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Service Manual for Tri-Channel Cold Pan SUB-GP

PARTS REPLACEMENT

Thermostat Replacement

Figure 4

Location of Thermostat

General

The thermostat is located in front on the control
panel below the refrigeration assembly,
(Figure 4).

1. Disconnect unit from power source.

2. Remove control panel cover with thermostat.

3. Tag and disconnect thermostat wiring.

4. The evaporator coil is located above the

refrigeration assembly. Remove thermostat
probe from evaporator coil.

5. Remove knob.

6. Remove thermostat mounting screws.

7. Remove thermostat from control panel.

8. Install replacement thermostat, mounting

screws and knob.

NOTE:

 Do not kink thermostat probe.

9. Install thermostat probe in evaporator coil.

10. Using tags, connect thermostat wiring.

11. Install control panel cover and mounting

screws.

12. Install condenser

13. Connect unit to power source and test

refrigeration assembly.

Evaporator

Figure 5

Location of Evaporator Coil

General

The evaporator coils are embedded in the upper
body, (Figure 5) of the Tri-Channel Cold Pan.
They cannot be serviced or replaced. The entire
upper body must be replaced.

Summary of Contents for SUB-GP

Page 1: ...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 c...

Page 2: ...E OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WARNING UNLESS ALL COVER AND ACCESS PANELS ARE IN PLACE AND PROPERLY SECURED DO NOT OPERATE THIS EQUIPMENT CAUTION...

Page 3: ...nnection 4 MAINTENANCE 5 Stainless Steel Care and Cleaning 5 PREVENTIVE MAINTENANCE 6 Cleaning the Condenser Coil 6 PARTS REPLACEMENT 7 Thermostat Replacement 7 General 7 Evaporator 7 General 7 Refrig...

Page 4: ...Be sure that the unit is placed on a firm flat surface floor Check for cracks in flooring or tile and avoid these areas if possible If necessary place support pads properly rated for the weight of th...

Page 5: ...trial cleaners and also in hard water and salts If a chloride or alkaline cleaner has been used rinse repeatedly and dry thoroughly Always use only soft cloths or plastic scouring pads For routine cle...

Page 6: ...or near the condenser coil 9 8 765 4 3 2 1 WARMER COLDER Figure 3 Location of Condensing Coil The condenser coil is located and accessed from the front of the unit Figure 3 A vent cover protects the...

Page 7: ...m evaporator coil 5 Remove knob 6 Remove thermostat mounting screws 7 Remove thermostat from control panel 8 Install replacement thermostat mounting screws and knob NOTE Do not kink thermostat probe 9...

Page 8: ...ly pressure check evaporator coils for leaks 9 Install replacement refrigeration assembly onto slide bars 10 Slide in refrigeration assembly to original position 11 Install refrigeration assembly moun...

Page 9: ...l injury or death When using nitrogen to pressure test always use a pressure regulator Failure to do so will result in extremely high pressure of the compressor or other system components and result i...

Page 10: ...Service Manual for Tri Channel Cold Pan SUB GP 10 ELECTRICAL Electrical Schematic Figure 7 Electrical Schematic...

Page 11: ...ostat switch is stuck in the closed position Drain hose plugged Drain hose loose or disconnected from drain pan REMEDY Plug unit in Set thermostat to a higher number for a colder temperature Replace t...

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