Cornelius SERIES 750 (R404a) Manuel de service

MODULAR FLAKED ICE MAKERMODELS: SERIES 750 (R404a), SERIES 1100 (R22), SERIES 2400 (R404a)Service ManualPRINTED IN U.S.AIMI CORNELIUS INC; 10/94 - 10/

7 166240009WARNING: WATER LEVEL MUST BE MAINTAINED AT THE TOP OF THE EVAPORATOR.WATER LEVELill224FIGURE 3. WATER LEVEL1. Remove gearmotor and auger.

8166240009STACKING INSTRUCTIONS FOR STACKING KIT 29757The Kit consists of:1 – #26102 Sealer2 – #261 1/4-20x5/8 screw2 – #256 1/4” flat washer2 – #239

9 166240009TYPICAL WATER CIRCUITThe supply water enters the float chamber through a small orifice. The water level rises and lifts the buoyantfloat w

10166240009TYPICAL REFRIGERANT CIRCUITHeat always flows from hot to cold and therefore, the ”heat load” supplied to the evaporator section by watergiv

11 166240009ELECTRICAL CIRCUITCIRCUIT DESCRIPTIONAs the manual on–off–circuit breaker switch is pushed to ”on”, an electrical circuit is completed to

12166240009COMPRESSOR START RELAYThis is a current type relay and contains a N.O. contact which is connected in series with the start winding of theco

13 166240009GEAR MOTORM512ORSTART CAPACITOR72-86 MFD 330 VACCOMPRESSORSTART RELAYCOMPRESSOR RATED 2.0 AMPSCIRCUIT BREAKERON-OFF SWITCH3START CAPACITOR

14166240009 AF750PMH-50-R 220 VOLTS 50 Hz MOTORGEARMFAN MOTORMCOMPRESSORSTART CAPACITORMLS88-106 MFD 220 VON-OFF SWITCHCIRCUIT BREAKER RATED 1.5 AMPS

15 166240009 MOTORGEARA/C ONLYFAN MOTORMOR2COMPRESSORCAPACITORSTART15ON-OFF SWITCHCIRCUIT BREAKER RATED 1.5 AMPSCAPACITORSTART2GEAR MOTOREVAPORATOR HE

16166240009 MOTORGEARWH FANCLASS IIMMORSTART152TRANSFORMERON-OFF SWITCHCIRCUIT BREAKER RATED 1.5 AMPSSTART3GEAR MOTOR COOLINGCAPACITOR RELAYPOWER4 W

i166240009TABLE OF CONTENTSPageINTRODUCTION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17 166240009 MOTORGEARMON-OFF SWITCHCIRCUIT BREAKER RATED 1.5 AMPSSTART3GEAR MOTORCAPACITORM4FAN MOTORDELAYTHERMOSTAT2START RELAYGEAR MOTORBLYL BOXOU

18166240009 MOTORGEARMOR1COMPRESSORCAPACITORSTART25ON-OFF SWITCHCIRCUIT BREAKER RATED 1.5 AMPS3GEAR MOTORCAPACITORM4FAN MOTORSTARTDELAYBKTHERMOSTAT2ST

19166240009PRESSURECAPACITORWATERSWITCHLOWCO 10CI 20PRESSURE BIN LIMITCO 450250VSTARTCAPACITORRUNCOMPRESSOR370V35 MFDCOMPRESSOR145-174 MFD215START REL

20166240009MAINTENANCETHE FOLLOWING MAINTENANCE SHOULD BE PERFORMED AT LEAST EVERY SIX MONTHS ONFLAKED ICE MACHINES:1. Check power supply with machine

21 166240009SANITIZING AND CLEANING PROCEDURE1. Turn switch to ”OFF” to stop unit.2. Remove top cabinet panel.CAUTION: Hazardous moving parts. Do not

22166240009WATER TREATMENTDuring the freezing process, as water passes under the freezing plate, the impurities in the water have a ten-dency to be re

23 166240009TROUBLESHOOTINGTrouble Probable Cause RemedyUNIT WILL NOT RUN A. On–off switch in ”off” position. A. Turn switch to ”on”.B. Defective on–o

24166240009Trouble RemedyProbable CauseMAKING WET ICE. A. Surrounding air temperaturetoo high.A. Correct or move unitB. High water level in floatreser

25 166240009Trouble RemedyProbable CauseUNIT OFF OR TRIPS CIRCUITBREAKER.A. Ice jams up in evaporatorshell.A. Clean inside surface ofevaporator shell.

26166240009Trouble RemedyProbable CauseUNIT GOES OFF OR TRIPSCIRCUIT BREAKER. (CONT’D)L. Plugged expansion valve, orcapillary tube causing low backpr

ii166240009TABLE OF CONTENTS (cont’d)LIST OF FIGURESPageFIGURE 1. 750 AND 1100 SERIES SPECIFICATIONS 2. . . . . . . . . . . . . . . . . . . . . FIGURE

27 166240009PARTS LIST FOR 750 AND 1100 SERIESILL.NO . DESCRIPTION 1100 750 1100–50Hz 750–50Hz1 Shroud, condenser 27597 161890012 27597 1618900122 Co

2816624000949484746454443424140393837363534333231302928272625242322212019181716151413121110987654321ill2275051FIGURE 13. ILLUSTRATED PARTS BREAKDOWN S

29 1662400091234567891011121314FIGURE 14. REMOTE CONDENSER ILLUSTRATED PARTS BREAKDOWN FOR 1100 SERIESILL. NO. PART NO. DESCRIPTION1 27334 Condenser2

30166240009PARTS LIST 2400 SERIESITEM NO DESCRIPTION PART NO.1 Condenser A/C 1618700112 Fan mounting bracket 1648200213 Fan motor 271854 Fan blade 271

31 166240009123455667788910101112131314141516171819202021222324252627282829 2930 31323332333435353636373738 38394041424344FIGURE 15. ILLUSTRATED PARTS

P/N 163238002Effective March. 1, 1996Starting with ProductionSerialNumber Code 9603IMI CORNELIUS INC.ONE CORNELIUS PLACEANOKA, MINNESOTA 55303-6234166

166240010 33THIS PAGE LEFT BLANK INTENTIONALLY

One Cornelius PlaceAnoka, Minnesota 55303-6234(763) 421-6120(800) 238-3600Corporate Headquarters:IMI CORNELIUS INC.16624001034

1 166240009INTRODUCTIONWe have strived to produce a quality product. The design has been kept simple thus insuring trouble–freeoperation.This manual

2166240009SPECIFICATIONS 750 AND 1100 SERIESABCDE8 1/4-IN.21-CM5 1/16-IN.13-CM5-IN.13-CM9-IN.23-CMCHUTE OPENINGFRONTBOTTOMVIEWREARVIEWA = POWER INLETB

3 166240009ICE PRODUCTION CAPACITY (approximate)RF-1100-P-MH PRODUCTION CHARTAIR TEMPERATURE WATER TEMPERATURE50°F/10°C 60°F/16°C 70°F/21°C70°F/21°C 1

4166240009SPECIFICATIONS 2400 SERIESAIR INNOTE: AIR IS EXHAUSTED OUTBACK AND SIDE OPPOSITECONDENSEROVERALL DIMENSIONS23-9/16-IN. HIGH x 45-1/8-IN. WID

5 166240009INSTALLATION INSTRUCTIONSYou will get better service from the ice machine, longer life and greater convenience if you choose its locationwi

616624000914. Turn machine on and check for proper voltage and amp draw on the entire unit as well as componentssuch as the gearmotor and fan motor.15