Duke SUB-GP Service Manual
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Duke SUB-GP Service Manual

Tri-channel cold pan
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Service Manual
TRI-CHANNEL COLD PAN
MODEL
SUB-GP
Please read this manual completely before attempting to
install, operate or service this equipment
This manual is Copyright © 2005 Duke Manufacturing Company. All rights reserved.
Reproduction without written permission is prohibited. Duke is a registered
trademark of the Duke Manufacturing Company.
Duke Manufacturing Company
2305 N. Broadway
St. Louis, MO 63102
Phone: 314-231-1130
Toll Free: 1-800-735-3853
Fax: 314-231-5074
www.dukemfg.com
P/N 219206

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Summary of Contents for Duke SUB-GP

  • Page 1 Please read this manual completely before attempting to install, operate or service this equipment This manual is Copyright © 2005 Duke Manufacturing Company. All rights reserved. Reproduction without written permission is prohibited. Duke is a registered trademark of the Duke Manufacturing Company.
  • Page 2 Service Manual for Tri-Channel Cold Pan SUB-GP IMPORTANT WARNING AND SAFETY INFORMATION WARNING READ THIS MANUAL THOROUGHLY BEFORE OPERATING, INSTALLING, OR PERFORMING MAINTENANCE ON THE EQUIPMENT. WARNING FAILURE TO FOLLOW INSTRUCTIONS IN THIS MANUAL CAN CAUSE PROPERTY DAMAGE, INJURY OR DEATH.

  • Page 3: Table Of Contents

    Service Manual for Tri-Channel Cold Pan SUB-GP Contents SPECIFICATIONS ........................... 4 INSTALLATION ............................4 Location .............................. 4 Inside Unit ............................4 Outside Unit ............................4 Leveling .............................. 4 Stabilizing ............................4 Electrical Connection ......................... 4 MAINTENANCE ............................5 Stainless Steel Care and Cleaning ..................... 5 PREVENTIVE MAINTENANCE .......................

  • Page 4: Specifications

    Service Manual for Tri-Channel Cold Pan SUB-GP SPECIFICATIONS Inside Unit Provide adequate space along the front and MODEL DESCRIPTION VOLTAGE AMPS back taking care to not block airflow to the fan. SUB-GP Tri-Channel 120 VAC (60Hz) Cold Pan 220 VAC (50Hz) Outside Unit Be sure that the unit has access to ample air;...

  • Page 5: Maintenance

    Service Manual for Tri-Channel Cold Pan SUB-GP MAINTENANCE CAUTION: N e v e r u s e a n a c i d - b a s e d cleanser! Be sure to clean all f o o d p r o d u c t s...

  • Page 6: Preventive Maintenance

    Service Manual for Tri-Channel Cold Pan SUB-GP PREVENTIVE MAINTENANCE Figure 2 Location of Condensing Coil Figure 3 Location of Condensing Coil Cleaning the Condenser Coil The condenser coil is located and accessed Failure to maintain a clean condenser coil can from the front of the unit, (Figure 3).

  • Page 7: Parts Replacement

    Service Manual for Tri-Channel Cold Pan SUB-GP PARTS REPLACEMENT 9. Install thermostat probe in evaporator coil. 10. Using tags, connect thermostat wiring. Thermostat Replacement 11. Install control panel cover and mounting screws. 12. Install condenser 13. Connect unit to power source and test refrigeration assembly.

  • Page 8: Refrigeration System Replacement

    Service Manual for Tri-Channel Cold Pan SUB-GP Refrigeration System Replacement NOTE: Before installing replacement refrigeration assembly, pressure check evaporator coils for leaks. General 9. Install replacement refrigeration assembly onto slide bars. 10. Slide in refrigeration assembly to original position. 11. Install refrigeration assembly mounting hardware.

  • Page 9: Charging Procedure

    Service Manual for Tri-Channel Cold Pan SUB-GP Charging Procedure 1. Install a temporary access valve on the high and low side of process hoses as close to factory crimps as possible. NOTE: Prior to refrigeration system service, special care must be taken during the evacuation 2.

  • Page 10: Electrical

    Service Manual for Tri-Channel Cold Pan SUB-GP ELECTRICAL Electrical Schematic Figure 7 Electrical Schematic...

  • Page 11: Troubleshooting

    Service Manual for Tri-Channel Cold Pan SUB-GP TROUBLESHOOTING SYMPTOM CAUSE REMEDY Cabinet too warm Unit not plugged in Plug unit in Thermostat set too warm Set thermostat to a higher number for a colder temperature Thermostat switch stuck open in...

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