrapped Door Wide Solid Overlay Panel Application Door Wide Solid Platinum Steel Wrapped Door Wide Solid Stainless Steel Wrapped Door Wide Free Standing Stainless Steel Wrapped Unit Glass Door Wide Free Standing Stainless Steel Wrapped Unit High Altitude Glass Door Wide Free Standing Stainless Steel Wrapped Unit Solid Door NOTE Door panels for this model sold separately 427G 400 Series 27 Wide Glass Door 427HAG 400 Series 27 Wide High Altitude Glass Door 4275 400 Series 27 Wide Solid Door 1 7 General Information 400 Series Feve z noy Figure 1 5 Model 427R 427RG NOTE Door panels for this model sold separately 400 Series 27 Wide Refrigerated Drawers Glass Door on Wine Storage Section 427RHAG 400 Series 27 Wide Refrigerated Drawers High Altitude Glass Door on Wine Storage Section 427RS Figure 1 6 Model 430 430G B 430HAG B 430G F 430HAG F 430G O 430HAG O 430G P 430HAG P 430G
214. rator covers you must first remove the wine racks in the compartment Then remove the evaporator fan cover mounting screws and the evaporator fan cover Pull the top of the evaporator cover forward and down and lift off of pegs at bottom You ll find a ground wire riveted to the back of the evaporator cover and the other end has a screw securing it to the rear wall Extract the ground screw and pull the evaporator cover out See Figure 6 79 NOTE When reinstalling the evaporator cover the ground wire must be reattached with the ground screw to the rear wall Evaporator Support Cover Removal Model 430 The evaporator support covers are narrow covers to the left and right of the evaporator covers These covers are held in place by screws under the lower evaporator cover To remove the evaporator support covers you must first remove the wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the com partment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the evaporator cover Extract the evaporator support cover mounting screws and pull the evaporator support cover out See Figure 6 80 Screw Access Hole Evaporator Cover Figure 6 79 Evaporator Cover Removal Evaporator Support Covers Mounting screws concealed by evaporator cover Figure 6 80 Evaporator Support Cover Removal 6 35 Component Access and Removal
215. rbon 430G B 430S B 3512242 Trim Door Hinge Side Platinum 430G P 430S P 7T 6200720 Screw 8 18 x 1 2 PH Truss HD 8 2230619 Trim Door Ref RH 430G F amp O 430S F amp O 2230622 Trim Door Top Ref LH 430G F amp O 430S F amp O 9 6200720 Screw 8 18 x 1 2 PH Truss HD 0 2230620 Trim Door Bot Ref RH 430G F amp O 430S F amp O 2230621 Trim Door Bot Ref LH 430G F amp O 430S F amp O 21 4132270 Extended Door Handle Assy 67 88 430G F 430S F 4132320 Handle side Door Trim 430G O 430S O 22 6201300 Tapping Screw 8 x 1 2 430G F amp O 430S F amp O 23 4131860 Handle Trim Molding Assembly 430G F amp O 430S F amp O 24 3450450 Molding Magnet 3 430G F amp O 430S F amp O 25 3413340 Handle Trim End Cap 430G F amp O 430S F amp O 26 6180160 Rivet Open End Blind 1 8 X 3 16 430G F amp O 430S F amp O 7 28 400 Series Parts Lists amp Exploded Views 430 DOOR VIEW 1 6 Complete Door Assembly i lt a Parts Lists amp Exploded Views 400 Series Feve z rcy OONDARWN gt 39 40 41 42 43 3511690 3030150 6201270 6201310 0212360 6201010 0200960 4181780 6180010 4323860 6201270 0184410 4152220 6200720 4181750 6201420 3516540 4203130
216. rds through all Indexes and Average Temperature Readings Press COLDER Key in Multiple Key Strokes If the BELL ON annunciator illuminates during Temperature Log Recall Mode this indicates that power to the elec tronic control was interrupted during the currently displayed four hour period See Figure 3 50 WINE STORAGE Figure 3 50 BELL ON Illuminated Indicates Power Failure Interruption If the SERVICE annunciator illuminates during Temperature Log Recall Mode this indicates that the UNIT ON OFF key was depressed switching the unit OFF during the currently displayed four hour period See Figure 3 51 ee Figure 3 51 SERVICE Illuminated indicates Unit was Switched OFF If double dashes are displayed instead of the temperature and index number this indicates an electrical error on the electronic control board and that the board is bad See Figure 3 52 BELL ON SERVICE Figure 3 52 Double Dashes Displayed in Both Windows Indicates Electronic Control Board is Bad Control Board must be Replaced NOTE The electronic control will exit Temperature Log Recall Mode ten seconds after the last key stroke 3 22 400 Series Electronic Control System Information WINE STORAGE TEMPERATURE LOG INDEX CHART 4 Hours 92 Hours 180 Hours 8 Hours 96 Hours 4 Days 184 Hours 12 Hours 100 Hours 188 Hours 16 Hours 104 Hours 192 Hours 8 Days 20 Hours 108 Hours 196 Hours
217. ressure cooled liquid refrigerant travels through the evaporator absorbing heat from the com partment gradually converting it to a cool gas This cool gas then enters the suction line FILTER DRIER Figure 4 11 Evaporator HEAT EXCHANGER CAPILLARY TUBE Suction Line amp Heat Exchanger Figure 4 12 The cool gas travels through the suction line which is EVAPORATOR soldered to the capillary tube These two tubes sol dered together create the heat exchanger As this cool refrigerant gas travels through the suction line it absorbs heat from the warm liquid refrigerant traveling SUCTION LINE through the capillary tube The lukewarm refrigerant COMPRESSSOR gas then returns to the compressor where the process begins again FILTER DRIER Figure 4 12 Suction Line amp Heat Exchanger 4 7 Sealed System Information 400 Series j SEALED SYSTEM REFRIGERANT FLOW DIAGRANMS Frame Heater Hot Gas Heat Exchanger Capillary Tube Upper Compartment Evaporator Suction Line Heat Exchanger Capillary Tube Lower Compartment Evaporator T Connection Suction Line Filter Drier Compressor P Condenser Upper Compartment Refrigerant Val
218. rol System Information 400 Series j WINE STORAGE ELECTRONIC CONTROL TERMINOLOGY amp COMPONENT DESCRIPTIONS All 400 Series units utilize an electronic control system The electronic control system monitors regulates and con trols a variety of functions This system also displays temperatures possible problems with the unit and the bell sta tus The table below defines some basic electronic control system terminology and describes some of the electronic control components An understanding of the following information is needed in order to comprehend the electronic control system NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See 427R REFRIGERATOR ELECTRONIC CONTROL TERMINOLOGY amp COMPONENT DESCRIPTIONS Term Component Definition Description Control Board The printed circuit board PC Board contains the microprocessor relays and electrical connections which control and monitor all functions and operations of the unit Microprocessor An electrical component on the control board which receives electrical signals from other components processes that information then sends an electrical signal to the relays on the board to open or close and other electronic com ponents in the unit to switch on or off The electrical components on the control board which close or open to either allow power to the appropriate component s or interrupts power from reach ing appropriat
219. rom the slot in the evaporator cover Locate the ground wire riveted to the back of the evaporator cover with a screw securing it to the rear wall Extract the ground screw and continue rotating the side of the evaporator cover farthest from the false wall out until the flange behind the false wall clears the false wall Pull the evaporator cover out and extract the evaporator mounting screws Now cut the evaporator inlet and outlet tubing and pull the evapora tor out Figure 6 59 Evaporator Component Access and Removal 400 Series Feve z noy Refrigerator Section Evaporator Access and Removal Model 427R ONLY The refrigerator evaporator is mounted to the rear wall of the refrigerator section with Phillips head screws See Figures 6 60 NOTE See SHARP EVAPORATOR FINS CAUTION at beginning of this section Before accessing and removing the refrigerator evapo rator evacuate the refrigerant from the sealed system Then remove the four drawer slides and both drawer closers Remove the evaporator fan cover mounting screws and the evaporator fan cover Remove both Reed switches and remove the mounting screws towards the bottom of the evaporator cover Rotate the top of the evaporator cover forward and pull it out Remove both evaporator support covers Extract the evaporator mounting screws Now cut the evaporator inlet and outlet tubing and pull the evaporator out Wine Storage Refrigerant Valve Access and Rem
220. roximately 6 from the rough in opening See NOTE below Working on only one hinge at a time and using a 1 8 Allen wrench loosen the three cabinet hinge screws then snug them back down See Figure 2 9 Adjust door left to Figure 2 9 Model 424 right or in and out After adjusting the door re tighten Door Cabinet Hinge Adjustment the screws and check for proper gasket seating NOTE If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installation See Figures 2 2 Ifthe brackets were not used shims may have been Hinge No wedged along the sides and top Adjustment Door and Drawer Adjustment Models 427 amp 427R NOTE The door on models 427 and 427R as well as Shipping the drawers on the 427R are non adjustable Instead Screws the door and or drawer panels must be adjusted if there is an alignment problem Refer to the Installation Manual NOTE The unit must be level before attempting to adjust the door and drawer panels Shipping Screws Door Adjustment Model 430 NOTE The unit must be level before adjusting the gt Allen head door 4 Screws 2 of 4 If the unit is properly installed blocked and leveled it SS vib may still be necessary to adjust the door from left to right and or in and out Adjustments are performed at the top and or bottom door hinge s Working on only one hinge at a time remov
221. rs are narrow covers to the left and right of the refrigerator evaporator cover The left cover holds the control cable connector These cov ers are held in place by screws under the refrigerator evaporator cover To remove the evaporator support covers you must first remove the drawer slides and both drawer closers Then remove the evaporator fan cover mounting screws the evaporator fan cover and the refrigerator evaporator cover Extract the evaporator support cover mounting screws and pull the evaporator support cover out See Figure 6 47 NOTE If removing the left evaporator support cover the control cable connector must be disconnected as you remove the cover Evaporator Support Covers Mounting screws concealed by evaporator cover Figure 6 47 Refrigerator Evaporator Support Cover Removal MODELS 427 amp 427R INTERIOR MECHANICAL COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this sub section Wine Storage Control Board Access and Removal Models 427 amp 427R The control board is located at the bottom of the com partment divider behind the control panel and is con cealed by an access panel The
222. ry day This section explains the Temperature Units Selection Mode Sabbath Mode and Showroom Mode NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See 427R REFRIGERATOR SECTION UNIQUE ELECTRONIC CONTROL INPUT OPERATIONS Temperature Units Selection Mode Selecting Fahrenheit or Celsius Display The wine storage electronic control is initially set to display temperature in Fahrenheit F units of measure But the temperature units displayed can be converted from F to C Celsius and or back again This operation is called Temperature Units Selection NOTE Temperature Units Selection must be performed within the first minute after switching the wine storage appliance ON To convert the temperature units of measure from a Fahrenheit F reading to a Celsius C reading press and hold the alarm bell key and the UNIT ON OFF key simultaneously for five seconds See Figure 3 17 You are now in Temperature Units Selection Mode A temperature is now shown in the left display window and the right display window indicates the units of measure as F or C In this case a temperature will be displayed in Celsius C units of measure See Figure 3 18 NOTE Do not press and hold the UNIT ON OFF key first as this will simply switch the unit OFF BELL ON SERVICE Figure 3 17 Initiating Temperature Units Selection Mode Press and Hold Bell ON OFF Key and Unit ON OFF
223. s amp Schematics 400 Series Esvs ze od 10 22
224. set at the front of the com partment divider and is secured by six screws at the bot tom and a silicone seal under the top flange Tabs at the bottom and a concealed tab at the top center of the control panel housing help to position the control panel assembly NOTE See ELECTRIC SHOCK WARNING at beginning of this section To remove the control panel assembly first access the control board and disconnect the lower light strip wire leads LED ribbon cable and the membrane switch ribbon cable Then extract the six screws at the bottom of the control panel Now slide the blade of a putty knife under and along the top flange of the control panel housing to break loose the silicone seal See Figure 6 83 NOTE Do not lift the top flange of the contro panel housing too vigorously Doing so will break the con cealed tab at the top center 6 36 Access Panel 7 f Membrane Switch Ribbon Cable Electrical Connections Do not break concealed tab VsrE2rews 6 Control Panel Assembly Figure 6 83 Control Panel Assembly Removal After breaking the silicone seal loose pull the control panel assembly forward and disconnect the ground wire NOTE When reinstalling the control panel assembly you must reapply a bead of silicone along the inside of the top flange E zerod 400 Series Component Access and Removal Low
225. severe electrical shock HIGH VOLTAGE 115 VOLTS 60 CYCLES EVAPORATOR FAN SWITCH YELLOW x N 9 UPPER EVAPORATOR FAN MOTORS LOWER LIGHT SWITCH LIGHTS oooooooo LIGHTS 6G 0000000 SOLENOID LOWER 295 Ohms 0000000 SOLENOID UPPER 295 Ohms uogugugugguugou XIN CONDENSER FAN MOTOR M COMPRESSOR STARTING RELAY M COMPRESSOR THERMISTER 1 LOWER CABINET MEMBRANE SWITCH THERMISTER 2 UPPER CABINET THERMISTER 3 LOWER EVAPORATOR BLUE W WHITE BLUE W WHITE BLUE W BLACK BLUE W BLACK BLUE W RED ORANGE W RED BLUE W YELLOW ORANGE W YELLOW THERMISTER 4 UPPER EVAPORATOR QO OTOIO DISPLAY WHITE W RED WHITE W BLUE GRAY WI WHITE E 1 PART NUMBER 3756360 10 3 CS iagrams amp Schemati ing D i 44 WARNING This wiring information is provided for use by qualified service personnel only Disconnect appliance from electrical
226. ss amp Removal 6 15 Kickplale Grille sissies 6 15 Wine Compartment Light amp Fan Switch 6 15 Door Assembly innen es 6 16 Drawer Assembly 427R ONLY 6 16 Upper amp Lower Hinge Assembly 6 16 Condenser Fan Assembly 6 17 Refrigerant Valve Solenoid 6 18 Model 427 amp 427R Interior Cosmetic Component Access amp Removal 6 18 Wine Rack Assembly 6 18 Wine Storage Cabinet Slide amp Slide Spacer 6 18 Refrigerator Drawer Slide Assembly 427R ONLY 6 19 Drawer Closer 427R ONLY 6 19 Upper Light Strip sissies eases 6 20 Refrigerator Lighting Access 427R ONLY 6 20 Reed Switch 427R ONLY 6 20 Evaporator Fan Cover 6 21 Wine Storage Evaporator Cover 6 21 Refrigerator Evaporator Cover 427R ONLY 6 21 Refrig Evaporator Support Cover 427R ONLY 6 22 Model 427 amp 427R Interior Mechanical Component Access amp Removal 6 22 Wine Storage Control Board 6 22 Refrigerator Control Board 427R ONLY 6 23 Wine Storage Control
227. ss and Removal Evaporator Fan Cover Removal Models 427 amp 427R There are two access holes in the front of the evapora tor fan covers The back flanges of the evaporator fan cover have slots that line up with the access holes Screws inside these access holes pass through slots in the back flanges and through holes in the evaporator cover into screw grommets securing the fan cover To remove the evaporator fan cover extract the two mounting screws from the access holes and pull the fan cover forward See Figure 6 44 Upper and Lower Wine Storage Evaporator Cover Access and Removal Model 427 amp 427R The wine storage evaporator covers are held in place with four screws two at the evaporator fan covers and two towards the bottom of the evaporator covers A flange on the side of the evaporator covers hooks behind the false wall in each compartment To remove the wine storage evaporator covers you must first remove the evaporator fan cover mounting screws and the evaporator fan cover Remove the screws towards the bottom of the evaporator cover Rotate the side of the evaporator cover farthest from the false wall out slightly Push the thermistor electrical leads and rubber grommet from the slot in the evapora tor cover Locate the ground wire riveted to the back of the evaporator cover Extract the ground at the other end of the ground wire Continue rotating the side of the evaporator cover farthest from the false wall o
228. ssembly Removal Models 427 amp 427R The door is held in place with Allen head screws that pass down through the arm of the top hinge assembly and up through the arm of the bottom hinge assembly into the door frame These mounting screws are con cealed by a hinge cover on each hinge arm The hinge covers are held in place by tabs that fit into notches in the hinge arms NOTE See HEAVY DOOR WARNING at beginning of this section To remove a door begin by opening the door and removing both hinge covers With an Allen head wrench extract the two inner most door mounting screws from the top and bottom hinge arms leaving the two outer most screws in place Now close the door and remove the outer most door mounting screws from the bottom hinge arm then remove the two outer most door mounting screws from the top hinge arm and lift the door from the unit See Figure 6 30 NOTE On the model 427R you will need to remove the top drawer to access the door mounting screws at the bottom hinge when the door is closed See Drawer Assembly Removal 427R ONLY below Drawer Assembly Removal Model 427R ONLY There are channels on both sides of a drawer tub in a 427R that rest on telescoping drawer slide assemblies A pin at the front of each drawer slide fits into a hole in the drawer tub to hold the drawer assembly in place See Figure 6 31 NOTE See HEAVY DOOR WARNING and ELECTRIC SHOCK WARNING at beginning of this section The t
229. stem Information WINE STORAGE CONTROL PANEL LAYOUT NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system which includes the control panel See MODEL 427R REFRIGERATOR CONTROL PANEL LAYOUT Upper Compartment COLDER WARMER key key BELL ON Alarm Bell amp Upper 4 SERVICE Compartment ON OFF key annunciators Temp Reading om 1 l p WINE STORAGE Compartment Temp Reading COLDER WARMER key key Figure 3 5 Wine Storage Control Panel Layout BASIC WINE STORAGE ELECTRONIC CONTROL INPUT OPERATIONS This section illustrates the basic input operations performed at the wine storage control panel Switching the unit ON and OFF adjusting the set point temperature adjustments switching the lighting system ON and OFF and enabling and disabling the alarm BELL will be explained NOTE The refrigerator section of the model 427R uses a separate and unique electronic control system See 427R REFRIGERATOR BASIC ELECTRONIC CONTROL INPUT OPERATIONS Unit ON OFF All 400 Series units are shipped in the Off Mode By pressing and releasing the UNIT ON OFF key See Figure 3 6 power is allowed past the control board to the rest of the unit This will be indicated by the unit lights and LED s in the display energizing A WARNING WHEN IN OFF MODE 115 VOLTS AC IS STILL PRESENT AT CONTROL BOARD Figure 3 6 Unit ON OFF Press UNIT ON OFF Key 3 5 Electronic Control System In
230. stributor The serial number tag for models 427 427R and 430 is located on the bottom side of the compartment divider directly behind the control panel See Figures 1 1 1 2 For model 424 it is on the upper compartment ceiling not shown C 8 L EONO Control Panel Manufacture Date LISTED HOUSEHOLD REFRIGERATOR OR FREEZER SERIAL NO 0000000 Refrigerant Type Figure 1 2 Serial Tag Layout Y 400 Series General Information MODEL DESCRIPTIONS This section briefly describes the models covered in this 400 Series Technical Service Training Manual There are four basic model configurations Models 424 427 427R and 430 with esthetic variations of the exterior cosmetic components This manual will address the four basic configurations in most cases The following diagrams Figures 1 3 to 1 6 explain the 400 Series model numbering system 424G B 424HAG B 4246 0 424HAG O 424G P 424HAG P 424G S 424HAG S 424S B 4245 0 424S P 424515 424FS G 424FS HAG 424FS S Figure 1 3 Model 424 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 400 Series 24 Figure 1 4 Model 427 Wide Glass Ca
231. switch the unit back ON See Figure 3 44 i WINE STORAGE Figure 3 43 Initiating Refrigerant Valve Activation Mode Press and Hold Desired COLDER Key and UNIT ON OFF Key for Ten Seconds BELL ON WINE STORAGE 2 ARMER wea A Switch unit Off then ON Figure 3 44 Exit Refrigerant Valve Activation Mode Before Full Five Minutes Press UNIT ON OFF Key to OFF Then again to ON 3 20 400 Series Electronic Control System Information WINE STORAGE TEMPERATURE LOG RECALL MODE For service purposes the wine storage electronic control is equipped with a temperature data storage system This system logs stores the average temperature of each wine compartment every four hours along with any error indi cator codes that may have occurred This information is stored in memory so that even if there is a power interrup tion the data is not lost These four hour periods of data referred to as indexes are logged a maximum of sixty four times What this means is that the average temperatures for the previous ten days and sixteen hours can be recalled and displayed at the control panel 4 hour periods x 64 indexes 10 days 16 hours Once sixty four indexes are stored each new index replaces the oldest index To initiate the Temperature Log Recall Mode the unit must be running Now press and hold the desired compart ment WARMER key and press the UNIT ON OFF key then release both keys See Figure 3 45
232. sy NOTE Door panels on this model a sales accessory For part numbers of complete door panel sets or components of the door panel sets contact the factory 7 20 400 Series Parts Lists amp Exploded Views 427R DOOR amp DRAWER VIEW 1 Complete DoorAssembly Parts Lists amp Exploded Views 400 Series Feve rcy 1 3511680 2 3030150 3 6201270 4 6201310 5 0212340 6 6201010 7 0201070 0201080 8 4181770 9 6180010 10 4323860 11 6201270 12 0184410 4152220 13 6200720 14 4181730 15 6201420 16 3516530 17 4203120 18 3530430 19 6200050 20 0168880 21 6200720 22 3413551 23 3413552 24 3421830 25 0201050 0201060 26 3516451 3516680 3516452 3516680 27 3516010 28 3516010 29 3520120 30 6200130 31 6201230 32 3511710 427R COSMETIC VIEW PARTS LIST Extrusion Upper Light Light Strip 15 WATT Screw 8 18 x 5 8 PH PN SS Gnd Screw 8 x 1 3 4 Flat PH HD Cover Evap Fan Screw 8 15 x 2 Pan Head Evap Cover UPR LH UNIT Evap Cover UPR RH UNIT Rack Assy Display Wine Pop Rivet 1 8 Ground Wire Assy Screw 8 18 x 5 8 PH PN SS Gnd Panel Srvc Access See SN Breaks Pnl Assy Srvc Acc See SN Breaks Screw 8 18 x 1 2 PH Truss HD Wine Rack Assembly Screw Molding Wood Wine Rack Control Panel Pkg SRVC 42
233. t Switch Mnt See SN Breaks Bracket Switch Mnt See SN Breaks Screw 8 32 x 1 2 Flat Head Switch Enclosure See SN Breaks Box Switch RH See SN Breaks Box Switch LH See SN Breaks Bracket Kickplate Front Leveler Bolt Rear Leveler Assembly Rear leveler Foot See 4202000 Leveler Assy Rear See 4202000 Adjusting Rod Not pictured Panel Mount Hdwr Pk wa 2 wa Parts Lists amp Exploded Views 400 Series SUB ZERO 427 COSMETIC VIEW NOT PICTURED Panel Mount Hardware Pack Parts Lists amp Exploded Views 400 Series Feve rcy ONO N e UNa 4203140 4203110 3014350 6201270 6120030 6201270 4220490 0212330 6201270 6110270 3150640 4200740 3150660 6150410 4203060 4203070 N A 3060030 3060020 3450920 3450980 6200210 6200450 3420670 3150670 6200490 427 MECHANICAL VIEW PARTS LIST Control Board PKG SRVC 400 Control Panel Pkg SRVC 427 Thermistor Screw 8 18 x 5 8 PH PN SS Gnd Tube Clamp Plastic 1 4 Screw 8 18 x 5 8 PH PN SS Gnd Fan Motor Assy Incl Brkt amp Screws Bracket Evap Fan Motor Screw 8 18 x 5 8 PH PN SS Gnd Bolt 10 32 x 1 4 RD HD Fan blade Evaporator Condenser Fan Motor Components Blade amp Bracket NOT included Condenser Fan Blade Nut 1 4 20 Valve Sol Components UPR Wine Valve Sol Components
234. t tray and is held in place with screws passing up from under the unit tray into the condenser brackets See Figure 6 27 After evacuating the refrigerant from the sealed system begin the access and removal procedure by removing the access panel from the bottom back of the unit Remove the door closer See DOOR CLOSER WARN ING at beginning of this section Extract the four screws securing the unit tray to the cabinet on the right side and loosen the four screws on the left side Separate the unit tray from the cabinet by leaning the cabinet to the left then insert a spacer between the cabinet and unit tray A small piece of 2x4 lumber works well See Figure 6 8 Remove the condenser mounting screws Cut the inlet tube and outlet tube approximately 3 from the condenser and lift the con denser up and out Unit Tray Screws Figure 6 27 Condenser 6 14 400 Series Component Access and Removal MODELS 427 amp 427R NOTE Since the models 427 and 427R are similar the access and removal section for these models has been grouped together The model s covered will be listed between brackets after the heading MODEL 427 amp 427R EXTERIOR COSMETIC AND MECHANICAL COMPONENT REMOVAL An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal proce dure it may be n
235. t valve solenoid the unit grille will need to be removed first Then remove compressor baffle which is secured with screws Disconnect the electrical leads of the solenoid being removed Now remove the screw at the top of the solenoid and lift the solenoid up off the valve See Figure 6 74 NOTE You may need to twist the refrigerant valve in the P clamps slightly to allow the solenoid to be removed 6 33 Fan Motor Bracket Figure 6 73 Condenser Fan Assembly Top lt Compartment Solenoid Bottom Compartment Solenoid Figure 6 74 Refrigerant Solenoid Valves Component Access and Removal 400 Series Feve z noy MODEL 430 INTERIOR COSMETIC COMPONENT REMOVAL An attempt has been made to arrange these instructions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal pro cedure it may be necessary to reference another removal procedure towards the front of this section Wine Rack Assembly Removal Model 430 To remove a wine rack assembly pull the rack forward until it stops Remove any wine bottles on the rack Lift the front of the wine rack up while pulling forward After the indentations on the wine rack clear the rollers on the cabinet slides lower the front of the wine rack while continuing to pull forward then lift the rear of the rack up and out See Figur
236. tabs on the side of the switch being removed and push the switch out of the bracket Figure 6 4 Light and Fan Switch Use 90 offset Phillips head screwdriver to reach screws Y 24 400 Series Component Access and Removal Exterior Wrap Components Model 424FS ONLY Stainless Steel Base Cover Assemblies The base cover assemblies are stuck to the sides of the unit base with double stick tape Screws passing through the ends of the kickplate and the base cover front flanges secure the kickplate and covers to the unit base On the hinge side of the unit screws pass through the door closer bracket and the base cover into the door closer mounting holes in then unit base To remove the base cover assemblies first remove the kickplate If a door closer is mounted on the side of the base cover being removed remove the door closer too Then at the back of the unit insert a flat blade screw driver between the base cover and unit base and pry the base cover off See Figure 6 5 Stainless Steel Overlay Unit Wrap There are brackets riveted at the front of the top and sides of the unit Flanges at the front of the unit wrap hook over these brackets Brackets at the back of the unit hook under the back flanges of the unit wrap When the mounting screws are tightened down on the back brackets the brackets pull the wrap backward which holds the wrap tight between the front and back brack ets To remove the unit wrap e
237. tinued Drawer Ajar a Food Product Obstruction b Drawer Not Installed Correctly c Drawer Closer Tripped Forward Evaporator Fan Fault a Fan Blade out of Position or Obstructed Reed Switch Disconnected or Malfunctioning Fan Motor Disconnected or Malfunctioning No Power from Control Board Condenser Air Flow Fan Fault a Dirty Condenser b Condenser Fan Blade Loose or Obstructed c Fan Motor Disconnected or Malfunctioning d Defective or disconnected fan relay 427R after serial 1944319 Only Compartment Thermistor Fault Misread Move obstruction Reinstall drawer Trip closer forward or replace if defective Check fan blade position See section 5 of this manual Reposition blade or remove obstructions Check Reed switch operation and electri cal connections Check for 5V DC to and from switch Reconnect wires or replace Reed switch if defective Check fan motor operation by pressing either Reed switch Check fan motor elec trical connections Also check for 115V AC to motor Reconnect or repair wires or replace motor if defective Check for 115V AC between P5 amp P8 on control board NOTE make sure unit is not in showroom Mode If no power between P5 amp P8 replace board Clean condenser Clean if needed Check fan blade Tighten or remove obstruction Check fan motor operation Check fan motor electrical connections back to com pressor Check for 115V AC from c
238. to the left 6 10 Do not break concealed tab Figure 6 18 Control Panel Assembly Removal Screw rommet amp Slot Figure 6 19 Upper Compartment Thermistor Thermistor Grommet amp Slot Evap Support Cover Figure 6 20 Lower Compartment Thermistor side wall with a Phillips head screw The electrical leads of the thermistor are routed through a notch in the left hand evaporator support cover and guarded by a grommet See Figure 6 20 To remove the lower compartment thermistor first remove the three wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the lower compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the lower evaporator cover Extract the evaporator sup port cover mounting screws and pull the evaporator support cover out while pushing the thermistor leads and grommet out of the slot on the left hand side Extract thermistor mounting screw and disconnect the thermistor electrical leads 400 Series Component Access and Removal Upper Evaporator Thermistor Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section The upper evaporator thermistor is attached to the right side evaporator bracket with a Phillips head screw To
239. tor cover the ground wire must be reattached to the rear wall with the ground screw Lower Evaporator Cover Removal Model 424 To remove the lower evaporator cover first remove the three wine racks in the lower compartment Then remove the evaporator fan cover mounting screws and the evaporator fan cover Pull the top of the evaporator cover forward and lift off of pegs at bottom You ll find a ground wire riveted to the back of the evaporator cover and the other end has a screw securing it to the rear wall Extract the ground screw and pull the evapo rator cover out See Figures 6 12 6 13 amp 6 14 NOTE When reinstalling the evaporator cover the ground wire must be reattached to the rear wall with the ground screw 6 8 Mounting Screw Evaporator Cover Evaporator Fan Cover Screw Access Hole Figure 6 12 Evap Fan Cover Removal Evaporator Cover Figure 6 13 Ground Screw Wire amp Screw Lower Evap Cover Pull top of evap cover forward and lift off of pegs Figure 6 14 Lower Evaporator Cover Removal E zerod 400 Series Component Access and Removal Evaporator Support Cover Access and Removal Model 424 The evaporator support covers are narrow covers to the left and right of the lower evaporator cover The left cover hides the upper compartment drain line and the right cover is over the evaporator thermistor These covers are held in place by screws under the lower evaporator co
240. ty of compressor electricals Check electrical connections back to con trol board Replace defective electricals or repair wiring Check for 115V AC between P10 of J3 and E2 on the control board Correct any wiring problems or replace compressor electricals if defective If no power from control board to compres sor replace board Check AMP draw on compressor If high by 15 or more replace compressor SEE SEALED SYSTEM DIAGNOSTIC INFORMATION FOLLOWING THIS GENER AL TROUBLESHOOTING GUIDE Check thermistor ohms 30 000 33 000 at 32 F 0 C Replace if defective If thermis tors are OK replace control board Room Temperature Below Set Point Instruct Customer Control Set Too Cold Check set points Adjust set points WARMER Door Ajar a Wine Rack Obstruction b Door out of Adjustment c Door or Cabinet Hinge Problem Adjust wine rack See Door Adjustment procedure in sec tion 2 of this manual Check hinges Replace if defective 400 Series Troubleshooting Guides PROBLEM POSSIBLE CAUSE TEST ACTION ONLY ONE WINE STORAGE COMPARTMENT Control Set Too Cold Check set point Adjust set points WARMER Door Ajar a Wine Rack Obstruction Adjust wine rack b Door out of Adjustment See Door Adjustment procedure in sec tion 2 of this manual c Door or Cabinet Hinge Problem Check hinges Replace if defective Refrigerant Valve Solenoid Fault Initiate Manual Valve Activation Mode on Stuck
241. uit is energized but the compressor is allowed ON only if the evaporator is above 40 F 4 C The illus tration below shows normal operation with evaporator above 40 F 4 C See Figure 3 65 NOTE The electric mullion heater around the drawer section cycles with the compressor Prior to serial 1944319 the condenser fan runs 100 See Figure 3 65 i 115 VOLTS NEUT 60 CYCLES NEUTRAL WHITE NEUTRAL WHITE 1 CONDENSER FAN MOTOR M 2000 OHMS PURPLE MULLION HEATER 20 THERMISTORS REB REFRIGERATOR CONTROL BOARD OVERLOAD COMPRESSOR DISPLAY PROTECTOR STARTING RELAY n a C M COMPRESSOR 8 EVAPORATOR FAN MOTOR Evaporator temperature above 40 F 4 C NEUTRAL WHITE BLUE W BLACK BLUE W YELLOW La BLUE W BLACK BLUE W YELLOW THERMISTER THERMISTER CABINET es EVAPORATOR Calling for cooling 7 ZONE THERMISTORS REFRIGERATOR CONTROL BOARD DOOR SWITCH TOP DRAWER DRAWER REVOTE CONTROL DOOR SWITCH BOTTOM DRAWER Both drawers closed WHITE W RED WHITE W RED Figure 3 65 Compressor Evap Fan Mullion Heater amp Condenser
242. ull the evaporator cover out Remove the screw from the evaporator ther mistor disconnect the thermistor electrical leads and pull the evaporator thermistor out See Figure 6 55 6 25 Evap Cover Thermistor 9 uu Grommet amp Slot Figure 6 54 Wine Storage Compartment Thermistors Evaporator Figure 6 55 Wine Storage Evaporator Thermistors Component Access and Removal 400 Series Feve z noy Refrigerator Compartment Thermistor Access and Removal Model 427R ONLY The compartment thermistor in the refrigerator section is located behind the upper drawer inside the top Reed switch assembly and is considered part of the top Reed switch assembly To replace the compartment thermis tor the complete top Reed switch must be replaced See Figure 6 56 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To access and remove the top Reed switch assembly extract the Reed switch mounting screw Lean the top of the Reed switch forward disconnect the electrical leads from the back side and pull the Reed switch out NOTE When reinstalling a Reed switch plug in the electrical leads Place the bottom flange of the switch housing into the opening in the evaporator cover Then rotate the top back and insert the screw Refrigerator Evaporator Thermistor Access and Removal Model 427R ONLY The refrigerator section evaporator thermistor is attached to the right side evaporator brack
243. unting screws Kickplate located at each end of the kickplate and pull the kick Mounting plate forward See Figure 6 1 Screw 1 of 2 Door Closer Removal Model 424 NOTE See DOOR CLOSER CAUTION at beginning of this section To remove the door closer you will need to pull the unit approximately 6 out of the rough in opening See TIP PING WARNING at beginning of this section NOTE If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a solid installation See Figures 2 2 is section 2 If the brackets were not used shims may have been wedged along the sides and top After pulling the unit from its installation extract the two mounting screws securing the door closer to the side of unit base Then slide the door closer down off of the bottom door hinge pin See Figure 6 2 NOTE It may be necessary to lean the unit back slightly to create enough clearance between the hinge pin and the floor NOTE When reinstalling a door closer on a model 424 keep in mind that there are slots in the cam of the door closer that must line up with the ribs on the hinge pin Also the cams may be in full closed position or full open position It is easiest to install a door closer onto the hinge pin with the door closed and the cams in the full open position Then after the closer is on the hinge pin rotate the closer to the closed position and install the screws
244. ust be removed before leveling See Figure 2 7 If the unit has been anchored to the cabi nets the anchor screws must be extracted before level ing then reinstalled after leveling To level the unit turn the front leveling legs counter clockwise to raise the front or clockwise to lower it To assist in turning the front leveling legs up or down use a standard screwdriver blade and place it in the foot of the front leg See Figure 2 5 amp 2 8 The rear levelers are adjusted from the front of the base using a 5 16 socket wrench The long adjusting screw just above the front leveler leg reaches all the way to the rear leveler roller assembly Turn the adjusting screw clockwise to raise the rear or counter clockwise to lower it See Figure 2 8 NOTE Level is best checked at the top and side main Rear Leveler frame extrusion s Adjusting Screw Front Leveling Leg Figure 2 8 Model 430 Adjusting Rear Levelers 2 3 Installation Information 400 Series gt Door Adjustment Model 424 NOTE The unit must be level before adjusting the door Cabinet Hinge If the unit is properly installed blocked and leveled it may still be necessary to adjust the door s from left to right and or in amp out Adjustments are performed at the top and or bottom cabinet hinge s NOTE The door hinges on the 424 are non aqjustable To access and adjust the cabinet hinge s it will be necessary to pull the unit out app
245. ut until the flange clears the false wall See Figure 6 45 NOTE When reinstalling the evaporator cover the ground wire must be reattached with the ground screw to the rear wall Refrigerator Section Evaporator Cover Access and Removal Model 427R ONLY The refrigerator section evaporator cover is held in place with three screws two at the evaporator fan cover and one that secures it to a grounding bracket NOTE See ELECTRIC SHOCK WARNING at begin ning of this section To remove the refrigerator evaporator cover you must first remove the evaporator fan cover mounting screws and the evaporator fan cover Then extract the grounding screw towards the top right and remove both Reed switches Pull the top of the evaporator cover for ward and lift off of pegs at bottom See Figure 6 46 NOTE When reinstalling the evaporator cover the ground wire must be reinserted 6 21 Screw Access Hole Duct opening at bose Evaporator Fan Cover Figure 6 44 Evap Fan Cover Removal Evap Cover E ES RE A False Wall Figure 6 45 Wine Storage Evaporator Cover Removal Refrigerator Evap Cover Pull top of evap cover forward and lift off of pegs Figure 6 46 Refrigerator Evaporator Cover Removal Component Access and Removal 400 Series Feve z noy Refrigerator Section Evaporator Support Cover Access and Removal Model 427R ONLY The evaporator support cove
246. ve Lower Compartment Refrigerant Valve Figure 4 13 Model 424 Refrigerant Flow Frame Heater Hot Gas Heat Exchanger Capillary Tube Upper Compartment Evaporator Suction Line Heat Exchanger Capillary Tube Suction Line Lower Compartment Evaporator T Connection Condenser Filter Drier Compressor Lower Compartment Refrigerant Valve Upper Compartment Refrigerant Valve Figure 4 14 Model 427 Refrigerant Flow 4 8 Nsus zeeod 400 Series Sealed System Information Frame Heater Hot Gas Heat Exchanger Tube gt Upper Wine Compartment Evaporator Suction Line Heat Exchanger Capillary Tube Lower Wine Compartment Evaporator Suction Line Refrigerator Section Capillary Tube Evaporator Suction Line Refrigerator Section Filter Drier Rear T Connection Wine Storage Filter Drier Wine Storage Compressor Fron N ean Refrigerator Compressor Rear Condenser Upper Compartment Refrigerant Valve Lower Compartment Refrigerant Valve Figure 4 15 Model 427R Refrigerant Flow U C rt t Refri t Val Lower Compartment Refrigerant Valve He eT ae ae Compressor T Connection Y Condenser Filter Drier Upper Heat Exchanger ut pp g Capillary Tube Upper Compartment Evaporator Lower Heat Exchanger Capillary Tube Suction Line Lower Compartment Evaporator Frame Heater Hot
247. ver To remove the evaporator support covers you must first remove the three wine racks all cabinet slides cabinet slide spacers and cabinet slide support spacers in the lower compartment Then remove the evaporator fan cover mounting screws the evaporator fan cover and the lower evaporator cover Extract the evaporator sup port cover mounting screws and pull the evaporator support cover out See Figure 6 15 MODEL 424 INTERIOR MECHANICAL COMPONENT ACCESS AND REMOVAL An attempt has been made to arrange these instruc tions in such a way as to simulate which components would need to be removed first in order to gain access to other components When following a component removal procedure it may be necessary to reference another removal procedure towards the front of this section Control Board Access and Removal Model 424 NOTE See ELECTRIC SHOCK WARNING at begin ning of this section Also see STATIC ELECTRICITY CAUTION at beginning of this section The control board is located on the bottom side of the compartment divider directly behind the control panel and is concealed by an access panel The control board is held in place by four tabs one at each corner of the board To get to the control board you will need to extract the two screws at the back of the access panel then lower the back of the access panel and pull it towards the rear of the unit See Figure 6 16 To remove the control board disconnect the LED
248. w 7 service 3 eet ow service s _ ee on service _______ service _ azu ow service eet ow service s _ service s eeurow service 3 ett on service eet on service s on 7 service eet on service _ eet on service s eeu ow service eet on service Po ____ service e Bett ow service et ow service on 7 service Pe _ service w ett on service eeu ow service azu ow service service on 7 service Ps _ service on service Pe _ service _ ett on service Dn emrowsewc ow service sz ow service s _ ett ow service De _ service s service euro service ett on service Pa _ euro service s ett ow service eetrow service ow service _______ service s eet on service La eeurow service s _ ett on service _______ service _ eet on service _ eet ow service s BEL on service Pa _ service 5 ow service eerov sewc on service Ta eeurow service on service Pe erow sewc
249. when removing a door is different than the door clos er removal procedure listed below See DOOR CLOSER CAUTION at beginning of this section With door closed use a small straight blade screwdriver to remove the E ring which holds the door closer arm to the stud on the bottom door hinge Then pry the door closer arm down off of the door hinge stud and pull the door closer assembly from the front of the unit base See Figure 6 66 6 30 Door closer arm LL Figure 6 66 Door Closer Removal E zerod 400 Series Component Access and Removal Door Assembly Removal Model 430 NOTE See DOOR CLOSER CAUTION at beginning of this section The door closer must be disconnected from the bot tom door hinge in order to remove the door Disconnect the door closer from the bottom door hinge by opening the door until the hole in the door closer arm aligns with hole in bottom cabinet hinge then insert a stubby screwdriver 1 4 diameter or less up into the two holes With a small straight blade screwdriver remove the E ring which holds the door closer arm to the stud on the bottom door hinge See Figure 6 67 Then pry the door closer arm down off of the door hinge stud NOTE The screwdriver inserted in the holes of the door closer arm and the bottom cabinet hinge will be used to pry the door closer arm back into position when reattaching the door closer to the bottom door hinge With t
250. xploded IS N fea LAS Mee e Z0 SAN 0 pS h N0 US SONT YU DAS Y VA Mp ZAAN STENI ZAAN AANSTAAN Gy Seso S RN x Uy CER MEM M UI AN D ERN N uS Parts L ries 400 Se SUB ZERO L gt lt 2 T N Parts Lists amp Exploded Views 400 Series 2 0 99 424 SEALED SYSTEM VIEW PARTS LIST 4203060 Valve Sol Components UPR Wine 4203070 Valve Sol Components LWR Wine 2 6160030 Spacer 5 16 x 7 16 x 5 8 3 3150010 Rubber Grommet Small 5 8 4 6240050 Flat Washer 5 16 5 6200140 Screw 48 15 x 3 8 Truss HD 6 6120030 Tube Clamp Plastic 1 4 T 3014420 Drier Service Wine 8 6240050 Flat Washer 5 16 9 6240090 Lock Washer 5 16 10 6150220 Nut 5 16 18 Hex Zinc 11 4203230 Compressor EMISOHER 3111370 Relay 1351400 3111410 Overload 4TM734LFB 12 6200110 Screw 10 12 x 5 8 Truss SS 13 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 14 4211540 Evaporator Assembly Includes Heat Exchanger 15 4211540 Evaporator Assembly Includes Heat Exchanger 16 6201270 Screw 8 18 x 5 8 PH PN SS Gnd 17 3120300 Condenser 18 6200010 Screw 10 12 x 3 4 HD 19 6150080 Nut Flat 10 24 7 10 Views Parts Lists amp Exploded les 400 Ser SUB ZERO gt Lu o gt o a lt Lu
251. xtract the back bracket mounting screws and remove the back brackets then shide the wrap forward to disengage the front brackets and lift the wrap up and off of the unit See Figure 6 6 6 5 Figure 6 5 Base Cover Removal Remove Back Brackets Front Brackets Figure 6 6 SS Unit Wrap Removal Component Access and Removal 400 Series Feve z noy Condenser Fan Assembly Access and Removal Model 424 To access the condenser fan the unit will need to be pulled from its installation See TIPPING WARNING at beginning of this section NOTE If removing a model 424 from its installation an anti tip bracket and a countertop bracket may have been used to make a Solid installation See Figures 2 2 If the brackets were not used shims may have been wedged along the sides and top Remove the access panel from the bottom back of the unit disconnect the fan electrical leads and extract the grounding screw from the ground wire The condenser fan bracket is secured to the unit tray by screws passing up from under the unit tray into thread ed stand offs See figure 6 7 Lean the unit to the front or side and extract the bracket mounting screws and lift fan assembly from the unit tray The fan motor can now be removed from the fan brack et by extracting the fan mounting screws The fan blade can be removed from the fan motor by turning the f
252. y the compartment temperature will be displayed As the compartment temperature changes the tem perature displayed will change by no more than 1 per minute 1 UNIT REFRIGERATOR COLDER ARMER al ON OFF ON OFF E Figure 3 60 Adjusting Set Point Press COLDER or WARMER Key Model 427R Refrigerator Drawer Ajar Alarm ON OFF The 427R has an audio visual drawer ajar alarm that can be enabled to warn the customer if a drawer is left open When enabled the alarm will beep if a drawer is open for more than 15 seconds To enable the alarm press and release the Bell ON OFF key See Figure 3 61 Prior to serial 1728753 press the ALARM key When enabled the drawer ajar alarm bell annunciator will illuminate To disable the drawer ajar alarm simply press and release the ALARM or Bell ON OFF key again and the annunciator will de energize REFRIGERATOR COLDER ARMER A T A ON OFF Bell llluminates Figure 3 61 Drawer Ajar Alarm ON OFF Press Bell ON OFF key Prior to Serial 1728753 press the ALARM key 3 28 gt 400 Series Electronic Control System Information FUNCTION OF THE 427R REFRIGERATOR ELECTRONIC CONTROL SYSTEM This section explains the monitoring regulating and controlling functions of the 427R refrigerator electronic control system NOTE All 427R refrigerator electronic control functions described in this section are for normal operation only For poss
253. yed at the control panel If the problem is with the compartment thermistor the the letters EE and the SERVICE annunciator will flash on the LCD See Figure 3 75 Prior to serial 1728753 the letters EE and the drawer location annunciators will flash on the LCD If there is a problem with the evaporator thermistor the SERVICE annunciator alone will flash on the LCD See Figures 3 76 Prior to serial 1728753 the drawer location annunciators alone will flash on the LCD NOTE Correcting repairing the thermistor problem will clear the Thermistor Malfunction Error Indicator SERVICE A UNIT REFRIGERATOR COLDER IARMER Goes ON OFF EE and SERVICE flashing Figure 3 75 427R Refrigerator Compartment Thermistor Fault EE amp SERVICE Flashing Prior to Serial 1728753 EE and the Drawer Location Annunciators Will Flash SERVICE REFRIGERATOR m IARMER A ON OFF SERVICE alone flashing Figure 3 76 427R Refrigerator Evaporator Thermistor Fault SERVICE alone Flashing Prior to Serial 1728753 the Drawer Location Annunciators Alone Will Flash MODEL 427R REFRIGERATOR ELECTRONIC COMMUNICATION ERROR INDICATORS If a communication error between the 427R refrigerator control panel and the refrigerator control board occurs the LCD will display either EO or See Figures 3 77 and 3 78 UNIT ON OFF REFRIGERATOR COLDER

400 - Southern Coastal

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