Cornelius 200 Service Manual
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Cornelius 200 Service Manual

Self-contained flaked ice maker r404a refrigerant
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Service Manual
SELF-CONTAINED FLAKED ICE MAKER
Model: Series 200, 525, 725
(R404A Refrigerant)
IMPORTANT:
TO THE INSTALLER.
It is the responsibility of
the Installer to ensure that
the water supply to the
dispensing equipment is
provided with protection
against backflow by an air
gap as defined in
ANSI/ASME A112.1.2-1979;
or an approved vacuum
breaker or other such
method as proved effective
by test.
Water pipe connections
and fixtures directly
connected to a potable
water supply shall be
sized, installed, and
maintained according to
Federal, State, and Local
Codes.
Part No. 166240010
November, 1993
Revised: October, 1996
THIS DOCUMENT CONTAINS IMPORTANT INFORMATION
This Manual must be read and understood before installing or operating this equipment
IMI CORNELIUS INC; 1993- - 96
Ó
IMI CORNELIUS INC g One Cornelius Place g Anoka, MN 55303-6234
Telephone (800) 238-3600
Facsimile (612) 422-3246
PRINTED IN U.S.A

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  • Page 1 IMI CORNELIUS INC g One Cornelius Place g Anoka, MN 55303-6234 Telephone (800) 238-3600 Facsimile (612) 422-3246 Service Manual SELF-CONTAINED FLAKED ICE MAKER Model: Series 200, 525, 725 (R404A Refrigerant) IMPORTANT: TO THE INSTALLER. It is the responsibility of the Installer to ensure that...

  • Page 2: Table Of Contents

    ............SPECIFICATIONS 200 .
  • Page 3 ......FIGURE 7. WIRING DIAGRAM AF-- 200--P-SC-R 115 VOLTS 60 HZ ..

  • Page 4: Introduction

    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- -6234 Phone 800- -554- -3526...

  • Page 5: Specifications 200

    6-IN. 15-CM A- 1/4 WATER INLETS (S.A.E. MALE FLARE) B- 5/8 O.D. TUBE (DRAIN) C- 1/2 O.D. TUBE (DRAIN) FIGURE 1. 200 SERIES SPECIFICATIONS ICE PRODUCTION CAPACITY (approximate) AF-200-P(S)-SCR PRODUCTION CHART AIR TEMPERATURE WATER TEMPERATURE 50° F/10° C 70° F/21° C 80°...

  • Page 6: Specifications 525

    SPECIFICATIONS 525 13 1/2-IN. 26 1/2-IN. 34-CM 3 1/2-IN. 67-CM 2-IN. 9-CM 5-CM 3 1/2-IN. 9-CM 2 1/2-IN. 6-CM REAR VIEW ELECTRICAL OF CABINET 5/8-IN. BOX AREA ON-OFF 2-CM 34-IN. SWITCH 86-CM 5 5/8-IN. 14-CM 26-IN. 19 1/2-IN. 3 5/8-IN. 66-CM 50-CM 9-CM...

  • Page 7: Specifications 725

    SPECIFICATIONS 725 30-IN. 17 1/8-IN. 76-CM 43-CM 2 3/8-IN. 2-IN. 6-CM 5-CM 2 3/4-IN. 7-CM 2 1/2-IN. 6-CM ON-OFF REAR VIEW SWITCH ELECTRICAL OF CABINET 34-IN. BOX AREA 5/8-IN. 86-CM 2-CM 5 5/8-IN. 26-IN. 40-IN. 14-CM 19 1/2-IN. 66-CM 102-CM 50-CM MIN.

  • 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: Adjustment Procedure

    Connect a drain hose to the condensate drain stub tube. NOTE: All plumbing must be done in accordance with national and local codes. Connect the electrical supply line to the unit. NOTE: Make sure the proper voltage and number of wires are provided. See serial plate for this in- formation.

  • Page 10: 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 11: 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 12: 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 ther- mostat.

  • Page 13: 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 in the magnet coil which causes the relay to operate, closing the relay contact.

  • Page 14: 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 15: Sanitizing And Cleaning Procedure

    IMI Cornelius has water filter/treatment systems available to control imputities found in your water supply. Con- tact your local dealer for more information.

  • Page 16: Winter Storage

    WINTER STORAGE If the unit is to be stored in an area where the temperature will drop below freezing, it is most important that all water lines be drained to prevent them from freezing and possible rupture. To blow out the water line, disconnect the water supply at the cabinet inlet and use air pressure to force the wa- ter into the water reservoir pan.

  • Page 17: Figure 7. Wiring Diagram Af-- 200--P-Sc-R 115 Volts 60 Hz

    COMPRESSOR COMPRESSOR START CAPACITOR START RELAY 145- - 174 MFD 220 VAC CONTACTOR 115 VOLTS 60 Hz AF- -200- -P- -SC- -R Part No. 161909061 Artwork 50922 FIGURE 7. WIRING DIAGRAM AF- - 200- -P-SC-R 115 VOLTS 60 HZ 166240010...

  • Page 18: Figure 8. Wiring Diagram Af-200-P-Sc-50-R 220 Volts 50 Hz

    OVERLOAD GN/Y COMPRESSOR COMPRESSOR START CAPACITOR START RELAY 50- - 60 MFD 330 VAC CONTACTOR 220 VOLTS 50 Hz AF- -200- -P- -SC- -50- -R Part No. 161909064 Artwork 50929 FIGURE 8. WIRING DIAGRAM AF-200-P-SC-50-R 220 VOLTS 50 HZ 166240010...

  • Page 19: Figure 9. Wiring Diagram Af525--Sc-R And Af725-Sc-R 115 Volts 60 Hz

    ON- - OFF SWITCH CIRCUIT BREAKER RATED 2.0 AMPS GEAR DELAY MOTOR THERMOSTAT GEAR MOTOR THERMOSTAT START CAPACITOR GEAR MOTOR START RELAY WIRE NUT CONDENSOR FAN FAN SWITCH C.I. 275 C.O.205 CONTROL HIGH PRESSURE C.O. 450 PSI COMPRESSOR COMPRESSOR OVERLOAD COMPRESSOR START CAPACITOR...

  • Page 20: Figure 10. Wiring Diagram Af/Wf-525Psc-50-R 220 Volts 50 Hz

    ON- - OFF SWITCH CIRCUIT BREAKER RATED 1.5 AMPS GEAR MOTOR START RELAY DELAY GEAR THERMOSTAT MOTOR GEAR MOTOR THERMOSTAT START CAPACITOR FAN MOTOR WIRE NUT FAN SWITCH CONTROL HIGH PRESSURE COMPRESSOR COMPRESSOR OVERLOAD COMPRESSOR START CAPACITOR 43- - 52 MFD 330 V COMPRESSOR START RELAY CONTACTOR...

  • Page 21: Service Analysis

    SERVICE ANALYSIS 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 22: Water Leaks

    Trouble Probable Cause Remedy WATER LEAKS. Worn or bad float valve Check and replace Float and arm assembly stuck Check and replace ” O”ring leaking at bottom of Check and replace evaporator shell Storage bin drain and tubing Check and repair EXCESSIVE NOISE OR Mineral or scale deposits on Remove and clean inside...

  • Page 23: Unit Goes Off On Reset. (Cont' D)

    Trouble Probable Cause Remedy UNIT GOES OFF ON RESET. Plugged expansion valve, Check back pressure, replace (CONT’ D) causing low back pressure valve, evacuate and re--charge system, replace drier--strainer Slight leak, causing low back Check back pressure, find gas pressure leak, repair leak, evacuate system, add drier and recharge Loose hold--down assy...

  • Page 24: Illustrated Parts Breakdown, Series 525- -725

    ILLUSTRATED PARTS BREAKDOWN, SERIES 525- -725 FIGURE 11. PARTS BREAKDOWN 166240010...

  • Page 25: Parts List

    PARTS LIST ITEM NO . DESCRIPTION Compressor (115V 60HZ) 162964053 162964011 162964011 Compressor (220V 50HZ) 162964054 162964038 - -- -- -- -- - Pad, Masonite 09115 36310 36310 Hold- -Down, Evaporator 163277001 163277002 163277002 Evaporator 01501 41100 41100 O- -Ring 00122 03120 03120...

  • Page 26: Cabinet Parts List

    CABINET PARTS LIST 525 and 725 FIGURE 12. CABINET PARTS BREAKDOWN ITEM DESCRIPTION AF200PSCR AF200SSCR AF525PSCR AF525SSCR AF725PSCR NO . AF200PSC50R AF525PSC50R Bin Door 09120 09120 09120 09120 36555 Door, Track, LH 25007 25007 25007 25007 25007 Door, Track, RH 08824 08824 08824...

  • Page 27: 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 28 IMI CORNELIUS INC. Corporate Headquarters: One Cornelius Place Anoka, Minnesota 55303-6234 (763) 421-6120 (800) 238-3600...

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