Norcold 1082 Service Manual
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Norcold 1082 Service Manual

Norcold 1082 Service Manual

Free-standing refrigerator
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See also: Installation & Operator's Manual
Service Manual
MODEL 1082 FREE-STANDING
AC . . . . . . . . . . . . . . 120 VAC, 60 Hertz
. . . . . . . . . 132 VAC Max. - 108 VAC Min.
Heater . . . . . . . . . . . . Power - 300 Watt
. . . . . . . . . . . . . Current - 2.7-2.9 Amps
. . . . . . . . . . . . . Resistance - 40.3 Ohms
Important Safety Information . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . 3
Leveling the Refrigerator . . . . . . . . . . . . 4
Gas Connection . . . . . . . . . . . . . . . . 4
Gas Safety Device . . . . . . . . . . . . . . . 5
Burner Flame . . . . . . . . . . . . . . . . . . 5
120 Volt AC Connection . . . . . . . . . . . . 5
Part No.: 618432A (95-07)
REFRIGERATOR
Specifications
Contents
. . . . . . . . 7
LP Gas . . Propane Supply Pressure 11" W.C.
. . . . . . . . 10.5" W.C. min. burner pressure
. . . . . . . . . . . . . . . . . . . LP16 Orifice
. . . . . . . . . . . . . . . . . . 1550 BTU/Hr.
Burner Ignition . . . . . . . . . . Manual (Piezo)
Trouble Shooting-AC Electric . . . . . . . . . . 9
Trouble Shooting-LP Gas . . . . . . . . . 10-13
Component Check-Out-LP Gas . . . . . . . . 15
Flue . . . . . . . . . . . . . . . . . . . . . . 16
Over-Freezing Condition . . . . . . . . . . . 17
Diagnosing Cooling Problems . . . . . . . . . 18
Cooling Unit Installation . . . . . . . . . . 20-23
Parts List . . . . . . . . . . . . . . . . . 24-30

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  • Page 1: Table Of Contents

    Service Manual MODEL 1082 FREE-STANDING REFRIGERATOR Specifications AC ....120 VAC, 60 Hertz LP Gas . . Propane Supply Pressure 11" W.C..132 VAC Max. - 108 VAC Min.

  • Page 2: Important Safety Information

    A defective cooling unit must be replaced. damage, severe personal injury, or death. • Hazardous vapors. Propane gas can cause an • The refrigerator model 1082 is not approved for use explosion, resulting in property damage, severe personal injury, or death. Use caution when work- in R.V.

  • Page 3: Installation

    Refer to this manual for proper instructions. For assistance or additional information consult a qualified installer, service agency, or your gas supplier. The Norcold refrigerator is to be located on a solid and level floor that is strong enough to support the com- bined weight of the refrigerator and its contents.

  • Page 4: Leveling The Refrigerator

    Leveling the Refrigerator " Wrench The refrigerator has a moisture reduction device lo- cated in the divider panel. This device will inhibit mois- ture accumulation on the divider panel between the refrigerator and freezer doors. To insure proper opera- tion of the refrigerator and the moisture reduction de- vice, the refrigerator must be level.

  • Page 5: Gas Safety Device

    Gas Device Safety Test After placing the refrigerator into operation, the gas safety device must be tested. The purpose of the gas safety device is to prevent the escape of unburned gas from the burner if the burner flame is extinguished. While there is a flame present at the burner, turn the refrigerator’s manual shutoff valve to "OFF".

  • Page 6: Lighting And Start-Up Instructions

    Warranty Time Allowance • Norcold will pay the time allowance multiplied by the service facility prevailing shop labor rate. • The time allowances which follow include diagnostic times include defective part replacement and gas leak test times (when applicable).

  • Page 7: Wiring Diagram And Schematic

    Wiring Diagram and Schematic...
  • Page 8 * Do not remove or cut the round grounding prong from the refrigerator’s AC power cord. Do not use a two-prong adapter. * Replace blown fuses with a fuse specified by Norcold. Refer to "Specifications" section of this manual, or the fuse size printed adjacent to the fuse on the refrigerator.

  • Page 9: Trouble Shooting-Ac Electric

    AC Electric Malfunction Do not use if problem occurs on Gas Mode Is mode Is circuit breaker Is refrigerator’s Is AC voltage Is thermostat set selection switch or fuse blown? AC power cord present at the at mid-range or in the (AC source to connected to AC outlet?

  • Page 10: Trouble Shooting-Lp Gas

    Important Safety Information-Gas Circuit Read this information before attempting to perform service on this refrigerator. Understand the service procedures before performing the service. Warning: Always apply the safety precautions on page 1 and the precautions listed below. Failure to follow these safety precautions can result in substantial property damage, severe personal injury, or death.
  • Page 11 Spark at burner, flame will not ignite, or ignites and goes out. Are the burner & Is the Is the ignition Is the input gas Remove the burner orifice thermocouple spark direct to pressure within burner cover. free and clear tip over the fourth the burner? specifications?
  • Page 12 Important Safety Information-Gas Circuit Read this information before attempting to perform service on this refrigerator. Understand the service procedures before performing the service. Warning: Always apply the safety precautions on page 1 and the precautions listed below. Failure to follow these safety precautions can result in substantial property damage, severe personal injury, or death.
  • Page 13 Trouble Shooting the Gas Mode of Operation No ignition spark at the burner Is the ignition Is there an audible Is the ignition electrode positioned click heard while Remove burner electrode free Remove control between 1/8"-3/16" rapidly pressing box cover.. from foreign cover.

  • Page 14: Component Check-Out-Ac Electric

    Component Check Out Procedures-AC Electric Note: Before attempting to trouble shoot the refrigera- tor, make sure the AC outlet (Figure 8) is supplying between 108 and 132 volts. 5 Amp Fuse Check-Figure 8 • If 120 VAC is not present at the heater terminals, check the 5 amp fuse for continuity.

  • Page 15: Component Check-Out-Lp Gas

    Component Check-Out Procedures LP Gas Flame Meter Check-Out-Figure 12 • Use the control panel and control bracket removal To Thermocouple procedure to gain access to the flame meter leads. adapter • Insure the red flame meter lead is connected to the Flame Meter thermocouple adapter and the blue flame meter lead is connected to the black ground wire.

  • Page 16: Procedure For Cleaning Burner, Burner Orifice, And Flue

    Procedure for Cleaning Burner, Burner Orifice, and Flue-Figure 16 WARNING: Carbon Monoxide can be hazardous to your health and life. Gas appliances may emit excessive Carbon Monoxide if the burner, burner orifice, and the flue tube are not regularly cleaned. To prevent Carbon Monoxide build-up, the burner, burner orifice, and flue tube must be cleaned at least twice a year and after prolonged (seasonal) shut-down periods.

  • Page 17: Over-Freezing Condition

    Heat Deflector Cap Condenser Flue Tube Baffle Suspension Wire Absorber Baffle Coils Burner Assembly Flue Orifice Compression Burner Ring Burner Box Connection Fitting Orifice Copper Gasket Figure 16 Burner Tube Over-Freezing-Figure 17 • Insure the capillary tube is properly attached to the cooling fins (Capillary tube mislocation is a common cause of over-freezing.).

  • Page 18: Diagnosing Cooling Problems

    DIAGNOSING COOLING PROBLEMS Note: If the refrigerator operates in one mode but not in another, the problem is not in the cooling system: refer to diagnostics section of this manual. This section should be used when the refrigerator does not cool or cools only marginally in both operating modes (AC and LP Gas). Air Circulation: •...

  • Page 19: Cooling Unit Removal Procedures

    Cooling Unit Removal and Replacement AC Power Procedures-Figures 18-22 Cord Removal 1. Turn the LP gas supply off at the main tank. 2. Pull the refrigerator forward from its permanent Hold location. 3. Disconnect the refrigerator’s AC power cord from LP Gas Supply the wall receptacle.

  • Page 20: Cooling Unit Installation

    11. Disconnect the heater leads. 12. Remove the drain cup. 13. Remove the 1/4" screw that secures the burner Burner cover to the cooling unit and remove the burner Cover cover. Heater Leads Figure 21 14. Loosen the burner tube compression nut and remove the burner tube from the burner.
  • Page 21 1/2" Bead 4. Remove from the shipping carton two tubes con- Transfer taining transfer mastic and permagum sealant Mastic (tube are labeled for identification). 5. Apply the transfer mastic (1/2" bead) to the ex- posed part of the tubes on the upper and lower portions of the replacement cooling unit.
  • Page 22 8. Align the cooling fins with the opening in the refrigerator cabinet. 9. Slide the cooling unit into the refrigerator cabinet until the cover plate of the cooling unit meets the cabinet. Insure the mastic-covered tubes contact the freezer plate and the cooling fins. Warning: Cooling unit contains hazard- Figure 27 ous liquid under pressure.
  • Page 23 Figure 30. The left side of the Model "A" Dimension condenser can be raised or lowered slightly to obtain 1082 3/4" Min. 1 1/4" Max. the "A" dimension. Install screw to tab to maintain "A" dimension.

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