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Service Manual - Scotsman Ice Systems

Contents

1. BNW LM ow GAS HARV ASSIST 1 BNW w WATER HOT GAS HARVASSIST SOLENOID SOLENOID w oA SOLENOID SOLENOID w L LINE 3 HARVEST ASSIST w SOLENOID 2 S RW HOT GAS TRANSFORMER SAX R w EN HARVESTASSIST TRANSFORMER BK SOLENOID 1 T HOT GAS VALVE 1 js WATER VALVE FAN CYCLING PRESSURE HIGH FERRETUR CONTROL SWITCH PRESSURE AIR COOLED ONLY CONTROL WC ONLY WATER LEVEL SENSOR ELECTRONIC CONTROL CONTACTOR ICE THICKNESS PROBE T T SUMP Y TEMP CURTAIN ICE SWITCH 2 DISCHARGE THICKNESS HIGH PRESSURE
2. wor an N DASHED LINES INDICATE FIELD WIRING WHICH HIST BE 5 PRES f ay LA SI DI 17 3508 01 ou USE COPPER CONDUCTORS ONLY LED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL M AND ALL STATE LOCAL CODES a CAUTION PTCR WILL BE HOT WIFE COLUR FOR 208 1 AND 115 60 1 UNITS BLACK Bu COMPRESSOR START IF RE COLOR FOR 115 60 UNITS WHITE iN RE COLOR FOR 20 D 1 UNITS BLACK TE STRIPE PIER IS COOL N BN i ul oR T 12 LINE 0 TRANSFORMER 8 Ix HIGH CONTACTOR PRESSURE COIL wr CONTROL 2 SEE NOTEA n R 0 ug M ELECTRONIC CONTROL 5 P THICK E ME W
3. AXssreounes INDICATE FELDWIRING WHICH must BE TASTALLEDIN ACCORDANCE WITA THE NATIONAL ELECTRICAL CODE ANDALL STATE AND LOCAL CODES HARVEST ASSIST 0 GAS 2 HARVEST ASSIST SOLENOID T HOT GAS TRANSFORMER CONTACTOR HIGH coL PRESSURE CONTROL WCONLY ELECTRONIC CONTROL CURTAIN THICKNESS PROBE DISCHARGE TEMP CURTAIN SWITCH 1 LIQUID LINE CONTACTOR CONTACTOR COMPRESSOR REMOTE CONDENSER FAN DISIED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES ASSTST m LIBUID M
4. LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES TRANSFORMER CONTACTOR colL ELECTRONIC CONTROL CURTAIN SWITCH Y THICKNESS PROBE DISCHARGE CURTAIN SWITCH 2 CONTACTORTI 2 PLATE UNITS FAN CYCLING PRESSURE SWITCH C COMPRESSOR oa EN 20 Fan DASHED LINES INDICATE FIELO WIRING WHICH MUST 17 3510 01 E EER NRS N cette Seo dee aes CAUTION WILL HOT WIRE COLOR FOR 208 230 80 1 115 60 1 UNITS BLACK II BN wav assist COMPRESSOR MAY NOT START IF A wiee
5. Ey Ses m SE F PER DASHED LINES INDICATE FIELD WIRING WHICH MUST 17 3549 01 N NO INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL LLL CODE AND ALL STATE AND LOCAL CODES BNW m m HIT GAS HARV ASSIS BN W lt 2 Au us ASSIS is pee Y Hr CRANKCASE HEATER I HARVEST ASSIST MOTOR 2 HOT GAS TRANSFORMER gt T2V HARVEST ASSIST MOTOR W HOT GAS O W VALVE 1 8 WATER VALVE ii m HIGH CONTACTOR PRESSURE 1 CONTACTOR 1 INTERFACE CONTROL MEMBRANE 12 12 WC ONLY BN W WATER R LEVEL Bk SENSOR ELECTRONIC CONTROL Ee i we THICKNESS FE PROBE a Ii TI WATER b 25 WY We LEVEL E 3 SENSOR irn V CURTAIN SUMP TEMP 1 WITCH ism i DISCHARGE THICKNESS MIS ELECTRINIC HIGH PRESSURE 2 PROBE
6. SUMP TE n IER SENSOR INTERFACE NI MUST SOUNDED ICE SWITCH y WY wg oe THICKNESS PROBE CURTAIN SWITCH 2 X contactor TI 2 PLATE UNITS ONLY HIGH PRESSURE Pree capt CONTROL GROUND DUMP Bur VALVE 2 Y R LIQUID LINE CRANKCASE HEATER WATER SOLENOIO Pure 5 JUNCTION PROTECTOR Bi BOX INTERNAL TERMINAL BOX GROUND 1 T FO SCREW EARTH GROUND 1 BIDS RUN Libet COMPRESSOR POWER SUPPLY SEE NAMEPLATE FOR 2 PROPER VOLTAGE REQUIREMENTS REQUIRED TD DISCONNECT ALL TO THIS UNIT foo REMOTE CONDENSER FAN _ _ AND MAXIMUM FUSE SIZE C0630R C0830R C1030R Single Phase D Series January 2015 Page 82 Wiring Diagrams 17 3359 01 USE COPPER CONDUCTORS ONLY BNW LINES INDICATE FIELD WIRING WHICH MUST INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES COLOR FOR 208 230 60 1 AND 115 60 1 UNTS BLACK uguo WATER LEVEL SENSOR 3 THICKNESS PROBE Sune Ta s ELECTRONIC CONTROL a THIS UNIT MUST BE GROUNDED C0530R Series GESSERIT
7. LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES COLOR FOR 208 230 60 1 AND 115 60 1 UNITS BLACK COLOR FOR 115 60 1 UNITS WHITE WIRE COLOR FOR 208 230 60 1 UNITS BLACK W WHITE STRIPE OR SOLENOID 1 CONTACTOR ELECTRONIC CONTROL WATER LEVEL SENSOR 9 CURTAIN SWITCH THICKNESS PROBE DISCHARGE TEMP CURTAIN SWITCH 2 CONTACTORTI 2PLATE UNITS ONLY FAN CYCLING PRESSURE SWITCH C won COMPRESSOR mN Cor ane 20 Am T AX DASHED LINES INDICATE FIELD WIRING WHICH MUST 17 3509 01 M Use NE CONDUCTORS ONLY IN WITH THE HATIONAL ELECTRI
8. REMOTE Poles bri CONDENSER COMPRESSOR SEE NAMEPLATE FOR ran MORETHANONE DISCONNECT MEANS MAY BE PROPER VOLINGE REQUFEMENTS L8 REQUIRED TO DISCONNECT ALL POWER TO THIS UNT AND MAXIMUM FUSE SIZE 1448 C1848R C2148R Three Phase A B Series LINES INDICATE FELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES HOT GAS O TRANSFORMER TN Don CRANKCASE HARVEST ASSIST 1 SOLENOID2 HARVEST ASSIST SOLENOID 1 1 HOTGAS VALVET HIGH CONTACTOR PRESSURE e CONTROL WCOND ELECTRONIC CONTROL Set WATER LEVEL CURTAIN SWITCH 2 THICK
9. _ N 12 LINE Y Es pune SOLENOID CRANKCASE n HEATER EEM D REOR HARVEST ASSIST D D MOTOR 2 RA GAS M TUSCE TRANSFORMER B VALVE 2 VALVE HARVEST ASSIST Lael k MOTOR 1 w FUSE GAS R 34 VALVE 1 WATER VALVE CONTACTOR USER COIL 12 13 INTERFACE PRESSURE MEMBRANE CONTROL WC BN n dn bn WATER R LEVEL BK SENSOR K M ELECTRONIC CONTROL Ld CONTACTOR BK THICKNESS 1213 PROBE n H WATER LEVEL L Y SENSOR sue Tu i ICE SWITCH 2 ELECTRINIC Top CON HL HIGH PRESSURE EARTH FREE CURTAIN CONTROL GROUND SWITCH 1 R GN Y d DUMP Y N BN BU VALVE NE CRINKCASE HEATER Kor LIDUID LINE a lt lt PROTECTOR WATER SOLENOIO Taye ls se INTERNAL TERMINAL BOX EE Lg GROUND 4 ae SCREW 1 1 1 im i 1 CONTACTOR Tm 4 x CONTACTOR CONTACTOR hs NTEREA EZ EZ net MEMBRANE pee m CURTAIN CURTAIN vins REMOTE 1 THIS UNIT SWITCH 1 SWITCH 2 1 CONDENSER 1 COMPRESSOR COMPRESSOR BE GROUNDED SEE EAEE m VORE OME DISCONNECT MEANS NAY BE XE LRUUNUEU
10. Water Temp minutes 50 70 80 90 Suction Pressure EndofFreeze 121 Discharge Endof Freeze 200 5 fo 0 C0630W Ambient Air Temp Degrees F cyce 4821055 _ 90 Cycle Time Water Temp minutes 50 70 80 90 11 11 13 Suction Pressure EndofFreeze 58 R Discharge End of Freeze o 125 pressure wo Suction Pressure Graph PSIG NANG Sb WD cio Wb 0 x HH ti ta She Sd ee el OSA el Se oe Sa ed EEN 9 9 00 09 9 00 cO cO cO 09 09 09 5 2015 70 Performance Data 0830 0 C0830A Ambient Air Temp Degrees F ice weight _ 7 7316 o 8 9 Cycle Time Water Temp minutes 50 70 80 90 14 15 16 Suction Pressure EndofFreeze 6 8 m Discharge EndofFreeze 24 Cd fo 0 C0830W Ambient Air Temp Degrees F ICONE 8 J 9 Cycle Time Water Temp minutes 50 11 13 70 12 13 80 13 14 90 14 14 15 _ SIG qu Discharge EndofFreeze 9 887 pressure psic Have _ us _ Suction Pressure Graph C0830A 70 50
11. INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AMD LOCAL CODES WIRE COLOR FOR 208 230 50 1 5 50 UNITS BLACK COLOR FOR we WIFE COLOR FOR HITE STRIPE M N Lr E 4 ET A CRANKCASE HEATER 12 LINE RAI mms T SOLENOID 1 0 TRANSFORMER mn cud VALVE Bk we Bk CONTACTOR LEE COIL x INTERFACE MEMBRANE CONTACTOR Hz r BN ELECTRONIC CONTROL BK p u T ie CH Y GE THICKNESS PRIORE CURTAIN ELECTRONIC 2 CONTROL X CONTACTER UNITS ONLY m BS HUE CUTE H H BU HU LIDUID LINE E WATER SOLENOIO lt lt JUNCTION 4 PROTECTOR FUP N BIX 11 INTERNAL TERMINAL BOX ti Sp 1 og 7 L1 l pas sensor een a d MUST COMPRESSOR 0 MORE THAN ONE DISCONNECT MEANS 7 REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT CONDENSER FAN C0530R D Series January 2015 Page 83 Wiring Diagrams 17 3054 01 qu LINE WATER SOLENOID SOLENOID USE COPPER CONDUCTORS ONLY BNW HARV ASSIST SOLENOID LINES INDICATE FIELD WIRING WHICH MUST
12. unns IS NOT ALLOWED TO COOL WIRE COLOR FOR 208 230 60 1 UNITS BLACK W WHITE STRIPE 4 W N _ LI 12 us y LINE 1 N ail i TRANSFORMER i 0 TNI RR HARVEST ASSIST TRINSEDRMER SDLENDTD 1 LN GAS VALVE x i WATER VALVE FAN CYCLING PRESSURE y oe CONTROL SWITCH 1 CONTACTORS gt rece CAIR COOLED ONLY BN PR X ATER lt lt 0 ELECTRONIC CONTROL RN ICE 26 t THICKNESS DAE PROBE we E WATER Y VY LEVEL u SENSOR eS ae DISCHARGE THICKNESS SADEAN PICR i PROBE CURTAIN EARTH GROUND SWITCH 2 Pak 2 PLATE UNITS ONLY SR CURTAIN SWITCH Mei Due 2 R VALVE aT gt BE TEF C maet d 2 2 we oo CT IDM GROUND gt A steve 4 L gers J PUMP uc oo t 1 1 we EARTH GROLNO 1 9 ERE NAMEPLATE F R POWER SUPPLY COMPRESSOR gt PROPER VOLTAGE REQUIREMENTS CAUTION MAXIMUM FUSE SIZE MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER THIS UNIT COMPRESSOR C0530 50 Hz D Series January 2015 Page 91 Repair Section Inlet Water Solenoid Valve 1 Disconnect electrical power Electrical Shock Hazard Discon
13. 285 pressure PSIG Suction Pressure Graph C1448R 32 90 70 140 120 100 80 60 PSIG 40 20 14 37 22 14 38 07 14 38 53 14 39 38 14 40 23 14 41 08 14 41 53 14 42 37 14 43 23 14 44 08 14 44 53 14 45 38 14 46 23 14 47 09 14 47 54 14 48 39 14 49 24 14 50 09 14 50 54 14 51 38 January 2015 Page 73 Performance Data 1848 Model 1848 Ambient Air Temp Degrees 6 ____ o Cycle Time Water Temp minutes 50 70 80 Suction Pressure Discharge EndofFreeze _ 227 CdS Pressure PSIG Harvest o t0 95 Model C1848W Ambient Air Temp Degrees F 9 Water Temp minutes 50 70 80 Sud Pressure End cf Freez B PSIG Uc Discharge EndofFreeze 240 7790 Pressure PSIG Harvest Suction Pressure Graph 1848 32 90 70 PSIG O i 4 H c c TAN 0n O00 000000 OOo a cd Bd od ad anuary age Performance Data 2148 Model ________ 21488 Ambient Air Te
14. CONTACTOR USER COIL INTERFACE CONTROL MEMBRANE OC ONLY W ELECTRONIC CONTROL RNN Ux WATER 11 N d LEVEL LY TEMP SENSOR c CURTAIN DISCHARGE Thies 4 SUM 4 PROBE CURTAIN SWITCH 2 X contactor 11 2 PLATE UNITS ONLY PIER ggm GROLND VALVE Y LIQUID LINE CRANKCASE HEATER WATER SOLENOIO PROTECTOR INTERNAL TERMINAL Seige if tor sal B R Da PTCR 18 L 4 RUN REMOTE 1 Wore 1 CONDENSER COMPRESSOR COMPRESSOR WORE THAN ONE DISCONNECT MEANS MAY BE PROPER VOLTAGE REGUIREMENTS REQUIRED TO DISCONNECT ALL POWER TO THIS INIT 4 ______ REMOTE CONDENSER 4 January 2015 Page 90 Wiring Diagrams 17 3360 01 AR COOLED ONLY WHEN 2ND FANIS PRESENT 7 IAM w BNW aN BNW FAN CYCLING PRESSURE CONTROL SWITCH AIR COOLED ONLY ELECTRONIC CONTROL THIS UNIT MUST BE GROUNDED C0530 50 Hz C Series CURTAIN SWITCH 1 SEE NAMEPLATE POWER SI PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE MORETHAN ONE DISCONNECT MEANS MAY BE REQUIRED DISCONNECT ALL POWER TOTHIS U CAUTION CAIR COOLED ONLY USE COPPER CONDUCTORS ONLY CAUTION PTCR WILL BE HOT COMPRESSOR MAY NOT START SUPPLY NT PTCRIS NOT ALLOWED TO COOL PROTECTOR INTERNAL COMPRESSOR
15. This light is ON when the fan motor should be operating Yellow amm 4 Compressor me 3 Purge Valve Black 1 Line In Fan Pressure Control must CLOSE to operate fan motor January 2015 Page 57 Test Procedures Water Pump 1 Test using the controller s indicator lights Check the indicator light during the freeze cycle The light will be On for all but the 30 second anti slush period so observe the light for one minute When it is On check the water pump it should be operating If not check voltage to the pump If low check the voltage from the controller to ground The water pump pin is number 6 If there is voltage at that pin to ground but very low voltage at the pump motor there must be a broken wire in the harness If the voltage is low at pin 6 the controller should be replaced 2 Test using an ohmmeter Disconnect electrical power Unplug the water pump motor leads from the harness Measure the resistance of the motor windings If open replace the pump Measure resistance to ground If there is any replace the pump Brown 8 Fan Motor VY Red 1 ET White mum nlet Water Sol COMPRESSOR oz 2 2 FAN AU SOLENOID READY TO HARVEST HOT GAS Blue 6 Water Pump I T Brown mum 5 Hot Gas Valve gt White Yellow sum 4 Compressor me 3 Purge Valve Water Pump light is ON
16. Discharge End of Freeze pressure PSIG _ Hanest 88 Suction Pressure Graph C0330A 1A 70 50 10 05 51 10 06 22 10 06 51 10 07 22 10 07 51 10 08 22 10 08 51 10 09 22 10 09 51 10 10 22 10 10 52 10 11 22 10 11 52 10 12 21 10 12 52 10 13 22 10 13 52 N N N oo ud January 2015 Page 68 Performance Data 0530 Model C0530A Ambient Air Temp Degrees F Ice weight cycle 4 5 to 5 Ib 7 Water Temp minutes 50 70 80 90 16 17 19 Suction Pressure EndofFreeze 3 82 Discharge Endof Freeze 230 o o 200 Pressure PSIG Harvest 959 f 0 C0530W Ambient Air Temp Degrees F Ice weight cycle 4 5 to 5 Ib 7 8 Water Temp minutes 50 10 12 70 11 13 80 12 13 90 13 13 14 Suction Pressure EndofFreeze 33 7 4 DH Discharge End of Freeze pressure PSIG uS Suction Pressure Graph C0530A 1A 70 50 120 100 80 60 40 PSIG 20 14 46 35 14 47 06 14 47 51 14 48 36 14 49 22 14 50 07 14 50 53 14 51 38 14 52 24 14 53 09 14 53 54 14 54 40 14 55 25 14 56 10 14 56 56 14 57 41 14 58 26 14 59 13 January 2015 Page 69 Performance Data 0630 0 C0630A Ambient Air Temp Degrees F Ice weight cycle 4 5 to 5 Ib 7
17. HIGH PRESSURE PROBE CURTAIN CONTROL EARTH GROUND SWITCH 2 WATER COOLED ONLY 2 PLATE UNITS ONLY BK BK BK PROTECTOR FAN CYCLING JUNCTION INTERNAL PRESSURE x SWITCH GROUND SCREW CURTANSWTOH ee ina CAUTION POWER SUPPLY THIS UNIT MUST MORE THAN ONE DISCONNECT MEANS HAY BE PROPER VOLTAGE REOURENENTS REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT AND MAXIMUM FUSE SZE 4 BE GROUNDED mim C0830 C1030 Three Phase A B Series COOLED ONLY ON CAEN 20 ocr AN DASHED LINES INDICATE FIELD WIRING WHICH MUST FAN FAN FAN IS PRESENT 01
18. January 2015 Page 102 Optional add on control information KVS Vari Smart or KVS Adjustable ice level option The adjustable ice level control is an optional add on system consisting of an control board label and sensor The control board fits above the standard control and connects to it using connector J4 The sensor mounts to the base of the ice machine through a hole in the base The control has an adjustment knob Rotating the knob CW lowers the maximum ice level that the ice machine will maintain in the bin or dispenser When the ice level is at or above maximum for the setting the bin full light on the ultrasonic board will be ON Adjust Level Vari Smart Check Out If the machine s sump water is below 40 degrees or so the Vari Smart will only signal Bin Full at the end of a harvest cycle If above 40 it should do so at the beginning of freeze The easiest way to check it is as follows 1 Install the Vari Smart on the Prodigy 2 Set the Vari Smart on 32 Min in photo above 3 Connect power to the unit 4 Put the unit into a Manual Harvest 5 Position something about 12 from the sensor The object should be a solid flat item like a panel or manual 6 Cycle the curtain switch to terminate harvest open and close the curtain both on a two plate model 7 The unit should shut off on bin full at the end of the harvest cycle The Bin Full light will be on and a b will show in the code display
19. Board Locked ight On Restore water supply to 5 NT mpag Self Test Failed e Scale Light On Clean and sanitize 1 After the scale remover has been drained out the water distributor must be inspected for loose scale and cleaned of any Removal of the sump cover pump bracket and curtain is next to be sure those parts have been cleaned Cycle power to the controller as a final step before restarting ice making Power Status Water De scale 2 209 Sanitize On Technician Section Display eration See Manual Description Freeze Cycle Harvest Cycle Manual Harvest Bin is Full Clean Cycle Board Locked Test Mode Self Test Failed January 2015 Page 38 flashes Freeze Cycle is Pending Max Freeze Retrying achine ERES Max Freeze Time Shut Down Freeze Cycle is Pending e Scale Light On Clean and sanitize 1 flashes Max Freeze Retrying achine Max Freeze Time Shut Down Cleaning Prodigy Plus D Series All models have an indicator light that switches on to inform the user that the cleaning interval has been reached It does not stop the machine from making ice All models have a Clean mode In the D series machines it is a single step automatic system A single push of the Clean button puts the machine into a Manual Harvest to release any ice and warm up the system t
20. INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND STATE AND LOCAL CODES CRANKCASE HEATER TRANSFORMER HARVEST ASSIST SOLENOID 1 TRANSFORMER HOT GAS VALVE WATER VALVE WATER LEVEL SENSOR EI ELECTRONIC HIGH CONTACTOR PRESSURE e CONTROL COND ELECTRONIC CONTROL HIGH PRESSURE CONTROL CURTAIN 3 SWITCH TONES PROBE CURTAIN SWITCH 2 2 PLATE UNITS ONLY THIS UNIT MUST BE GROUNDED C0830R C1030R Three Phase Series Lies GN POWER SUPPLY SEE NAMEPLATE FOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE USE COPPER CONDUCTORS D REMOTE CONDENSER LIQUID LINE SOLENOID PROTECTOR INTERNAL CONTACTOR CONTACTOR CONTACTOR H COMPRESSOR COMPRESSOR MORETHAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT MES i HARV ASSIST REMOTE CONDENSER FAN DASHED LINES INDICATE FIELD W
21. Control Control Button Use from standby Control Button Use continued Compressor Electrical Chart Refrigerant Charges and Pressure Switches Compressor Amp Heat Load amp Condenser Water GPM Thermistor Cleaning A Bor C Series Cleaning D Critical Maintenance Water Level Sensor Critical Maintenance Ice Thickness Sensor Page 41 Critical Maintenance Spillway Page 42 Diagnostics Air Page 43 Diagnostics Cooled 44 Low Ice Making Capacity Cooled Page 45 Diagnostics Water Cooled Page 46 Diagnostics Water Page 47 Low Ice Making Capacity Water Cooled Page 48 Diagnostics Remote Air Cooled Page 49 Diagnostics Remote Air Cooled Page 50 Low Ice Making Capacity Remote Air Cooled Page 51 Test Procedures Sensors Page 52 Ice Thickness Sensor Page 53 Water Level Page 54 Temperature Sensors Page 55 Test Procedures Compressor Page 56 Test Procedures Fan motor Page 57 Test Procedures Water Pump Page 58 Test Procedure Purge
22. PSIG TFT TFT O TFT O N o 2 a N N Ko Ko N a N N N N N N N N N N N N N N January 2015 Page 71 Performance Data 1030 _______ C1030A Ambient Air Temp Degrees F ice weight 7 73 o 8 9 Cycle Time Water Temp minutes 50 70 80 90 Suction Pressure EndofFreeze 6 39 Discharge EndofFreze 210 CO pressure PSIG C1030W Ambient Air Temp Degrees F TITTEN 8 J 9 Cycle Time Water Temp minutes 50 70 11 80 12 1 90 12 3 Suction Pressure EndofFreeze 6 39 75 1 Discharge End of Freeze o 120 pressure PSIG Suction Pressure Graph C1030R 32A 70 50 PSIG January 2015 Page 72 Performance Data C1448 Model C1448A Ambient Air Temp Degrees F weight cycle _ 14 Ib _ _ 90 Cycle Time Water Temp minutes 50 70 80 90 Suction Pressure EndofFreeze 8 A ___ Discharge EndofFreze 250 o pesses evs Model 1448 Ambient Air Temp Degrees F weight cycle _ 14 Ib _ _ 80 90 Cycle Time Water Temp minutes 50 70 80 90 P Discharge EndofFreze 5
23. If the curtain switch remains open the controller shuts the machine down and puts it into a standby position January 2015 Page 22 Remote Schematics Remote Condenser Head Pressure Control Valve Discharge Line y Receiver Valve Liquid Line Valve Exchange Suction Evaporator Compressor Remote Condenser en 4 Hot Gas Head Control Valve Discharge Line ILZ Suction V Evaporator Hot Gas Valve _ Receiver Liquid Line Valve Suction Evaporator Accumulator January 2015 23 Compressor Electrical Component Details Compressor Operated by the compressor contactor Single phase self contained models have PTCR and run capacitor Contactor Operated by the controller and the high pressure cut out switch Line voltage coil When energized the Compressor indicator light will be ON Water Pump Operated by the controller When energized the Water Pump indicator light will be ON Inlet Water Solenoid Valve Operated by the controller Line vo
24. The requirements are Coil not previously used with mineral oil system Virgin coil preferred Correct size internal volume and capacity BTUH e Includes a headmaster valve for discharge pressure control Headmaster kit available for certain MAC condensers kit number is Fan motor on all the time or controlled to be on whenever the ice machine is operating Non Scotsman condensers must have prior Scotsman Engineering approval for warranty coverage to be in effect Precharged tubing kits The ice making head s and the remote condenser s refrigeration circuits must be connected They are designed to be connected using precharged refrigerant tubing supplied in kits of liquid and discharge tubes Several lengths are available order the one that just exceeds the length needed for the site 22 40 75 RTE10 RTE25 RTE40 RTE75 No additional refrigerant is required Note Refrigerant charge is supplied with the ice machine January 2015 Page 9 General Installation Remote Remote Condenser Location Use the following for planning the placement of the condenser relative to the ice machine see illustration on the following page Location Limits condenser location must not exceed ANY of the following limits Maximum rise from the ice machine to the condenser is 35 physical feet Maximum drop from the ice machine to the condenser is 15 physical feet Physical line set maximum length is 100 f
25. construction that conform to the local building codes including having a roofing contractor secure the condenser to the roof Remote Condenser Located Max 35 Above Ice Machine hd Max 15 rd Remote Condenser Located Below Ice Machine Condenser Distance and Location Schmatic January 2015 Page 11 General Installation Remote Precharged Line Routing Do not connect the precharged tubing until all routing and forming of the tubing is complete See the Coupling Instructions for final connections 1 Each set of pre charged tubing lines contains a 3 8 diameter liquid line and a 1 2 diameter discharge line Note The openings in the building ceiling or wall listed in the next step are the minimum sizes recommended for passing the refrigerant lines through 2 Have the roofing contractor cut a minimum hole for the refrigerant lines of 2 Check local codes a separate hole may be required for the electrical power supply to the condenser Caution Do NOT kink the refrigerant tubing while routing it 3 Route the refrigerant tubes thru the roof opening Follow straight line routing whenever possible Excess tubing may EITHER be coiled up INSIDE the building OR cut out prior to connection to the ice maker and condenser If the excess tubing is cut out after re brazing the tubing must be evacuated prior to connection to the ice maker or condenser Note brazing
26. 5 manual settings or placed on automatic The purge setting shows in the Code Display purge setting 2 Moderate 3 Standard A Automatic Water Type RO water Low TDS Setting for High TDS Very high Any with equivalent RO water typical water water TDS water conductivity not TDS less than greater than less than 10 35 256 microSiemens cm To set Switch the machine OFF by holding the Off button in until a number or the letter A shows on the display Press and release the On button repeatedly until the number on the display corresponds to the desired setting Press and release the Off switch again to return to the normal control state Product Description and Electrical Requirements See spec sheet or User s Manual for Minimum Circuit Ampacity or Maximum Fuse 5 Dimensions w xh Model Electrical 1 Usecondenser ERC211 has two circuits when two C0522s or C0530s are connected to it fan motor relay kit KCMR120 must be used to control the fan motor Not all models remain available C0522 remote and ERC211 are discontinued Ratings include the remote condenser motor as it is designed to be powered by the ice machine If connecting remote condenser independently of the ice machine use the information on the condenser s dataplate for fuse and wire sizes Table notes Medium cube models have the same electrical characteristics as Small Series revision code omitted All the listed conde
27. CURTAIN _ CONTROL CONTROL SWITCH 1 52 CONTACTOR MEN RE V EN DUMP 24 B Bk BU BU Y R VALVE CRANKCASE HEATER gt lt LIBUID LINE IT es JUNCTION PROTECTOR SOLENOID TIZIERTSTSETTS p p eax INTERNAL TERMINAL BOX IN ODS 1 4 GRUND 70 gt t SCREW 1 1 1 ES i T PTCR USER n INTERFACE RA SR MEMBRANE Et RUN HIS LI CURTAIN CURTAIN Jo ij RN 1 CONDENSER 1 COMPRESSOR COMPRESSOR US MORE THAN DISCONNECT MEANS BE SEE NAMEPLATE FIR SCONE PROPER VOLTAGE REQUIREMENTS MAXIMUM FUSE SIZE C1448R C1848R C2148R Single Phase D Series January 2015 Page 87 REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT REMOTE CONDENSER FAN Wiring Diagrams 17 3074 01 USE CONDUCTORS ONLY BNW HARV ASSIST HARV ASSIST SOLENOID SOLENOID SOLENOID WATER SENSOR SUMP TEMP SENSOR ELECTRONIC CONTACTOR CONTROL HIGH PRESSURE GNY SA CURTAIN SWITCH THIS UNIT MUST BE GROUNDED CURTAIN SWITCH
28. CURTAIN SWITCH COLOR FOR 115 60 1 UNITS WHITE WIRE COLOR FOR 208 230 60 1 UNITS BLACK W WHITE STRIPE pl GROUND 7 PROTECTOR INTERNAL EARTH GROUND 7s 5 PA E P NORETRAN ONE DISCONNECT MEANS MAY BE PROPER VOLTAGE REQURENENTS CS REQUIRED TO DISCONNECT ALL POWER TOTHIS UNT AND MAXIMUM FUSE SIZE DISCHARGE TEMP CONTACTORTI CRANKCASE HEATER TRANSFORMER ELECTRONIC CONTROL CURTAIN SWITCH 1 THICKNESS 5 PROBE CURTAIN SWITCH 2 2PLATE UNITS ONLY LIQUID LINE SOLENOID COMPRESSOR REMOTE CONDENSER USE COPPER C UNOUCTORS ONLY N DASHED LINES INDICATE FIELD WIRING WHICH MUST BE
29. EARTH CONTROL GROUND R ESI avy VALVE CURTAIN SWITCH gt BK EK EK BU BU R R LIQUID LINE fa CRANKCASE HEATER WATER SOLENOIO i ANCIN PROTECTOR FP INTERNAL TERMINAL BOX zB GROUND 1 1 9 1 1 Pu T SUMP DISCHARGE L re L pl CONTACTOR contactor CONTACTOR 5 INTERFACE iN NSENSUR MEMBRANE Nunca 1 3 A REMOTE T MUST HESS 1 CONDENSER COMPRESSOR COMPRESSOR SEE NAMEPLATE FOR FAN S TMIECT MEANS MAY B UNDED PROPER VOLTAGE REDLIIREMENTS NORE THAN DNE DISCONNECT MEANS REMOTE CONDENSER AND MAXIMUM FUSE SIZE REQUIRED DISCOMMECT ALL POWER THIS UNIT gt gt gt gt gt 2555555 e January 2015 Page 84 Wiring Diagrams NR COOLED ONLY WHEN 2ND USE COPPER CONDUCTORS ONLY SHED LINES INDICATE FELD WIRING WHICH MUSTBE FANIS PRESENT INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL 17 3071 01 SMT LOA EDS BNW ys UN AA cias somnio m wal w HARVEST ASSIST O SOLENOID 2 HOT GAS HARVEST ASSIST SOLENOID 1 HOTGAS FAN CYCLING PRESSURE 5 HIGH ame CONTROLSWITCH PRESSURE NR COOLED ONLY 4 CONTROL WCONLY BN WATER R LeveL K SENSOR K ELECTRONIC CONTROL 3 THICINESS PROBE DISCHARGE THICKNESS HIGH PRESSU
30. Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain Check switch with ohmmeter does Machine in very cold ambient Move machine to a warmer location Hot gas valve does not open Check hot gas valve check controller using test mode Harvest assist probe out of position ejector Check harvest assist mechanism spring pin not retracted should retract pin Damaged evaporator Check evaporator surface Fan motor stays on during harvest Check controller using test mode Shut down on Grounded ice thickness sensor Check sensor for dirt and position Clean minimum freeze time and check gap to evaporator surface Restricted water distributor Clean water distributor Dirty spillway surface Scrub spillway Bridge thickness too thin Adjust to correct thickness January 2015 Page 44 Low Ice Making Capacity Air Cooled Long freeze Low on refrigerant Add refrigerant if cycle time drops check for leak Incorrect superheat Check evaporator superheat if significantly low or high replace TXV Fan s cycle on and off Check pressures fans cycle at Replace fan pressure switch if too low Long Harvest Cycle Dirty evaporator De scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperatur
31. Ready to Harvest light will begin to blink on and off When it has been On continuously for 3 seconds the controller will switch the machine into a Harvest cycle Indicator Information The display shows a non blinking H The Power and Status Lights will be Green The compressor hot gas valve and one or two curtain switch lights will be ON After a few seconds the water pump purge valve and inlet water valve lights will come on The harvest assist solenoid is connected in parallel with the hot gas valve Although it is energized throughout the harvest cycle its piston does not move until the ice has become partially loosened from the evaporator plate by the action of the hot refrigerant gas passing through the evaporator serpentine The remote condenser fan motor is powered by the compressor contactor so it will be operating during the harvest cycle The water pump and purge valve will shut off when the purge level setting time has been reached either the manual time or the automatic time The inlet water valve will remain on until it fills the reservoir The Ready to Harvest light will switch Off when the ice falls from the evaporator Harvest continues until the ice slab is ejected from the evaporator and falls opening the curtain When the curtain opens the magnetic reed curtain switch opens breaking the circuit to the controller If the curtain re closes within 30 seconds the controller switches the machine back into another freeze cycle
32. Single Phase A B Series USE COPPER CONDUCTORS CODE ALL STATE AND LOCAL CODES WIRE COLOR FOR 208 230 50 AND 115 60 1 UNITS BLACK WIRE COLOR FOR 115 60 1 UNITS WHITE LINE HOT GAS HARV ASSIST WIRE COLOR FOR 208 230 60 UNITS BLACK W WHITE STRIPE 1 N ofo 0 BNW CEN OR SOLENOID CRANKCASE HEATER 12 LINE HARVEST ASSIST w 1 TRANSFORMER SOLENOID 1 0 LINE 12V TRANSFORMER HOT GAS VALVE ace 8 HIGH CONTACTOR TSER COIL rie INTERFACE MEMBRANE ur Sty ONLY 1 CONTACTOR S 1 2 12 Y ELECTRONIC CONTROL WATER R LEVEL SENSIR AN WATER PROBE THICKNESS LEVEL SENSOR CURTAIN 5 4 S 55 CURTAIN SWITCH
33. areas of this manual model numbers may include only the first five characters of the model number meaning that the cube size condenser type and voltage differences are not critical to the information listed there Scotsman reserves the right to make design changes and or improvements at any time Specifications and design are subject to change without notice January 2015 Page 3 Water The quality of the water supplied to the ice machine will have an impact on the time between cleanings and ultimately on the life of the product There are two ways water can contain impurities in suspension or in solution Suspended solids can be filtered out In solution or dissolved solids cannot be filtered they must be diluted or treated Water filters are recommended to remove suspended solids Some filters have treatment in them for suspended solids Check with a water treatment service for a recommendation RO water This machine can be supplied with Reverse Osmosis water but the water conductivity must be no less than 10 microSiemens cm Potential for Airborne Contamination Installing an ice machine near a source of yeast or similar material can result in the need for more frequent sanitation cleanings due to the tendency of these materials to contaminate the machine Most water filters remove chlorine from the water supply to the machine which contributes to this situation Testing has shown that using a filter that does not remove chlorine such a
34. ea Peers ess E COPPER CONDUCTORS INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES ya ay CAUTION PTER WILL BE E FTMPBESSHP STAR water HOT GAS HARV ASSIST RESSOR HAY STAR IF Pw w PICR IS NOT ALLOWED COOL suevo 208007 L sasn N L3 VALVE EN w i 12 LINE DIM d 0 TRANSFORMER SA em 12 HARVEST ASSIST TRANSFORMER SOLENOID 1 ae HOT GAS VALVE s pew O HIGH CONTACTOR ON CML SWR PRESSURE Um AIR COOLED ONLY BK ul 12 8 MEMBRANE To i 12 1 i LEVEL coe ELECTRONIC CONTROL E CONTACTOR THICKNESS PROBE GN Y ll SUMP v Y geo Y TEMP VA EA gt ELECTRONIC ite CONTROL 21 DISCHARGE TEMP THICKNESS m HIGH PRESSURE URBE CURTAIN CONTROL EARTH GROUNO SWITCH 2 PES WATER COOLED ONLY 2 PLATE UNITS ONLY CURTAIN SWITCH ji E BK K li R R VALVE I PROTECTOR FAN CYCLING a INTERNAL TERMINAL gx ue PRESSURE 2504 R FR PUMP ONLY WHEN APPLICABLE mn Ji R AME T MEMBRANE pangan A EONTACTOR C
35. for continuity or shorts to ground Replace if open or shorted 3 Check connections and contacts Be sure connections are tight and that the contacts are not burnt Replace any contactor with burnt contacts t COMPRESSOR Brown 8 Fan Motor AUX WATER PUMP Red pw White E EX mmm nlet Water Sol Oz T 2 o SOLENOID READY TO HARVEST GAS Blue Water Pump Brown mm 5 Hot Gas Valve 5 White Yellow 4 Compressor me 3 Purge Valve This light is ON when the compressor is operating Black 1 Line In January 2015 Page 60 Test Procedures Pressure switches There are two pressure switches Fan and High Pressure cut out Fan The fan pressure switch will open to shut the fan motor off at a certain pressure and re close at a preset higher pressure High pressure cut out The high pressure cut out switch will open at a preset pressure shutting off power to the compressor contactor After the pressure has fallen to another preset level the switch will re close and the contactor coil will be engergized To Test Fan Pressure Switch A Attach refrigeration gauge set to high side port B Unplug both wires from fan pressure control Be SURE the wire s terminals are wrapped in electrical tape to prevent short circuits to ground during the test C Connect ohmmeter to terminals of fan pressure
36. harvest If it is a two evaporator machine the controller will continue harvest until both curtains have opened If one curtain remains open the controller will shut the machine down on bin full Anytime harvest is complete the hot gas valve and harvest assist are shut off The harvest assist pin returns to its normal position by spring pressure If the curtain s re close after harvest the freeze cycle will restart January 2015 Page 18 How Works Water Cooled Freeze Cycle At start up the controller drains and refills the reservoir The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water When the reservoir has filled the compressor and water pump start After the discharge pressure has increased past the set point of the water regulating valve the water regulating valve will open and warm water will be discharged out the condenser drain The water regulating valve will modulate to maintain a relatively constant discharge pressure Water flows over the evaporator as the refrigeration system begins to remove heat When the water temperature falls to a preset point as measured by the water temperature sensor the controller shuts off the water pump for 30 seconds The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator As it forms the water flowing over the ice moves closer and closer to the metal tip of the ice t
37. has been reached It does not stop the machine from making All models have a Clean mode In A B or C series machines it is a two step user timed system After readying the machine for cleaning the first push of the Clean button drains the reservoir and refills it The cleaning process is designed to use straight nickel safe ice machine scale remover added between draining and refilling After the scale remover has been added the person cleaning the machine is in control of how long to circulate the scale remover It is important that the Sump Empty light switch on during this part of cleaning if it does not the inlet Power Status Water De scale water valve will not add water and the scale remover S Q eT cannot circulate If this occurs push off un snap the Water Level Sensor and lift slightly then push Clean Sanitize On again Asecond push of the Clean button starts the flush out process This drains and refills the reservoir until the person cleaning the machine pushes the Off button This process should last least 20 minutes to fully flush out the scale remover and loose scale itis the second push of the Clean button that clears the Cleaning Reminder Light Technician Section Code Description E Freeze Cycle moe Harvest Cycle H H flashes Manual Harvest Code CORE IO Bin is Full Ir cocoa ERE Clean Cycle eration See Manual
38. machine De Scale Light On Clean and sanitize machine Flush Setting To Change Depress Off for 3 seconds Press On to select purge 1 5 setting or A for Automatic Test Mode Depress Off for 3 seconds then depress Clean for 3 seconds Recall Diagnostic Codes Depress Off Description Froese Gye Freeze Cycle is Pending Harvest Cycle Manual Harvest Bin is Full Clean Cycle Board Locked Test Mode Off Self Test Failed Max Freeze Retrying Max Freeze Time Shut Down Max Harvest Retrying Max Harvest Time Shut Down Slow Water Fill High Discharge Temp Sump Temp Sensor Failure Discharge Temp Sensor Failure Short Freeze Retrying for 3 seconds Press Harvest repeatedly Short Freeze Thin ice 8 to go from most recent to oldest of 10 4 Upper Lights Flashing Unit Remotely Reset from Code 1 2 4 or 8 Depress Locked Out Contact Leasing Company Off then Depress On 02 4189 01 Change De Scale Notification Interval This feature is accessible only from standby Status Light Off 1 Press and hold harvest button for 3 seconds This starts the Time to Clean Adjustment Mode and displays the current time to clean setting 2 Press the clean button repeatedly to cycle through the 4 settings Prior 3 months 4 months 5 months 6 months default Effective 11 6 08 1 year 0 or disabled 4 months 6 months default 3 Push Off to confirm the selection Januar
39. not repeat the test but check the voltage to the liquid line valve coil it must receive full voltage at the liquid line lead connection at the end of the test If there is voltage and the valve does not operate replace the valve coil If there is no voltage check the controller high voltage harness connection The liquid line solenoid lead is the top wire Check voltage from it to ground at the end of the test when the Condenser Fan indicator light is On there must be voltage from this pin to ground or on 220 volt models to the other power leg Note high voltage power is supplied to the bottom pin from the contactor line Refer to the machine wiring diagram as needed 2 Test using an ohmmeter Disconnect electrical power Unplug liquid line coil from harness Measure liquid line coil resistance If open replace the liquid line valve coil Brown 8 Fan Motor pw White CONDENSOR 7 nlet Water Sol SOLENOID COMPRESSOR READY TO HARVEST HOT GAS Blue Water Pump Brown mm 5 Hot Gas Valve 5 White Yellow 4 Compressor me 3 Purge Valve Indicator light for Liquid Line Coil Black 1 Line In January 2015 Page 62 Test Procedure Inlet Water Solenoid Valve 1 Test using the controller s indicator lights Shut unit off by holding the Off button for 3 seconds Wait four minutes Push and release the On button
40. of the controller 8 Rotate the selector to the correct position and restart the ice machine Note If a Smart Board is on the machine and it is controlling the Vari Smart rotating the Vari Smart s knob will have no affect The Smart Board s control will have to be disengaged to perform this check out January 2015 Page 103 SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills ILL 60061 USA 847 215 4500 800 726 8762 WWW Scotsman ice com
41. pumping Check pump motor check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor check controller using test mode Check compressor start components check PTCR resistance and temperature Check compressor voltage Check compressor windings Low refrigerant charge Add some refrigerant and restart unit If cycle time improves look for leak Hot gas valve leaks through during freeze Check hot gas valve for hot outlet during freeze Thermostatic expansion valve bulb loose Check bulb Thermostatic expansion valve producing very Check evaporator superheat change low or very high superheat TXV if incorrect Compressor inefficient Check compressor amp draw if low and all else is correct change compressor January 2015 Page 46 Diagnostics Water Cooled Likely Cause Probable Solution Shut down on Ice bridge thickness too small not enough ice Check and adjust if needed maximum harvest time to open curtain Ice bridge thickness too large ice frozen to Check and adjust if needed evaporator frame Purge valve does not open water melts ice Check purge valve bridge not enough ice to open curtain Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain Check switch with ohmmeter does Machine in very cold ambient Move machine to a warmer l
42. requires a nitrogen purge If the excess tubing is to be coiled spiral it horizontally to avoid excess trapping in the lines 5 Have the roofing contractor seal the holes in the roof per local codes Coupling Instructions The couplings on the ends of the pre charged line sets are self sealing when installed properly Follow these instructions carefully These steps must be performed by an EPA Certified Type II or higher technician Initial Connections 1 Remove the protector caps and plugs Wipe the seats and threaded surfaces with a clean cloth to remove any possible foreign matter 2 Lubricate the inside of the couplings especially the threads and O rings with refrigerant oil 3 Position the fittings on the correct connections on the condenser and ice machine Final Connections 4a Begin by tightening the couplings together by hand until it is certain that the threads are properly engaged 4b Then using two wrenches tighten the coupling until it bottoms out or a definite increase in resistance is felt It is important that ONLY the nut on the pre charged tube be turned or the diaphragms will be torn out by the piercing knives and they will be loose in the refrigeration system Note As the couplings are tightened the diaphragms in the quick connect couplings will begin to be pierced As that happens there will be some resistance to tightening the swivel nut 4c Continue tightening the swivel nut until it bottoms out or a
43. run for a total of 20 seconds After which everything will turn off for 5 seconds After that time the HGV will open and you ll be able to hear the hissing as the pressure is equalized 10 seconds later the fan will turn on if air cooled and fan control jumped After 10 seconds all will be off and the output test will be complete January 2015 Page 31 Control Button Use continued Change De Scale Notification Interval Like the others this feature is accessible only from standby Status Light Off 1 Press and hold harvest button for 3 seconds Starts the Time to Clean Adjustment State and displays the current time to clean setting 2 Press the clean button repeatedly to cycle through the 4 possible settings Rev 5 and up 10 08 production start 1 year 8760 hours 0 disabled 4 months 2920 hrs 6 months 4380 hours default Prior 6 months 5 months 4 months 3 months 3 Press Off or leave untouched for 60 seconds to select the displayed interval Test Mode Sequence Table Air or Water Cooled 0 WiV 30seonds 7 Comp Fan Test Mode Remote 0 WiV 30seconds 7 BV PV 80 6 7 WP January 2015 Page 32 Compressor Electrical Chart Resistance reading tolerance is 1096 Series Voltage Hz Phase Compressor Start Winding Winding Ohms Ohms C0322 or 0330 1 115 60 1 AKA9438ZX
44. the sensor when the ice is at the proper size However irregular water flow can cause premature contact resulting in a short freeze cycle small bridge long harvest and even a shut down on short freeze code 8 The primary procedure for correcting poor water flow is to scrub the spillway surface 1 Shut machine off 2 Remove right side panel liner and panel 3 Disconnect ice thickness sensor from its bracket and move out of the way 4 Scrub 4 to 6 strokes across the normal flow of water A clean nylon scrubbing pad is the recommended tool 5 Reassemble all components and retest operation Spillway Surface T 4 gem y a Other short freeze causes include Mis adjustment of ice thickness sensor Broken bent or dismounted ice thickness sensor e Sagging water distributor mounting bracket See Service Bulletin PS 9 2012 January 2015 Page 42 Diagnostics Cooled No ice Likely Cause Probable Solution No power to unit Power disconnected Check breaker or fuse Reset or replace restart and check No power to controller Replace transformer Shut down on maximum Water shut off Restore water supply water fill time Shut down on maximum Water leak Check purge valve curtain sump pump freeze time hose Connected to hot water Check for bleed thru from missing check valve in building water supply Incomplete harvest Check harvest system High pressure
45. there is another the machine will shut the machine off for another 50 minutes and then restart If it fails a third consecutive time the controller will shut the machine down and must be manually reset Time between resets 50 minutes Number of automatic resets 2 Max water fill time 5 minutes Machine will attempt a restart every 20 minutes Max discharge temp 250 degrees F Time interval between cleanings 6 months power on time adjustable in one month increments can be set at 6 5 4 or 3 months of power up time Manual harvest time 3 minutes Pump down interval remote only 12 hours Pump down is 30 seconds of compressor only on time Minimum compressor off time 4 minutes Continuous Run Time Maximum Cycles 200 Restarts Power Interruption The controller will automatically restart the ice machine after adequate voltage has been restored e H blinks on code display e Status indicator light blinks Reservoir is drained and refilled Default harvest is initiated The curtain switch does not have to open to terminate harvest harvest will continue until the default harvest time expires Default harvest time is 3 minutes The machine will then return to a normal freeze cycle Water Interruption controller will attempt to fill the reservoir every twenty minutes until it is successful January 2015 Page 30 Control Button Use from standby Set purge level 1 5
46. very definite increase in resistance is felt no threads should be showing 5 Use a marker or pen to mark a line on the coupling nut and unit panel Then tighten the coupling nut an additional one quarter turn The line will show the amount that the nut turns Do NOT over tighten 6 After all connections have been made and after the receiver valve has been opened open at Initial Start Up check the couplings for leaks January 2015 Page 12 Pre Charged Tubing Coupling Connections Inspect couplings wipe clean and lubricate both parts with polyolester refrigerant oil Hand tighten to be sure threads are properly engaged Use two wrenches and continue tightening the couplings As the diaphragms being to pierce the couplings will be harder to turn Be sure only the swivel nut is rotated Continue tightening until the swivel nut feels like it is tight then go to the next step No threads will be seen when the couplings are tight After the swivel nut feels like it is tight mark the nut and the panel Then tighten one quarter turn more That ensures that there is a brass to brass joint inside the coupling January 2015 Page 13 General Installation Remote Plumbing Requirements All models require connection to cold potable water A hand actuated valve within site of the machine is required Water Filters Install a new cartridge if the filters were used with a prior machine All models require drain tu
47. wire from J10 to ground Reconnect electrical power The Ready for Harvest light should go ON 2 COMPRESSOR A TP1 Oz z 2 AU SOLENOID HOT GAS READY HARVEST Ready To Harvest light is ON when water contacts ice Ice Thickness Sensor thickness sensor January 2015 Page 53 Water Level Sensor 1 Test using the controller s indicator lights sump empty and sump full Unit must be powered up and there must be water in the sump Add some manually if needed Locate water level sensor Release from sump cover and slowly lift up until the mid length probe is out of the water The sump empty light should come on and if the unit is on the inlet water solenoid valve will open to fill the reservoir Return the water level sensor to its normal position If the unit is on and calling for ice the water will fill until the top probe is in contact with it at that time the sump full light will switch ON 2 Test with an ohmmeter Disconnect electrical power Open the control box cover Unplug the connector at J9 Locate water level sensor and remove it from the sump cover Test 1 Place one lead of the ohmmeter on the longest probe and the other on the controller end of the red wire there should be continuity Test 2 Place one lead on the controller end of the white wire and the other on the mid length probe there should be continuity Test 3 Place on lead on the controller en
48. 1 is minimum 5 is maximum or Automatic Hold off button in for 3 seconds Release Press and release the On button to cycle through and select one of the five purge settings or to use the Automatic setting Recall diagnostic code Hold off button in for 3 seconds Release Press and release the Harvest button to cycle through each of the last 10 error codes from most recent to oldest Clear diagnostic code Hold Clean and Harvest buttons in for 3 seconds to clear all prior codes If clean mode begins push Off Reset control Depress and release Off then depress and release On Start Test Mode Hold Off button in for 3 seconds Release Hold Clean button in for 3 seconds Release Lock Unlock control Hold On button in for 3 seconds keep holding then press and release Off twice Empty reservoir Hold Clean button in for 3 seconds Release Pump and purge valve will be ON for 30 seconds Repeat as needed Test Mode Depress Off for 3 seconds release Then depress Clean for 3 seconds The sump will fill the first 30 seconds of the test If the sump is full it will overflow into the bin At 30 seconds the WIV will shut off and the WP will turn on You will be able to see and hear the water running over the plates After 10 seconds the PV and will turn on Water will be purging from the machine After 10 more seconds the compressor will start 5 seconds later the HGV will close The compressor will
49. 223 569 20 46217 71 11592 122 3601 173 1326 224 560 21 44872 72 11308 123 3526 174 1302 225 551 22 43571 73 11031 124 3452 175 1279 226 543 23 42313 74 10763 125 3381 176 1256 227 534 24 41094 75 10502 126 3311 177 1234 228 526 25 39915 76 10247 127 3243 178 1212 229 518 26 38774 77 10000 128 3176 179 1190 230 510 27 37669 78 9760 129 3111 180 1169 231 502 28 36600 79 9526 130 3047 181 1149 232 495 29 35564 80 9299 131 2985 182 1129 233 487 30 34561 81 9077 132 2924 183 1109 234 480 31 33590 82 8862 133 2865 184 1090 235 472 32 32649 83 8652 134 2807 185 1071 236 465 33 31738 84 8448 135 2751 186 1052 237 458 34 30855 85 8250 136 2696 187 1034 238 451 35 30000 86 8056 137 2642 188 1016 239 444 36 29171 87 7868 138 2589 189 998 240 438 37 28368 88 7685 139 2537 190 981 241 431 38 27589 89 7507 140 2487 191 965 242 425 39 26835 90 7333 141 2438 192 948 243 419 40 26104 91 7164 142 2390 193 932 244 412 41 25395 92 6999 143 2343 194 916 245 406 42 24707 93 6839 144 2297 195 901 246 400 43 24041 94 6683 145 2252 196 885 247 394 44 23394 95 6530 146 2208 197 871 246 389 45 22767 96 6382 147 2165 198 856 249 383 46 22159 97 6238 148 2123 199 842 250 377 47 21569 98 6097 149 2082 200 828 48 20997 99 5960 150 2042 201 814 49 20442 100 5826 151 2003 202 800 50 19903 101 5696 152 1965 203 787 January 2015 37 Cleaning A B or C Series All models have an indicator light that switches on to inform the user that the cleaning interval
50. 7 3517 0 oa roin NN BV s J D i I u 25 al LINE ME N B NK TRANSFORVER J WU K ds ET D Mm ui PRESSURE Ji aal a il Bl T i in ELECTRONIC CONTROL WATER 6 Ah 3 n ELECTRONIC 1 p CONTROL HE Sie i HE any EARTH GRDUND STOLE DIL ET X CURTAIN S P pu M MOTOR EMI SU MM N Ed Q Ut 0 i sue reve m D N _ SEE m srt fi CAUTION Hn ETE WIE INT THAN DE DITNETT HAS MI E REQUIRED DISCONNECT ALL POWER TO THIS UNIT O 2 COMPRESSOR C1448 C1848 Single Phase D Series January 2015 Page 85 Wiring Diagrams AIR COOLED ONLY 2 USE COPPER CONDUCTORS ONLY
51. A 59 Ice Machine C0330 6 C0330 32 C0522 or 0530 1 C0530 6 C0530 32 C0530 1 C0530 6 C0530 32 C0722 0630 32 C0630 6 C0830 32 C0830 6 C0830 3 C1030 32 C1030 6 C1030 3 C1448 32 C1448 6 269 259 nsen RSTMSCIECAA Corp 200 cord 208230501 152 202 116 136 116 136 ABD 208230003 SS cipe moso ABD 208230003 czusewc ABD moso czusswc ABD ABD 2300 czusazR ABD 208230003 January 2015 Page 33 Refrigerant Charges and Pressure Switches C0530A A or B series 0530 A thru C series 05308 A thru C series Pressure Switches Cut In Cut Out po Cut In PSIG Cut Out PSIG Fan Pressure Control 22 and 30 Fan Pressure Control 48 High Pressure Cut Out AC High Pressure Cut Out WC High Pressure Cut Out Remote January 2015 Page 34 Compressor Amp Draws amps peak and then decline during each cycle _________ Voltage BaseMode Freeze Harvest 90 Tecumseh 72 90 JTeumseh 1 6 46 5 7 90 Tecumseh 64 7 ________ Copeland 93 90 Tecumseh 66 70 2 455 3 22 25 ABD t
52. ATER m Y i i CURTAIN ELECTRONIC TERR 4 ICE SWITCH 1 CONTROL SE x THICKNESS HIGH PRESSURE CURTAIN 2 CONTROL RTH GROUND 2 2 E UNITS ONLY CURTAIN SWITCH 3 PROTECTOR TU INTERNAL BOX JUNCTION GROUND WATER FAN 4 MEW 1 EARTH GROUND SEE NAMEPLATE FOR SUPPLY PROPER VOLTAGE REQUIREMENTS CAUTTUN AND MAXIMUM FUSE SIZE THIS UNIT MORE THAN DNE DISCONNECT MEANS ee ni REQUIRED DISCONNECT ALL POWER TD THIS UNIT mm C0322 C0522 C0722 C0630 C0830 C1030 Single Phase D Series January 2015 Page 79 Wiring Diagrams 17 3358 01 FAN CYCLING PRESSURE CONTROL SWITCH AIR COOLED ONLY WATER LEVEL SENSOR ELECTRONIC CONTROL THIS UNIT MUST BE GROUNDED C0330 and C0530 C Series AIR COOLED ONLY WHEN 2ND FAN IS PRESENT BNW CAUTION 1 SEE NAMEPLATE FOR POWER SUPPLY PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE MORE THAN ONE DISCONNECT MEANS MAY REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT AIR COOLED ONLY gt USE COPPER CONDUCTORS ONLY CAUTION PTCRWILL BE HOT COMPRESSOR MAY NOT START IF PTCR IS NOT ALLOWED TO COOL
53. BE GROUNDED CURTAIN SWITCH2 USE COPPER CONDUCTORS ONLY HIGH PRESSURE CONTROL JUNCTION BOX GROUND SCREW EARTH GROUND REMOTE CONDENSER POWER SUPPLY SEE NAMEPLATE y PROPER VOLTAGE REQUIREMENTS C AND MAXIMUM FUSE SIZE C1448R C1848R C2148R Single Phase A B Series PROTECTOR INTERNAL MORE THAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES COLOR FOR 208 2301601 UNITS BLACK Are coor FoR nson unns wn THRE COLOR FOR 20623060 UNITS BLACK WWHTE CRANKCASE HEATER HARVEST ASSIST SOLENOID2 HOTGAS TRANSFORMER SOLENOID 1 HOT GAS HIGH CONTACTOR PRESSURE cor CONTROL WC ONLY ELECTRONIC CONTROL CURTAIN SWITCH 2 Por qd THICKNESS PROBE CURTAIN SWITCH 1 CONTACTOR LIQUID LINE SOLENOID COMPRESSOR CONDENSER 1
54. CAL 2 KK CODE AND ALL ID LOCAL CODES gr CAUTION PTCR WILL BE HOT A WIRE COLOR FUR 208 0 1 AND 115 60 1 UNITS BLACK 4 a i AY NOT START 5 CCMPRESSUR WIFE COLOR FOR WHITE _ 52 f sana IS NOT ALLOWED COOL WIRE COLOR FOR 5 BLACK W WHITE STRIPE _ ira SE P Bu TRANSFORMER Ds s COIL AIP COOLED DNLY gt BN 0 ELECTRON ines a PROBE 11 SUMP TEMP ELECTRONIC CONTROL i CONTACTOR 2 PLATE MLY DUMP EE o gt FAN A a SY y FAN CYCLING WATER FAN PUMP WHEN APPLICABLE gt MEMBRANE SEE NAMEPLATE FOR E CAUTION FUSE SUE THIS UNIT MORE THAN ONE DISCONNECT MEANS MAY BE GROUNDED REQUIRED DISCONNECT ALL POWER THIS UNIT 0330 and C0530 D Series January 2015 Page 80 Wiring Diagrams TENES 5 E K Use COPPER CONDUCTORS ONLY 4 M CODE AND ALL STATE AND LOCAL CODES CAUTION PTCR WILL HOT lE COMPRESSOR MAY NOT STARTIF PTOR IS NOT ALLOWED TO COOL BK FAN CYCLING PRESSURE HIGH CONTACTOR CONTROL SWITCH PRESSURE AIR COOLED ONLY 5 omo WATER LEVEL SENSOR T ELECTRONIC CONTROL CONTACTOR ELECTRONIC CONTROL CURTAIN ICE SWITCH 1 DISCHARGE THICKNESS 5
55. Components Compressor Contactor Water Pump Inlet Water Solenoid Valve Purge or purge Valve Fan Motor s Fan motor pressure control High pressure cut out certain AC models only Harvest Assist Solenoid s Hot Gas Valve s Controller Transformer 12v AC for the controller only Water Level Sensor ce Thickness Sensor Curtain Switch es January 2015 Page 15 Controller Information Machine Indicator Lights Power Status Water Clean Code Display Main codes automatically displayed ones Freeze Cycle F flashes Freeze Cycle is Pending Harvest Cycle H flashes Manual Harvest Binis Full Clean Cycle Board Locked sess Test Mode s PP Off Self Test Failed 1 flashes Max Freeze Retrying Tees Max Freeze Time Shut Down 2 flashes Max Harvest Retrying 2 Max Harvest Time Shut Down Slow Water Fill High Discharge Temp Dus Sump Temp Sensor Failure Iesu Discharge Temp Sensor Failure 8 flashes Short Freeze Retrying Short Freeze Thin ice Setting Codes requires push button sequence Water Purge Settings A 1 2 3 4 5 De Scale notification see table to the right Power Status Water De scale Sanitize Manual Clean Harvest Code Display Control Operation See Manual Water Light On Restore water supply to
56. ER PUMP meum nlet Water Sol COMPRESSOR Oz 2 Lu 2 o SOLENOID READY TO HARVEST HOT GAS Blue 6 Water Pump Brown m 5 Hot Gas Valve 5 White Y Yellow mmm 4 Compressor Y This light will be ON V when the Purge Valve is powered Red me 3 Purge Valve Black 1 Line In January 2015 Page 59 Test Procedure Compressor contactor 1 Test using the controller s indicator lights When the unit is in ice making mode continuous F in the display the compressor contactor will have power e Check the Compressor indicator light when it is on the compressor contactor will have pulled in If it is not do a voltage check Place voltmeter leads on the coil of the contactor There should be full voltage there is full voltage present and the contactor has not pulled in replace the contactor e there is no voltage check if the high pressure cut out is open If the high pressure cut out is closed check for voltage from the controller to ground The contactor pin is 4 Check from 4 to ground or on 220 volt models to the other power leg usually L2 when the compressor indicator light is on There should be voltage If not replace the controller e there is voltage at the controller but not at the contactor coil the harness wires or connectors are damaged and must be replaced 2 Test using an ohmmeter Test the coil of the contactor
57. IRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE ALL STATE AND LOCAL CODES 0830 C1030R Three Phase D Series ensem aw sason CRANKCASE HEATER HS HARVEST ASSIST Y TRANSFORMER SOLENDIO 1 i LINE 121 W TRANSFORMER gy UT DAS ABE WATER VALVE HIGH CONTACTOR am CONTROL MEMBRANE OC ONLY A lt ELECTRONIC CONTROL WATER R LEVEL BK SENSOR 54 Y 5 ae L E CONTACTOR LI IE Dt THICKNESS Y LEVEL TEMP ERIBE SENSOR x ce Y Be THICKNESS 1 A PRUBE CURTAIN SWITCH 2 2 PLATE UNITS ONLY HIGH PRESSURE
58. NESS PROBE CURTAIN SWITCH 1 DUMP LIQUID LINE SOLENOID WATER PUMP CONTACTOR CONTACTOR COMPRESSOR gt REMOTE CONDENSER FAN DASHED LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL ALL STATE AND LOCAL CODES 7 3546 0 SE COPPER CONDUCTORS 17 354 01 USE COPPER CONOUCTORS m GAS HARV ASSIST BNW i W n TEASE SOLENOID 71 PUMP BNW wW ae ee X Y _ RA M N 0 perm vae LINE N A TRANSFORMER R Y WATER R LEVEL K SS g n Ma CONTACTOR ICE m owy THICKNESS Y PROBE L2 pes Bk yp EES EA ELECTRONIC HIGH PRESSURE EARTH CONTROL CONTROL R 5 gt SM gt gt BK EK BU e g CRANKCASE HEATER D pn ipt 1 NTERNAL 19 ANNE SES pro i ee ee i TEDE BA 4 dmm p oy d 1 INTERFACE ESI ES 1 T MEMBRANE 4 1 Lh ee d THIS CURTAIN CURTAIN p d 5 S SWITCH 1 SWITCH 2 m 1 CONDEN
59. ONTACTOR PENTA TER CAUTION POWER SUPPLY ry FT MEANT X SEE NAMEPLATE F R TH 3 UNIT MUST NORE THAN ONE DISCONNECT Y BE PROPER VOLTAGE REQUIREMENTS Dr rp REQUIRED TD DISCONNECT ALL POWER THIS UNIT AND MAXIMUM FUSE SIZE BE GROUNDED COMPRESSOR C0830 C1030 Three Phase D Series January 2015 Page 81 Wiring Diagrams 17 3055 01 USE CONDUCTORS ONLY AE CODE AND ALL STATE AND LOCAL CODES COLOR FOR 208 230 60 1 AND 115 601 UNITS BLACK Bw covor For rti unis WHITE Cj WIRE COLOR FOR 208 230 60 1 UNITS BLACK WIWHITE STRIPE Ps CRANKCASE HEATER 2 TRANSFORMER TRANSFORMER HIGH CONTACTOR PRESSURE EP CONTROL WC ONLY WATER LEVEL SENSOR THICKNESS PROBE THIS UNIT MUST BE GROUNDED a 7 ELECTRONIC CONTROL 7 SWITCH 1 i T DISCHARGE THICKNESS 5 PROBE CURTAIN 1 SWITCH2 2PLATE UNITS ONLY HIGH PRESSURE 1 i CONTROL H LI __ LIQUID LINE SOLENOID PROTECTOR JUNCTION INTERNAL BOX GROUND EARTH GROUND L CURTAN SWITCH E CONDENSER COMPRESSOR POWER SUPPLY eu y VORE THAN ONE DISCONNECT MEANS MAY BE PROPER VOLTAGE REQUIREMENTS REQUIRED TO DISCONNECT ALL POWER THIS UNIT REMOTE CONDENSER FAN AND MAXIMUM FUSE SIZE C0522R C0530R C0630R C0830R C1030R
60. PROPER VOLTAGE REQUIREMENTS REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT REMOTE CONDENSER AND MAXIMUM FUSE SIZE C1448R 63 230 380 420 50 3 D Series January 2015 Page 89 Wiring Diagrams 1 31 9 0 WATER LEVEL SENSIR 1 1 ICKNESS e HIS U RI 0630 6 C0830R 6 C1030R 6 29 ES AN DASHED LINES INDICATE FIELD WIRING WHICH MUST INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CODES CRANKCASE HEATER e FUSE LINE r3 SX 29001 SD OPO GAS VALVE FUSE 0 hu ELECTRONIC CONT
61. Page 86 Wiring Diagrams 87 Wiring Diagrams 88 Wiring Diagrams Page 89 Wiring Diagrams 90 Wiring Diagrams Page 91 Repair Section ae e ges Page 92 Repair 5 Page 93 Repair 94 Repair 95 Repair 96 Repair 97 Repair 5 98 Repair 99 Refrigeration Removal and Replacement Page 100 Refrigeration Removal and Replacement Page 101 Refrigeration Removal and Replacement Page 102 Optional add on control information KVS Page 103 Model Number Description Example C0530SA 1D C cuber CB Prodigy Advanced Sustainability Cuber CL Argentina CR Brazil CA Asia 05 lt nominal ice capacity in 100s of pounds 30 nominal width of cabinet Other sizes are 22 and 48 e S Cube size S small or half dice cube M medium or full dice cube A Condenser type A air cooled W water cooled Remote 1 Electrical code 1 115 volts 32 208 230 single phase 3 208 230 three phase 6 230 50 Hz D Series revision code D Prodigy Plus Note In some
62. RE me PROBE CURTAIN CONTROL SWITCH WATER COOLED ONLY CONTACTORTI ELECTRONIC CONTROL PROTECTOR INTERNAL FAN CYCLING PRESSURE SWITCH CONLY are gt CURAN CURAN SEE NAMEPLATE FOR POWER SUPPLY COMPRESSOR Simon simon CAUTION PROPER VOLTAGE REQUIREMENTS CAUTION PTCRWILL BE HOT THIS UNIT MUST MORE THAN ONE DISCONNECT MEANS MAY BE COMPRESSOR NAY NOTSTARTIE BE GROUNDED REQUIRED TO DISCONNECT AL POWER TOTHS UNT FTCRIS NOT ALLOWED TO COOL curis C1448 C1848 C2148 Single Phase A B Series Ur mp aco r FIM Or USE COPPER ONLY T 1
63. ROL aw ig c r 9 Wt ve 12 TOW POE CURTAIN HW 1 T CONTACTOR 2 PLATE K ye VALVE wm i em 1 P 1 XN CMRESSR e FAN b REQUIRED DISCONNECT ALL POMER TO THIS 2 ____ DNDUCTURS ONLY Ac EM CODE ALL STATE ANO LOCAL CODES ASSIST t 12 CRANKCASE HEATER FUSE LINE 3 8 6 WI Quon HARVEST ASSIST SOLENDIO 1 757 GAS VALVE Cur RTAIN E MAXIMUM FLISE SIZE 0630 6 C0830R 6 C1030R 6 D Series lad w K FUSE WATER VALVE BK
64. SER 1 COMPRESSOR SEMBRA de EM PORE THAN ONE DISCONNECT WEBNS HEY BE PROPER VOLTAGE 5 AND MAXIMUM FUSE SIZE 1448 C1848R C2148R Three Phase D Series January 2015 Page 88 TO DISCONNECT ALL POWER TO THIS UNIT 12 13 HEATER PY HARVEST ASSIST FINE MOTOR 2 HOT GAS TRANSFORMER gt HARVEST ASSIST GAS VALVE 1 HIGH CONTACTOR PRESSURE INTERFACE MEMBRANE CONTROL CWC ONLY ELECTRONIC CONTROL SENSOR CURTAIN DISCHARGE 2 He PROBE CURTAIN SWITCH 1 DUMP VALVE LIQUID LINE SOLENOID re CONTACTOR COMPRESSOR REMOTE CONDENSER Wiring Diagrams 17 3250 01 THICINESS PROBE ELECTRONIC CONTROL THIS UNIT MUST sim simon BE GROUNDED C1448R 63 230 380 420 50 3 17 3550 01 USE COPPER CONDUCTORS ONLY BNW HIGH PRESSURE CONTROL JUNCTION BOK GROUND SCREW POWER SUPPLY SEE NAMEPLATEFOR PROPER VOLTAGE REQUIREMENTS AND MAXIMUM FUSE SIZE USE COPPER IDUCTIRS ONLY COMPRESSOR MORETHAN ONE DISCONNECT MEANS MAY BE REQUIRED TO DISCONNECT ALL POWERTOTHIS UNT
65. SSURE HIGH CONTACTOR CONTROL SWITCH po PRESSURE CAIR COOLED ONLY u MEMBRANE CONTROL uw v NC ONLY 1 2 131 we ER oSA LEVEL K SR Mo ELECTRONIC CONTROL m ae CONTACTOR THICKNESS PROBE em WATER AI SUMP LEVEL Y 1 SENSOR TEMP tet c CURTAIN sume TEMP E pischaRoe ness SWITCH 2 ELECTRONIC HIGH PRESSURE PROBE CURTAIN 3 CONTROL EARTH GROUND SWITCH 1 eau COOLED ONLY Toe avy VEN E VALVE gi lt PROTECTOR C FAN CYCLING an INTERNAL TERMINAL BOX PRESSURE RENE ede WATER SWITCH 1 PUMP OVE ONLY 1 ONLY i I i USER dj INTERFACE Ei E xm MEMBRANE CIRTAIN mm ck CONTACTOR SWITCH 1 SIH up pee EE CONTACTOR 7 CAUTION POWER SUPPLY CAUTION PTCP WILI 4 SEE NAMEPLATE FOR THIS UNT THAN ONE DISCONNECT MEANS MAY BE PROPER VOLTAGE REQUIREMENTS COMPRESSOR MAY NOT S X i SCONNECT Al E XD n il BE GROUNDED REQUIRED DISCONNECT ALL POWER THIS UNIT AND MAXIMUM FUSE SIZE PIER 15 NOT ALLOWE JE b COMPRESSOR C1448 Three Phase D Series January 2015 Page 86 Wiring Diagrams 17 3072 01 LINE WATER LEVEL SENSOR ELECTRONIC CONTROL CURTAIN SWITCH 1 THIS UNIT MUST
66. Scotsman Systems Prodigy Series Modular Cuber Technical Service Manual Models C0322 C0522 C0722 C0330 C0530 C0630 C0830 C1030 C1448 C1848 and C2148 Includes Prodigy Plus D Models Introduction This technical manual covers the Prodigy line excluding the Eclipse remote low side models All are shipped with an Installation and User s manual which can be referred to separately General installation information is included in this manual Contents Water purge 0 General Installation Remote General Installation Remote General Installation Remote General Installation Remote Pre Charged Tubing Coupling Connections General Installation Remote Prodigy Cuber System Information Controller Information Component Indicator Lights How It Works Air Cooled How It Works Water Cooled How It Works Electrical Sequence Air or Water Cooled Electrical Sequence Remote Cooled Remote Schematics Electrical Component Details Electrical Component Details Refrigeration Water System Control Operation
67. TEMP PROBE CURTAIN CONTROL EARTH GROUND SWITCH 1 ELECTRONIC WATER COOLED ONLY DUMP R VALVE I gt gt PROTECTOR POS FAN CYCLING x INTERNAL TERMINAL BOX PRESSURE WATER PN SWITCH GROUND es PUMP MOTOR We ONY SCREW AC ONLY ee CURTAIN CURTAIN COMPRESSOR CONTACTOR CONTACTOR SWITCH SHTOD T uy ias MESE CAUTION PTCR WILL HOT THIS UNIT MUST MORE THAN ONE DISCONNECT MEANS HAY PROPER VOLTAGE REQUIREMENTS COMPRESSOR MAY NOT START BE GROUNDED REQUIRED DISCONNECT ALL POWER THIS UNIT AND MAXIMUM FUSE SIZE PTOR IS NOTALLOWED COOL 4 4 COMPRESSOR C1448 C1848 C2148 Three Phase A B Series ATR COOLED ONLY j D wn USE COPPER CONDUCTORS ONL E Nb L 1 AN DASHED LINES INDICATE FIELD WIRING WHICH MUST BE FAN 15 PRESENT INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE AND ALL STATE AND LOCAL CIDES M aw W HOT GAS HARV ASSIS BNW Ww WATER HOT GAS HARV ASSIS SOLENOID MOTOR PUMP p 7 M SILENTIO SE SOLENOID MIR u 12 LINE ic HARVEST ASSIST foe N RA pc E CAS NL 1 2 0 TRANSFORMER 55555 VALVE 2 2 ae UN C ARVEST ASSIST TRANSFORMER MOTOR 1 W l VALVE 1 i A i WATER VALVE O LATE WES ron FAN CYCLING PRE
68. U CTO RS LY LINES INDICATE FIELD WIRING WHICH MUST BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL AIR COOLED ONLY CODE AND ALL STATE AND LOCAL CODES WHEN 2ND CAUTION PTCR WILL BE HOT JA WIRE COLOR FOR 208 230 60 1 AND 115 60 1 UNITS BLACK 17 3053 01 COMPRESSOR MAY NOT START IF WIRE COLOR FOR 115 60 1 UNITS WHITE A AA PTCR IS NOT ALLOWED TO COOL IRE COLOR FOR 208 230 60 1 UNITS BLACK WHITE STRIPE 5 HIGH PRESSURE CONTROL USED ON WC UNITS amp AC C0222 C0422 BNW 0230 C0530 C0630 PRESSURE COIL CONTROL NOTE 4 CONTROL SWITCH AIR COOLED ONLY ELECTRONIC CONTROL CURTAIN DISCHARGE THICKNESS SWITCH 1 TEMP PROBE CURTAIN SWITCH 2 CONTACTOR 1 2 PLATE UNITS ONLY HIGH PRESSURE CONTROL ELECTRONIC CONTROL NOTE 4 PROTECTOR INTERNAL JTERMINAL CURTAIN SWITCH SEENAMEPLATEFOR POWER SUPPLY COMPRESSOR PROPER VOLTAGE REQUIREMENTS CAUTION AND MAXIMUM FUSE SIZE THIS UNIT MUST MORE THAN ONE DISCONNECT MEANS MAY BE BE GROUNDED REQUIRED TO DISCONNECT ALL POWER TO THIS UNIT FAN CYCLING PRESSURE SWITCH COMPRESSOR 0322 C0522 0722 0330 C0530 C0630 C0830 C1030 Single Phase A B Series AIR COOLED ONLY gt
69. ase front curtain pin from holder e Pull curtain from machine Reverse to reassemble Note Two plate machines must place curtain on correct evaporator Exception is the articulated curtain which has magnets on both ends e Push and release the ON button to restart the machine Curtain switch 1 Push and hold the Off button to shut the machine off 2 Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning Remove front panel Remove evaporator cover Remove sound shield when used Open control box Locate curtain switch on evaporator mounting bracket Pull switch from its snaps or remove 2 screws Dismount wires from sump cover and remove from J7 or J8 connector on control board oO AN oa Reverse to reassemble Be sure wires are re mounted to sump cover edge January 2015 Page 97 Repair Section Purge valve 1 Push and hold the Off button to shut the machine off 2 Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning 3 Remove front panel 4 Remove left side panel 5 Unplug wires from valve coil Note The coil can be removed from the valve body by rotating it 1 8 turn CW After removal of the coil the spring and plunger can be taken out 6 Remove screws holding valve to mounting bracket 7 Remove inlet and outlet hoses 8 Remove valve from cabinet 9 Reverse to reassemble 10 Push and re
70. beginning in 2013 Solenoid prior to 2010 may be eligible for recall See www scotsman ice com for details Original Harvest Assist Solenoid 2010 and later Harvest Assist Solenoid Harvest Assist Mechanism use began 2013 January 2015 Page 93 Repair Section Ice thickness sensor oa kf D a Push and release the Off switch Remove front and top panels Push and release the Harvest switch Remove the evaporator cover Remove the sound shield when used Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning 10 12 13 14 Open the control box Remove curtain Locate sensor squeeze mounting legs together to release it from the mounting bracket Remove sensor follow wire back to control box Disconnect from controller connection J10 Remove sensor from machine Reverse to reassemble Set initial probe to evaporator surface gap using a 7 32 drill bit as a gauge January 2015 Page 94 Repair Section Capacitor run Disconnect electrical power Remove front panel Open control box cover Remove right side of control box Remove metal barrier from control box Remove screw holding strap to back of the control box Remove wires from capacitor Connect wires to new capacitor refer to wiring diagram as needed Reverse to reassemble Contactor Disconnect electrical power Remove front panel Open control b
71. bing to be attached to them There is a single drain fitting the back of the cabinet Install new tubing when replacing a prior ice machine as the tubing will have been sized for the old model and might not be correct for this one Connect water supply to water inlet fitting Note This NSF listed model has a 1 anti back flow air gap between the potable water inlet tube end and the highest possible reservoir water level no back flow device is required Connect drain tubing to drain fitting Route the drain tubing to building drain Follow local codes for drain air gap Use rigid drain tubes and route them separately do not Tee into the bin s drain Vent the reservoir drain A vertical vent at the back of the drain extended about 8 10 will allow the gravity drain to empty and also keep any surges during draining from discharging water Horizontal runs of drain tubing need a 4 per fall per foot of run for proper draining Follow all applicable codes Electrical The machine is not supplied with a power cord one must either be field installed or the machine hard wired The dataplate on the back of the cabinet details the power requirements including voltage phase minimum circuit ampacity and maximum fuse size HACR type circuit breakers may be used in place of fuses Extension cords are not permitted Use of a licensed electrician is recommended The ice maker is designed to operate on its own electrical c
72. control D Switch ice machine on observe pressure that the pressure control closes at compare to spec Switch unit off allow system to equalize observe pressure the pressure control opens at compare to spec To Test High Pressure Switch A Attach refrigeration gauge set to high side port B Unplug fan motor or shut water off if water cooled C Measure voltage between contactor side terminal of high pressure control and ground D Switch ice machine on observe pressure that the pressure control opens at compare to spec Allow system to equalize observe the pressure that the pressure control closes at compare to spec Transformer Check secondary voltage it must be between 10 and 15 5 AC volts Replace if no voltage is output or if above or below the acceptable voltage Controller The controller s software operation is confirmed if it is functioning Execute the test to confirm its operation of the loads Illumination of a diagnostic code other than E is not an indication of controller failure Each code requires its own diagnosis January 2015 Page 61 Test Procedures Liquid Line Solenoid 1 Test using the controller s indicator lights Put the controller into test mode depress Off for 3 seconds then depress Clean for 3 seconds At the end of the test cycle the liquid line valve will be powered and the Condenser Fan motor indicator light will be on The liquid line valve should be open at that time If it is
73. cut out opened Check fan motor pressure control check fan motor check controller using test mode Fan motor pressure control open Check fan pressure control Fan motor not turning Check fan motor check fan blade check controller using test mode Water pump not pumping Check pump motor check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor check controller using test mode Check compressor start components check PTCR resistance and temperature Check compressor voltage Check compressor windings Low refrigerant charge Add some refrigerant and restart unit If cycle time improves look for leak Hot gas valve leaks through during freeze Check hot gas valve for hot outlet during freeze Thermostatic expansion valve bulb loose Check bulb Thermostatic expansion valve producing very Check evaporator superheat low or very high superheat change TXV if incorrect Compressor inefficient Check compressor amp draw if low and all else is correct change compressor January 2015 Page 43 Diagnostics Cooled Likely Cause Probable Solution Shut down on Ice bridge thickness too small not enough ice Check and adjust if needed maximum harvest time to open curtain Ice bridge thickness too large ice frozen to Check and adjust if needed evaporator frame Purge valve does not open water melts ice Check purge valve bridge not enough ice to open curtain
74. d of the black wire and the other on the shortest probe there should be continuity If not clean the probes and recheck 3 Test the controller s water level sensor circuit Reconnect electrical power Unplug harness from water level sensor the sump empty light should be ON Jump harness wires white and black The sump full light should be ON Jump harness wires white and red the sump full and sump empty lights will be OFF Check harness wire by wire for continuity if there is no reaction from the controller during this test t COMPRESSOR READY HARVEST 7 GAS Sump Empty Light Sump Full Light January 2015 Page 54 Temperature Sensors 1 Check controller If the sensor calibration is completely out of range the code display will read either 5 or 7 2 Check with an ohmmeter e Open control box cover unplug sensor from J6 Water temperature probe Measure the temperature of the water e Push and release the clean button Wait one minute Measure the resistance of the water probe two leads next to the open socket and compare to the resistance in the chart for that temperature Any reading within 1000 ohms is acceptable Discharge sensor Measure the temperature of the discharge line as close to the sensor as possible Measure the resistance of the discharge temperature sensor two leads farthest away from the open socket on the harness connector and compa
75. does not open Check coil of valve check controller using test mode Compressor inefficient Check compressor amp draw if low and all else is correct change compressor Debris in refrigeration system Recover charge Open quick connects check for loose or missing foil Open liquid line and hot gas valves Check for debris Replace drier evacuate and weigh in nameplate charge January 2015 Page 49 Diagnostics Remote Air Cooled Likely Cause Probable Solution Shut down on Ice bridge thickness too small not enough ice Check and adjust if needed maximum harvest time to open curtain Ice bridge thickness too large ice frozen to Check and adjust if needed evaporator frame Purge valve does not open water melts ice Check purge valve bridge not enough ice to open curtain Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction Curtain switch does not open when curtain Check switch with ohmmeter does Hot gas valve does not open Check hot gas valve check controller using test mode Harvest assist probe out of position ejector Check harvest assist mechanism spring pin not retracted should retract pin Damaged evaporator Check evaporator surface Shut down on Grounded ice thickness sensor Check sensor for dirt and position Clean minimum freeze time and check gap to evaporator surface Restricted water distributor Clean water distributor Dirt
76. e False bin full signal Ice jammed in between curtain and sump Curtain does not close correctly Check curtain for proper swing Makes Excessive Noise Air cooled Likely Cause Probable Solution Fan blade vibrates Blade is bent Replace fan blade Fan motor mount is broken Replace motor mount Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting screws loose Tighten screws January 2015 Page 45 Diagnostics Water Cooled No ice Likely Cause Probable Solution No power to unit Power disconnected Check breaker or fuse Reset or replace restart and check No power to controller Replace transformer Shut down on maximum Water shut off Restore water supply water fill time Shut down on maximum Water leak Check purge valve curtain sump pump freeze time hose Ice thickness sensor dirty or disconnected Check ice thickness sensor probe Water distributor dirty Remove and clean water distributor Inlet water valve leaks through during freeze Check inlet water valve Connected to hot water Check for bleed thru from missing check valve in building water supply Incomplete harvest Check harvest system High pressure cut out opened Water supply cut off restore water supply to condenser Fan motor pressure control open Check fan pressure control Fan motor not turning Check fan motor check fan blade check controller using test mode Water pump not
77. e C0630 C0830 1030 C0630R Ambient Air Temp Degrees F weight cycle 4 4 to 4 6 Ib _ o Cycle Time Water Temp minutes 50 9 70 9 10 10 80 11 12 11 14 13 14 16 17 90 12 Suction Pressure EndofFreeze 90 Discharge EndofFreze 12455 Pressure PSiG Havest 22 22 Peak370 C0830R Ambient Air Temp Degrees F weight cyde 7 7 3 Ib _ 80 Cycle Time Water Temp minutes 50 70 90 Suction Pressure End of Freeze PSIG Discharge End of Freeze Pressure PSIG Peak 360 C1030R Ambient Air Temp Degrees F weight cycle _ 7 7 3 Ib 80 90 12 Cycle Time Water Temp minutes 50 70 80 90 EC PSIG Discharge Pressure PSIG January 2015 Page 77 Performance Data Remote 1448 1848 1448 Ambient Air Temp Degrees weight cycle 14 Ib 70 120 Cycle Time Water Temp minutes 50 80 90 14 SS NENNEN Suction Pressure End of Freeze 40 Psic 52 End of Freeze 240 cedar Ambient Air Temp Degrees F Ineweight cyce 14lb 20 7590 9 90 TE Temp minutes 50 __ p Suction Pressure PSIG Discharge Pressure PSIG Peak 370 January 2015 Page 78 Wiring Diagrams U S E CO PPE R CO N D
78. e harvest cycle begins the controller switches on the hot gas valve and through a parallel circuit the harvest assist solenoid After a few seconds the purge valve opens and water is drained from the reservoir Based on either the automatic purge or manual purge setting the pump and purge valve will be switched off at a time determined to have drained enough water for that setting The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered which occurs during the reservoir drain cycle Harvest continues as the hot discharge gas flows into the evaporator serpentine heating up the evaporator At the same time the harvest assist solenoid is pushing against the back of the ice slab When the ice releases from the evaporator it harvests as a unit and the harvest assist probe provides some additional force to push it off When the ice falls off it will force the curtain s open An open curtain during the harvest cycle signals the controller that the evaporator has released its ice If this is a single evaporator machine the controller will terminate harvest If it is a two evaporator machine the controller will continue harvest until both curtains have opened If a curtain remains open the controller will shut the machine down Anytime harvest is complete the hot gas valve and harvest assist are shut off The harvest assist pin returns to its normal position by spring pressure If the curtain s re close after harve
79. e of the machine is required Air cooled models have a single 3 8 FPT inlet water connection Water cooled models have the same inlet fitting plus an additional 3 8 FPT condenser inlet water connection Water Filters If connecting to water filtration filter only the water to the reservoir not to the condenser Install a new cartridge if the filters were used with a prior machine All models require drain tubing to be attached to them Air cooled models have a single drain fitting in the back of the cabinet Water cooled models have the same fitting plus an additional 72 FPT drain fitting in the back of the cabinet Install new tubing when replacing a prior ice machine as the tubing will have been sized for the old model and might not be correct for this one Note This NSF listed model has a 1 anti back flow air gap between the water inlet tube end and the highest possible reservoir water level no back flow device is required for the potable water inlet Drain Tubing Use rigid drain tubes and route them separately do not Tee into the bin s drain and if water cooled do not Tee the condenser drain into the reservoir or bin drain Vent the reservoir drain A vertical vent at the back of the drain extended about 8 10 will allow the gravity drain to empty and also keep any surges during draining from discharging water out the vent Horizontal runs of drain tubing need 74 fall per foot of run for proper dra
80. eet Calculated line set length maximum is 150 Calculation Formula Drop dd x 6 6 dd distance in feet Rise 7 rd x 1 7 rd 7 distance in feet Horizontal Run hd x 1 hd distance in feet e Calculation Drop s Rise s Horizontal Run dd rd hd Calculated Line Length Configurations that do NOT meet these requirements must receive prior written authorization from Scotsman Do NOT Route a line set that rises then falls then rises Route a line set that falls then rises then falls Calculation Example 1 The condenser is to be located 5 feet below the ice machine and then 20 feet away horizontally 5 feet x 6 6 33 33 20 53 This location would be acceptable Calculation Example 2 The condenser is to be located 35 feet above and then 100 feet away horizontally 35 x 1 7 59 5 59 5 100 159 5 159 5 is greater than the 150 maximum and is NOT acceptable Operating a machine with an unacceptable configuration is misuse and will void the warranty January 2015 Page 10 General Installation Remote For The Installer Remote Condenser Locate the condenser as near as possible to the interior location of the ice machine Note The location of the condenser is relative to the ice machine is LIMITED by the specification on the prior page Meet all applicable building codes Roof Attachment Install and attach the remote condenser to the roof of the building using the methods and practices of
81. en 3 Test the controller s curtain switch circuit by jumping the connectors on J1 or J2 together Reconnect electrical power When jumped the matching SW light will go out When unplugged or open the SW light will be ON gt ic 7 7 Lu Qc gt Curtain Switch Indicator Lights Light is ON when curtain is OPEN Single curtain models have one indicator light ON all the time January 2015 Page 52 Ice Thickness Sensor 1 Test using the controller s indicator light Observe the Ready To Harvest light Shut the machine off Use a wire to connect the metal part of the Ice Thickness sensor to the evaporator or simply remove the Ice Thickness Sensor and touch its metal surface to the metal control box wall The Ready for Harvest light should go ON 2 Test with an Ohmmeter Disconnect electrical power Open the control box cover Unplug the ice thickness sensor lead from the controller Connect an ohmmeter lead to the ice thickness sensor lead touch the other ohmmeter lead to the ice machine chassis There must be an open circuit If there is continuity the sensor must be replaced If there is no continuity touch the ohmmeter lead to the metal part of the ice thickness sensor There should be continuity If open check the ice thickness sensor for scale build up Clean and recheck If still open replace the ice thickness sensor 3 Test the controller s ice thickness sensor circuit by connecting a
82. ess sensor When it comes into contact with the sensor for a few continuous seconds that signals the controller that the freeze cycle is complete The controller may shut the air cooled fan motor off for a variable period of time to build up heat for harvest This is dependant upon the temperature of the discharge line sensor Harvest Cycle When the harvest cycle begins the controller shuts off the fan motor switches on the hot gas valve and through a parallel circuit the harvest assist solenoid After a few seconds the purge valve opens and water is drained from the reservoir Based on either the automatic purge or manual purge setting the pump and purge valve will be switched off at a time determined to have drained enough water for that setting The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered which occurs during the reservoir drain cycle Harvest continues as the hot discharge gas flows into the evaporator serpentine heating up the evaporator At the same time the harvest assist solenoid is pushing against the back of the ice slab When the ice releases from the evaporator it harvests as a unit and the harvest assist probe provides some additional force to push it off When the ice falls off it will force the curtain s open An open curtain during the harvest cycle signals the controller that the evaporator has released its ice If this is a single evaporator machine the controller will terminate
83. essure EndofFreeze 7 6 Maws Discharge End of Freeze pressure n8 E Suction Pressure Graph C0522A 1 70 50 N nN 13 16 19 13 17 04 13 17 49 13 18 35 13 19 20 13 20 05 13 20 50 13 21 35 13 22 20 13 23 05 13 25 20 qj 13 26 05 Performance Data C0722 Model 0722 Ambient Air Temp Degrees _ 73t075b ___ 90 Cycle Time Water Temp minutes 50 70 80 Eid Freez L 2 240 250 310 330 Suction Pressure Graph C0722A 70 50 PSIG 2 04 13 PM 2 04 53 PM 2 05 33 PM 2 06 13 PM 2 06 53 PM 2 07 33 PM 2 08 13 PM 2 08 53 PM 2 09 33 PM 2 10 13 PM 2 10 53 PM 2 11 33 PM 2 12 13 PM 2 12 53 PM 2 13 33 PM 2 14 13 PM 2 14 53 PM 2 15 23 PM 2 16 03 PM January 2015 Page 67 Performance Data 0330 C0330A Ambient Air Temp Degrees F oyde 240026 J 90 Cycle Time Water Temp minutes 50 70 80 90 Suction Pressure EndofFreeze 28 Discharge EndofFreeze 200 Pressura psig Harvest 20 C0330W Ambient Air Temp Degrees F 1240265 70 80 _ 90 Cycle Time Water Temp minutes 50 10 10 70 11 10 11 80 11 11 11 90 12 Suction Pressure EndofFreeze 8
84. g harvest cycle Water Level Sensor Three probe conductivity Distributor ABS plastic Evenly distributes water over the evaporator surface Slides off the evaporator top Removable cover for ease of cleaning January 2015 Page 28 Control Operation Standard control Electronic controller operating from a 12 AC volt power supply Will operate within a voltage range between 10 and 15 5 User s Indicator lights four front visible Power Status Water De scale Sanitize Accessible On switch Accessible Off switch Code Display Displays letters and numbers to indicate cycles and diagnostic codes Manual Harvest switch Use to trigger harvest at any time Clean switch Use to initiate and finish the de scale or sanitizing cycles Component Operation Indicator Lights Indicate the status of certain components water level ready for harvest curtain switch position Power Light On when power is being supplied to the controller Status Light Green when machine is in ice making mode and is operating correctly Blinks red when a machine malfunction has been detected Water Light Blinks red when reservoir does not fill with allowed time period De scale sanitize Yellow when the controller has determined it is time to de scale and sanitize the machine Use clean process to reset light Time is determined by power up time and controller s setting Standard setting is 6 months See adjustment process Controller Connection
85. hen it drains the reservoir and refills it The cleaning process is designed to use straight nickel safe ice machine scale remover added between draining and refilling The controller will indicate the proper time to add the scale remover by blinking A d 1 The rest is automatic the controller will circulate and then flush out the scale remover No manual timing is needed After the scale remover has been drained out the water distributor must be inspected for loose scale and cleaned of any Removal of the sump cover pump bracket and curtain is next to be sure those parts have been cleaned De scale Status Water 52 Sanitize Code Description IE Freeze Cycle is Pending TII Harvest Cycle H flashes Manual Harvest Code 5 _ ation See Manual 4 est Mode j ight On Restore water supply to p off pe Qaem Self Test Failed e Scale Light On Clean and sanitize 1 flashes Max Freeze Retrying achine Max Freeze Time Shut Down January 2015 Page 39 Critical Maintenance Water Level Sensor t H ae 4 HN HIT A Ba 1 NEN 5 Clean entire probe be sure circled area is clean January 2015 Page 40 Critical Main
86. hickness sensor When it comes into contact with the sensor for a few continuous seconds that signals the controller that the freeze cycle is complete Harvest Cycle When the harvest cycle begins the controller switches on the hot gas valve and through a parallel circuit the harvest assist solenoid After a few seconds the purge valve opens and water is drained from the reservoir Based on either the automatic purge or manual purge setting the pump and purge valve will be switched off at a time determined to have drained enough water for that setting The inlet water valve will open to fill the reservoir anytime the mid length probe is uncovered which occurs during the reservoir drain cycle Harvest continues as the hot discharge gas flows into the evaporator serpentine heating up the evaporator At the same time the harvest assist solenoid is pushing against the back of the ice slab When the ice releases from the evaporator it harvests as a unit and the harvest assist probe provides some additional force to push it off When the ice falls off it will force the curtain s open An open curtain during the harvest cycle signals the controller that the evaporator has released its ice If this is a single evaporator machine the controller will terminate harvest If it is a two evaporator machine the controller will continue harvest until both curtains have opened If a curtain remains open the controller will shut the machine down on bin full Anyti
87. hreephase Copelna 4535 5 three phase Copeland 4432 0 threephase Copeland 7 72 45 165 57 0 threephase Copeland 14 threephase Copeland 105 72 4 ABD Ithreephase Copeland 135 8 13142 January 2015 Page 35 Heat Load amp Condenser Water Air Cooled Average heat load for air conditioning unit sizing Water Cooled Water Use condenser only 4 O 6 4 January 2015 Page 36 Thermistor Values Deg F Ohms Deg F Ohms Deg F Ohms Deg F Ohms Deg F Ohms 0 85325 51 19381 102 5569 153 1927 204 774 1 82661 52 18873 103 5446 154 1890 205 761 2 80090 53 18381 104 5325 155 1855 206 749 3 77607 54 17903 105 5208 156 1819 207 737 4 75210 55 17439 106 5093 157 1785 208 724 5 72896 56 16988 107 4981 158 1752 209 713 6 70660 57 16551 108 4872 159 1719 210 701 7 68501 58 16126 109 4766 160 1687 211 690 8 66415 59 15714 110 4663 161 1655 212 679 9 64400 60 15313 111 4562 162 1624 213 668 10 62453 61 14924 112 4463 163 1594 214 657 11 60571 62 14546 113 4367 164 1565 215 646 12 58752 63 14179 114 4273 165 1536 216 636 13 56995 64 13823 115 4182 166 1508 217 626 14 55296 65 13476 116 4093 167 1480 218 616 15 53653 66 13139 117 4006 168 1453 219 606 16 52065 67 12812 118 3921 169 1427 220 597 17 50529 68 12494 119 3838 170 1401 221 587 18 49043 69 12185 120 3757 171 1375 222 578 19 47607 70 11884 121 3678 172 1350
88. ining Follow all applicable codes Electrical See the spec sheet or User s Manual for Minimum Circuit Ampacity or Maximum Fuse Size ratings The machine is not supplied with a power cord one must either be field installed or the machine hard wired The dataplate on the back of the cabinet details the power requirements including voltage phase minimum circuit ampacity and maximum fuse size HACR type circuit breakers may be used in place of fuses Extension cords are not permitted Use of a licensed electrician is recommended Electrical connections are made inside the junction box in the back panel of the ice machine Follow all applicable local state and national codes January 2015 Page 6 Adjustments Bridge Thickness 1 8 to 3 16 inch bridge Too Thick Correct Correct Too Thin Small Medium Caution Do not make the bridge too thin or the machine will not harvest properly Bridge thickness adjustments are not covered by warranty Shut machine off Access the ice thickness sensor Check gap between metal tip and evaporator grid Standard gap is 7 32 inch To set 7 32 drill bit between sensor tip and evaporator to check Adjust gap using adjustment screw Restart unit and check ice bridge Repeat as needed Water purge setting The water purge is factory set to the Automatic setting The setting can be changed to one of
89. ircuit and must be individually fused Voltage variation must not exceed the limits listed earlier The remote condenser is designed to be powered from the ice machine A separate knockout hole has been provided in the ice maker electrical junction box Electrical connections are made inside the junction box in the back panel of the ice machine Remove the junction box cover and route the power cord through the access hole and properly attach the power supply wires to the leads in the junction box Attach the remote condenser fan motor wires to the wires in the junction box tagged fan motor leads Install field supplied strain reliefs per code Attach a ground wire to the ground connection in the junction box Check voltage when complete Return the junction box cover to its original position and secure with the original screws Follow all applicable local state and national codes January 2015 Page 14 Prodigy Cuber System Information Overall System Type Refrigeration Mechanical either air cooled water cooled or remote cooled Water System Inlet water solenoid valve fills reservoir once per cycle Purge solenoid valve opens to discharge some reservoir water once per cycle Control System Electronic Harvest cycle sensor Conductivity probe Water full empty sensor Conductivity probe Bin Control Curtain Switch Ice type Unified Harvest system Hot gas defrost with mechanical assist Electrical
90. ist Recover refrigerant Remove curtain Remove water distributor Release ice thickness sensor Remove water distributor bracket from the top of the evaporator Connect nitrogen bottle to discharge access port Open both access valves Open nitrogen valve Unsweat the inlet and outlet refrigerant tubes Use caution when heating the tubing do not damage the freezing compartment walls Shut nitrogen valve Gain access to the right side of the unit Remove mounting screws holding the evaporator to the freezing compartment wall Note fastener size is 5 16 hex Remove the evaporator from the ice machine Attach new evaporator to freezing compartment wall but do not secure tightly at this time 18 19 20 21 22 2 24 25 Install the harvest assist Be sure pin moves freely thru ejection hole Open nitrogen valve Reconnect inlet and outlet tubes by brazing the copper tubes together Replace filter drier Shut access valves remove nitrogen bottle Evacuate to at least 300 microns Weigh in the nameplate charge Check for leaks Return ice thickness sensor bracket ice thickness sensor water distributor curtain and evaporator cover to their original positions Reconnect electrical power Return panels to their original positions January 2015 Page 100 Refrigeration Removal and Replacement Compressor 1 2 Remove front panel and sound shield when used If the machine was in operation p
91. lease the On button to restart the machine Water level sensor 1 Push and hold the Off button until the machine shuts off Remove the front panel Remove the sound shield Locate water level sensor eo Squeeze the locking tabs together and pull the sensor up and out of the sump Unplug the electrical connection from the sensor Reverse to reassemble January 2015 Page 98 Repair Section Water pump 1 Push and hold the Off button until the machine shuts off Electrical Shock Hazard Disconnect electrical power before beginning 2 Remove the front panel 3 Remove the sound shield 4 Unplug the water pump 5 Rotate the pump CCW about 1 8 turn to release it 6 Lift pump up and remove hose 7 Attach hose to new pump 8 Install in pump bracket 9 Rotate CW about 1 8 turn to lock it in place 10 Plug pump into harness 11 Return panels to their original positions and secure with the original screws 12 Push and release the ON button to restart the machine January 2015 Page 99 Refrigeration Removal and Replacement Evaporator 1 2 4 Remove panels needed for evaporator access Remove evaporator cover If the machine was in operation push and release the Harvest button to warm up the evaporator Disconnect electrical power A WARNING Electrical Shock Hazard Disconnect electrical power before beginning 14 15 16 17 26 27 Remove harvest ass
92. link F The component indicator lights will switch on and off to match the following process The purge valve opens and the water pump starts to empty the reservoir This is done to discharge any excess water from ice melting into the reservoir The hot gas valve and the harvest assist solenoid are energized The inlet water valve will open to fill the reservoir The water valve can open any time the water level is low After a few seconds the purge valve closes and the pump shuts off When the reservoir is full the inlet water valve stops the liquid line valve is opened and the compressor switches on Five seconds after the compressor starts the hot gas valve and the harvest assist solenoid are de energized Light Information The display shows a non blinking F The Power and Status Lights will be Green The compressor fan motor water pump sump full and one or two curtain switch lights will be ON The Freeze cycle continues When the reservoir water temperature falls to a certain preset point the water pump will shut off for 30 seconds This is the anti slush period At this time the controller checks the conductivity of the water in the reservoir for the auto purge feature After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor the
93. ltage coil When energized the Water Solenoid indicator light will be ON Purge Valve Operated by the controller Line voltage coil When energized the Purge Valve indicator light will be ON Energized for a time during harvest Fan Motor s Operated by the controller and the fan pressure control Can cycle on and off in the freeze cycle always off during harvest When the controller has energized it the indicator light will be ON but the fan will not turn unless the discharge pressure is high enough to close the high pressure control Fan s may shut off near the end of the freeze cycle to build up heat for harvest Time of shut off depends upon available heat as measured by the discharge temperature High pressure cut out Some air cooled and all remote and all water cooled models have a high pressure cut out switch that shuts the power off to the compressor contactor if the discharge pressure is too high It is an automatic reset Harvest Assist Solenoid or Motor s Operated by the controller in parallel with the hot gas valve Cycles on and off at the beginning of a restart Energized throughout the harvest cycle Line voltage coil January 2015 Page 24 Electrical Component Details Liquid Line Valve Remote only Opened by the controller to start a freeze cycle Closed to shut unit off Line voltage coil Hot Gas Valve s Operated by the controller in parallel with the harvest assist solenoid Cycles o
94. machine will function ice capacity of air cooled machines will be significantly reduced with minimal clearance at the sides back and top Some space is recommended for service and maintenance purposes on all models 6 of space at the sides and back is required for adequate operation To get the most capacity locate the machine away from heat producing appliances and heating ducts 22 and 30 inch wide models up to D series Airflow is in the left side out the back as viewed from the front 22 and 30 inch D series Airflow is in the front out the back 48 inch wide models Air flow is in the front and left side and out the back Environmental Limitations Minimum Maximum Air temperature 50 F 100 F Water temperature 40 F 100 F Water pressure 20 psi 80 psi Power supply acceptable voltage ranges Minimum Maximum 115 volt model 104 volts 126 volts 208 230 volt model 198 volts 253 volts Warranty Information The warranty statement for this product is provided separately from this manual Refer to it for applicable coverage In general warranty covers defects in material or workmanship It does not cover maintenance corrections to installations or situations when the machine is operated in circumstances that exceed the limitations printed above January 2015 Page 5 General Installation or Water Cooled Plumbing Requirements All models require connection to cold potable water A hand actuated valve within sit
95. me harvest is complete the hot gas valve and harvest assist are shut off The harvest assist pin returns to its normal position by spring pressure If the curtain s re close after harvest the freeze cycle will restart January 2015 Page 19 Works Remote Freeze Cycle At start up the controller drains and refills the reservoir The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water When the reservoir has filled the liquid line valve compressor and water pump are switched on After the discharge pressure has increased past the set point of the headmaster in the condenser the headmaster will direct refrigerant gas into the condenser and warm air will be discharged out of the condenser The headmaster will modulate to maintain a minimum discharge pressure Water flows over the evaporator as the refrigeration system begins to remove heat When the water temperature falls to a preset point as measured by the water temperature sensor the controller shuts off the water pump for 30 seconds The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator As it forms the water flowing over the ice moves closer and closer to the metal tip of the ice thickness sensor When it comes into contact with the sensor for a few continuous seconds that signals the controller that the freeze cycle is complete Harvest Cycle When th
96. mp Degrees weight cyde 1421 70 9 120 10 10 Water Temp minutes 50 70 80 11 90 14 Suction Pressure EndofFreeze 24 4 PSIG 7 ___ Discharge EndofFreeze 240 Pressure psic Model 7 1 2148 Ambient Air Temp Degrees 3 o Cycle Time Water Temp minutes 50 70 80 13 90 Suction Pressure Endof Freeze 7 a Discharge EndofFreeze 25 2 Pressure PSIG Suction Pressure Graph iO Ur wi c 4 UD MD C C CO CO ee 0 o o A A D 2015 75 Performance Data Remote C0522 0530 C0522R Ambient Air Temp Degrees F Ice weight cycle 4 4 to 4 6 Ib 20 70 80 120 Cycle Time Water Temp minutes 50 70 80 Suction Pressure a a Discharge Pressure PSIG C0530R Ambient Air Temp Degrees F weight 4 4 to 4 6 Ib 201 Cycle Time Water Temp minutes 50 70 80 90 Suction Pressure End of Freeze PSIG NA Discharge End of Freeze of Freeze Pressure PSIG Harvest 200 January 2015 Page 76 Performance Data Remot
97. n and off at the beginning of a restart Energized throughout the harvest cycle Line voltage coil Controller Senses ice thickness water level water temperature discharge temperature Controls compressor contactor fan motor water pump inlet water valve hot gas valve purge valve harvest assist solenoid Indicates status and component operation 12 volt Transformer 12 volt secondary supplies power to controller only Water Level Sensor Three probe conductivity sensor Bottom probe is common mid probe is refill sump top probe is full sump Refill can occur at any time Ice Thickness Sensor Single wire conductivity sensor Circuit made from controller to ground to controller when water contacts a probe suspended over ice plate Signals ready for harvest Curtain Switch es Magnetic reed switch Normally open switch is closed when magnet is nearby Models with two evaporators have two curtain switches Single switch can be connected to either J8 or J7 of controller Curtains may be removed in the freeze cycle without affecting controller operation A curtain removed during harvest will cause the controller to terminate harvest and shut the unit off Two curtain models require both curtains to open to terminate harvest and if either one remains open for 30 seconds that signals the controller to shut the unit off on bin full Water temperature sensor Thermistor inserted into the water pump discharge hose Rep
98. nce from Common to Run compare to the chart Measure resistance from Common to Start compare to the chart Compressor check for high amp draw Measure amp draw of starting circuit If it does not drop off immediately after start up the PTCR should be replaced It is not practical to check a PTCR for resistance at high temperatures as the resistance drops very fast as the PTCR s temperature falls If the compressor is drawing excessive amps but is operating the run capacitor may be open Disconnect electrical power discharge the capacitor and measure its resistance If open replace it If shorted to ground replace it Any time the compressor is replaced the PTCR and run capacitor should also be replaced or if the model was equipped with a potential relay start capacitor and run capacitor those should be replaced with the compressor Most Scotsman service compressors include those parts Some systems use a potential start relay and start capacitor in place of the PTCR Potential relay If the compressor will not start check the amp draw of the starting circuit If very low the potential relay contacts or start capacitor may be open Measure the resistance of the potential relay contacts and the start capacitor If either is open it should be replaced If the compressor starts but draws very high amps from the starting circuit the potential relay may not switch off In that case the relay should be replaced January 2015 Page 56 Te
99. nect electrical power before beginning 2 Shut off the water supply 3 Remove front and left side panels 4 Unplug wire from coil 5 Disconnect water supply tube from the inlet of the valve 6 Disconnect the water outlet tube 7 Remove the two mounting screws holding the valve to the back panel 8 Pull the valve forward and out of the machine Fan Blade or Motor 1 Push and release the Off button 2 Disconnect electrical power 3 Remove front panel sound shield and left side panel 4 Unplug fan motor wire leads 5 Remove fan motor mounting brackets from shroud Note Fastener size is 3 8 hex 6 Carefully remove fan motor and blade assembly from machine cabinet 7 Loosen set screw pull fan blade from motor shaft 8 If the blade is the only part being changed reverse to reassemble Note blade mounts purge to end of motor shaft 9 If the motor will be changed remove mounting brackets from fan motor Note Fastener size is 74 hex 10 Reverse to reassemble January 2015 Page 92 Repair Section Harvest Assist Solenoid Mechanism 1 Remove front panel 2 Push and release Manual Harvest button 3 Disconnect electrical supply A WARNING Electrical Shock Hazard Disconnect electrical power before beginning 4 Remove sound shield when used 5 Unplug wires from solenoid or mechanism 6 Remove screws and solenoid or mechanism from cabinet 7 Reverse to reassemble Note Solenoid replaced by mechanism
100. nsers include a headmaster valve January 2015 Page 8 General Installation Remote Location Limitations This ice system is made up of three parts the ice making machine or head the remote condenser and the interconnecting tubing The ice making machine must be installed indoors in a controlled environment Space must be provided near the machine for service access The remote condenser may be installed above or below the ice machine per the limits stated later in this manual The remote condenser may be installed outdoors within the temperature limits listed below The interconnecting tubing must be installed per the directions stated in this manual and the amount of tubing exposed to uncontrolled temperatures must be minimized Space Limitations Although the machine will function with no clearance to the top and sides some space must be allowed for service access Building the machine in with no access will cause higher service cost in many cases this extra cost may not be covered by warranty Environmental Limitations ice machine Minimum Maximum Air temperature 50 F 100 F Water temperature 40 F 100 F Water Pressure 20 psi 80 psi Environmental Limitations remote condenser Minimum Maximum Air temperature 20 F 120 F Power Supply Minimum Maximum 115 volt model 104 volts 126 volts 208 230 volt model 198 volts 253 volts Central Condenser Coils The ice machine may be connected to a central condenser coil
101. observe the Water Solenoid indicator light After the unit drains the reservoir the inlet water valve will be powered to refill the reservoir When it gets power the indicator light will be ON If the water valve does not open to fill the reservoir when its indicator light is on do a voltage check Shut the unit down by holding the Off button in for 3 seconds Unplug the harness connection from the inlet water valve Wait four minutes Push and release the On button to restart the machine After the unit drains the reservoir the inlet water valve connection should receive full voltage If it does the inlet water valve should be replaced If there is no voltage check voltage from the controller The inlet water solenoid valve pin is 7 If there is voltage from that pin to ground or on 220 volt models to the other power leg but low voltage at the valve harness connection the harness has a broken wire or poor connection and must be replaced If the voltage to ground or other leg is low the controller should be replaced 2 Test using an ohmmeter Disconnect electrical power Unplug coil from harness Measure coil resistance If open replace the inlet water solenoid Brown 8 Fan Motor M Red ww White X A mm nlet Water Sol CONDENSOR COMPRESSOR AU mmm Water Pump E Brown 5 Hot Gas Valve 5 White Yellow mmm 4 Compressor Light is ON when inle
102. ocation Hot gas valve does not open Check hot gas valve check controller using test mode Harvest assist probe out of position ejector Check harvest assist mechanism spring pin not retracted should retract pin Damaged evaporator Check evaporator surface Shut down on Grounded ice thickness sensor Check sensor for dirt and position Clean minimum freeze time and check gap to evaporator surface Restricted water distributor Clean water distributor Dirty spillway surface Scrub spillway Bridge thickness too thin Adjust to correct thickness January 2015 Page 47 Low Ice Making Capacity Water Cooled Long freeze Low on refrigerant Add refrigerant if cycle time drops check for leak Incorrect superheat Check evaporator superheat if significantly low or high replace TXV Fan s cycle on and off Check pressures fans cycle at Replace fan pressure switch if too low Long Harvest Cycle Dirty evaporator De scale water system No harvest assist Check harvest assist solenoid Bridge thickness too big Check and adjust bridge thickness Machine in very cool ambient Increase room temperature False bin full signal Ice jammed in between curtain and sump Curtain does not close correctly Check curtain for proper swing Makes Excessive Noise Water cooled Likely Cause Probable Solution Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting sc
103. oid is connected in parallel with the hot gas valve Although it is energized throughout the harvest cycle its piston does not move until the ice has become partially loosened from the evaporator plate by the action of the hot refrigerant gas passing through the evaporator serpentine The water pump and purge valve will shut off when the purge level setting time has been reached either the manual time or the automatic time The inlet water valve will remain on until it fills the reservoir The Ready to Harvest light will switch Off when the ice falls from the evaporator Harvest continues until the ice slab is ejected from the evaporator and falls opening the curtain When the curtain opens the magnetic reed curtain switch opens breaking the circuit to the controller If the curtain re closes within 30 seconds the controller switches the machine back into another freeze cycle If the curtain switch remains open the controller shuts the machine down and puts it into a standby position January 2015 Page 21 Electrical Sequence Remote Cooled Power connected unit previously switched Off Control board does a self check If the self check fails the unit displays an E and no further action will occur If the self check passes the controller will display a 0 the curtain light s will be ON and the Power and Sump Empty lights will be ON Pushing and releasing the On button will start the ice making process The display will begin to b
104. ompressor is being returned for warranty braze the stubs shut and tag the compressor with the required information January 2015 Page 101 Refrigeration Removal and Replacement Thermostatic Expansion Valve 1 2 3 Remove front panel Remove sound shield when used If the machine was in operation push and release the Harvest button to shut it down Wait until the harvest cycle has ended so the evaporator has no ice on it Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning 14 15 16 17 18 19 20 Recover refrigerant Remove insulation covering expansion valve and bulb Remove strap securing bulb to suction line Open both discharge and suction access valves Unsweat the expansion valve from the liquid line Remove it Unsweat the drier from the liquid line Remove it Connect nitrogen to discharge access valve Immediately place new valve in ice machine Open nitrogen bottle and braze expansion valve inlet and outlet joints together Braze new drier into system Shut off nitrogen shut access valves Evacuate to at least 300 microns Weigh in the nameplate charge Check for leaks Attach bulb to suction line Position at 4 or 8 o clock on the tube Secure tightly but do not crush the bulb with the strap Attach valve and bulb insulation Reconnect electrical power Return sound shield and front panel to their original positions
105. orted temperature used by the controller to determine anti slush cycle start time January 2015 Page 25 Electrical Component Details Discharge temperature sensor Thermistor attached to the discharge line near the compressor Reported temperature used by the controller to determine end of cycle fan off delay time If discharge temperature exceeds a preset maximum controller will shut the machine off Note Controller will operate machine in a default mode with thermistors disconnected from the controller Diagnostic code 5 or 7 will be displayed during that time Component Indicator Lights System Indicator Light ON Condenser Fan or Liquid Line Valve Fan Motor Powered or LLV open Water Pump Pump Motor Powered Purge Valve Purge Valve Opens Inlet Water Solenoid Valve Inlet Water Valve Opens Hot Gas Hot Gas Valve Opens Compressor Contactor Contactor Closes Ready to Harvest Water contacting ice thickness sensor probe Sump Empty Open between mid sensor and common Sump Full Closed between top probe and mid probe Curtain Switch Curtain open t COMPRESSOR TP21 CURTAIN SWIT Oz 2 2 2 Q FAN 7 AUX SOLENOID READY TO HARVEST HOT GAS January 2015 Page 26 Refrigerant 404 Compressors Copeland or Tecumseh hermetic by model Expansion valves Non adjustable internally equalized one per evaporator Hot gas valves Pilot operated line vol
106. ox cover Remove right side of control box Remove metal barrier from control box Emm gt Remove mounting screws holding contactor to control box 7 Exchange wires from old controller to new Refer to wiring diagram as needed 8 Reverse to reassemble January 2015 Page 95 Repair Section Controller 1 Disconnect electrical power Electrical Shock Hazard Disconnect electrical power before beginning Remove front panel Open control box door Unplug all wires from controller Remove screws holding controller to door p m rt Push controller snaps down and pull controller from mounting bracket 7 Before touching new controller discharge any static electricity by touching the metal surface of the ice machine cabinet 8 Rotate selector switch to the proper model number for the machine the controller is being installed on 9 Install new controller on mounting bracket secure with original screws 10 Attach all wires removed 11 Shut control box cover 12 Switch on the electrical power 11845 ues uri ll t t he Gio Y e aL LE unl REED LO 49 we 10 r9 Controller s Model Selector Switch January 2015 Page 96 Repair Section Curtain e Push and hold the Off button to shut the machine off e Remove front panel e Remove evaporator cover e Push inside tab in to rele
107. r s indicator lights If the unit is running or has been off for more than 4 minutes push and release the Harvest button The Hot Gas indicator light will be on and the hot gas valve will be energized The compressor will force discharge gas into the evaporator inlet warming it If the evaporator inlet does not warm up do a voltage check Shut the unit off by holding the Off button in for 3 seconds Unplug the high voltage harness from the hot gas solenoid Attach a voltmeter to the harness connector Wait 4 minutes Push and release the Harvest button There should be full voltage at the connector If there is and the solenoid does not open replace the solenoid coil If full voltage is not present check voltage at the controller If there is no voltage check voltage from the controller to ground or on 220 volt models to the other power leg The hot gas pin is 5 If there is voltage from that pin to ground but low voltage at the solenoid harness connection the harness has a broken wire or poor connection and must be replaced If the voltage to ground is low the controller should be replaced 2 Test with an ohmmeter Disconnect electrical power Unplug high voltage harness from hot gas or vapor valve Measure resistance of hot gas or vapor valve coil If open replace the coil CURTAIN SWIT E COMPRESSOR 02 pad Lu c 2 AUX SOLENOID READY TO HARVEST This light will be ON during har
108. re to the resistance in the chart for that temperature Any reading within 1000 ohms is acceptable 3 Alternate procedure Remove both water and discharge sensors from their places on the ice machine Put both into a container of ice water Put a thermometer in the water When the thermometer is at 32 degrees F check the resistance of each sensor The resistance should be within 1000 ohms of 32649 Water 4 Temperature Set P E A qm SS LN e NAi d i m v m THAT 2015 55 Test Procedures Compressor Failure to start Single phase models All have resistance start capacitor run type motors Check voltage to compressor at the contactor Compare the idle voltage compressor off to the active voltage compressor starting The supply voltage must not be less than the lowest rated voltage for the ice machine If the voltage is correct proceed to the next step Check starting components Most models use a PTCR to cut power to the start winding after the compressor has started Check the PTCR for resistance The resistance check must be when the PTCR is at room temperature any temperature between 50 and 100 At that temperature resistance should be very low between 25 and 50 ohms Also check resistance to ground it should be infinite If the PTCR is good check the compressor windings Measure resistance from Common to ground It should be infinite Measure resista
109. rews loose Tighten screws January 2015 Page 48 Diagnostics Remote No ice Likely Cause Probable Solution No power to unit Power disconnected Check breaker or fuse Reset or replace restart and check No power to controller Replace transformer Shut down on maximum Water shut off Restore water supply water fill time Shut down on maximum Water leak Check purge valve curtain sump pump freeze time hose Connected to hot water Check for bleed thru from missing check valve in building water supply Incomplete harvest Check harvest system High pressure cut out opened Check fan motor pressure control check fan motor check controller using test mode Fan motor not turning Check fan motor check fan blade Water pump not pumping Check pump motor check controller using test mode Pump hose disconnected Check hose Compressor not operating Check compressor contactor check controller using test mode Check compressor start components check PTCR resistance and temperature Check compressor voltage Check compressor windings Low refrigerant charge Add some refrigerant and restart unit If cycle time improves look for leak Hot gas valve leaks through during freeze Check hot gas valve for hot outlet during freeze Thermostatic expansion valve bulb loose Check bulb Thermostatic expansion valve producing very Check evaporator superheat change low or very high superheat TXV if incorrect Liquid line valve
110. s J1 Ground and Power Supply J2 High voltage power harness to loads J3 Factory use J4 Optional board connector J5 Communications port J6 Thermistor connection J7 Curtain switch 48 Curtain switch J9 Water level sensor J10 Ice thickness sensor J11 Bin thermostat Use with NO thermostat closes on temperature fall amp specified harness J13 Lower switch panel D series and higher only If no switch panel do not connect anything January 2015 Page 29 Control Safeties Max freeze time 45 minutes When exceeded the controller will attempt another freeze cycle If the next cycle s freeze time is less than maximum the control will continue normal ice making If the next freeze cycle was too long the control will again attempt another freeze cycle If the freeze cycle is too long three consecutive cycles the controller will shut the unit off and it must be manually reset Min freeze time 6 minutes If the controller switches the machine into harvest within 20 seconds of the minimum freeze time the controller will harvest for a preset time and does not stop if the curtain switch opens If this occurs again in the next three cycles the machine will shut down and must be manually reset Max harvest time 3 5 minutes If the harvest cycle has continued for 3 5 minutes without the curtain opening the controller will shut the machine off for 50 minutes and then restart If
111. s the Scotsman Aqua Patrol will greatly improve this situation while the ice making process itself will remove the chlorine from the ice resulting in no taste or odor impact Additionally devices intended to enhance ice machine sanitation such as the Scotsman Aqua Bullet can be placed in the machine to keep it cleaner between manual cleanings Water Purge Cube ice machines use more water than what ends up in the bin as ice While most water is used during ice making a portion is designed to be drained out every cycle to reduce the amount of hard water scale in the machine That s known as water purge and an effective purge can increase the time between needed water system cleaning In addition this product has the capability to automatically vary the amount of water purged based on the purity of the water supplied to it The water purge rate can also be set manually Adjustments of purge due to local water conditions are not covered by warranty January 2015 Page 4 General Installation or Water Cooled Location Limitations The product is designed to be installed indoors in a controlled environment Air cooled models discharge very warm air into the room out the back Space must be allowed at the left side and back for air intake and discharge Water cooled models discharge warm water into the building s drain Space needs to be provided on both sides and above for service access Space Limitations Note Although the
112. s will be Green The compressor fan motor water pump sump full and one or two curtain switch lights will be ON The air cooled model s fan motor will start to turn when the discharge pressure has built up to the fan pressure control s cut in point This is about 15 seconds after the compressor starts The Freeze cycle continues The compressor water pump fan motor and curtain indicator lights will be ON When the reservoir water temperature falls to a certain preset point the water pump will shut off for 30 seconds This is the anti slush period At this time the controller checks the conductivity of the water in the reservoir for the auto purge feature After the water pump restarts the Sump Full light will go out and neither sump lights will be on for the rest of the freeze cycle When the ice has built up enough so that the water flowing over the evaporator comes into continuous contact with the ice level sensor the Ready to Harvest light will begin to blink on and off When it has been On continuously for 5 seconds the controller will switch the machine into a Harvest cycle Indicator Information The display shows a non blinking H The Power and Status Lights will be Green The compressor hot gas valve and one or two curtain switch lights will be ON After a few seconds the water pump purge valve and inlet water valve lights will come on The fan motor s shut off and remain off throughout the harvest cycle The harvest assist solen
113. st the freeze cycle will restart Shut down occurs when a curtain remains open after a harvest cycle The controller will switch off the liquid line solenoid valve and operate the compressor for 30 seconds then shut it off January 2015 Page 20 Electrical Sequence Air or Water Cooled Power connected unit previously switched Off Control board does a self check If the self check fails the unit displays an E and no further action will occur If the self check passes the controller will display a 0 the curtain light s will be ON and the Power and Sump Empty lights will be ON Pushing and releasing the On button will start the ice making process The display will begin to blink F The component indicator lights will switch on and off to match the following process The purge valve opens and the water pump starts to empty the reservoir This is done to discharge any excess water from ice melting into the reservoir The hot gas valve and the harvest assist solenoid are energized The inlet water valve will open to fill the reservoir The water valve can open any time the water level is low After a few seconds the purge valve closes and the pump shuts off When the reservoir is full the inlet water valve stops and the compressor switches on Five seconds after the compressor starts the hot gas valve and the harvest assist solenoid are de energized Light Information The display shows a non blinking F The Power and Status Light
114. st Procedures Fan motor 1 Test using the controller s indicator lights Note Fan pressure control connection must be jumped to perform this test Put the controller into test mode depress Off for 3 seconds then depress Clean for 3 seconds At the end of the test cycle the fan motor will be powered and the Condenser Fan motor indicator light will be on The fan motor should start and run at that time If it does not repeat the test but check the voltage to the fan motor it must receive full voltage at the fan motor lead connection at the end of the test If there is voltage and the motor does not operate replace the motor If there is no voltage check the controller high voltage harness connection The fan motor lead is the top wire Check voltage from it to ground at the end of the test when the fan motor indicator light is On there must be voltage from this pin to ground Note high voltage power is supplied to the bottom pin from the contactor line Refer to the machine wiring diagram as needed 2 Test using an ohmmeter Disconnect electrical power Unplug fan motor from harness Measure fan motor winding resistance If open replace the fan motor COMPRESSOR Oz 2 2 o SOLENOID READY TO HARVEST AU GAS Brown 8 Fan Motor M Red 3 White 7 nlet Water Sol Blue Water Pump Brown 5 Hot Gas 5 White
115. t water Red 3 Purge Valve solenoid is in operation Black Emm 1 Line In January 2015 Page 63 Test Procedure Harvest Assist 1 Test using the controller s indicator lights Push and release the Harvest button The Hot Gas indicator light will be on At the same time the Harvest Assist Solenoid or Motor will be powered If the ice on the evaporator is thin the ejection pin will extend If the ice is nearly full sized the pin will press against the ice until it releases from the evaporator then the pin will extend If the pin extends the solenoid or motor is good If not do a voltage check Unplug the high voltage harness from the harvest assist solenoid Attach a voltmeter to the harness connector Push and release the Harvest button There should be full voltage at the connector If there is and the solenoid does not extend replace the solenoid If full voltage is not present check voltage at the controller If there is no voltage check voltage from the controller to ground The hot gas harvest assist pin is 5 If there is voltage from that pin to ground but low voltage at the solenoid harness connection the harness has a broken wire or poor connection and must be replaced If the voltage to ground is low the controller should be replaced Note The coil of this valve is internally rectified will normally show infinite resistance when tested with an ohmmeter Hot Gas or Vapor Valve 1 Test using the controlle
116. tage coils One per plate Condensers Forced draft air counterflow water All air cooled models have left side air inlet 48 wide air cooled models also have front air inlet All air cooled models exhaust air out the back Air filters Surface mounted to panels Filter media removable without removing panels Fan blades Reduced vibration blades in most air cooled models Remote Systems Head pressure control valves in condenser No check valves Headmaster protected by filters not filter driers Controller pumps unit down by closing the liquid line valve and keeping the compressor on for a fixed time period at shut down Fan pressure control All AC Controls fan motor operation in the freeze cycle High pressure cut out WC RC AC with Tecumseh compressors Evaporator Unified cell plate Nickel plated copper Three heights 6 12 and 18 Small cube half dice medium cube full dice Small cube 7 8 high x 7 8 deep x 3 8 high Medium cube 7 8 high x 7 8 deep x 7 8 high January 2015 Page 27 Water System Batch type Insulated water reservoir contains full water charge for each ice making cycle Water valve Solenoid type Opens to fill reservoir when mid sensor probe no longer makes a circuit to the bottom probe Closes when reservoir is full and top probe makes circuit to mid probe Pump Unsealed pedestal type twist release mounting Water purge valve Solenoid type Opens to purge water durin
117. tenance Ice Thickness Sensor The freeze cycle on a Prodigy cuber is controlled by an ice thickness sensor positioned in front of the ice making surface It is triggered by water contact Water contacts the sensor when the ice is at the proper size During use the Ice Thickness Sensor will become coated with mineral scale from the water which if left untreated can cause changes in bridge thickness To correct the Ice Thickness Sensor must have the mineral scale removed 1 A ow Remove ice thickness sensor from water distributor bracket Separate the metal sensor from the plastic insulator bracket Wipe the sensor with diluted ice machine scale remover Scrub the white or dark gray plastic insulator bracket with diluted ice machine scale remover and remove all traces of mineral build up Wipe the wire to the bulkhead with diluted ice machine scale remover Wash all ice thickness sensor parts off with clean water Blow air thru metal sensor and insulator bracket to dry them Reassemble and remount to water distributor bracket Separate these two parts Clean them with diluted ice machine scale remover Rinse with clean water Blow dry and reassemble January 2015 Page 41 Critical Maintenance Spillway The freeze cycle on a Prodigy cuber is controlled by an ice thickness sensor positioned in front of the ice making surface It is triggered by water contact Normally water only contacts
118. ush and release the Harvest button to shut it down Wait until the harvest cycle has ended so the evaporator has no ice on it Open the replacement compressor box Check the compressor nameplate be SURE that the replacement compressor is the correct one for the unit Disconnect electrical power A WARNING Electrical Shock Hazard Disconnect electrical power before beginning 15 16 If 18 19 20 21 22 23 24 Recover refrigerant Remove compressor terminal cover and disconnect electrical leads Remove all the mounting bolts Open both discharge and suction access valves Connect nitrogen to discharge access valve Open nitrogen valve Unsweat the suction discharge and process tubes Unsweat the drier from the liquid line Remove it Shut the nitrogen valve Remove the compressor from the ice machine Note Some models may require the control box to be moved slightly to allow compressor replacement Immediately place new compressor in ice machine Open nitrogen bottle and braze compressor suction discharge and process joints together Braze new drier into system Shut off nitrogen shut access valves Evacuate to at least 300 microns Replace PTCR and run capacitor Weigh in the nameplate charge Check for leaks Reconnect electrical leads Attach compressor terminal cover Reconnect electrical power Return sound shield and front panel to their original positions Note If the c
119. valve Page 59 Test Procedure Compressor contactor Page 60 Test Procedures Pressure switches Page 61 Test Procedures Liquid Line Solenoid Page 62 Test Procedure Inlet Water Solenoid Valve Page 63 Test Procedure Harvest Assist Page 64 Performance Data 0322 Page 65 Performance Data 0522 Page 66 Performance Data 722 67 Performance Data 0330 68 Performance Data 0530 69 Performance Data 0630 70 Performance Data 0830 Page 71 Performance Data 1030 Page 72 Performance Data 1448 Page 73 Performance Data 1848 Page 74 Performance Data 2148 Page 75 Performance Data Remote C0522 C0530 76 Performance Data Remote C0630 C0830 1030 Page 77 Performance Data Remote 1448 1848 78 January 2015 Page 2 Wiring Diagrams Page 79 Wiring Diagrams Page 80 Wiring Diagrams Page 81 Wiring Diagrams 82 Wiring Diagrams 83 Wiring Diagrams Page 84 Wiring Diagrams 85 Wiring Diagrams
120. vest Both the Hot Gas Valve coil and the Harvest Assist will have power when this light is ON January 2015 Page 64 Performance Data C0322 Model 0322 Ambient Air Temp Degrees ico weightloyle 1240265 80 Water Temp minutes 50 70 80 90 Suction Pressure EndofFreeze 6 92 Discharge EndofFreeze 5 50 pressure PSIG E Model 7 1C0322W Ambient Air Temp Degrees ico weightloyle 2400260 80 Cycle Time Water Temp minutes 50 70 80 90 Suction Pressure EndofFreeze 32 180 Discharge End of Freeze pressure po 8 i Suction Pressure Graph C0322A 70 50 PSIG 14 02 00 14 02 38 14 03 23 14 04 08 14 04 53 14 05 39 14 06 24 14 07 08 14 07 54 14 08 38 14 09 24 14 10 10 14 10 54 14 11 39 14 12 24 14 13 10 January 2015 Page 65 Performance Data 0522 0522 Ambient Air Temp Degrees weight oycle 4 510 5 Ib ow Cycle Time Water Temp minutes 50 70 90 15 16 19 Suction Pressure EndofFreeze 2 a sic 0 Discharge End of Freeze 228 dO pressure PSIG po 0 C0522W Ambient Air Temp Degrees F weight oycle 4 510 5 Ib 9 Water Temp minutes 50 15 14 70 16 14 15 80 17 15 90 17 16 Suction Pr
121. when pump is operating Black mmm 1 ine In January 2015 Page 58 Test Procedure valve 1 Test using the controller s indicator lights Shut unit off by holding the Off button for seconds Wait four minutes e Push and release the On button observe the Purge Valve indicator light As the unit drains the reservoir the purge valve will be powered When it gets power the indicator light will be ON purge valve does not open to drain the reservoir when its indicator light is on do a voltage check Shut the unit down by holding the Off button in for 3 seconds Unplug the harness connection from the purge valve e Wait four minutes Push and release the On button to restart the machine As the unit drains the reservoir the purge valve connection should receive full voltage If it does the purge valve should be replaced If there is no voltage check voltage from the controller to ground The purge valve pin is 3 dump valve on wiring diagram If there is voltage from that pin to ground but low voltage at the valve harness connection the harness has a broken wire or poor connection and must be replaced e the voltage to ground is low the controller should be replaced Note The coil of this valve is internally rectified and will normally show infinite resistance when tested with an ohmmeter Brown 8 Fan Motor E ET White x FAN AUX WAT
122. y 2015 Page 16 Component Indicator Lights Condenser Fan Aux Aux liquid line solenoid when a remote condenser model Water Pump Purge Valve Water Solenoid Hot Gas Compressor Ready to Harvest Sump Empty Sump Full Curtain SW1 Curtain SW2 t COMPRESSOR TP21 CURTAIN SWIT Y A 02 7 2 c 2 Q FAN AU SOLENOID HOT GAS READY TO HARVEST January 2015 Page 17 How Works Air Cooled Freeze Cycle At start up the controller drains and refills the reservoir The reservoir refills when the mid length water level sensor probe is uncovered and continues to fill until the top probe is in contact with water When the reservoir has filled the compressor and water pump start After the discharge pressure has increased past the cut in point of the fan pressure control the fan motor s will begin to operate and warm air will be discharged out the back of the cabinet The fan motor will switch on and off as the discharge pressure rises and falls Water flows over the evaporator as the refrigeration system begins to remove heat When the water temperature falls to a preset point as measured by the water temperature sensor the controller shuts off the water pump for 30 seconds The freeze cycle resumes when the pump restarts and ice begins to form on the evaporator As it forms the water flowing over the ice moves closer and closer to the metal tip of the ice thickn
123. y spillway surface Scrub spillway Bridge thickness too thin Adjust to correct thickness January 2015 Page 50 Low Ice Making Capacity Remote Air Cooled Low on refrigerant Add refrigerant if cycle time drops check for leak Check evaporator superheat if significantly low or high replace TXV Long Harvest Cycle False bin ul signal Makes Excessive Noise Air cooled Likely Cause Probable Solution Fan blade vibrates Blade is bent Replace fan blade Fan motor mount is broken Replace motor mount Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting screws loose Tighten screws January 2015 Page 51 Test Procedures Sensors All electrical components in this ice machine be diagnosed with a volt ohmmeter Curtain Switch 1 Test using the controller s indicator lights Observe SW1 and SW2 Open and close the curtain in question When the curtain is opened the SW light will be ON When the curtain gets to within a half inch of closing at the switch the SW light will go OUT 2 Test with an ohmmeter Disconnect electrical power Open the control box cover Unplug the curtain switch lead from the controller Connect an ohmmeter to the leads of the switch Open and close the curtain When the curtain is closed the switch is closed and there will be continuity When the curtain is open the switch is open and the circuit will be op

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