REF Series Undercounter Refrigerator
Contents
1. HAZ KY DRY I S EVAPORATOR UD CAPILLARYTUBE l LE SERVICE PORT f PRESSOR CONDENSER Uu Ne NSSSSSSSSSESNSSESSSSSSS Zeg I i e HIGH SIDE HIGH PRESSURE VAPOR HIGH PRESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR Refrigerator troubleshooting guide Before calling for service 1 Check that unit is plugged in 2 Test outlet with another appliance to verify power Symptom Refrigerator does not operate no components run Possible cause 1 Power switch faulty or in OFF position loose connection 2 Refrigerator not plugged in No power to cord 4 Temp controller not energizing control relay 5 Defective control relay 6 Probe not sensing cut in temperature C5 Solution 1 2 3 4 Turn power switch to ON position check switch and connections Connect plug Restore power Check controller contact terminals for power Replace controller if needed Replace relay Replace controller and or probe Compressor and condenser fan do not run Compressor does not run 1 Condensing unit power cord not plugged in to socket 2 Control relay contacts not closing 1 Thermal overload open or defective 2 Capacitor and or re2. refrigerator to slide easily during installation the stabilizing legs can be extended to clear the bottom of the refrigerator panels To access the stabilizing legs remove the lower front panel Turn the legs clockwise to lower and counterclockwise to raise Shelving adjustment The epoxy coated wire shelves may be adjusted in 5 increments 1 Remove shelf 2 Remove each shelf bracket by applying pressure and lifting bottom tab up and out of pilaster 3 Insert each shelf bracket in new location by inserting top curved tab and applying pressure while inserting lower tab 4 Reinsert shelf Reversing the door swing optional 1 Remove screws and latch from refrigerator cabinet Fig 1 1 2 Use flat screwdriver to carefully remove do not scratch hinge covers Fig 2 1 3 Support door and remove screws attaching hinge to refrigerator cabinet Fig 2 2 4 Cover hinge screw holes with screw hole plugs removed from opposite side 5 Reverse door and reinstall hinge screws 6 Reinstall latch on opposite side 7 Remove screws and handle from door Fig 3 1 8 Rotate handle Fig 3 2 9 Reinstall handle screws application of 242 blue Loctite to handle screws recommended Fig 1 Fig 2 Fig 3 Changing the temperature set point Follett sets the temperature controller to a 38 F set point This set point may not deliver the temperature range desired for your specific a
3. short bottle bracket into top of rear left O pilaster Fig 11 Note Use longer bottle bracket for REF5 refrigerators using cut out upper shelf accessory 4 Fill bottle with glycerin or other liquid to increase accuracy of readings by simulating the internal temperature of medications 5 Insert bottle into bottle bracket 6 Route probe through hole in refrigerator back and push Fig 12 probe down through gasketed bottle top Note Alarm probe must be placed in bottle for proper system operation Refer to Fig 12 if attaching alarm to central monitoring or central alarm system A AC AC SPDT 1 amp 24V AC resistive relay is provided for this connection SY S SSS 8 Black White Red NC NO Com Power Sensor Output Setting alarm temperatures 1 After the installation is complete allow 30 minutes for the system to stabilize to ambient temperature 2 Calibrate temperature alarm to refrigerator display a Press SET until CAL is displayed Fig 13 1 b Press SET again to display CAL value Fig 13 1 c Press top or bottom of ADJUST arrow to show same temperature as displayed by refrigerator Fig 13 2 3 Set high alarm limit a Press SET until HSP is displayed Fig 13 1 Fig 13 C O b Press SET again to display HSP value Fig 13 1 TEMPERATURE ALARM c Press top or bottom of ADJUST arrow until desired HSP va
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5. Symphony REF Series Undercounter Refrigerator Order parts online We Installation Operation and Service Manual Before service number B59000 Following installation please forward this manual to the appropriate operations person FOX 4 EF 801 Church Lane PO Box D Easton PA 18044 USA Toll free 800 523 9361 888 2 FOLLETT UL 00104109R09 Cool Ideas For Ice Management 610 252 7301 Fax 610 250 0696 www follettice com Follett Corporation Equipment Return Policy Follett equipment may be returned for credit under the following conditions 1 The equipment is new and unused 2 A return authorization number has been issued by customer service within 30 days after shipment 3 Follett receives the equipment at the factory in Easton PA within 30 days after issuance of the return authorization number 4 The equipment must be returned in Follett packaging If the packaging has been damaged or discarded Follett will forward at the customer s expense new packaging Note Return freight charges are the responsibility of the customer If equipment is returned and is damaged because of improper packaging Follett Corporation will not be held responsible Credit will be issued when The equipment has been inspected by Follett and deemed suitable to be returned to stock Note A15 restocking charge will be deducted
6. an Seal bushing rear panel Finishing plug Leveling leg Strain relief power cord Temperature controller Control relay retrofit kit from clear plastic relay Control relay retrofitted refrigerators Power cord Socket each 2 required Power switch flush mount before svc B28296 Power switch recessed mount after svc B28296 Strain relief wiring front panel 14 Part 00105015 00113910 00105023 00103507 502287 00105031 00105080 00105049 00103291 00108092 00103283 00105346 00105353 00105361 00105056 00105379 00105064 00105387 00103275 00105072 00105098 00114512 00105536 00103432 00105403 00103358 00133264 00133272 00103903 00103887 502209 00114371 00105577 Temperature alarm accessory Reference Description Part Not shown Bottle kit includes bottle bracket and gasket 00113779 Not shown Controller kit includes battery probe and power supply 00108175 Not shown Gasket bottle 00112029 Not shown Bracket bottle 00112011 Not shown Bottle 00112037 Not shown Battery 00112177 Not shown Screws includes two for securing cover 00115063 Not shown Label controller cover 00115071 Not shown Temperature probe 00115097 Pyxis accessory Not shown Pyxis door bracket 00114702 15 FOL HETT 801 Church Lane PO Box D Easton PA 18044 USA Toll free 800 523 9361 888 2 FOLLETT 00104109R09 Ch e Cool Ideas For Ice Management 610 252 7301 Fax 610 250 0696 www follettice com
7. de energizing the control relay coil The relay contacts reopen which de energizes the evaporator and condenser fan motors and the compressor Any accumulated frost on the evaporator coils melts during the off cycle The condensate drains to the plastic drain pan mounted above the condensing unit where it is evaporated by the heat from the condensing unit Temperature control The temperature control system is preset by the factory to maintain a cabinet temperature of 35 F 38 F If desired the cut in temperature of the controller can be raised to as high as 50 F by following the instructions on page 6 for changing the temperature set point The 3 F cut out differential will be maintained regardless of the controller set point Defrosting REF Series undercounter refrigerators do not require manual defrosting The unit cooler defrosts automatically when the condensing unit is in the OFF cycle Cleaning stainless steel Use only non chlorine based cleaners Cleaners containing chlorine can cause staining and pitting of the Interior Using a sponge or soft cloth clean unit with a non abrasive non chlorinated all purpose detergent Exterior Wipe exterior with a soft cloth in the direction of grain as needed Stainless steel polish may be used to enhance the finish of the unit Annual cleaning Removal of dust and other particulates from air intake areas and the condenser is important for proper operation Some environmen
8. from the credit If the cost to return the product to stock exceeds 15 the actual cost will be deducted Table of contents Welcome to Follett 2i 6272760civbddeds eR e NEE Sr 4 Before YOU DEON sra R RA EE Ub e ERE RC RS RUE ord 4 SpecifiBaliOllS 45 155 ics ERR ERR xe xir e eise 4 Installation procedures Lulllssslllss sells 5 Stabilizer agis ell sarria ide 5 Sealing INGUIN area a 5 Shelvingiadj sStmMmen ua uo uero d RR RUE es Gee badd dade 5 REVEISINO ODE c ser Rr RR OW OX EN dudo EXER REC BAUER RR bee RE 5 Changing the temperature set polMt o oo 6 oci EE 7 How the refrigerator WOFKS as ENN ae STEEN ARTS Oye wah ge 7 Temperature COn EE EEN 7 ej A REP S achES OO Ru RA RMEZERSERE INANIS 7 11 EEN 7 Service el EE 8 Latch Adjustment EE 8 Gasket replacement e erer po ad ida 8 Slide out compressor WAY a AEN WXCQIIRGERAESEEX da 8 WIND Gaga ERE TETTE TESTO 1t C e 7 eee ke ches 8 Refrigeration system diagram 00002 cece eee 9 Troubleshooting guide 22338002 6864s EEN 10 Accessory information 11 Temperature alan EEN 11 Xo M P 12 Replacement parts 13 Welcome to Follett Follett equipment enjoys a well deserved reputation for excellent performance long term reliability and outstanding after the sale support To ensure that this product delivers that same degree of service we ask that you take a moment to review this manual before beginning the installation Should you ha
9. lay defective 3 Compressor defective Reconnect power cord Replace relay Allow to cool or replace Replace as required Replace compressor Evaporator fan motor does not run 1 Evaporator power cord not plugged in to socket 2 Control relay contacts not closing 3 Defective fan motor Reconnect power cord Replace relay Replace fan motor Refrigerator does not shut off 1 Controller not sensing cut off temperature 2 Controller keeping control relay energized 3 Control relay stuck closed Replace controller and or probe Replace controller Replace control relay Refrigerator does not maintain temperature all components run 1 Condenser or evaporator coil needs cleaning 2 Faulty door gasket 3 Excessively high ambient 4 Refrigerant leak 5 Incorrect refrigerant charge 6 Plugged capillary tube 7 Inefficient compressor Clean coils as needed Replace door gasket Maximum recommended ambient is 100 degrees F Locate and repair leak Recover evacuate and weigh in correct charge Replace capillary tube Consult technical service If problems persist after following this basic troubleshooting guide call Follett s technical service group at 800 523 9361 888 2 FOLLETT or 610 252 7301 10 Accessories Temperature alarm Before installing alarm Fig 9 1 Remove supplied 9 volt back
10. lue is displayed Fig 13 2 4 Set low alarm limit a Press SET until LSP is displayed Fig 13 1 b Press SET again to display LSP value Fig 13 1 c Press top or bottom of ADJUST arrow until desired LSP value is displayed Fig 13 2 2 lt A Alarm operation facts The back up battery will continue to provide alarm protection during power failure but will alarm ONLY if temperatures go out of the selected range During power failure the alarm face will be dark but temperatures can be read by pressing the RESET button To see the highest or lowest temperature since last reset press the button until HI or LOW appears To clear log value press RESET Because the temperature alarm display simulates the true temperature of stored medications rather than the air temperature inside the refrigerator we suggest that staff refer to the alarm display to log temperatures for JCAHO compliance Pyxis system interface DJUST WV em Press arrow up to set F C C AN GED The Pyxis compatible door bracket interfaces with Pyxis standard lock box The bracket must be installed by Pyxis authorized installing technicians Contact Pyxis directly at 800 367 9947 for questions relating to Pyxis System operation 12 Evaporator Reference 5 Refrigeration Reference ONoOaRWD Not shown Not shown Not shown 14 Replacement parts Condensing unit Reference 11 Description Fa
11. n motor evaporator Bracket fan motor Fan blade Fan guard Evaporator includes parts above Filter drier amp capillary tube Compressor Starting capacitor Starting relay Overload protector Condenser fan motor Condenser fan blade Condensing unit Wiring strain relief Condenser Cap starting capacitor Drain tube evaporator includes clamp 13 Part 00104919 00104927 00104935 00104943 00104885 00103267 00104950 00104968 00104976 00104984 00104992 00105007 00105106 00105577 00105619 00105627 00121681 Hardware a Reference 1 Not shown COND OB W rn Not shown 9 10 Not shown Not shown 17 Not shown Electrical components 18 Not shown Not shown Description Door REF5 includes gasket Door REF4 ADA includes gasket Latch amp striker includes screws Latch screws each 3 per latch Striker screws each 2 per striker Hinge each 2 required includes screws Hinge screws each 6 per hinge Strip sealer set of 4 Gasket REF5 21 5 8 x 21 5 8 door Gasket REF4 ADA 18 5 8 x 21 5 8 door Shelves each Pilaster each Thumb screws set of 8 Shelf support snap in each Lower front panel includes 00114371 and screws Front panel screws each 6 per panel Rear panel includes screws Rear panel screws each 6 per panel Condensate tray includes screws amp spacers Key Spacer condensate p
12. oints have a built in 3 differential The 3 differential means that with a 38 F set point for example the compressor will turn on at 38 F and run through 37 36 and 35 F 3 before turning off when it reaches 34 F Because there is still refrigerant in the system there can be an additional 1 1 5 of drift down in temperature after the compressor shuts off The temperature may momentarily display as low as 32 F 32 9 F and below rounds down to 32 F before beginning to rise again Operation How the refrigerator works The temperature control board and probe indicate when the refrigeration system is required to turn on and off The probe signals the controller to turn the refrigeration system on when the interior cabinet temperature rises to the controller set point The normally open contacts of the controller close energizing the coil of the control relay Then the normally open contacts of the relay close energizing the evaporator and condenser fan motors and the compressor The compressor uses a current style starting relay and a starting capacitor to start the compressor motor The refrigeration system then removes heat from the cabinet interior and rejects it to the surrounding room air When the cabinet interior temperature falls by 3 F controller will indicate 4 F see explanation at the bottom of page 6 the probe signals the controller to turn the refrigeration system off The controller contacts reopen
13. pplication For example some medicine manufacturers suggest a storage temperature range of 36 to 46 F Therefore we have provided you with the ability to easily change the set point to meet your specific needs The changes can be made on the temperature controller located on the bottom left corner of the unit front 1 Press SET SP1 will display Fig 4 1 2 Press SET Current set point will display Fig 4 2 3 Press up or down on ADJUST to change the set point to desired temperature Fig 4 3 4 Press SET Fig 4 4 The characters on the display will disappear for a moment Fig 4 5 and then display the current temperature Fig 4 6 The new set point is now accepted Note See Fig 5 for examples of temperature ranges by set point Fig 5 Examples of temperature ranges by set point Set point Cut in Cut out Normal temperature display range 38 38 34 32 38 39 39 35 33 39 40 40 36 34 40 41 41 37 35 41 42 42 38 36 42 43 43 39 37 43 44 44 40 38 44 45 45 41 39 45 46 46 42 40 46 Fig 4 1 OUTPUT os CA IO NY _ l SET N 1 OUTPUT N 3 B ADJUST V Oee N 1 OUTPUT E u d EX Y 1 OUTPUT e ES ADJUST SS E n 1 OUTPUT ADJUST V E All set p
14. s necessary for proper door closure Slide out compressor tray Follett s slide out compressor tray allows technicians to partially slide the condensing unit from the refrigerator back without cutting refrigerant lines 1 Remove the rear panel Fig 8 1 2 Remove the two screws and spacers securing the condensate pan and set the pan aside Fig 8 2 3 Remove the two bolts securing the condensing unit to the refrigerator base Fig 8 3 4 Gently slide the condensing unit out Fig 8 4 Note Do not put undue strain on the refrigerant lines Wiring diagram NEUTRAL 12 O WI CONDENSING UNIT WHITE TEMPERATURE CONTROLLER ae 3E E 7 ON OFF o SWITCH Y BLACK Li 0 Fig 7 Note 1 Highlighted area on wiring diagram indicates jumper included on refrigerators with service numbers Service numbers B50486 to B57373 for model REF5 Service numbers B50479 to B57369 for model REF4 ADA Refrigeration system The REF Series refrigeration system is designed to give many years of trouble free service Except for routine cleaning of the air cooled condenser and related parts the refrigeration system requires no service or maintenance The system uses a capillary tube and is critically charged Access fittings are provided for ease of service However the connec
15. tion of refrigeration service hoses to the fittings will almost invariably result in a significant change in the system charge This change can adversely affect the performance of your refrigerator Therefore Follett recommends that if hoses are ever connected to the refrigeration system for service the refrigerant should be recovered the system evacuated and recharged by weighing in the correct refrigerant charge Note Do not charge the system by pressures Checking refrigeration system pressures 1 Remove the rear access panel Fig 8 2 Turn the power switch to the on position 3 Following the instructions on page 6 verify that the temperature controller is set to the original factory cut in setting of 38 F 4 Allow the refrigerator to operate and stabilize at least 30 minutes verifying the cut out temperature is being reached 5 Connect refrigerant hoses to access fittings and measure air temperature at condensor intake grille 6 Verify correct pressures with the temperature chart below Condensor inlet air temperature 70 Discharge pressure 198 Suction pressure 25 80 230 31 90 270 38 100 311 46 Troubleshoot refrigeration system as needed Note Do not attempt to obtain correct refrigeration pressures by adjusting the system charge Refrigeration system diagram
16. ts with large amounts of dust may require more frequent cleaning Fig 6 1 Disconnect power to unit by turning switch on the lower front panel to the OFF position switching circuit breaker to OFF position and removing power cord from receptacle 2 Remove lower front and rear panels Fig 6 1 Note Front louvered panel may be removed for more frequent cleaning of the condenser as needed 3 Remove drain pan Fig 6 2 4 Clean drain pan with a non abrasive non chlorinated all purpose detergent 5 Reinstall drain pan 6 Use a vacuum cleaner with brush attachment to clean condenser through lower front panel and compressor motor and related parts through lower rear panel 7 Reinstall lower rear and lower front panels Service Latch adjustment To adjust for proper latch engagement 1 Loosen striker plate mounting screws Fig 7 1 2 Move striker plate up or down as required and tighten screws 3 Test operation of latch To adjust for proper gasket seal 1 Loosen striker depth adjustment screw Fig 7 2 2 Adjust stop in or out and tighten screws 3 Test operation of latch Door gasket replacement 1 Remove existing gasket from mounting track Verify mounting track is free of any remaining gasket material 2 Align new gasket with mounting track and press firmly in place 3 Open and close door checking for proper gasket seal without pinching against refrigerator Adjust latch and or striker a
17. up battery from packing box 2 Remove 2 screws from module face and remove faceplate 3 Install back up battery on battery connector 4 Locate DIP switches on the back of the faceplate Fig 9 5 Review the factory DIP switch settings Fig 10 and make any changes required to meet the needs of your specific application 6 Reinstall faceplate O A p LL Alle O 6690 Fig 10 Dip Switch OFF factory default setting ON 1 No alarm delay 45 minute alarm delay 2 Auto reset alarm stops automatically as Manual reset of alarm user must press soon as temperature returns to set range RESET button to stop audible alarm even if temperature has returned to set range 3 amp 4 Audible alarm on No audible alarm 3 Enables 5 min alarm snooze Enables 45 min alarm snooze when reset button is pressed with 4 on when reset button is pressed with 4 off Installing alarm Fig 11 1 Mount alarm in desired location with screws supplied a by others through back of housing Do not place PAT undue strain on probe cable 1 HRK A A lt E Note Do not modify length of probe wire Probe will not measure temperature correctly if wire length is changed O o 2 Plug power cord into 110 outlet O 3 Push center tab of
18. ve any questions or require technical help at any point please call our technical service group at 800 523 9361 888 2 FOLLETT or 610 252 7301 Before you begin After uncrating and removing all packing material inspect the equipment for concealed shipping damage If damage is found notify the shipper immediately and contact Follett Corporation so that we can help in the filing of a claim if necessary Specifications Series specifications REF4 ADA 31 5 height fits below 34 high ADA compatible counter 4 0 cu ft capacity REF5 34 5 height fits below standard 36 high counter 4 8 cu ft capacity Electrical specifications 115V 60Hz 1 phase Full load amps 8 0 Minimum circuit ampacity 15 amp Maximum size of branch circuit overcurrent device 15 amp Refrigeration specifications Refrigerant R404A Charge size 8 oz Maximum design pressures High side 375psi Low side 174psi Installation specifications Ambient temperature must not exceed 100 F 38 C The front louvered panel must be kept free of any cabinet trim or obstructions to ensure proper ventilation of the refrigeration system Important cautions Equipment must be wired according to local and NEC codes Always disconnect power before servicing refrigerator Installation Leveling the refrigerator Internal stabilizing legs are provided to level the refrigerator in its final location These legs are retracted for shipping To allow the
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