Norcold 600 Repair Manual
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Norcold 600 Repair Manual

Norcold 600 Repair Manual

Power control circuit
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Summary of Contents for Norcold 600

  • Page 3: Table Of Contents

    16 Auto Mode of Operation 20 Lp Gas Mode of Operation 26 DC Mode of Operation 30 Product Information Notice-Humidity Switch 31 Normal and Abnormal Conditions 34 Wiring Pictorials 42 600 Series Parts List 57 6000/6100 Series Parts List 67 Ice Maker Parts List...

  • Page 4: General Information And Specifications

    B101 General Information and Specification OPERATING LIMITS - ALL MODELS 682, 683, 6082, 6083, 6182, 6183 RATINGS MODELS 1500 Btu/Hr Input LP Gas Mode: AC Mode: 132 VAC Max., 108 11" W.C. VAC Min. LP16 Orifice 15.4 VDC Max., 10.5 12 Volts DC control voltage VDC Min.
  • Page 5 B101 12 Volts DC Connection PRONG CAN RESULT IN A SEVERE ELECTRICAL SHOCK, AS WELL AS, VOIDING THE REFRIGERATOR ELECTRICAL CERTIFICATION AND WAR- All refrigerator models require a 12 RANTY. EXTENSION CORDS ARE NOT RECOMMENDED. volt DC supply (even though 2-Way models are designed to operate on Appliance 120 volts AC and gas, a 12 volt DC...

  • Page 6: Operation

    Operation Control Description Auto Mode These refrigerator models require When AUTO is selected, and 120 volts AC is supplied to terminals J9 hot, 12 volts DC be applied at all times and J8 neutral the AC light on the Eyebrow will be illuminated. The 12 volts in order for the refrigerator to oper- DC will now be pulled to ground thru a transistor on the Eyebrow board, re- ate in any mode.

  • Page 7: Location Of Controls

    Location of Controls Mode Selector Switch Mode Selector Switch Storage/Humidity Switch Storage/Humidity Switch Thermostat Thermostat Interior Light Switch Later Models Earlier Models Serial Plate Figure 11.3 Front View AC and/or Ignition Module DC Heating Element Power Supply Solenoid Valve Figure 11.4 Rear View...

  • Page 8: Operation And Lighting Instructions

    Operation and Lighting Instructions Start Up Instructions - Auto Mode Note: Double door models only - switch Humidity/Storage switch (on Eyebrow panel) must be in NORMAL operation or HIGH HUMIDITY position for refrigerator to operate. Figure 11.5 Electric Operation 1. Move Thermostat to COLDEST position. Set AUTO - OFF - GAS switch to AUTO. Set DC OFF/DC ON to DC OFF. 2.

  • Page 9: Information Regarding Battery Drain

    DC Mode Note: Double door models only - Humidity/Storage switch (on Eyebrow panel) must be in Normal operation or High Humid- ity position for refrigerator to operate. Figure 11.7 DC Operation 1. Move thermostat to COLDEST position. 2. Set DC OFF-DC \ ON switch to DC ON. (DC ON will override the AUTO-OFF-GAS switch.) 3.

  • Page 10: Parts Function

    Parts Function Power Supply Furnishes selected heat source with the selected voltage to operate the refrigerator, provided the voltage inputs are correct (See Figure 11.9). It supplies: 1. 12 volts DC to the HIGH HUMID- ITY circuit (2-door models only) 2.
  • Page 11 Thermistor Senses the temperature of the re- frigerator and tells the Thermostat when to turn on and off. Ignition Module Ignition Module is used only during GAS operation, and does the following: 1. Supplies 12 volt DC to operate the Gas Valve. 2.
  • Page 12 Orifice Identification lo- cated on this surface Orifice Applies the correct amount of LP gas to the Burner provided the main line gas pressure is correct. Figure 11.15 Burner Orifice Burner Applies the correct amount of heat to the cooling unit when supplied the correct amount of LP gas and air.
  • Page 13 AC Heating Element Black Leads Applies specific amount heat to the cooling unit, provid- ing 120 volts AC is present to the refrigerator. Figure 11.18 AC Heater DC Heating Element Yellow Leads Applies specific amount of heat to the cooling unit, providing the DC input voltage is correct.

  • Page 14: Trouble Shooting

    Auto Mode of Operation Answer these questions before calling Norcold’s technical Service Number. 1. Is the refrigerator installed and vented in accordance with the Ventilation instructions speci- fied in Section 2? 2.
  • Page 15 5 amp fuse as shown by NEVER OVERFUSE A CIRCUIT. REPLACE BLOWN FUSE WITH EXACT RE- Figure 11.24. If you do not PLACEMENT INDICATED BY NORCOLD. OVERFUSING OF A CIRCUIT have 120 volts as shown, re- CAN RESULT IN A FIRE.
  • Page 16 9. Check that the Humidity/Stor- J10, J12 Jumper age switch (Figure 11.20) (2 Connection door models only) is set to NORMAL or HIGH HUMIDITY. 10. For the single door models, check that the two blue wires, terminals J10 & J12, are con- nected together as shown by Figure 11.25.
  • Page 17 15. If 10 Volts DC is present in the preceding step, continue by removing the Eyebrow assem- bly from the refrigerator by re- moving the 3 screws as shown in Figure 11.28. Figure 11.28 Eyebrow Removal 16. Remove the Eyebrow board from the Eyebrow assembly as shown in Figure 11.29.
  • Page 18 19. With the volt-ohm-meter check the three points (A, B and C) indicated in Figure 11.31 for 12 volts DC. If you do not have 12 volts the cable is defective. 20. Set the Mode Selector to all modes of operation. The 12 volts as indicated in Figure 11.31 should go to zero.

  • Page 19: Lp Gas Mode Of Operation

    GAS. Once the gas op- NEVER OVERFUSE A CIRCUIT. REPLACE BLOWN FUSE WITH EXACT RE- eration is established in this mode, PLACEMENT INDICATED BY NORCOLD. OVERFUSING OF A CIRCUIT the Mode Selector should be CAN RESULT IN A FIRE.
  • Page 20 J10, J12 Jumper Connection 7. For the single door models, check that the two blue wires terminals J10 and J12 are con- nected together as shown by Figure 11.36. AC and DC power con- nected but not shown Figure 11.36 Single Door Power Supply 8.
  • Page 21 12. If 10 Volts is present in the pre- ceding step, continue by re- moving the Eyebrow assembly from the refrigerator by remov- ing the 3 screws as shown in Figure 11.39. Figure 11.39 Eyebrow Removal 13. Remove the Eyebrow board from the Eyebrow assembly as shown in Figure 11.40.
  • Page 22 16. With the volt-ohm-meter check the three points (A, B and C) indicated in Figure 11.42 for 12 volts DC. If you do not have 12 volts the cable is defective. A. Set the Mode Selector to all modes of operation. The 12 volts as indicated in Figure 11.42 should go to zero.
  • Page 23 21. Check the manual shut-off valve shown in Figure 11.45 to be sure it is in the on position. 22. If 12 volts was not measured in Step 18 and the Gas Valve did not open or there were no sparks to the Burner, and the check lamp did not go out, replace the Ignition Module.
  • Page 24 Ignition Electrode 25. Check that the alignment of the electrodes is correct as shown in Figure 11.48 26. Check the Ignition electrode Figure 11.48 Proper Electrode Gap shown in Figure 11.49 for a short to ground. A. Turn the Mode Selector to OFF.

  • Page 25: Dc Mode Of Operation

    NEVER OVERFUSE A CIRCUIT. REPLACE BLOWN FUSE WITH EXACT RE- REPLACING ANY DC ELECTRI- CAL COMPONENTS. CAUTION PLACEMENT INDICATED BY NORCOLD. OVERFUSING OF A CIRCUIT MUST BE TAKEN WHEN DISCON- CAN RESULT IN A FIRE. NECTING THE DC SUPPLY. THE 6.
  • Page 26 J10, J12 Jumper Connection 7. For the single door models, check that the two blue wires terminals J10 and J12 are con- nected together as shown by Figure 11.53. AC and DC power con- nected but not shown 8. With the volt-ohm-meter set to measure 12 volts DC, check for 12 volts at the emit- Figure 11.53...
  • Page 27 12. If 10 Volts DC is present in the preceding step, continue by removing the Eyebrow assem- bly from the refrigerator by re- moving the 3 screws as shown in Figure 11.56. Figure 11.56 Eyebrow Removal 13. Remove the Eyebrow board from the Eyebrow assembly as shown in Figure 11.57.
  • Page 28 NEVER OVERFUSE A CIRCUIT. REPLACE BLOWN FUSE WITH EXACT REPLACEMENT INDI- CATED BY NORCOLD. OVER- FUSING OF A CIRCUIT CAN RE- SULT IN A FIRE. AC and DC power connected but not shown B. If the fuse is good, replace the Power Supply.

  • Page 29: Normal And Abnormal Conditions

    Illustrations Showing Normal and Abnormal Conditions of the Mode Selector Normal Condition Figure 11.62 Electric Operation Mode Selector set to AUTO; AC indicated. Refrigerator operating on AC. Normal Condition Figure 11.63 Gas Operation Mode Selector set to AUTO; LP indicated. Refrigerator operating on GAS. 120 volts AC is not supplied to the refrig- erator.
  • Page 30 Normal Condition Figure 11.67 DC Operation Mode Selector set to OFF; DC switch set to DC ON; DC indicated. Refrigerator operating on DC. Normal Condition* Figure 11.68 DC Operation Mode Selector set to AUTO; DC switch set to DC ON; DC indicated. Refrigerator operating on DC. Normal Condition* Figure 11.69 DC Operation...
  • Page 31 Abnormal Condition Figure 11.72 Auto Operation Mode Selector set to GAS; AC indicated. Refrigerator operating on GAS. Remedy: Replace Eyebrow board. Abnormal Condition Figure 11.73 Auto Operation Mode Selector set to AUTO; LP indicated. Refrigerator operating on AC Remedy: Replace Eyebrow board Abnormal Condition Figure 11.74 Gas Operation...
  • Page 33 B101...
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  • Page 37: Wiring Pictorials

    B101 This Page Contains Wiring Pictorials For Earlier Versions...
  • Page 38 B101 This Page Contains Wiring Pictorials For Earlier Versions...
  • Page 39 B101 This Page Contains Wiring Schematics For Earlier Versions...
  • Page 40 This Page Contains Wiring Schematics For Earlier Versions...
  • Page 41 !" #$% & &...

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