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1. Start Windin Run Windin Ice Machine Voltage Hz Phase Compressor Ohms g Ohms g C0330 1 115 60 1 AKA9438ZXA 4 22 59 C0330 6 230 50 AKA9438ZXC 71 11 2 69 C0330 32 208 230 60 1 AKA9468ZXD 10 43 1 77 C0530 1 A or B 115 60 1 AKA9451ZXA 5 95 69 C0530 6 A or B 230 50 AKA9451ZXC 7 11 2 69 C0530 32 A or B 208 230 60 1 AKA9451ZXD 10 43 1 77 C0530 1 C 115 60 1 RST45C1E CAA C0530 6 C 230 50 1 RST45C1E CAB C0530 32 208 230 60 1 RST45C1E CAV C0630 32 208 230 60 1 AJA7490ZXD 2 74 1 52 C0630 6 230 50 AJA7490ZXC 2 23 2 02 C0830 32 208 230 60 1 CS10K6EPFV 3 10 1 16 C0830 6 230 50 CS10K6EPFJ 3 79 1 39 C0830 3 208 230 60 3 CS10K6ETF5 1 47 C1030 32 208 230 60 1 CS12K6EPFV 3 10 1 16 1030 6 230 50 CS12K6EPFJ 3 79 1 39 C1030 3 208 230 60 3 CS12K6ETF5 1 77 C1448 32 208 230 60 1 CS14K6EPFV 2 66 1 08 C1448 6 230 50 CS14KSEPFJ 2 64 1 4 C1448 3 208 230 60 3 CS14K6ETF5 C1848 32 208 230 60 1 CS20K6EPFV 2 37 65 1848 6 230 50 CS20K6EPFZ C1848 3 208 230 60 3 CS20K6ETF5 C2148 32 WC 208 230 60 1 CS24K6EPFV 2 35 0 C2148 6 WC 230 50 CS24K6EPFZ C2148 3 WC 208 230 60 3 CS24K6ETF5 C2148 32 R 208 230 60 1 CS27K6EPFV 2 35 53 2148 6 230 50 CS27K6EPFZ C2148 32 R 208 230 60 3 CS27K6ETF5 May 2011 Page 62 Refrigerant Charges Model R 404A in ounces C0322A 14 C0322W 11 C0330A 14 C0
2. Evaporator Hot Gas Valve Heat Suction Accumulator Compressor S C1448R C1848R and C2148R September 2006 Page 31 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 voltage 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 ava
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5. Controller 3 cetus Be Curtain Switch es D Electrical Sequence Air or Water Cooled Electrical Sequence Remote Cooled Empty reservoir F Fan MOIS i e ERR moe H Harvest Assist Solenoid s High pressure Hot Gas 27 29 Ice Thickness Sensor 33 Inlet Water Solenoid Valve 32 L Limitations s ee an amen 4 Liquid Line Valve 33 Lock Unlock control 40 M Max freeze time 45 minutes 38 Max harvest time minutes 38 Min freeze time 6 minutes 38 2 P Plumbing Requirements 5 Power Interruption 39 Purge Valve 32 R Recall diagnostic code 40 Refrigerant s tok go 63 Remote Condenser Location 13 Remote Systems 35 Reset control usos o mk 40 S Set purge level 40 Setting Codes 22 Start Test Mode ouo 40 September 2006 Page 125 Test Mode Sequence Remote 56 Test 40 Transformer 24 428 844 x GR m 33 W Waranty a u FOX o ES 4 Water 5 Water Interruption 39 Water Level Sensor 33 Water Level Sensor
6. ai m m ans AM YA B ue MW 40 meee 90 9313 A 10 155 Td ye x A Xu Prax A 1 LAG BRIN n LOGES 0 SS AWASA yi m Ly Wii an OR ANW RENS RU aud in ELW i B n SISSY A EM dh NN WODI ONV 11915 ONY 3009 WOII HL HLTA NUDO NI C31 WISN 0 8 f ASA HOTHA ONTQTA CALS 1 SINT VA September 2009 Wiring Diagram 5 50 Hz INA SIHLOLYIMOd TIY BNNODSIC 0103 1036 3080019 8 36 INO NVALIEON SAW SIHL 3245 ASN WAWIXW SLN3WSHITD3H LOA 34089 19975 9909 303 31 335 55298 WNHSINI HOON 0 UNO SIND HBOLAINCO THOIMS NIV dut 9 SS2NDDIHL TOULNOD JINOYLII13 KINO 031009 8 HOLIMS TOYLNOD 102 34 553 4 BOLDVINOD AION3105 LSISSV 153 Er Toyo om 2907 LLS LON AWM 10438 700 NOL 753002 120 10NV 31 VIS TIW ONY 3002 M AINO SHOLONGNOD 944402 350 9 LO 09 L1 Ng MN N3HM May 2011 Page 2 SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills IL 60061 800 533 6006 www scotsman ice com 17
7. 36 Water Pump 32 Water Purge 3 Water purge setting 8 Water temperature sensor 33 September 2006 Page 126 Wiring Diagram C0630R 6 C0830R 6 C1030R 6 3715 3503 ONY NVI SSSNS0NOI JINAN ST E I hi P OA NE i kn a YISSIYANDI SSR 1 a TAS ISDN ll DE NE RA EU NRD PUE a e ABS ol ARP i E MEN REE NINE 5 ET B e ad 9 THIND Y x 5 SLIM JUN TL 5 id DIAS JUN d l gags SNEL
8. C0630A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 9 10 10 11 10 11 ea 70 10 11 11 12 11 12 minutes 80 11 12 12 13 12 13 90 12 13 13 14 13 14 Suction End of Freeze 21 27 Pressure PSIG Harvest 85 115 Discharge End of Freeze 200 255 Pressure PSIG Harvest 160 200 C0630W Ambient Air Temp Degrees F 70 80 90 Water Temp 50 9 10 10 70 10 11 11 80 11 11 12 90 11 11 13 Suction End of Freeze 25 22 Pressure PSIG Harvest 75 80 Discharge End of Freeze 235 235 Pressure PSIG Harvest 140 155 Ice per cycle weight 4 5 to 5 Ib September 2006 Page 80 Performance Data C0830A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 11 12 13 ues 70 12 13 14 80 13 14 15 90 14 15 16 Suction End of Freeze 26 30 Pressure PSIG Harvest 80 100 Discharge End of Freeze 204 260 Pressure PSIG Harvest 160 195 C0830W Ambient Air Temp Degrees F 70 80 90 Water Temp le Ti 50 11 12 13 13 iar de 70 12 13 14 13 80 13 13 14 14 90 14 14 15 Suction End of Freeze 30 31 Pressure PSIG Harvest 85 90 Discharge End of Freeze 235 237 Pressure PSIG Harvest 175 178 Ice per cycle weight 7 7 3 Ib September 2006 Page 81 Performance Data C1030A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 9 10 10 11 11
9. Ice per cycle 14 15 Ib September 2006 Page 93 Wiring Diagrams C0322 C0522 C0330 C0530 C0630 C0830 C1030 Single Phase 8 ANO HOLIMS 3unss3td ONMOAD KINO SLINN 2 VESOISVINBO ZHOLIMS anat T SS3NX2IHL 39 29 810 NIVLUND dial 2INOH12O3T3 ALON 33S JONINOO doo HH ss3Hd HOLOVINOO L GION310S sissy 1S3 AuvH Q a 9 uo 0 909 0 S02 0620 22700 ZEE09 OV 9 SLINN OM NO Q3Sn TOHLNOO JYNSSIYd HOIH 41415 31IHWM HOVE SLINN L 09 0 2 802 Ful SLIHM SLINN W O9 S LL SHIM MOVE SLINN 1 09 91 1 09 0 2 802 753400 1V201 ONY 31VIS 00 1 IVNOLIVN 3ONVQHOOOV NI GATIVLSNI HOIHM SLVOIGNI SANIT Y KI N O SH Olo 090 dd d 09 E S 0 38 5 LINN SIH L LINN SIHL OL YAMOd TTV LO3NNOOSIG OL 38 AYN SNVAW LO3NNOOSIQ ANO NVH L 3HOIN OSS3UdIOO dans ES 31V 1d3AVN 33S l Ee 30193108 KiVHOSIQ woswas Li WAL OINON10313 310N 335
10. 45 or 3 c a x E Epig a HEE c AINT A A ODE A 7 0c EM A 2 T A o 1s Iti M an c 5 n umm r ay S LUIS DU i gw 4 ALVIS TW CNY 300 WNOLLN HL NI y60E 5 STM HOLA ONIN CL SANT CIL V AND LO nd N N LO Wiring Diagram C1448 C1848 C2148 Single Phase NOSS3udWOD NNOD ZHOLMS A IOU1NO2 2 247 HOLDVINOD LANA SVD 1OH ZGIONTTOS 215155 LS3AYYH O LLYOLDWINOD HONDA AMIS LON AYN 3 SHEN NO NVLSHON 30838 THIMYDLd NOUN vm prts in Ui IWNE N NAS34d SIN LO LZOE ZL SYOLONCNOD 4440 351 2 KINO 3100 HV SISSY September 2006 Page 102 Wiring Diagram C1448 C1848 C2148 three phase x BOL OVL NOD BOLOVL NOD NO OM HOLINS sunssi d 5 NNI ZHOLIMS ANNO 2 SSENYOHL NviuIno m 4 Mi KINO SOLON
11. QNnONO HLAVA MIIS xog NOWONAr 801031084 ann anon TOYLNOD 553 4 SSANYOIHL 301 HOSNIS BAN E Pw Ve YOLOVINOD n M3lV3H o El wa ILS 3LIHWM YOWTG SLINN 1 0910 2 802 YOTOO SYO 10H 04 34 7 TOHINO9 O9INOHI03TH ONnouo HIN ovas anal anns XINO SLINN Z LL BOLOVINO9 HOLIMS NIVLYND 38084 dL SSINMOIHL HOLIMS go 293990810 Nino 9 HOSNIS Am TOYLNO9 DINOHIO3T3 KINO 105 NSS YOLOWLNOD GIONS1OS W3WSOJSNVHL 1SISSV LS3AMVH MOWTE SLINN 1 09 61 ONY H 09 082 802 S3009 ONY 31 15 ONY 3000 KINO SYOLINONOJ 34 00 357 LET September 2006 Page 97 Wiring Diagrams C0530R C NY3j35N30N02 31038 O INN SIHLOLGMOd TY LINNCOSKC OLCSKIND3Y 055330100 5 nr anor KNO SINN Avid C CHOIMS NVN SSANYOIHL LHOMMS DI 4 TOULNODDINOULI314 1102 HOLSYINOD MALY 3HASVON LLBOLDVINOD anal 399 H2Slg AHA YOY 14 Jovia sinn L O9 SLL ANV 1 09 05 53002 1V2010NV MS TY ONY 3002 TORT TWNOILWN NI O3TIVLSNI 38 1S0 HOIHMS NISI TIE Y ONE SINN Gus BOLLEN BS 28415 HIMO ONNO
12. 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 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 September 2006 Page 13 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 construction that conform to the local building codes including having a roofing contract
13. 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 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 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 confi
14. Return ice thickness sensor bracket ice thickness sensor water distributor curtain and evaporator cover to their original positions Reconnect electrical power Return sound shield and front panel to their original positions September 2006 Page 116 Refrigeration Removal and Replacement Procedures Compressor 1 Remove front panel 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 Open the replacement compressor box Check the compressor nameplate be SURE that Remove compressor terminal cover and disconnect electrical leads Remove the compressor from the ice machine Note Some models may require the control box to be moved slightly to allow compressor replacement 2 Remove sound shield 3 4 the replacement compressor is the correct one for the unit 5 Disconnect electrical power AWARNING Electrical Shock Hazard 2 Disconnect electrical power before beginning 6 Recover refrigerant 7 8 Remove all the mounting bolts 9 Open both discharge and suction access valves 10 Connect nitrogen to discharge access valve 11 Open nitrogen valve 12 Unsweat the suction discharge and process tubes 13 Unsweat the drier from the liquid line Remove it 14 Shut the nitrogen valve 15 16 Immediately place new compressor in ice machine September 2006 Page 117 Refrigeration Removal and R
15. IUNSSINJ HJIH HOSN3S Tn 31009 HOLIMS 1OHINOO SYNSSIYd 9NLT2AO M N8 WNE LUE prod ei 1009 OL GAMOTIV LON SI HOLd LY JI LHVLS LON AYN HOSS3HdMWOO L0 S0 Z1 LOH NOLLNVO eee A1NO 431009 September 2006 Page 94 INN CANO 236 38 DNNOSICSNO NYHLLRON SANINA SHL PENA AlddfiS 340 3IN 13WYN 334 1 IN HIWI wed ONNOHD NOLNAL 39155334 ONNDADNV MODBIOU V INWA LLYO DVINOD KNO SINN ALVIA ZHOIMS di3l 9 53 LHOUMS II 38588 d 80555 ANNS TOULNOD IINOULIE TA 7102 BOLDVINOD May 2011 Page 95 1 0 2105 ASISSV LS3AMWH qm JOIESIND 09 511 ANY LOS CEZ 80Z O10 IN 210838 MD 5300 VIS TN WOI HLMADNVOXODDW 38 LSNW HDIHMSNIIIMQ EH ALY JONI SINT NO 5 0D nq NO 440 360 NNE KINO 3100 HIV C0530 C Air or Water Cooled 60 Hz Wiring Diagrams Wiring Diagram C0830 C1030 Three Phase BOSSI NOLOVINOO YOLOVINOD YOLOVINOD KINO Ovl HOLIMS 3unsstid ONITOAD 3V XINO SLINN ZHOLIMS ggoug
16. Note brazing 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 September 2006 Page 15 General Installation Remote 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 O rings with refrigerant oil 3 Position the fittings on the correct connections on the condenser and ice machine The 1 2 discharge line Schrader valve end goes to the remote condenser fitting marked discharge line e The 3 8 liquid line schrader valve end goes to the remote condenser fitting marked liquid line The 1 2 discharge line goes to the ice maker fitting marked discharge line The 3 8 liquid line goes to the ice maker fitting marked liquid line 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 resist
17. 530 are connected to it fan motor relay kit KCMR120 must be used to control the fan motor 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 condensers include a headmaster valve September 2006 Page 10 General Installation Remote Central Condenser Coils The ice machine may be connected to a central condenser coil The requirements are Coil not previously used with mineral oil system Virgin coil preferred Correct size internal volume and capacity BTUH Includes a headmaster valve for discharge pressure control Headmaster kit available for certain MAC condensers kit number is RCKCME6GX 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 lengt
18. Check bulb Thermostatic expansion valve producing very low or very high superheat Check evaporator superheat change if incorrect 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 Shut down on maximum harvest time Ice bridge thickness too small not enough ice to open curtain Check and adjust if needed Ice bridge thickness too large ice frozen to evaporator frame Check and adjust if needed Purge valve does not open water melts ice bridge not enough ice to open curtain Check purge valve Incomplete ice formation Check water distributor for partially plugged holes Curtain out of position Check curtain for swing restriction September 2006 Page 53 Diagnostics Remote Air Cooled Problem Likely Cause Probable Solution Shut down on maximum harvest time continued Curtain switch does not open when curtain does Check switch with ohmmeter 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 pin not retrac
19. This light will be ON when the liquid line solenoid has power September 2006 Page 69 Test Procedures Loads 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 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 to ground The inlet water solenoid valve pin is 7 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 If the voltage to ground 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 A 02 U 2 L
20. the controller shuts the machine down and puts it into a standby position September 2006 Page 28 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 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 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 li
21. 12 70 10 11 14 12 12 13 80 11 12 12 13 13 90 10 13 13 14 14 15 Suction End of Freeze 26 30 Pressure PSIG Harvest 80 90 Discharge End of Freeze 210 260 Pressure PSIG Harvest 165 190 C1030W Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 10 11 11 70 11 07 02 11 80 11 12 12 12 90 12 12 13 13 Suction End of Freeze 26 30 Pressure PSIG Harvest 70 75 Discharge End of Freeze 240 240 Pressure PSIG Harvest 145 155 Ice per cycle weight 7 7 3 Ib September 2006 Page 82 Performance Data C1448A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 12 13 13 14 14 15 70 13 14 14 15 15 16 minutes 80 14 15 15 16 16 17 90 15 16 16 17 17 18 Suction End of Freeze 38 40 Pressure PSIG Harvest 100 100 Discharge End of Freeze 250 270 Pressure PSIG Harvest 150 160 C1448W Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 13 14 14 15 15 16 70 14 15 15 16 15 16 minutes 80 15 16 15 16 16 17 90 15 16 15 16 17 18 Suction End of Freeze 36 35 Pressure PSIG Harvest 105 100 Discharge End of Freeze 235 235 Pressure PSIG Harvest 170 165 September 2006 Page 83 Performance Data C1848A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 10 11 11 12 12 13 TIN 70 11 12 12 13
22. 13 14 minutes 80 12 13 13 14 14 15 90 13 14 14 15 15 16 Suction End of Freeze 30 32 Pressure PSIG Harvest 90 100 Discharge End of Freeze 227 285 Pressure PSIG Harvest 170 195 C1848A Ambient Air Temp Degrees F 70 80 90 Cycle Ti 50 10 11 11 12 11 12 To OMM 70 11 12 12 43 11 12 minutes 80 12 13 12 13 12 13 90 12 13 12 13 13 14 Suction End of Freeze 30 30 Pressure PSIG Harvest 80 85 Discharge End of Freeze 240 240 Pressure PSIG Harvest 155 165 14 Ib cycle September 2006 Page 84 Performance Data C2148W Ambient Air Temp Degrees F 70 80 90 Water Temp 50 9 10 10 11 11 70 10 11 14212 11 80 11 12 11 12 12 90 11 12 11 12 13 Suction End of Freeze 27 27 Pressure PSIG Harvest T5 75 Discharge End of Freeze 235 240 Pressure PSIG Harvest 160 160 Ice weight per cycle 14 2 September 2006 Page 85 Performance Data Remotes C0522R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp Cycle Ti 50 10 12 13 13 14 14 Ee 70 13 14 13 14 14 15 minutes 80 14 15 14 15 15 16 90 15 16 17 18 18 19 23 Suction Pressure End of Freeze 35 35 PSIG Harvest 85 90 Discharge End of Freeze Min 205 230 245 Peak at Pressure PSIG Harvest 215 225 360 Ice per cycle 4 4 to 4 6 Ib September 2006 Page 86 Performance Data Remotes C0530
23. 3141 01
24. 4 settings Setting Codes requires push button sequence Water Purge Settings Prior Effective 11 6 08 3 months 1 year 1 2 3 4 5 4 months 0 or disabled De Scale notification 5 months 4 months see table to the right 6 months default 6 months default 3 Push Off to confirm the selection November 2008 Page 22 Controller Information 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 M COMPRESSOR 02 2 2 Lu 2 o oO FAN AU SOLENOID HOT GAS Component Indicator Lights September 2006 Page 23 How It 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 refrigerati
25. CONDUCTORS ONLY CURTAIN SWITCH ELECTRONIC CONTROL THIS UNIT MUST BE GROUNDED October 2006 Page 100 Wiring Diagram September 2009 Page 101 RDR Q s LM SINL LANCOSTC STE LAND MANA A et A PPL DND poem ET IS LING STEL Lis 17222 9 IK 5 wo BLIND ALWIN rg Ll m 00 een ry 1 BEEN WM E L Pe B 5 wan d SEERE J E eh CO O jor ks E MID 5 3 ND D ait HE e 2 2 LL NT b M Q gt DI x Med i DIEN ya ram
26. 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 September 2006 Page 61 Compressor Electrical Chart Resistance reading tolerance is 10
27. 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 low or very high superheat Check evaporator superheat change if incorrect Compressor inefficient Check compressor amp draw if low and all else is correct change compressor September 2006 Page 43 Diagnostics Air Cooled Problem Likely Cause Probable Solution Shut down on maximum harvest time Ice bridge thickness too small not enough ice to open curtain Check and adjust if needed Ice bridge thickness too large ice frozen to evaporator frame Check and adjust if needed Purge valve does not open water melts ice bridge not enough ice to open curtain Check purge valve 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 does Check switch with ohmmeter 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 pin not retracted Check harvest assist m
28. 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 a 74 fall per foot of run for proper draining Follow all applicable codes September 2006 Page 5 General Installation Air or Water Cooled 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 September 2006 Page 6 General Installation Air or Water Cooled Note Indentations may be deeper on C0322 and C0330 Adjustmen djust ents 1 8 indentation Ice Bridge Thickness Caution Do not make the bridge
29. by holding the Off button for 3 seconds Wait four minutes 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 If the 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 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 If 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 A 02 U 2 Lil 2 AU SOLENOID This light will be ON when the Purge Valve is in operation September 2006 Page 66 Test Procedures Loads Compressor contactor 1 Test using the controller s indicator lights When the unit is in ice makin
30. dial SS3NMOIHL HOLIMS 0 NILYN YOSNIS EL BAN anns 1041N09 OINOYLOSTS KINO TOULNOD 102 3unss3ud YOLOVINOD SISSY 15 M3INHOJSNVHL n 3009 1201 41915 TIY ONY 3009 WOIMLOFTA 39NVQ8099V NI QITIVLSNI 38 LSNN NIYIM 07314 31VOIONI SINIT M 40553400 TWNINYAL 401931044 HIN AN9 YOLIVINOD LYYLS LON AWIN 80553440 10H 38 TIM 9914 NOLLNYI SHOLONGNOD 3dd00 ISN 1009 01 CMO TIW LON SI 9218 Eem azs asnan aw 38 36 NINE LDRNNCOSIC BNO YON LINN SIHL Aidan HAMO HOLIMS MAIS QNnouo xog ya Ma JINOHI2313 KINO 037009 2 3unss3ud SSANNOIHL 301 NOSN3S BAD KINO 031009 HOLIMS TOHLNOD FYNSSTYd 0006 41 ONZ N3HM KINO 031009 uiv September 2006 Page 96 C0522R C0530R C0630R C0830R C1030R Single Phase Wiring Diagram 3715 3803 NDWIXVIN ONY O O WaSNSGNOO 3103 LINO SIL OL TIY 9309510 OL CINDY SLNAWYINDIY JOVLTOA 2 AYN SNN LO3NNOOSIO INO NVL OIN A XA Pro 0300009938 HOSSINOI 554 4 2 3SN3ONOD ISAN INN SHL m HONS
31. 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 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 are 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 Airflow is in the left side out the back as viewed from the front 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
32. 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 Connections 41 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 J8 Curtain switch J9 Water level sensor J10 Ice thickness sensor 911 Bin thermostat Use with NO thermostat closes on temperature fall amp specified harness September 2006 Page 37 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
33. per cycle weight 4 5 to 5 Ib September 2006 Page 77 Performance Data C0330A Ambient Air Temp Degrees F 70 80 90 Water Temp Time 50 9 10 10 11 11 12 minutes 70 10 11 11 12 12 13 80 11 12 12 13 13 14 90 12 13 13 14 14 15 Suction Pressure End of Freeze 28 PSIG Harvest 110 Discharge End of Freeze 200 Pressure PSIG Harvest 150 C0330W Ambient Air Temp Degrees F 70 80 90 Water Temp 50 8 10 10 10 70 10 11 10 11 80 11 11 11 90 11 11 12 Suction Pressure End of Freeze 33 39 PSIG Harvest 95 110 Discharge End of Freeze 235 235 Pressure PSIG Harvest 130 150 Ice per cycle weight 2 4 to 2 6 Ib September 2006 Page 78 Performance Data C0530A Ambient Air Temp Degrees F 70 80 90 Water Temp 50 13 14 16 70 14 15 17 80 15 16 18 90 16 17 19 Suction Pressure End of Freeze 33 32 51 Harvest 95 105 Discharge End of Freeze 230 260 Pressure PSIG Harvest 130 190 C0530W Ambient Air Temp Degrees F 70 80 90 Water Temp le Ti 50 10 12 12 in ce 70 11 13 13 80 12 13 13 90 13 13 14 Suction Pressure End of Freeze 33 34 PSIG Harvest 100 110 Discharge End of Freeze 235 235 Pressure PSIG Harvest 140 150 Ice per cycle weight 4 5 to 5 Ib September 2006 Page 79 Performance Data
34. 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 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 solenoid are shut off The harvest assist solenoid pin returns to its normal position by spring pressure If the curtain s re close after harvest the freeze cycle will restart September 2006 Page 24 How It 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
35. 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 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 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 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 minutes Pump down interval remote only 12 hours Pump down is 30 seconds of compressor only
36. too thin or the machine will not harvest properly Bridge thickness adjustments are not covered by warranty 1 8 3 16 bridge Shut machine off S B Access the ice thickness sensor Too Big Just Right Too Small Check gap between metal tip and evaporator grid Small cube standard gap is 3 16 inch medium cube standard gap is 7 32 inch To set place a 3 16 small cube or 7 32 medium cube drill bit between sensor tip and evaporator to check Adjust gap using adjustment screw Ice Bridge Thickness Measurement Restart unit and check ice bridge Repeat as needed Ice Thickness Sensor Adjustment Ice Thickness Sensor Evaporator TN Gap Side View of Evaporator and Ice Thickness Sensor September 2006 Page 7 Water purge setting The water purge is factory set to the Automatic setting The setting can be changed to one of 5 manual settings or placed on automatic The purge setting shows in the Code Display purge 1 2 3 4 5 setting Minimum Moderate Standard Heavy Maximum Any with RO water s or Low TDS Setting High Very gn conductivity Water TDS water not less than Type equivalent non RO fortypical TDS greater than 10 ss water water water 256 tenete 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 t
37. 006 Page 105 Wiring Diagram C1448R 63 230 380 420 50 3 ELECT RONIC CONTROL CONTACTOR TRANSFORMER 5 CANKCASE HEATER W Y BN BN BL BU E Al HIGH PRESSURE CONTROL NY USE COPPER CONDUCTORS ONLY HIS UNIT MUST 1 BE GROUNDED June 2008 Page 106 Repair Procedures Inlet Water Solenoid Valve 1 Disconnect electrical power AWARNING Shut off the water supply Remove front and left side panels Shock Hazard d Disconnect electrical power before beginning Disconnect water supply tube from the inlet of the valve Disconnect the water outlet tube Remove the two mounting screws holding the valve to the back panel Pull the valve forward and out of the machine Fan Blade or Motor 1 2 Push and release the Off button Disconnect electrical power Remove front panel sound shield and left side panel Unplug fan motor wire leads Remove fan motor mounting brackets from shroud Note Fastener size is 3 8 hex Carefully remove fan motor and blade assembly from machine cabinet Loosen set screw pull fan blade from motor shaft If the blade is the only part being changed reverse to reassemble Note blade mounts purge to end of motor shaft If the motor will be changed remove mounting brackets from fan motor Note Fastener size is hex Reverse to reassemble September 2006 Page 107 Harvest Assist Solenoid 1 Remove front p
38. 21 Suction Pressure End of Freeze 28 27 51 Harvest 95 100 Discharge End of Freeze Min 207 230 240 Peaks at Pressure PSIG Harvest 200 215 380 September 2006 Page 90 Performance Data Remotes C1448R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp Cycle Ti 50 9 11 11 12 14 15 ane 70 11212 1142 14 15 minutes 80 13 13 16 90 14 15 16 18 19 22 Suction Pressure End of Freeze 40 40 PSIG Harvest 100 125 Discharge End of Freeze Min 207 240 270 Peak at Pressure PSIG Harvest 150 200 405 Ice per cycle 12 Ib September 2006 Page 91 Performance Data Remotes C1848R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp Cycle Ti 50 9 10 11 11 12 13 70 11212 12 13 minutes 80 13 13 14 14 15 90 14 16 17 19 Suction End of Freeze 32 33 Pressure PSIG Harvest 85 105 Discharge End of Freeze Min 210 240 245 Peak at Pressure PSIG Harvest 170 205 370 Ice per cycle 14 Ib August 2011 Page 92 Performance Data Remotes C2148R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp 50 9 10 10 11 70 9 10 10 12 minutes 80 11 12 11 13 90 12 13 14 15 16 18 19 Suction Pressure End of Freeze 24 24 PSIG Harvest 80 95 Discharge End of Freeze Min 217 240 250 Peaks at Pressure PSIG Harvest 190 220 410
39. 330W 11 C0522A 17 C0522W 14 C0522R 160 C0530A or B series 22 C0530A C series 21 C0530W A thru C series 11 5 A thru C series 160 C0630A 36 C0630W 14 C0630R 160 C0830A 46 C0830W 34 C0830R 208 C1030A 48 C1030W 38 C1030R 208 C1448A 62 C1448W 56 C1448R 256 C1848A 62 C1848W 63 C1848R 320 C2148W 69 C2148R 320 May 2011 Page 63 Test Procedures Loads 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 e
40. 69 154 1890 206 749 eds 19381 103 5446 155 1855 207 737 September 2006 Page 75 Performance Data C0322A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Time 50 10 12 12 13 13 14 minutes 70 11 12 13 14 14 16 80 12 13 14 15 16 90 13 14 14 15 16 17 Suction Pressure End of Freeze 26 32 PSIG Harvest 105 130 Discharge End of Freeze 235 250 Pressure PSIG Harvest 150 200 C0322W Ambient Air Temp Degrees F 70 80 90 Water Temp 50 9 11 11 10 11 OEE Hime 70 11 12 10 12 minutes 80 12 13 12 13 90 12 13 13 14 13 Suction Pressure End of Freeze 32 32 51 Harvest 95 100 100 110 Discharge End of Freeze 245 245 Pressure PSIG Harvest 140 150 Ice per cycle weight 2 4 to 2 6 Ib September 2006 Page 76 Performance Data C0522A Ambient Air Temp Degrees F 70 80 90 Water Temp Cycle Ti 50 11 13 13 16 6 de 70 13 14 16 18 minutes 80 14 15 18 90 15 16 19 Suction Pressure End of Freeze 32 34 PSIG Harvest 105 120 Discharge End of Freeze 228 270 Pressure PSIG Harvest 180 210 C0522W Ambient Air Temp Degrees F 70 80 90 Water Temp 50 13 15 15 14 70 15 16 14 15 ii 80 16 17 15 90 16 17 17 16 Suction Pressure End of Freeze 23 36 51 Harvest 85 110 Discharge End of Freeze 235 245 Pressure PSIG Harvest 115 200 Ice
41. 800 C0330 4000 C0530 6800 C0630 8800 C0803 10800 C1030 12000 C1448 17200 C1848 22000 Water Cooled Water Use condenser only Mode water GPM 70 F wate temp C0322 2 C0522 d C0330 E C0530 3 C0630 4 7 C0803 4 8 C1030 4 1 0 C1448 6 1 1 C1848 1 0 1 8 C2148 1 0 2 0 May 2008 Page 73 Controller Differences The controllers are programmed at the factory for the model they are installed on they cannot be moved from one model to another due to differences in Water purge time per setting e Maximum harvest time Number of evaporator plates The service controller has a selector switch that allows it to be used as a replacement part in any of the Prodigy models in production at the time the controller was manufactured As new Prodigy models are introduced those models will be added to the list of models new service controllers will work with gt The Service Controller includes a selector switch The switch must be set to the model the controller is being installed on As new models are introduced their setting will be added to service controllers produced after that point September 2006 Page 74 Thermistor Values Deg Ohms Deg Ohms Deg F Ohms Deg F Ohms Deg F Ohms 85325 18873 104 5325 156 1819 208 724 0 82661 S3 18381 105 5208 157 1785 209 713
42. 915 TE Sess 10000 129 3111 181 1149 233 487 26 38774 78 9760 130 3047 182 1129 234 480 2T es 37669 79 1 s 9526 131 2985 183 1109 235 472 36600 80 9299 132 2924 184 1090 236 465 20 5 35564 81 9077 133 2865 185 1071 237 458 30 34561 82 554 8862 134 2807 186 1052 238 451 33590 83 8652 135 2751 187 1034 239 444 32 inn ace 32649 84 8448 136 2696 188 1016 240 438 33 31738 85 5 8250 137 2642 189 998 241 431 34 30855 86 8056 138 2589 190 981 242 425 30000 87 ds 7868 139 2537 191 965 243 419 36 29171 88 7685 140 2487 192 948 244 412 JT eta 28368 89 7507 141 2438 193 932 245 406 27589 90 7333 142 2390 194 916 246 400 39 26835 Ol iius 7164 143 2343 195 901 247 394 40 26104 92 dus 6999 144 2297 196 885 246 389 41 25395 6839 145 2252 197 871 249 383 42 24707 94 6683 146 2208 198 856 250 377 43 24041 NE 6530 147 2165 199 842 44 23394 96 6382 148 2123 200 828 45 22767 0T ess 6238 149 2082 201 814 46 22159 98 6097 150 2042 202 800 41 21569 99 5960 151 2003 203 787 48 20997 100 5826 152 1965 204 774 49 20442 101 5696 153 1927 205 761 50 19903 102 55
43. D 5 g ONNOUD na ng KINO SHOLNCNOD 4440 ISN 36 SHL 2011 98 andn L0 65EE LL Wiring Diagram C0522R C0530R C0630R C0830R C1030R Single Phase after 9 09 Tvr xor ME 1 EM SEHE OL NIE THY NOSE OL NIMD ach NA i Oa EE Mi dd io CS 4 H pee TN LIN STAL _____ ______ m Li 1 BREED 1 XX mond dM t CNOT Es 1 Q WW 1 WI e SUN 2 3m j AAA ous BMS YA A i tE dal NS YA WS 3 n iE MW N 7 JU pz qu 1 25 ji A 10
44. LINN LHI SL MOVIE SLINN 02 404 3115 ONY 3000 3215 ISNA ONY 51 HIJOUd AINIANYN 335 q30Nn089 38 um HOLS ASAIN LIN SIHL SIKL OL B3MOd TIV LOANNOOSIC OL 38 AVN SNVM L23NNOOSIO INO NYHL JHON ONNOH9 NaHS 401931004 TOHLNOD OINOHIO3TH TOHINOD 3ufisS3ud HIH SS3NDOIHL 30i HOSNIS 13431 anon MING KINO SHOLONGNOO H3dd09 350 102562 September 2006 Page 104 Wiring Diagram C1448R C1848R C2148R three phase CRANKCASE HEATER CONTACTOR CONTACTOR colL HARVEST ASSIST SOLENOID 2 LIQUID LINE CONTACTOR REMOTE CONDENSER ELECTRONIC CONTROL DISCHARGE TEMP COMPRESSOR TRANSFORMER contactor CONTACTOR HARV ASSIST BNW BK BK BU BU somon y USE COPPER CONDUCTORS ONLY SOLENOID ELECTRONIC CONTROL UNE w SOLENOID 17 3074 01 THIS UNIT MUST BE GROUNDED October 2
45. R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp Cycle Ti 50 10 11 13 13 14 13 14 Ee 70 14 14 15 14 minutes 80 15 15 16 15 16 90 16 17 18 17 18 27 Suction Pressure End of Freeze 30 35 PSIG Harvest 145 100 Discharge End of Freeze 207 min 230 245 Peaks at Pressure PSIG Harvest 200 220 350 September 2006 Page 87 Performance Data Remotes Condenser Intake Air Degrees 20 70 80 90 120 Water Temp 50 7 8 9 9 9 10 ae 70 9 10 910 10 80 10 11 11 12 11 90 12 14 13 14 16 17 Suction End of Freeze 30 30 Pressure PSIG Harvest 110 120 Discharge End of Freeze Min 204 240 245 Peaks at Pressure PSIG Harvest 200 220 370 September 2006 Page 88 Performance Data Remotes C0830R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp Cycle Ti 50 8 9 9 11 10 11 12 70 11 11 412 13 minutes 80 12 13 12 13 13 14 90 13 14 15 16 17 21 22 Suction Pressure End of Freeze 32 32 PSIG Harvest 100 110 Discharge End of Freeze Min at 240 245 Peak at Pressure PSIG Harvest 205 200 210 360 September 2006 Page 89 Performance Data Remotes C1030R Condenser Intake Air Temp Degrees F 20 70 80 90 120 Water Temp Ti 50 9 10 11 11 12 13 Ee 70 11 11 12 1213 minutes 80 12 13 12 13 14 90 13 14 15 16 16 17 20
46. Scotsman Ice Systems Prodigy Series Modular Cuber Technical Service Manual Models C0322 C0522 C0330 C0530 C0630 C0830 C1030 C1448 C1848 and C2148 also includes CB0522 CB0330 CB0530 CB0630 CB0830 and CB1030 Introduction This technical manual covers the Prodigy line excluding the Eclipse remote low side models All models except Eclipse are shipped with an Installation and User s manual which can be referred to separately General installation information is included in this manual Table of Contents Model Number Description 2 Diagnostics Water Cooled 47 Waters xoxo m y Low Making Capacity Water Cooled 50 General Installation Air or Water Cooled page 4 Makes Excessive Noise Water Cooled page 51 Water purge setting page 8 Diagnostics Remote Air Cooled page 52 General Installation Remote page 9 Low Ice Making Capacity Remote page 55 Pre Charged Tubing Coupling Connections page 17 Makes Excessive Noise Remote page 56 Adjustments page 20 Test Procedures Sensors page 57 Prodigy Cuber System Information page 21 Ice Thickness Sensor page 58 Controller Information page 22 Water Level Sensor page 59 How It Works Cooled page 24 Temperature Sensors page 60 How It Works Wat
47. agnostic code Hold Clean and Harvest buttons in for 3 seconds to clear all prior codes Reset control Depress and release Off then depress and release On Start Test Mode e 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 See next page for Air and Water Cooled 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 HGV 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 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 September 2006 Page 40 Control Button Use continued Cha
48. al position and secure with the original screws Follow all applicable local state and national codes September 2006 Page 19 Adjustments Bridge Thickness For the Service Tech Only Push and hold Off till the machine stops Access ice thickness sensor _ Check gap between metal tip and evaporator grid Small cube standard gap is 3 16 inch medium cube standard gap is 7 32 inch To set place a 3 16 small cube or 7 32 medium cube drill bit between sensor tip and evaporator to check Adjust gap using adjustment screw cer all LN Restart unit and check ice bridge Repeat as needed Caution Do not make the bridge too thin or the machine will not harvest properly Bridge thickness adjustments are not covered by warranty Water purge setting The water purge is factory set to Automatic The setting can be changed to one of 5 manual settings or left on automatic ioi i E A A Automatic setting Minimum Moderate Standard Heavy Maximum RO water Any with mess 6 Low TDS Setting High ida dos conductivity equivalent fortypical TDS rester not less than 10 TDS less water water water rie 256 microSiemens than 35 cm To set Switch the machine OFF by holding the Off button in until a number or the letter A shows
49. ance 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 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 September 2006 Page 16 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
50. anel 2 Push and release Manual Harvest button 3 Disconnect electrical supply A WARNING Electrical Shock Hazard Gg Disconnect electrical power before beginning 4 Remove sound shield 5 Unpiug wires from solenoid 6 Remove two screws and solenoid from cabinet 7 Reverse to reassemble Harvest Assist Solenoid September 2006 Page 108 Repair Procedures Ice thickness sensor 1 Push and release the Off switch Locate sensor squeeze mounting legs together to release it from the mounting bracket 2 Remove front and top panels 3 and release the Harvest switch 4 Remove the evaporator cover 5 Remove the sound shield Disconnect electrical power AWARNING Electrical Shock Hazard a Disconnect electrical power before beginning 7 the control box 8 Remove curtain 9 10 Remove sensor follow wire back to control box 11 Disconnect from controller connection J10 12 Remove sensor from machine 13 Reverse to reassemble 14 Set initial probe to evaporator surface gap using a 7 32 drill bit as a gauge September 2006 Page 109 Repair Procedures Capacitor run 1 Disconnect electrical power AWARNING 2 Remove front panel E o Electrical Shock Hazard 4 Remove right side of control box Disconnect electitesi 5 Remove metal barrier from control box power before beginning 6 Remove
51. controller end 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 controllers 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 SOLENOID READY TO HARVEST HOT GAS Sump Empty Light Sump Full Light December 2008 Page 59 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 Open control box cover unplug sensor from J6 Water temperature probe Measure the temperature of the water 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 compare to the resistance in the chart for that
52. d outlet refrigerant tubes Use caution when heating the tubing do 2 Remove evaporator cover 3 Remove right side panel 4 Remove top panel 5 evaporator 6 Disconnect electrical power AWARNING Electrical Shock Hazard Disconnect electrical power before beginning 7 Remove harvest assist solenoid 8 Recover refrigerant 9 Remove curtain 10 Remove water distributor 11 Release ice thickness sensor 12 Remove water distributor bracket from the top of the evaporator 13 14 Open nitrogen valve 15 not damage the freezing compartment walls 16 Shut nitrogen valve September 2006 Page 115 Refrigeration Removal and Replacement Procedures 21 22 23 24 25 26 27 28 29 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 Install the harvest assist solenoid Note location of ejector pin Adjust position of the evaporator slightly to center the pin in the guide hole of the evaporator When centered tighten all evaporator fasteners 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
53. 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 September 2006 Page 119 Optional add on control information Vari Smart 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 Ultrasonic Board and Cable 12 13 ew Bin E Full Adjust Level Technician Section coms Description Freeze Cycle A flashes Freeze Cycle is Pending H Harvest Cycle 28 H flashes Manual Harvest 26 EI s Ultrasonic ice level control settings Ultrasonic control shown in its installed position set at maximum fill 0 7 controlled by the curtain switch S
54. e 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 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 evaporato
55. ear 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 as 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 purgeed 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 September 2006 Page 3 General Installation Air or Water Cooled Location Limitations The product is designed to be installed indoors
56. echanism spring should retract pin Damaged evaporator Check evaporator surface Fan motor stays on during harvest Check controller using test mode Shut down on minimum freeze time Grounded ice thickness sensor Check sensor for dirt and position Clean and check gap to evaporator surface September 2006 Page 44 Low Ice Making Capacity Air Cooled Problem Likely Cause Probable Solution Long freeze cycle Dirty air filters Clean filters Dirty condenser Clean condenser Hot ambient Reduce room air temperature Water leak Check purge valve check curtain Water inlet valve leaks through Check inlet valve 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 Clear ice away Curtain does not close correctly Check curtain for proper swing September 2006 Page 45 Makes Exc
57. ected 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 September 2006 Page 47 Diagnostics Water Cooled Problem Likely Cause Probable Solution Shut down on maximum freeze time 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 low or very high superheat Check evaporator superheat change if incorrect Compressor inefficient Check compressor amp draw if low and all else is correct change compressor Shut down on maximum harvest time Ice bridge thickness too small not enough ice to open curtain Check and adjust if needed Ice bridge thickness too large ice frozen to evaporator frame Check and adjust if needed Purge valve does not open water melts ice bridge not enough ice to open curtain Check purge valve 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 cur
58. emove 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 is designed 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 September 2006 Page 12 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 e 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 feet Calculated line set length maximum is 150 Calculation Formula Drop dd x 6 6 dd distance in feet
59. eplacement Procedures 20 21 22 23 24 20 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 compressor is being returned for warranty braze the stubs shut and tag the compressor with the required information September 2006 Page 118 Refrigeration Removal and Replacement Procedures Thermostatic Expansion Valve 1 2 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 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
60. eptember 2006 Page 120 Adjustable Ice Level System Information and Diagnosis The ultrasonic sensor in the base of the ice machine is located to take advantage of the natural slope of the ice as it builds up in the bin The numbers of the settings are from the sensor to the top of the ice pile directly under the sensor If the Vari Smart system fails to shut off the machine and ice overfills the bin or dispenser the curtain switch in the machine will switch the machine off and will also restart the machine when ice is removed Note Additional information on this option is included with the instructions provided with it September 2006 Page 121 Prodigy s Smart Board an Advanced Feature Control An optional control is available that can provide users with more features It is available either as a field installed option or as a data logger that can be used by the service technician The kit number for the add on option is KSBU The kit number for the data logger version is TPDL1 or TPDL2 The Smart Board can be applied to most Prodigy models It can be used With the standard controller e With the standard controller and the SmartLock device KSL With the standard controller and the Vari Smart Ice Level Control KVS With the standard controller and both the KSL and the KVS Smart Board abilities include Ethernet connection USB connection to be used with Scotsman s Prodigy TechTool software Data Loggin
61. er Cooled page 25 Test Procedures Loads page 61 How It Works Remote page 26 Compressor Electrical Chart page 62 Electrical Sequence Air or Water Cooled page 27 Refrigerant Charges page 63 Electrical Sequence Remote Cooled page 29 Test Procedures Loads page 64 Remote Schematics page 31 Technical Information page 72 Electrical Component Details page 32 Heat Load amp Condenser Water GPM page 73 Refrigeration page 35 Controller Differences page 74 Water System page 36 Thermistor Values page 75 Control Operation page 37 Performance 76 Control Safeties page 38 Performance Data Remotes page 86 Restarts oe zs page 39 Wiring Diagrams page 94 Control Button Use from standby page 40 Repair 107 Control Button Use continued page 41 penc A qud Pee Optional add on control information page 120 Low Ice Making Capacity Air Cooled page 45 Makes Excessive Noise Air Cooled page 46 May 2011 Page 1 Model Number Description Example C0530SA 1C e C cuber Prodigy Advanced Sustainability Cuber e 05 nominal ice capacity 100s of pounds e 30 7 n
62. essive Noise Air Cooled Problem 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 September 2006 Page 46 Diagnostics Water Cooled No Ice Problem Likely Cause Probable Solution No power to unit Power disconnected Check breaker or fuse Reset or replace restart and check No power to controller Transformer open Replace transformer Shut down on maximum water fill time Water shut off Restore water supply Shut down on maximum freeze time Water leak Check purge valve curtain sump pump 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 Water pump not pumping Check pump motor check controller using test mode Pump hose disconn
63. 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 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 f
64. g Data Display The Smart Board mounts to the control box door just below the main controller The cable connecting the two routes from the main controller Accessory connector to J1 of the Smart Board If the datalogger version is used it plugs into the Accessory connector of the main controller If a SmartLock device is also connected the SmartLock cable must be moved from the Accessory connector to the RLO connector of the SmartBoard tee Smart Board Features and use instructions are included pa Arg Cable Connects with either the KSB or the TPDL1 Back of Controller with SmartBoard and Vari Smart Options installed September 2006 Page 122 Scroll Up Select Button Button Escape Button SmartBoard Advanced Feature Control e 9 US 7 See Instructions for Available Features Scroll Display Down B Area Button Button Connection Scroll Up Changes the display to a menu item higher on the menu list or goes up one number on a setting Scroll Down Changes the display to a menu item lower on the menu list or goes down one number on a setting Select Button Use to make changes to settings Enter Button Changes display to a sub menu list Escape Button Changes display to the main menu The SmartBoard can display Alerts and Data Alerts Service ice machine soon Slow water fill Long freeze cycle Long harvest cycle Hig
65. g water Horizontal runs of drain tubing need a 74 per fall per foot of run for proper draining Follow all applicable codes September 2006 Page 18 General Installation Remote 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 circuit 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 origin
66. g mode the compressor contactor will have power 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 If there is full voltage present and the contactor has not pulled in replace the contactor If 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 when the compressor indicator light is on There should be voltage If not replace the controller If 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 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 25 lt N ral WATER SOLENOID HOT GAS This light will be ON when the compressor contactor is powered September 2006 Page 67 Test Procedures Loads 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
67. ghts 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 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 September 2006 Page 29 Electrical Sequence Remote Cooled 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
68. h discharge temperature Note Additional information on this option is included with the instructions provided with it September 2006 Page 123 Remote SmartLock KSL The remote lock out feature can be added to any controller The feature allows someone using a special paging service and code to control the on and off operation of that ice machine When a controller is locked out the machine will finish a cycle and then stop Switching the power off and on pushing any amount or combination of switches will not restart the machine It can only restart when it receives a clear signal from the remote lockout board The remote lock out consists of an antenna and cable The antenna must be mounted onto the back of the ice machine cabinet Two holes are provided for mounting The connecting cable routes from the antenna through a hole in the back panel into the bottom of the control box Connect the antenna to the Accessory connector on the main board or if a SmartBoard has been installed on the machine onto the RLO connector of the SmartBoard Due to the sensitive nature of this option further information will only be supplied to registered users of a SmartLock device September 2006 Page 124 Index B Bridge Thickness Code Display Component Indicator Light Table Component Indicator Lights Compressor Contactor s uade Fe Controller Connections
69. h needed for the site 10 25 40 75 RTE10 RTE25 RTE40 RIES No additional refrigerant is required Note Refrigerant charge is supplied with the ice machine January 2009 Page 11 General Installation Remote 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 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 as the Scotsman Aqua Patrol will greatly improve this situation while the ice making process itself will r
70. he 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 September 2006 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 temperat
71. il 2 AU SOLENOID Light is ON when inlet water solenoid is in operation September 2006 Page 70 Test Procedures Loads Harvest assist solenoid 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 will be powered If the ice on the evaporator is thin the solenoid will extend If the ice is nearly full sized the solenoid will press against the ice until it releases from the evaporator then the solenoid probe will extend If the probe extends the solenoid 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 This light w
72. ilable 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 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 September 2006 Page 32 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 on 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 con
73. ill be ON during harvest Both the Hot Gas Valve coil and the Harvest assist solenoid coil will have power when this light is ON A 02 U 2 Lil 2 SOLENOID AU HOT GAS Hot Gas or Vapor Valve 1 Test using the controller 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 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 resista
74. ine 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 02 U 2 Lu 2 o oO FAN AUX WATER SOLENOID COMPRESSOR HOT GAS Component Indicator Lights September 2006 Page 34 Refrigeration Refrigerant R 404A Compressors Copeland or Tecumseh hermetic by model Expansion valves Non adjustable internally equalized one per evaporator Hot gas valves Pilot operated line voltage 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 ti
75. kness 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 Check check fan motor Check quick connects for complete piercing 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 Liquid line valve does not open Check coil of valve check controller using test mode Compressor not operating Check compressor contactor check controller using test mode September 2006 Page 52 Diagnostics Remote Air Cooled Problem Likely Cause Probable Solution Shut Down on Maximum Freeze Time continued Compressor not operating continued 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
76. le 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 Test Mode Sequence Remote Test Time seconds On Off 0 WIV 30 seconds WP HGV Comp BV PV 30 WP 10 seconds WIV HGV Comp BV PV 40 WIV Comp BV seconds 50 HGV Comp 5 seconds WIV WP BV PV 55 Comp 15 seconds WIV HGV BV WP PV 70 None 5 seconds All 75 HGV 5 seconds WIV WP Comp BV PV 80 BV 5 seconds WIV HGV WP Comp PV 85 None All Test Complete September 2006 Page 56 Test Procedures Sensors All electrical components in this ice machine can 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 wi
77. lectrical power Unplug fan motor from harness Measure fan motor winding resistance If open replace the fan motor 02 U 2 Lil 2 o FAN AU SOLENOID Fan Pressure Control must CLOSE to operate This light is ON when the fan motor fan motor should be in operation September 2006 Page 64 Test Procedures Loads 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 02 U 2 Lil 2 AU SOLENOID Water pump light is ON when pump is in operation September 2006 Page 65 Test Procedures Loads Purge valve 1 Test using the controller s indicator lights Shut unit off
78. ll be continuity When the curtain is open the switch is open and the circuit will be open 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 Curtain Switch Indicator Lights Light is ON when curtain is OPEN Curtain Single curtain Switch models have one indicator light ON all the time September 2006 Page 57 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
79. me 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 September 2006 Page 35 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 during 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 Water Distributor Removal September 2006 Page 36 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
80. nce of hot gas or vapor valve coil If open replace the coil September 2006 Page 71 Technical Information Pressure Switches Cut In Cut Out Cut In PSIG Cut Out PSIG Fan Pressure Control 22 and 30 240 190 Fan Pressure Control 48 280 220 High Pressure Cut Out AC 390 500 High Pressure Cut Out WC 300 400 High Pressure Cut Out Remote 350 450 Compressor Amp Draws Voltage Brand Base Model Freeze Harvest C0322 115 AKA9438 7 3 4 8 6 2 230 0522 115 AKA9451 7 9 6 5 7 2 230 same C0330 115 9438 6 2 4 8 5 7 230 same C0530 A or B 115 AKA9451 8 6 5 9 3 230 same C0530 C 115 RST45 6 9 5 5 6 6 7 0 Copeland 230 RST45 C0630 230 Tecumseh AJA7490 5 8 5 0 6 8 C0830 single phase CS10 6 4 5 3 6 6 three phase same C1030 single phase 512 7 3 4 8 6 2 three phase same C1448 single phase 514 12 5 7 6 9 2 three phase same 1848 single phase CS20 16 10 15 three phase same C2148 W single phase CS24 15 4 12 6 16 2 three phase same C2148R single phase CS27 three phase same May 2011 Page 72 Heat Load amp Condenser Water GPM Air Cooled Average heat load for air conditioning unit sizing Model BTUH C0322 4000 C0522 6
81. nge 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 e 3 months 3 Press or leave untouched for 60 seconds to select the displayed interval Test Mode Sequence Table Air or Water Cooled Time seconds On Off 0 WIV 30 seconds WP HGV Comp Fan PV 30 WP 10 seconds WIV HGV Comp Fan PV 40 WP 10 seconds WIV Comp Fan 50 HGV Comp 5 seconds WIV WP Fan PV 55 Comp 15 seconds WIV HGV WP Fan PV 70 None 5 seconds All 75 10 seconds WIV WP Comp Fan PV 85 Fan 10 seconds WIV HGV WP Comp PV 95 None All Test Complete October 2008 Page 41 Diagnostics Air Cooled No ice Problem Likely Cause Probable Solution No power to unit Power disconnected Check breaker or fuse Reset or replace restart and check No power to controller Transformer open Replace transformer Shut down on maximum water fill time Water shut off Res
82. ntinuously for 5 seconds the controller will switch the machine into a Harvest cycle September 2006 Page 27 Electrical Sequence Air or Water Cooled 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 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 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
83. nut and the panel Then tighten one quarter turn more That ensures that there is a brass to brass joint inside the coupling September 2006 Page 17 General Installation Remote Plumbing Requirements All models require connection to cold potable water A hand actuated valve within site of the machine is required There is a single 3 8 FPT inlet water connection a 3 8 FPT to 3 8 male flare adapter is supplied with the machine and can be used if desired Water Filters Install a new cartridge if the filters were used with a prior machine All models require drain tubing to be attached to them There is a single 74 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 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 dischargin
84. ominal width of cabinet Other sizes 22 and 48 S Cube size S small or half dice cube M medium or full dice cube e A Condenser type A air cooled W water cooled R Remote 1 Electrical code 1 115 volts 32 208 230 single phase 3 208 230 three phase 6 230 50 Hz C Series revision code C third series Note In some 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 September 2011 Page 2 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 n
85. 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 September 2006 Page 20 Prodigy Cuber System Information Over 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 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 September 2006 Page 21 Controller Information Machine Indicator Lights Power Status Water 1 Technician Section que Freeze Cyclo 5 Siena Gean flashes eraan ice is Pending Code Display Harvest J I flashes nef AN lean Cycle Control Operation See Man
86. on 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 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
87. on time Minimum compressor off time 4 minutes Continuous Run Time Maximum Cycles 200 October 2006 Page 38 Restarts Power Interruption The controller will automatically restart the ice machine after adequate voltage has been restored H blinks on code display 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 The controller will attempt to fill the reservoir every twenty minutes until it is successful On Off Switch Access All models ship with the On and Off switches front accessible If desired the On and Off switches can be covered by changing the bezel in the front panel s trim strip A cover up bezel ships loose with the machine September 2006 Page 39 Control Button Use from standby Set purge level 1 5 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 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 di
88. or secure the condenser to the roof Remote Condenser Locate ABOVE Condenser Distance amp rd Max Location 35 X Max 15 dd Remote Condenser Locate BELOW September 2006 Page 14 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 Both ends of each line have quick connect couplings the end without access valves goes to the ice maker 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 1 3 4 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
89. 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 September 2006 Page 4 General Installation Air or Water Cooled Plumbing Requirements All models require connection to cold potable water A hand actuated valve within site of the machine is required Air cooled models have a single 3 8 FPT inlet water connection a 3 8 FPT to 3 8 male flare adapter is supplied with the machine and can be used if desired 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 FPT 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
90. orce 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 Anytime harvest is complete the hot gas valve and harvest assist solenoid are shut off The harvest assist solenoid pin returns to its normal position by spring pressure If the curtain s re close after harvest the freeze cycle will restart January 2010 Page 25 How It 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 th
91. oses 8 Remove valve from cabinet 9 Reverse to reassemble 1 Push and release the On button to restart the machine Water level sensor 1 Push and hold the Off button until the machine shuts off 2 Remove the front panel 3 Remove the sound shield 4 Locate water level sensor 5 Squeeze the locking tabs together and pull the sensor up and out of the sump 6 Unplug the electrical connection from the sensor 7 Reverse to reassemble September 2006 Page 113 Repair Procedures Water pump 1 Push and hold the Off button until the machine shuts off AWARNING Electrical Shock Hazard e 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 Liftpump 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 September 2006 Page 114 Refrigeration Removal and Replacement Procedures Evaporator 1 Remove front panel If the machine was in operation push and release the Harvest button to warm up the Connect nitrogen bottle to discharge access port Open both access valves Unsweat the inlet an
92. pp 80090 54 17903 106 5093 158 1752 210 701 77607 DD teks 17439 107 4981 159 1719 211 690 eis 75210 56 16988 108 4872 160 1687 212 679 D au sepu 72896 Sd suus 16551 109 4766 161 1655 213 668 70660 16126 110 4663 162 1624 214 657 V 68501 59 15714 111 4562 163 1594 215 646 8 66415 60 15313 112 4463 164 1565 216 636 EE 64400 Ol ae 14924 113 4367 165 1536 217 626 10 cas 62453 62 14546 114 4273 166 1508 218 616 bs 60571 63 ss an 14179 115 4182 167 1480 219 606 125 s 58752 64 13823 116 4093 168 1453 220 597 135 2 56995 13476 117 4006 169 1427 221 587 14 55296 66 13139 118 3921 170 1401 222 578 15 53653 07 4 s 12812 119 3838 171 1375 223 569 52065 68 12494 120 3757 172 1350 224 560 M oss 50529 69 12185 121 3678 173 1326 225 931 18 49043 is 11884 122 3601 174 1302 226 543 19 5 us 47607 lass 11592 123 3526 175 1279 227 534 20 46217 72 235 11308 124 3452 176 1256 228 526 74 44872 13 11031 125 3381 177 1234 229 518 22 dx 43571 74 10763 126 3311 178 1212 230 510 23 v4 42313 10502 127 3243 179 1190 231 502 24 41094 76 4 zoen 10247 128 3176 180 1169 232 495 25 vus 39
93. r Procedures Curtain 1 Push and hold the Off button to shut the machine off 2 Remove front panel 3 Remove evaporator cover 4 inside tab to release front curtain pin from holder 5 Pull curtain from machine 6 Reverse to reassemble 7 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 AWARNING Electrical Shock Hazard Disconnect electrical power before beginning 3 Remove front panel 4 Remove evaporator cover 5 Remove sound shield 6 Open control box 7 Locate curtain switch on evaporator mounting bracket Pull switch from its snaps 8 Dismount wires from sump cover and remove from J7 or J8 connector on control board 9 Reverse to reassemble Be sure wires are re mounted to sump cover edge September 2006 Page 112 Repair Procedures Purge valve 1 Push and hold the Off button to shut the AWARNING machine off 2 Disconnect electrical power Eikema Shock 9 Remove tront panel Gy Disconnect electrical power before beginning 4 Remove left side panel 5 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 h
94. r leak Incorrect superheat Check evaporator superheat if significantly low or high replace TXV 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 Clear ice away Curtain does not close correctly Check curtain for proper swing September 2006 Page 50 Makes Excessive Noise Water Cooled Problem Likely Cause Probable Solution Compressor vibrates Mounting bolts loose Tighten bolts Water pump vibrates Pump bearings worn Replace pump Panels vibrate Mounting screws loose Tighten screws September 2006 Page 51 Diagnostics Remote Air Cooled No Ice Problem Likely Cause Probable Solution No power to unit Power disconnected Check breaker or fuse Reset or replace restart and check No power to controller Transformer open Replace transformer Shut down on max water fill time Water shut off Restore water supply Shut down on maximum freeze time Water leak Check purge valve curtain sump pump hose Dirty condenser Clean condenser Restricted location intake air too hot Have condenser moved Ice thic
95. r 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 solenoid are shut off The harvest assist solenoid pin returns to its normal position by spring pressure If the curtain s re close after harvest 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 November 2006 Page 26 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
96. rm 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 September 2006 Page 68 Test Procedures Loads Liquid Line Solenoid remote only 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 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 wnen the Condenser Fan 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 liquid line coil from harness Measure liquid line coil resistance If open replace the liquid line valve coil A 02 U 2 Lil 2 AU SOLENOID
97. screw holding strap to back of the control box 7 Remove wires from capacitor 8 Connect wires to new capacitor refer to wiring diagram as needed 9 Reverse to reassemble Contactor 1 Disconnect electrical power 2 Remove front panel 3 Open control box cover 4 Remove right side of control box 5 Remove metal barrier from control box 6 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 September 2006 Page 110 Repair Procedures Controller 1 Disconnect electrical power A WARNING Electrical Shock Hazard a Disconnect electrical power before beginning 10 11 12 Remove front panel Open control box door Unplug all wires from controller Remove screws holding controller to door Push controller snaps down and pull controller from mounting bracket Before touching new controller discharge pe LAC RES E WDR dun any static electricity by touching the metal M 77 be 5 Eo n surface of the ice machine cabinet m E ESL Rotate selector switch to the proper model number for the machine the controller is being installed on Install new controller on mounting bracket secure with original screws Attach all wires removed Shut control box cover Switch on the electrical power September 2006 Page 111 Repai
98. 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 If the curtain switch remains open the controller shuts the machine down and puts it into a standby position September 2006 Page 30 Remote Schematics Remote Condenser LLLLLLLLLLLLLLLLLI Head Pressure Control Valve 1 1 Discharge Line y Receiver CP 1 Liquid Line Valve Heat i Exchange Hot Gas Valve Compressor Suction ee C0522R C0530R C0630R and C1030R Remote Condenser dee Hot Gas Valve
99. tain does Check switch with ohmmeter 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 pin not retracted Check harvest assist mechanism spring should retract pin Damaged evaporator Check evaporator surface September 2006 Page 48 Diagnostics Water Cooled Problem Likely Cause Probable Solution Shut down on minimum freeze time Grounded ice thickness sensor Check sensor for dirt and position Clean and check gap Test Mode Sequence Air or Water Cooled Time seconds On Off 0 WIV 30 seconds WP HGV Comp Fan PV 30 WP 10 seconds WIV HGV Comp Fan PV 40 WP PV 10 seconds WIV Comp Fan 50 HGV Comp 5 seconds WIV WP Fan PV 55 Comp 15 seconds WIV HGV WP Fan PV 70 None 5 seconds All 75 10 seconds WIV WP Comp Fan PV 85 Fan 10 seconds WIV HGV WP Comp PV 95 None All Test Complete September 2006 Page 49 Low ice Making Capacity Water Cooled Problem Likely Cause Probable Solution Long freeze cycle Water leak Check purge valve check curtain Water inlet valve leaks through Check inlet valve Low on refrigerant Add refrigerant if cycle time drops check fo
100. ted Check harvest assist mechanism spring should retract pin Damaged evaporator Check evaporator surface Shut down on minimum freeze time Grounded ice thickness sensor Check sensor for dirt and position Clean and adjust gap to evaporator surface using 13 64 drill bit as a gauge September 2006 Page 54 Low Ice Making Capacity Remote Problem Likely Cause Probable Solution Long freeze cycle Dirty condenser Clean condenser Hot ambient Check condenser inlet temp Water leak Check purge valve check curtain Water inlet valve leaks through Check inlet valve 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 Clear ice away Curtain does not close correctly Check curtain for proper swing September 2006 Page 55 Makes Excessive Noise Remote Problem Likely Cause Probab
101. 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 Temperature Sensor Set September 2006 Page 60 Test Procedures Loads 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 resistance from Common to Run compare to the chart Measure resistance from Common to Start compare to the chart
102. the controller s ice thickness sensor circuit by connecting a wire from J10 to ground Reconnect electrical power The Ready for Harvest light should go ON t COMPRESSOR READY HARVEST GAS Ready To Harvest light is ON when water contacts ice thickness sensor Ice Thickness Sensor September 2006 Page 58 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
103. tore water supply Shut down on maximum freeze time Water leak Check purge valve curtain sump pump hose Air filters clogged Clean air filters Dirty condenser Clean condenser Restricted location intake air too hot Have machine moved 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 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 September 2006 Page 42 Diagnostics Air Cooled Problem Likely Cause Probable Solution Shut down on maximum freeze time 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
104. troller 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 Reported temperature used by the controller to determine anti slush cycle start time January 2010 Page 33 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 Light Table System Indicator Light ON Condenser Fan or Liquid L
105. ual D Board Locked Hi E fater Restore water suj 4 Main codes automatically displayed 9 S LN Clean and sanitize flashes Pene 7 RR F Freeze Cycle Dues and To Change Denese Of flashes Harvest sewn lor 3 seconds Press On to select purge x Harvest Time Shut Down FEL E CD 1 5 setting or A for Automatic 3 Slow Water Fill F flashes Freeze Cycle is Pending Pepe Cem rie Sump Temp Sensor Faire poten sae Coana oe 8 flashes Short Freeze Retrying aes LINER Harvest Cycle Seed DIDA ROS iR t H fl ashes M anual Harvest Benetton La 4or8 Depress Locked Out Contact Leasing Company S Bin is Full C 2G Clean Cycle Scotsman en ers Board Locked gane Test Mode Os Off E soe ee Self Test Failed Change De Scale Notification Interval 1 flashes Max Freeze Retrying This feature is accessible only from eee Max Freeze Time Shut Down standby Status Light Off 2 flashes Max Harvest Retrying 2 2 2 Max Harvest Time Shut Down 1 Press and hold harvest button for 3 Slow Water Fill seconds 7a er ae Bos ee High Discharge Tem 5 e This starts the Time to Clean 5 Discharge Temp Sensor Adjustment Mode and displays the 8 ashes 7 Short _ enr current time to clean setting B sights gh as Short Freeze Thin ice 2 Press the clean button repeatedly to cycle through the
106. ure 20 F 120 F Power Supply 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 and workmanship It does not cover maintenance corrections to installations or situations when the ice machine is operated in circumstances that exceed the limitations printed above September 2006 Page 9 General Installation Remote Product Description and Electrical Requirements See spec sheet or User s Manual for Minimum Circuit Ampacity or Maximum Fuse Slze de us Model Electrical Use condenser 22 x 24 x 23 C0522SR 1 115 60 1 ERC111 1 same same same ERC211 1 30 x 24 x 23 C0530SR 1 115 60 1 ERC111 1 same same same ERC211 1 same C0630SR 32 208 230 60 1 ERC311 32 30 x 24 x 29 C0830SR 32 208 230 60 1 ERC311 32 same C0830SR 3 208 230 60 3 ERC311 32 same C1030SR 32 208 230 60 1 ERC31 1 32 same C1030SR 3 208 230 60 3 ERC311 32 48 x 24 x 29 C1448SR 32 208 230 60 1 ERC311 32 same C1448SR 3 208 230 60 3 ERC311 32 same C1848SR 32 208 230 60 1 ERC61 1 32 same C1848SR 3 208 230 60 3 ERC611 32 same C2148SR 32 208 230 60 1 ERC611 32 same C2148SR 3 208 230 60 3 ERC611 32 ERC211 has two circuits when two C0522s or
107. 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 Lights 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 co

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