Norcold 1082 Service Manual Download

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Service Manual

Contents

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

Lighting and Start-Up Instructions . . . . . . . 6

Warranty Time Allowance Chart . . . . . . . . 6

Wiring Diagram and Schematic . . . . . . . . 7

Trouble Shooting-AC Electric . . . . . . . . . . 9

Trouble Shooting-LP Gas . . . . . . . . . 10-13

Component Check-Out-AC Electric . . . . . . 14

Component Check-Out-LP Gas . . . . . . . . 15

Procedure for Cleaning Burner, Burner Orifice, and
Flue . . . . . . . . . . . . . . . . . . . . . . 16

Over-Freezing Condition . . . . . . . . . . . 17

Diagnosing Cooling Problems . . . . . . . . . 18

Cooling Unit Removal Procedures . . . . 19-20

Cooling Unit Installation . . . . . . . . . . 20-23

Parts List . . . . . . . . . . . . . . . . . 24-30

MODEL 1082 FREE-STANDING

REFRIGERATOR

Part No.: 618432A (95-07)

Specifications

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

LP Gas . . Propane Supply Pressure 11" W.C.

. . . . . . . . 10.5" W.C. min. burner pressure

. . . . . . . . . . . . . . . . . . . LP16 Orifice

. . . . . . . . . . . . . . . . . . 1550 BTU/Hr.

Burner Ignition . . . . . . . . . . Manual (Piezo)

Summary of Contents for 1082

Page 1: ...Out AC Electric 14 Component Check Out LP Gas 15 Procedure for Cleaning Burner Burner Orifice and Flue 16 Over Freezing Condition 17 Diagnosing Cooling Problems 18 Cooling Unit Removal Procedures 19 20 Cooling Unit Installation 20 23 Parts List 24 30 MODEL 1082 FREE STANDING REFRIGERATOR Part No 618432A 95 07 Specifications AC 120 VAC 60 Hertz 132 VAC Max 108 VAC Min Heater Power 300 Watt Current ...

Page 2: ...pter Do not use an extension cord The use of improper rated fuses can lead to an electrical fire In the event of a circuit overload replace blown fuses with a fuse specified by Nor cold Fuse specifications are found in the Specifi cation section of this manual The correct fuse size is printed adjacent to the fuse on the refrigerator Keep liquids away from electrical connections Many liquids are el...

Page 3: ...he Refrigerator WARNING Improper location installation adjustments or unauthorized modifications can cause injury or property damage 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...

Page 4: ... adequate clearance Once the gas piping is installed apply a sealant around the piping at its point of entry to minimize abrasion and to serve as a barrier from external moisture Provide an adequate length of gas supply tubing for connecting the refrigerator to the main gas supply tank Additional tubing is required at the rear of the refrigerator Figure 3 to allow the refrigerator to be pulled sev...

Page 5: ...there is a constant yellow component observed or if the flame appears erratic or unstable switch the refrigerator to electric or turn the refrigerator OFF and contact a qualified installer service agency or gas supplier 120 Volts AC Connection WARNING This refrigerator is designed to operate on a 120 volts AC 60 Hertz grounded circuit The refrigerator AC power cord is equipped with a three prong g...

Page 6: ...er than 10 seconds to allow air to be purged from the propane gas supply line 6 Set thermostat control B to desired setting after initial cool down Shutdown All Modes 1 Push and turn the Elec Off Gas C control knob to the Off position Warranty Time Allowance Norcold will pay the time allowance multiplied by the service facility prevailing shop labor rate The time allowances which follow include di...

Page 7: ...Wiring Diagram and Schematic 6 ...

Page 8: ...rical power source to the refrigerator before replacing any AC electrical component 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 Keep liquids away from AC electric...

Page 9: ...trols forward YES YES Check heater resistance If not within specs replace heater Check hot smooth wire of AC power cord to the fuse holder Replace if needed Replace 5 amp fuse and start refrigerator Is mode selection switch in the AC position NO YES Is AC voltage present at the AC heater YES Is AC voltage to input of 5 amp fuse NO NO Is AC voltage at output of the 5 amp fuse NO YES Remove control ...

Page 10: ...l property damage severe personal injury or death Propane gas can cause an explosion Use caution when working with or near a propane gas system Do not smoke create sparks or use an open flame to check gas supply lines or gas connections To prevent gas leaks and damage to the gas supply lines and fittings use two wrenches when connecting or diconnecting gas fittings see Figure 1 on page 1 Use cauti...

Page 11: ...to 3 16 from the top of the burner Clean the burner and orifice see cleaning instr on page 16 Is the thermocouple tightened securely to the adapter at the combination control YES NO Clean thermocouple Is the input gas pressure within specifications NO YES Is the thermocouple free of foreign material NO Remove control cover YES Remove the screws from each end of the mounting bracket Pull mounting b...

Page 12: ... property damage severe personal injury or death Propane gas can cause an explosion Use caution when working with or near a propane gas system Do not smoke create sparks or use an open flame to check gas supply lines or gas connections To prevent gas leaks and damage to the gas supply lines and fittings use two wrenches when connecting or disconnecting gas fittings see Figure 1 on page 1 Use cauti...

Page 13: ...g bracket YES NO Is there an audible click heard while rapidly pressing the piezo igniter NO YES Replace the Piezo igniter and retry ignition Firmly attach Piezo to bracket and retry ignition Remove burner box cover YES Is the ignition wire cracked or does it have broken wire insulation YES NO Is the ignition wire secure to the Piezo igniter YES NO Secure wire to Piezo and retry ignition Replace i...

Page 14: ...heater leads Touch the remaining meter probe to the case of the heater ground If the meter reading fluctu ates replace the heater Combination Control Check Out Proce dures Figures 10 12 Control Panel Removal Procedure Figure 10 Remove the mode selection and thermostat knobs A Remove the five phillips head screws B Pull control panel away from the refrigerator Remove the two phillips head screws ho...

Page 15: ...trol panel and the control bracket mounting screws See Control Panel Removal Procedure Figure 10 on page 13 Use a 3 16 allen wrench to remove the pressure tap plug Using a 1 8 NPT nipple connect a U tube manometer to the exposed port Burner Assembly Figure 14 Remove the burner box to gain access to the burner Pull the cover slightly forward and slide it towards the gas valve Check the electrode po...

Page 16: ...f brush or fine emery cloth clean spiral baffle of debris 9 Clean the inside of the flue tube with a flue brush 10 Re install the spiral baffle Insure the baffle is securely in place The spiral baffle is required for efficient cooling while operating in the gas mode Cleaning the Burner and Burner Orifice 11 Remove the screws securing the burner cover and burner box to the refrigerator 12 Review th...

Page 17: ...the exposed port Remove capillary tube from cooling fins Place a cup of ice water on the shelf nearest the cooling fins and immerse the capillary tube into the ice water Adjust the thermostat setting from high to low The gas pressure should modulate between 8 to 10 9 water column and stop modulating when not adjust ing the thermostat If the gas pressure does not modulate between 8 inches to 10 9 i...

Page 18: ... beginning on page 19 Inputs Make certain that The input voltage is 120 VAC nominal 108 VAC minimum to 132 VAC maximum The input gas pressure is 11 inches water column Refrigeratant Leaks The cooling system must be replaced if A yellow powder or liquid is visible at the rear of the refrigerator An ammonia odor is detected in the refrigerator cabinet or at the rear of the refrigerator Bubbling or g...

Page 19: ...as leaks 5 Open both the freezer and refrigerator doors 6 Remove and retain the eight screws from the rear wall of the freezer 7 Remove and retain the four screws from the cool ing fins 8 Remove the two clips and detach the capillary tube from the cooling fins 9 Close both the freezer and refrigerator doors and proceed to the rear of the refrigerator 10 Remove the mounting screws securing the cool...

Page 20: ...he cooling unit The thermo couple should be pulled forward and away to allow clearance when removing the cooling unit 18 Remove the cooling unit from the cabinet Pull the cooling unit away from the cabinet with a steady pressure until it is free Installation of New Cooling Unit Figures 23 30 1 Inspect the replacement cooling unit for physical damage when removing from carton Remove any foam from t...

Page 21: ...ult in poor cooling performance 6 Apply the permagum sealant around the perimeter of the foam block on the cooling unit Note Omitting the permagum sealant will result in excessive frost accumulation or excessive moisture in the refrigerator s in terior and poor cooling performance 7 Apply remaining permagum sealant around the cooling unit opening of the refrigerator cabinet Evaporator Tube 1 2 Bea...

Page 22: ...the 5th fin from the right 12 Replace the cooling unit mounting screws in the area of absorber tubes Figure 30 13 Replace the cooling unit condenser mounting screw Figure 30 Insure the condenser slant is correct Refer to Condenser Leveling Tool Fig ure 31 on page 23 for method to insure the correct slant 14 Insert the orifice into the burner and install the burner to the cooling unit 15 Insert the...

Page 23: ... which very accurately conforms to the dimensions shown The thickness is not important 1 for example but the top and bottom surfaces must be smooth and straight Set or attach an accurate torpedo type level on the block as shown Check for level as follows Set the level assembly on a flat surface glass shelf so that the ends point to the sides of the refrigerator Most of the bubble must be to the A ...

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