Cornelius 500-Series Service Manual

TD 184ICE MAKERPOCKET GUIDECornelius Ice Makers OnlyStarting with Serial Code FAJune 1990 ProductionIMI CORNELIUSOne Cornelius PlaceAnoka, MN 553031–

TD 1845Approximate Pressure RangesDepending on operating ambient and incomingwater temperature.CUBERSFreezeCycleDFROSTCYCLERefrigerantHead PressureSuc

TD 1846Ice Production CheckCycle time (CT) = freeze time plus harvest time, in minutesand seconds. 1440 divided by CT = number of cycles per 24hours.M

TD 1847SERIES 700(CONDENSER) AMBIENT°INCOMING WATER TEMP. ° FTEMP. ° F50° 70° 80°(Air Cooled)70° 610 550 52080° 575 510 48090° 530 470 445(Water Coole

TD 1848SERIES 900MODEL NUMBER AMBIENT°INCOMING WATER TEMP. ° F(CONDENSER) TEMP. ° F50° 70° 80°AC-900-SS-MH70° 696 620 594(Air Cooled)80° 650 582 55690

TD 1849SERIES 1400MODEL NUMBER AMBIENT°INCOMING WATER TEMP. ° F(CONDENSER) TEMP. ° F50° 70° 80°(Air Cooled)70° 1400 1240 118080° 1320 1175 111090° 121

TD 18410COMMERICAL FLAKER ICE MAKERICE PRODUCTION CAPACITY (Approximate)(AIR COOLED) SERIES 200Ambient Room Temp.°F 70 80 90 100°C 21 27 32 38Inlet Wa

TD 18411(AIR COOLED) SERIES 725Ambient Room Temp.°F 70 80 90 100°C 21 27 32 38Inlet Water Temp.°F 50 60 70 80°C 10 16 21 27Production per 24 hrs. Lbs

TD 18412(AIR COOLED) SERIES 1100Ambient Room Temp. °F 70 80 90 100Inlet Water Temp. °F 50 60 70 80Production per 24 hrs. Lbs 1050 960 840 700(WATER CO

13 TD 184THE FOLLOWING MAINTENANCE SHOULDBE PERFORMED AT LEAST EVERY SIXMONTHS ON FLAKED ICE MACHINES1. Check power supply with machine running for pr

14 TD 18412. Re–assemble. steps 6 through 10.CAUTION: IN RE–ASSEMBLING THE AUGERGEARMOTOR, THE HOLD DOWN CLAMPSMUST BE TIGHT AND SECURE. IN RE–INSTAL-

TD 184

15 TD 184Add 1/2 oz. “sanitizer” to a gallon of lukewarm wa-ter. With a non–metallic bristle brush, scrub the inte-rior of the ice bin including the u

16 TD 184circulating water system including the evaporator,pump, distributor and all inter-connecting vinyl tub-ing. Depress dump valve switch on con

TD 18417ADJUSTMENT FOR ICE BRIDGE THICK-NESSAn ice bridge connecting all cubes is necessary for a properharvest of discharge of cubes from the evapora

TD 18418CHECKOUT PROCEDURE FOR HARVESTBIN SWITCHESTurn on the ice machine and move the evaporator curtains(s)away from the evaporator(s). The ice mac

TD 18419TROUBLESHOOTING CUBE ICEMAKERSSTATUS INDICATORS 300 AND 322 SERIES1. No Lights Unit in freeze cycle.2. Flashing Red Bridge thickness temperatu

TD 184203. Cut the suspected sensor wire at least six inchesfrom the thermowell in which it is located.4. Remove the sensor from the thermowell.5. Car

TD 18421NO ICE BEING FORMED ON EVAPORATOR.1. No water in reservoir – clean or replace float.2. Pump not running – check sensor & board.3. Dump sol

TD 18422FLUCTUATING LOW SIDE PRESSURE(MORE THAN 5#).1. Is TXV bulb tight on top of suction line?2. Is there a proper charge in unit?3. Is water runnin

TD 18423HIGH HEAD PRESSURE.1. Is condenser clean.2. Is fan operating properly?3. On “water cooled” is water valve adjusted properly?4. Too high ambien

TD 18424WATER PUMP WILL NOT RUN1. Is evaporator below 20°F?2. Is evaporator sensor good?3. Is pump motor good – Does it run in the “clean”position?4.

iTD 184TABLE OF CONTENTSPAGEINTRODUCTION 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SERIAL NUMBER DATE CODE DEFINITION 2. . . . .

25 TD 184TROUBLESHOOTING FLAKERSTrouble Probable Cause Remedy1. Unit will not run On-off switch in“off” position.Turn switch to “on”Defective on-offsw

26 TD 184Trouble RemedyProbable Cause2. Compressorcyclesintermittently.(cont’d)Loose electricalconnection.Check wiring.3. Making wet ice. Surrounding

27 TD 184Trouble RemedyProbable Cause5. Water leaks(cont’d)“O” ring leakingat bottom ofevaporator shellCheck and replaceStorage bindrain and tubingChe

28 TD 184Trouble RemedyProbable Cause8. Unit off on reset Ice jams up inevaporator shellClean insidesurface ofevaporator shellBin thermostatwill not s

29 TD 184Trouble RemedyProbable Cause9. Unit goes off onreset (cont’d)Strips loose ormissing oninside ofevaporator shellInspect and replaceevaporator

30 TD 184Trouble RemedyProbable Cause9. Unit goes off onreset (cont’d)Auger out ofline causingexcessive wearon the loweroutside surfacewhere it rubsag

iiTD 184TABLE OF CONTENTS CONT’DPAGE(WATER COOLED) SERIES 1100 12. . . . . . . . . . . . . (AIR COOLED) SERIES 2400 12. . . . . . . . . . . . . . . .

iiiTD 184TABLE OF CONTENTS CONT’DPAGECURTAIN DOES NOT STAY IN PLACE. 39. . . . . . . . . . ICE TOO THICK OR TOO THIN. 39. . . . . . . . . . . . . . .

TD 184 1INTRODUCTIONThis guide is published as an aid to the Service Technician. Itis not intended to replace the service manual. In it you willfind u

2 TD 184SERIAL NUMBER DATE CODE DEFINITIONF A 0000Sequential NumberYearMonthMO. 1990 1991 1992 1993 1994 1995Jan –– AB AC AD AE AFFeb –– BB BC BD BE

3 TD 184ORIGINAL OWNER, END-USERRESPONSIBILITY1. To verify the equipment installation date by thereturn of the warranty registration card to the fac-

TD 1844SEQUENCE OF OPERATION CUBER ONLYAfter the installation of the water lines from the primary watersupply, the float valve will be open and remain