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Service Manual
Part No. 166240009
OCTOBER 1994
Revised October, 1996
THIS DOCUMENT CONTAINS IMPORTANT INFORMATION
This Manual must be read and understood before installing or operating this equipment
IMI CORNELIUS INC; 10/94 - 10/95
MODULAR FLAKED ICE MAKER
MODELS: SERIES 750 (R404a),
SERIES 1100 (R22),
SERIES 2400 (R404a)
PRINTED IN U.S.A
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Table of Contents
Related Manuals for Cornelius SERIES 750 (R404a
Summary of Contents for Cornelius SERIES 750 (R404a
- Page 1 Service Manual SERIES 2400 (R404a) Part No. 166240009 OCTOBER 1994 Revised October, 1996 THIS DOCUMENT CONTAINS IMPORTANT INFORMATION This Manual must be read and understood before installing or operating this equipment IMI CORNELIUS INC; 10/94 - 10/95 PRINTED IN U.S.A...
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Page 2: Table Of Contents
TABLE OF CONTENTS Page INTRODUCTION ............SPECIFICATIONS 750 AND 1100 SERIES . - Page 3 TABLE OF CONTENTS (cont’d) LIST OF FIGURES Page FIGURE 1. 750 AND 1100 SERIES SPECIFICATIONS ..... FIGURE 2. SPECIFICATIONS FOR 2400 SERIES .
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Page 4: Introduction
If you encounter a problem which is not covered in this manual, please feel free to write or call. We will be happy to assist you in any way we can. When writing, please state the model and serial number of the machine. Address all correspondence to: A Product of IMI Cornelius Inc. One Cornelius Place Anoka, MN 55303–1592 Phone 800–554–3526 FAX 612–422–3232... -
Page 5: Specifications 750 And 1100 Series
SPECIFICATIONS 750 AND 1100 SERIES 23 1/8-IN. CHUTE OPENING 59-CM 8 1/4-IN. 5 1/16-IN. 21-CM 13-CM 23-IN. 5-IN. 58-CM FRONT 13-CM 1 1/2-IN. BOTTOM 4-CM VIEW 1 3/4-IN. 4-CM 26 1/4-IN. 1 1/2-IN. 9-IN. 67-CM 4-CM 23-CM A = POWER INLET 11 1/2-IN. -
Page 6: Rf-1100-P-Mh Production Chart
ICE PRODUCTION CAPACITY (approximate) RF-1100-P-MH PRODUCTION CHART AIR TEMPERATURE WATER TEMPERATURE 50°F/10°C 60°F/16°C 70°F/21°C 70°F/21°C 1202 lbs/545 kgs 80°F/27°C 1119 lbs/508 kgs 90°F/32°C 988 lbs/448 kgs 1100 Compressor Electrical Rating 3/4 hp 2 hp Compressor Model Copeland RS64CIE-PAF-214 Copeland CRD-10200PFV Condenser Air or Water Cooled Air or Water Cooled... -
Page 7: Specifications 2400 Series
SPECIFICATIONS 2400 SERIES OVERALL DIMENSIONS 23-9/16-IN. HIGH x 45-1/8-IN. WIDE x 27-5/16-IN. DEEP 17 1/2-IN. 8-IN. 60-CM 115-CM 69-CM 44-CM 20-CM 44-IN. 112-CM 15 1/8-IN. 14 1/4-IN. 15 1/8-IN. 38-CM 36-CM 38-CM ELECTRICAL WATER IN (W/C) 9 1/8-IN. WATER INLET 23 1/2-IN. -
Page 8: Installation Instructions
INSTALLATION INSTRUCTIONS You will get better service from the ice machine, longer life and greater convenience if you choose its location with care. Here are a few points to consider: 1. Select a location as close as possible to where you are going to use the ice. 2. -
Page 9: Remote Condenser
14. Turn machine on and check for proper voltage and amp draw on the entire unit as well as components such as the gearmotor and fan motor. 15. Check refrigerant circuit and all plumbing connections for leaks, etc. 16. Check bin thermostat or mechanical shut–off for proper operations. In the mid–range the bin thermostat will open at 42°... -
Page 10: Figure 3. Water Level
WARNING: WATER LEVEL MUST BE MAINTAINED AT THE TOP OF THE EVAPORATOR. WATER LEVEL ill224 FIGURE 3. WATER LEVEL 1. Remove gearmotor and auger. 2. Adjust float valve to get water level to top seam of the evaporator. 3. Re–install auger. WATER LEVEL WILL RISE WHEN AUGER IS INSERTED BUT WHEN THE MACHINE IS TURNED BACK ON AND ICE STARTS BEING MADE, THE WATER LEVEL WILL GO BACK TO THE ORIGINAL SETTING. -
Page 11: Stacking Instructions For Stacking Kit 29757
STACKING INSTRUCTIONS FOR STACKING KIT 29757 The Kit consists of: 1 – #26102 Sealer 2 – #261 1/4-20x5/8 screw 2 – #256 1/4” flat washer 2 – #239 1/4” Lock Washer 1 – #29758 Stacking Chute Extension 1. After uncrating machine to be stacked, remove front and rear panels. 2. -
Page 12: Typical Water Circuit
TYPICAL WATER CIRCUIT The supply water enters the float chamber through a small orifice. The water level rises and lifts the buoyant float with it. The float attached to the float arm seats a valve to shut off any further water supply. As water leaves the float chamber, the level drops along with the float and arm, causing the valve to open and admit more water. -
Page 13: Typical Refrigerant Circuit
TYPICAL REFRIGERANT CIRCUIT Heat always flows from hot to cold and therefore, the ”heat load” supplied to the evaporator section by water gives up its heat to the refrigerant which is at a temperature below the freezing point of water. This refrigerant now passes through the heat exchanger back to the compressor, as a low pressure vapor. -
Page 14: Electrical Circuit
ELECTRICAL CIRCUIT CIRCUIT DESCRIPTION As the manual on–off–circuit breaker switch is pushed to ”on”, an electrical circuit is completed to the gearmotor via the circuit breaker gearmotor overload, power relay / contactor, gearmotor delay thermostat and the bin thermostat. After the previous circuit has been completed the condenser fan motor will start as will the compressor (via the high pressure control and the compressor starting relay). -
Page 15: Compressor Start Relay
COMPRESSOR START RELAY This is a current type relay and contains a N.O. contact which is connected in series with the start winding of the compressor. The relay coil is electrically in series with the run winding. When power is applied, the compressor draws high current which sets up a magnetic field around the magnet coil which causes the relay to operate, closing the relay contact. -
Page 16: Figure 6. Wiring Diagram Af/Wf-750-Mh-R
FIGURE 6. WIRING DIAGRAM AF/WF–750–MH-R 166240009... -
Page 17: Figure 7. Wiring Diagram Af-750-Pmh-50R
FIGURE 7. WIRING DIAGRAM AF–750–PMH-50R 166240009... -
Page 18: Figure 8. Wiring Diagram Af/Wf-1100-Mh
FIGURE 8. WIRING DIAGRAM AF/WF–1100–MH 166240009... -
Page 19: Figure 9. Wiring Diagram Rf-1100-Mh
FIGURE 9. WIRING DIAGRAM RF–1100–MH 166240009... -
Page 20: Figure 10. Wiring Diagram Af/Wf-1100
FIGURE 10. WIRING DIAGRAM AF/WF–1100–MH–3 166240009... -
Page 21: Figure 11. Wiring Diagram Af/Wf-1100
FIGURE 11. WIRING DIAGRAM AF/WF–1100–MH–50 166240009... -
Page 22: Figure 12. Wiring Diagram 2400 Series
FIGURE 12. WIRING DIAGRAM 2400 SERIES... -
Page 23: Maintenance
MAINTENANCE THE FOLLOWING MAINTENANCE SHOULD BE PERFORMED AT LEAST EVERY SIX MONTHS ON FLAKED ICE MACHINES: 1. Check power supply with machine running for proper voltage. 2. Check water level in the float tank reservoir. Water level should be maintained at the top of the evaporator. Adjust if necessary. -
Page 24: Sanitizing And Cleaning Procedure
SANITIZING AND CLEANING PROCEDURE 1. Turn switch to ”OFF” to stop unit. 2. Remove top cabinet panel. CAUTION: Hazardous moving parts. Do not operate unit with panel removed. 3. Mix sanitizing solution by using 0.5-ounces of household liquid bleach (such as Hi-Lex or Chlorox) to one gallon of potable water. -
Page 25: Water Treatment
IMI Cornelius has water filter/treatment systems available to control impurities found in your water supply. Con- tact your local dealer for more information. -
Page 26: Troubleshooting
TROUBLESHOOTING Trouble Probable Cause Remedy UNIT WILL NOT RUN On–off switch in ”off” position. Turn switch to ”on”. Defective on–off switch. Check and replace. Blown fuse. Replace fuse and check for cause of blown fuse. Thermostat set too warm for Adjust colder. -
Page 27: Making Wet Ice
Trouble Probable Cause Remedy MAKING WET ICE. Surrounding air temperature Correct or move unit too high. High water level in float Lower water level, see step 2, reservoir. page 5 Dirty condenser. Clean condenser Faulty compressor. Check and replace Refrigerant leak. Check and repair ”O”... -
Page 28: Unit Off Or Trips Circuit Breaker
Trouble Probable Cause Remedy UNIT OFF OR TRIPS CIRCUIT Ice jams up in evaporator Clean inside surface of BREAKER. shell. evaporator shell. Bin thermostat will not shut–off Check and adjust or replace . machine. Set too cold. Auger motor has worn Check and replace. -
Page 29: Unit Goes Off Or Trips Circuit Breaker. (Cont'd)
Trouble Probable Cause Remedy UNIT GOES OFF OR TRIPS Plugged expansion valve, or Check back pressure, replace CIRCUIT BREAKER. (CONT’D) capillary tube causing low back valve or capillary tube. Evacuate pressure. and re–charge system, replace drier–strainer. M. Slight leak, causing low back M. -
Page 30: Parts List For 750 And 1100 Series
PARTS LIST FOR 750 AND 1100 SERIES ILL. NO . DESCRIPTION 1100 1100–50Hz 750–50Hz Shroud, condenser 27597 161890012 27597 161890012 Condenser 26266 161870004 26266 161870004 Bracket, fan motor 37977 163183006 37977 163183006 Blade, condenser fan 23527 165595003 23527 165595003 Motor, condenser fan 35961 161871003 35961... -
Page 31: Figure 13. Illustrated Parts Breakdown Series 750 - 1100
ill227 FIGURE 13. ILLUSTRATED PARTS BREAKDOWN SERIES 750 – 1100 166240009... -
Page 32: Figure 14. Remote Condenser Illustrated Parts Breakdown For 1100 Series
FIGURE 14. REMOTE CONDENSER ILLUSTRATED PARTS BREAKDOWN FOR 1100 SERIES ILL. NO. PART NO. DESCRIPTION 27334 Condenser 27149 Shroud 27576 Frame assy 27183 Fan blade 27185 Motor, fan 27384 Bracket, fan motor mounting 27181 Relay 27379 Cover, electrical box 27345 Electrical box assy 42145 CNN–Quick, male... -
Page 33: Parts List 2400 Series
PARTS LIST 2400 SERIES ITEM NO DESCRIPTION PART NO. Condenser A/C 161870011 Fan mounting bracket 164820021 Fan motor 27185 Fan blade 27183 Drier 166184002 Masonite Pad 26124 Hold–down 163277003 Evaporator 42597 Evaporator O–Ring 03120 Auger 21078 Shell L.H. 162966001 Shell R.H. 162966002 Automatic expansion valve 161921010... -
Page 34: Figure 15. Illustrated Parts Breakdown Series 2400
FIGURE 15. ILLUSTRATED PARTS BREAKDOWN SERIES 2400 166240009... -
Page 35: Warranty
CORNELIUS whichever time period elapses first. The obligation of CORNELIUS under this warranty is limited to repair or replacement (at the option of CORNELIUS) FOB factory in Mason City, Iowa of the part (or Parts) of any Machine that is proven defective. - Page 36 THIS PAGE LEFT BLANK INTENTIONALLY 166240010...
- Page 37 IMI CORNELIUS INC. Corporate Headquarters: One Cornelius Place Anoka, Minnesota 55303-6234 (763) 421-6120 (800) 238-3600 166240010...