Norcold 604M.3 Large RV Refrigerator Owner's Manual
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Norcold 604M.3 is a versatile refrigerator designed for outdoor enthusiasts and those seeking mobile refrigeration solutions. With its 3-way operation capability, it can run on LP gas, 240 volts AC, or 12 volts DC, making it suitable for camping, caravanning, and even marine use (outside deck only). The unit features a spacious 184L storage volume, adjustable shelves, crispers, and door bins for organized storage of food and beverages. Additionally, it has a temperature switch monitor for precise temperature control, ensuring your food stays fresh and well-preserved.
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Owner’s Manual
For Australian refrigerator model:
N604M.3 (184L (approx.) 3-way operation with LP gas, 240 volts AC, or 12 volts DC )
!
WARNING
Improper installation, adjustment, alteration, service or maintenance can cause personal injury or property damage. Refer to this manual. For assistance or additional information, contact a qualified installer, service agency, or the LP gas supplier.
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors and liquid in the vicinity of this or any other appliance.
FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. Don’t touch electrical switches.
3. Extinguish any open flame.
4. Immediately call your gas supplier.
!
WARNING
DO NOT install this refrigerator in below deck marine applications. Do not install this refrigerator in fixed indoor cabin or other dwelling applications. This refrigerator must use only Thetford designed and approved outside air intake and exhaust ventilation for correct and safe operation. Any other ventilation could cause lethal combustion exhaust fumes and/or explosive LP gas fumes to be in the living area and/ or to be below deck.
Thetford Australia
41 Lara Way
Campbellfield, VIC 3061
Thetford Customer Support
Telephone: (61) 03-9358-0700
Fax: (61) 03-9357-7060
Web Site: www.thetford.com.au
Part No. 636527D (02/04/2016)
Table of Contents
For defined warranty terms, please see the one page warranty statement included in the product information packet.
Safety Awareness .................................................................................................................................................................................2
Safety Instructions ................................................................................................................................................................................3
About Your Refrigerator ........................................................................................................................................................................4
Storage volume .............................................................................................................................................................................4
Leveling .........................................................................................................................................................................................4
Operation during travel ..................................................................................................................................................................4
Food compartment ........................................................................................................................................................................4
Crispers .........................................................................................................................................................................................4
Door bins .......................................................................................................................................................................................4
Adjustable shelves ........................................................................................................................................................................5
Freezer compartment ....................................................................................................................................................................5
Door handles .................................................................................................................................................................................5
Temperature switch monitor ..........................................................................................................................................................5
Operating the Refrigerator Controls .....................................................................................................................................................6
Control Panel.................................................................................................................................................................................6
Ignition - LP gas operation ............................................................................................................................................................7
Do a test of the LP gas safety valve ..............................................................................................................................................7
Start up - AC operation ..................................................................................................................................................................7
Start up - DC operation .................................................................................................................................................................7
Shut down .....................................................................................................................................................................................7
DC Operation Precautions ............................................................................................................................................................8
DC Operation Guidelines ..............................................................................................................................................................8
Effects of High Altitude on LP Gas Operation .......................................................................................................................................8
Effects of Freezing Temperatures on Refrigerator Operation ...............................................................................................................8
Refrigerator Care Checklist ..................................................................................................................................................................9
Defrosting .............................................................................................................................................................................................9
Cleaning .............................................................................................................................................................................................10
Drip tray .......................................................................................................................................................................................10
Door Sealing .......................................................................................................................................................................................10
Refrigerator Maintenance Checklist ................................................................................................................................................... 11
Refrigerator Storage ........................................................................................................................................................................... 11
Refrigerator Maintenance ...................................................................................................................................................................12
LP gas flame appearance ...........................................................................................................................................................12
Remove and clean the burner orifice ..........................................................................................................................................12
Remove the Refrigerator ....................................................................................................................................................................13
Reinstall the Refrigerator ....................................................................................................................................................................14
Replacement Parts .............................................................................................................................................................................14
Wiring Pictorial....................................................................................................................................................................................15
Wiring Diagram ...................................................................................................................................................................................16
Safety Awareness
Read this manual carefully and understand the contents before you use the refrigerator.
Be aware of possible safety hazards when you see the safety alert symbol on the refrigerator and in this manual. A signal word follows the safety alert symbol and identifies the danger of the hazard. Carefully read the descriptions of these signal words to fully know their meanings. They are for your safety.
!
!
WARNING
CAUTION
This signal word means a hazard, which if ignored, can cause dangerous personal injury, death, or much property damage.
This signal word means a hazard, which if ignored, can cause small personal injury or much property damage.
Owner’s Manual 2
Safety Instructions
!
WARNING
- The storage of flammable materials behind or around the refrigerator creates a fire hazard. Do not use the area behind the refrigerator to store anything, especially flammable materials (gasoline, cleaning supplies, etc.)
- Do not remove the round ground prong from the refrigerator AC power cord. Do not use a two prong adapter or extension cord on the AC power cord. If the AC power cord is damaged, it must be replaced by a qualified Recreational Vehicle dealer or an authorized Thetford Service Center in order to avoid a hazard.
- A circuit overload can result in an electrical fire if the wires and/or fuses are not the correct size. Either use the wire and fuse sizes as written in the “Installation Manual” or refer to your local codes for the correct wire and fuse sizes.
- Incorrect installation, adjustment, change to, or maintenance of this refrigerator can cause personal injury, property damage, or both. Have service and maintenance work done by your dealer or by a
Thetford authorized Service Center.
- Disconnect both the AC and DC power sources before doing any maintenance work on the refrigerator.
All service work on this refrigerator must be done by a qualified service technician.
- Do not bypass or change the refrigerator’s electrical components or features.
- This refrigerator is not intended for use by children or by infirm persons unless they have been sufficiently supervised by a responsible person to make sure that they can use the refrigerator safely.
- Young children should be supervised to make sure that they do not play with the refrigerator.
- When you discard an appliance, remove all doors to prevent accidental entrapment and suffocation.
- Do not spray liquids near electrical outlets, connections, or the refrigerator components. Many liquids are electrically conductive and can cause a shock hazard, electrical shorts, and in some cases fire.
- Do not use electrical appliances inside the food storage compartment of the refrigerator unless they are of the type recommended by the manufacturer.
- At regular intervals, make sure that the refrigerator flue the burner, the vent areas, and the ventilation air pathway between the vents are completely free from any flammable material or blockage. After a period of storage, it is especially important to check these areas for any flammable material or blockage caused by animals.
- The refrigerator cooling system is under pressure. Do not try to repair or to recharge a defective cooling system. The cooling system contains sodium chromate. The breathing of certain chromium compounds can cause cancer. The cooling system contents can cause severe skin and eye burns, and can ignite and burn with an intense flame. Do not bend, drop, weld, move, drill, puncture, or hit the cooling system.
- This refrigerator is not suitable for the proper storage of medications. Refer to the instructions included with the medications.
!
CAUTION
- The rear of the refrigerator has sharp edges and corners. To prevent cuts or abrasions when working on the refrigerator, be careful and wear cut resistant gloves.
Owner’s Manual 3
About Your Refrigerator
Storage Volume:
This refrigerator is made to store fresh and frozen foods and for making ice.
Gross capacity 184 L (approx.)
Leveling:
!
CAUTION
The refrigerator is made to operate within 3° off level side-to-side and 6° off level front-to-back (as looking at the front of the refrigerator). Operating it at more than these limits can cause damage to the cooling system and create a risk of personal injury or property damage. Make sure the vehicle is level before you operate the refrigerator.
Operation during travel:
While the refrigerator should be level when the vehicle is stopped, performance during travel is not usually effected. Do not operate the refrigerator on LP gas while travelling. This can reduce performance, cause an unstable flame, or extinguish the flame.
Food compartment:
Ignite or start up the refrigerator and let it cool for eight hours before loading with food. If the refrigerator does not start to cool down after about two hours, contact your dealer or an authorized Thetford Service Center.
For the best cooling performance:
- Let air move freely inside the entire food compartment.
- Do not cover the shelves with plastic, paper, etc.
To decrease the amount of ice that collects on the cooling fins:
- Cover all liquids and moist foods.
- Let all hot foods cool before putting them in the refrigerator.
- Do not open the door any longer than necessary.
Crisper(s):
The crisper(s) are located at the bottom of the fresh food compartment and supply a storage area to preserve fruit and vegetable freshness. Make sure that you always push the crispers fully in.
NOTICE
Do not wash the crispers in a dishwasher. The crispers are not dishwasher safe.
Door Bins:
You may put the door bins [52] of the fresh food compartment in a location that best meets your need (See Art01114). To remove the bins, lift them over the locator and pull them forward. To install the bins, push them onto the locator.
NOTICE
Do not wash the door bins in a dishwasher. The door bins are not dishwasher safe.
52
Art01114
Owner’s Manual 4
Adjustable shelves:
The shelves in the freezer and the fresh food compartment are made so you can remove them or move them.
To remove or move the shelf of the freezer:
- Pull the shelf forward out of the slot.
- Push it fully into the slot that you wish.
To remove or move each shelf of the fresh food compartment:
- Remove the screw from the retainer of each shelf at the rear of the refrigerator.
- Pull each shelf forward out of the slot.
- Push each shelf fully into the slot that you wish.
- Attach the retainer with the screw.
Freezer compartment:
The freezer compartment is made to keep pre-frozen food frozen and not to quick freeze food.
Keep pre-frozen foods in the freezer compartment.
NOTICE
Do not put other items on the ice tray while the water is freezing. The water freezes more rapidly if the thermostat is at the coldest temperature setting.
56
Door handles:
During travel, the door latch prevents the door from opening. When closing each door, push the door toward the refrigerator until you hear a “click” sound.
To open each door, pull the handle away from the refrigerator.
During storage, the storage latch prevents the door from completely closing. Use it to prevent odors when the refrigerator is stored for an extended period of time.
To operate the storage latch (see Art00991), open each door about 13 mm and push the storage latch [55] into the cutout [56] of the strike plate. Do not use the storage latch as a travel latch because the doors will not be fully closed.
Temperature switch monitor:
The refrigerator is equipped with a temperature switch [142] for overheating protection
(See Art01869). A Thetford authorized service technician can determine if this switch has been triggered.
Art01869
55
Art00991
142
Owner’s Manual 5
Operating the Refrigerator Controls
Control panel: (See Art02472)
Selector switch .................................................................. 207
AC thermostat ................................................................... 293
Flame meter ...................................................................... 217
Piezo lighter ...................................................................... 216
Cooling system fan switch (fan models only) .................... 252
Gas control........................................................................ 294
AC power indicator............................................................ 310
DC power indicator ............................................................311
Divider Heater Switch ....................................................... 253 207 293
The selector switch [207] changes the energy source of the refrigerator:
- LP gas ( ), AC electric ( ), DC electric ( ), and
OFF ( ).
The AC thermostat [293] controls the temperature setting when operating in AC electric mode:
310
311
217
216
252
253 294
ART 02472
The AC power indicator [310] shows that the refrigerator is operating in AC mode.
The DC power indicator [311] shows that the refrigerator is operating in DC mode.
The piezo igniter [216] makes a spark which ignites the flame in the burner.
The flame meter [217] shows if a flame is present in the burner.
The gas control [294] sets the temperature setting of the refrigerator when operating in the GAS mode. To change the temperature setting, push and turn the gas control to either the HI, MED, or the LO position. HI is the coldest temperature setting.
NOTICE
This is not an atomatic gas control. It does not change the flame from high fire to low fire as with other Recreational
Vehicle refrigerators. If the cooling load changes, you must manually change the gas control to maintain the same temperature inside the refrigerator.
The gas control has a gas safety valve built into it. As long as a flame is present, the safety valve is open and allows the LP gas to flow to the burner. Any loss of the flame (empty gas tank, blow out, etc.) closes the safety valve and stops the flow of LP gas.
The Divider heater switch [253] operates a heater that prevents moisture from forming on the center divider between the doors of the freezer and the fresh food compartment. The moisture reduction heater requires DC current to run. Before turning on the heater, make sure that the refrigerator is connected to DC power and that the vehicle battery has sufficient capacity. The current draw of the heater is 0.258A at 12V. The heater will not operate if the switch is turned off.
The cooling system ventilation switch [252] operates a fan on the rear of the refrigerator. Use this fan to improve the refrigerator cooling performance when the ambient temperature is above 38° C. The fan is controlled by a thermostat when the switch is on, so it will run only intermittently, when temperatures are high enough. The cooling system ventilation fan requires DC current to run. Before turning on the fan, make sure that the refrigerator is connected to DC power, and that the vehicle battery has sufficient capacity. Current draw when the fan is running is 0.430A at12V. The fan will not run if the switch is turned off, regardless of temperatures.
Owner’s Manual 6
When the outside air temperature is below 10°C, the refrigerator may have a tendency to freeze food at the colder temperature settings. To reduce the tendency to freeze food:
- Turn the gas control to LO position.
- Keep the refrigerator full.
- Put foods that are more likely to freeze on the lower shelf.
Ignition - LP gas operation:
1. Open the valve at the LP gas storage tank.
2. Turn the selector switch [207] to the LP gas position ( ).
3. Turn the gas control [294] to the HI position
4. Push and hold in the gas control [294]
5. Push in the piezo lighter [216] several times in rapid successions, for about five seconds:
!
WARNING
Do not hold in the gas control for more than 30 seconds. If there is no flame in this time, wait at least five minutes before you try ignition again. If you continue to hold in the gas control, LP gas will collect in the burner area. This could cause a fire or explosion and result in dangerous personal injury or death.
- When a flame is present and the flame meter [217] moves into the green area, wait about five seconds and release the gas control.
- If the flame meter does not move into the green area, do this step again.
6. Turn the gas control [294] to the desired temperature setting.
Do a test of the LP gas safety valve:
With an established flame while operating on LP gas:
1. Push and turn the gas control to the off position. ( )
2. After the flame is extinguished, you should hear a sharp “click” sound within 90 seconds.
NOTICE The LP gas safety valve should close with a sharp “click“ sound.
3. Push and turn the gas control to the HI position.
4. Without pushing in the gas control, push the igniter several times rapidly in succession. The burner flame should not ignite. This means that the LP gas safety valve is working correctly.
Start up - AC operation:
- Make sure that 240 volts AC is available.
- Turn the selector switch to the AC position ( ).
- Turn the thermostat to the desired temperature setting.
NOTICE Make sure that the AC thermostat is not set to the off postion. ( )
Start up - DC operation (3-way models only):
- Make sure that 12 volts DC is available.
- Turn the selector switch to the DC position ( ).
Shut down:
- Turn the selector switch to the OFF position ( ).
Owner’s Manual 7
DC operation precautions:
This refrigerator is made to operate on DC power while your vehicle is “in transit” and AC power or LP gas sources are not available.
Operate the refrigerator on DC power only when the vehicle engine is running.
For the refrigerator to operate correctly on DC power, the battery must be maintained in a fully charged condition.
For the battery to be fully charged at all times during refrigerator operation on DC, the vehicle engine must be running and the battery charging system must be in good operating condition.
Keep in mind the following electrical precautions for DC operation of the refrigerator:
- Good battery condition is necessary for correct DC operation.
- The capacity of the battery charging system must be more than what is necessary for the refrigerator and other DC appliances.
- While the vehicle engine is running, make sure the voltage of the DC power supply leads at the refrigerator is more than 11.5 VDC.
DC operation guidelines:
DC operation is intended only to maintain the temperature of the refrigerator and its contents when they are already cool.
The DC operation is not intended for the initial start up and cooling of the refrigerator. Always use either the AC operation or LP gas operation to initially start up and cool the refrigerator. The refrigerator must be cooled and the temperature must be steady before you operate the refrigerator on DC.
Keep in mind the following guidelines for DC operation of the refrigerator:
- Use DC operation of the refrigerator while the vehicle is in transit.
- Do not use DC operation until the refrigerator and its contents are completely cooled.
- Only use DC operation if the vehicle battery and battery charging system are in good operating condition.
Effects of High Altitude on LP Gas Operation
When you operate the refrigerator on LP gas at altitudes higher than 1.7 km above sea level:
- You may experience reduced cooling performance of the refrigerator.
- You may experience burner outages.
To avoid these possible problems, Thetford recommends that you operate the refrigerator on AC when at altitudes higher than 1.7 km above sea level.
Effects of Freezing Temperatures on Refrigerator Operation
A gas absorption refrigerator is not designed to operate in freezing temperatures. If the refrigerator is not equipped for low temperature operation, and if the cooling system of the refrigerator is exposed to temperatures of 0° C. or lower for an extended period of time, the refrigerator operation may be disrupted. The refrigerator operation will resume when the cooling system of the refrigerator warms sufficiently.
If the refrigerator is equipped for low temperature operation, the refrigerator will operate in temperatures down to -18° C.
Disrupted operation of the refrigerator, due to extended exposure to temperatures of 0° C. or lower, and any costs incurred to warm the cooling system of the refrigerator are not covered by the Norcold limited warranty. Please contact your local RV dealer for information about how to resume refrigerator operation or about how to equip your refrigerator for operation in freezing temperatures.
Do not change the installation or the venting of your refrigerator. Refrigerator failures, which are the result of changes to either the refrigerator installation or to the venting, are not covered by the Thetford limited warranty.
Owner’s Manual 8
Refrigerator Care Checklist
Your refrigerator will give you years of trouble free service if you do these simple checks every three to six months:
- Keep the food compartment and the freezer clean. See “Cleaning”.
- Defrost the refrigerator as necessary. See “Defrosting”.
- Make sure the door seals correctly. See “Door Sealing“.
- Be aware of any cooling changes that are not because of weather, loading, or gas control changes. If changes occur, contact your dealer or an authorized Thetford Service Center.
- When in LP gas operation, examine the appearance of the flame. See “LP Gas Flame Appearance”.
- Make sure the air flow in the lower intake vent, through the refrigerator condenser and coils and out the upper exhaust vent is not blocked or decreased.
- Make sure the area behind the refrigerator is clear. Do not use the area behind the refrigerator for storage of any materials or combustible materials, especially gasoline and other flammable vapors and liquids.
Defrosting
The cooling fins of the refrigerator operate at below freezing temperature and will naturally form frost from humidity, which is always present in the air. The humidity inside the refrigerator increases:
- with higher outside temperature and humidity.
- with the storage of non-sealed fresh foods or warm foods.
- with the amount of time that the door(s) are open.
- with any air leakage into the refrigerator.
It is normal for frost to collect inside the freezer. Excess frost decreases the cooling performance of the refrigerator. Defrost the refrigerator and freezer as necessary:
- Remove all food from the refrigerator.
- Turn the refrigerator OFF.
NOTICE Defrosting the refrigerator makes excess water inside the refrigerator.
- Remove the drain hose from the drip cup at the rear of the refrigerator.
- Put the drain hose into a two liter or larger container to capture water.
- Put dry towels (etc.) inside the refrigerator and freezer to absorb melted frost.
!
CAUTION
High temperatures can cause the inside surfaces of the refrigerator to warp or melt. Do not use pans of
HOT water, a hair dryer, or any other high temperature devices to defrost the refrigerator. Do not use any hard or sharp objects to remove frost. Damage to the interior of the refrigerator can occur.
- To increase the speed of defrosting, put pans of WARM water in the refrigerator and freezer.
- Remove the wet towels (etc.) and dry the interior.
- Remove the drain hose from the large container and put the drain hose back into the drip cup.
- Remove the large container from the enclosure.
- Start up the refrigerator.
- Allow the refrigerator to cool down.
- Return all food to the refrigerator.
Owner’s Manual 9
Cleaning
A good time to clean the refrigerator is just after you defrost it.
Clean the inside of the refrigerator as often as necessary to avoid food odors:
- Remove all food from the refrigerator.
NOTICE Do not use abrasive cleaners, chemicals, or scouring pads because they can damage the interior of the refrigerator.
- Wash the interior with a solution of liquid dish detergent and warm water.
- Rinse with a solution of baking soda and clean water.
- Dry with a clean cloth.
- Put all food in the refrigerator.
Drip tray:
To remove and clean the drip tray:
- Pull the shelf forward to remove from the refrigerator
- Make sure that the drip tray is empty of water.
- Pull the drip tray out of the drain hose.
- Pull the drip tray forward to remove from the slots in the refrigerator cabinet.
- Clean the drip tray.
- Push the drip tray back into the slots in the refrigerator cabinet.
- Push the drip tray back into the drain hose.
- Put the wire shelf back in the original position.
Door Sealing
Check the seal of the doors.
If either door does not seal correctly, excess frost will collect inside the refrigerator. Make sure the doors seal correctly (See Art00980):
- Close each door on a piece of paper that is about the size and thickness of a dollar bill.
- Gently pull the paper.
- You should feel a slight drag between the gasket and the cabinet.
- Do this on all four sides of the door.
- If you do not feel a slight drag on the paper, the door does not seal correctly.
- Have your dealer or an authorized Thetford Service Center correct the seal of the door.
Art00980
Owner’s Manual 10
Refrigerator Maintenance Checklist
Read and understand the following maintenance sections of this manual.
NOTICE
Thetford is not responsible for installation, adjustment, alteration, service, or maintenance performed by anyone other than a qualified RV dealer or an authorized Thetford Service Center.
Have a qualified RV dealer or an authorized Thetford Service Center do these annual safety and maintenance checks:
- Examine the LP gas supply lines for leaks.
- Replace or repair if necessary.
77 80 79
- Make sure the LP gas pressure is 2.7 kPa.
- Adjust if necessary.
- Make sure the combustion seal is complete and intact.
- Replace or repair it if necessary.
- Make sure the burner and the burner orifice are clean (See Art00956).
- Clean if necessary.
- Make sure the electrode spark gap [167] is 3-5 mm (See Art00955).
- Adjust if necessary.
- Make sure the AC voltage is 216 - 264 VAC and the DC voltage is 11.7 - 15.4 VDC.
- Make sure the thermocouple tip is clean and secure.
- Make sure the area at the rear of the refrigerator is free of any combustible materials, gasoline, and other flammable vapors and liquids.
Art00955
78
Art 00956
76
75
167
Refrigerator Storage
Before the refrigerator is stored for an extended (seasonal) period of time:
- Defrost and clean the interior of the refrigerator.
- Close the doors with the storage latch.
If the refrigerator is stored for an extended period of time, before start up:
- Make sure there are no obstructions in the vents, the ventilation air pathway, the burner, the orifice, or the flue area.
Owner’s Manual 11
Refrigerator Maintenance
LP Gas flame appearance:
While operating in LP gas mode, examine the appearance of the LP gas flame:
- Push and turn the gas control to the “HI” position.
- Open the lower intake vent.
!
CAUTION
The burner box cover can be hot. Wear gloves to avoid burns.
- Open the burner box door [165] and look at the LP gas flame [75] (See Art00955 and
Art02513).
- The flame should be:
- a darker blue color on the inside of the flame and a lighter blue color on the outside of the flame.
- a constant shape without flickering.
- Contact your dealer or Thetford authorized service center if the flame is:
- yellow
- flickering or changing shape.
- Make sure the flame does not touch the inside of the flue tube [76].
- If the flame touches the inside of the flue tube, contact your dealer or an authorized Thetford Service Center.
- Close the burner box door.
Art00955
76
75
167
Remove and clean the burner orifice:
NOTICE Your dealer or an authorized Thetford Service Center must do this procedure.
To remove and clean the burner orifice:
- Close the valve at the LP gas tank(s).
- Push and turn the gas control to the off ( ) position.
- Turn the selector switch to the off ( ) position.
218
ART 02513
165
- Open the lower intake vent.
!
CAUTION
The burner box cover can be hot. Wear gloves to avoid burns.
- Remove the burner box cover by removing one screw.
!
WARNING
To avoid possible LP gas leaks, always use two wrenches to loosen and tighten the LP gas supply line at the refrigerator’s manual shut off valve.
- Remove the flare nut from the orifice assembly [77] (See Art00956).
Owner’s Manual 12
- Remove the orifice assembly from the burner [78].
!
WARNING
Do not try to remove the orifice [79] from the orifice adapter [80] when cleaning. Removal will damage the orifice and seal of the orifice and can cause a LP gas leak. Leaking LP gas can ignite or explode which can result in dangerous personal injury or death. Do not clean the orifice with a pin or other objects. (See Art00956)
77 80 79 78
- Clean the orifice assembly with air pressure and alcohol only.
- Using a wrench, assemble the orifice assembly to the burner.
- Assemble the flare nut to the orifice assembly.
- Tighten the flare nut by hand.
- Hold the orifice assembly securely and, using a wrench, tighten the flare nut 1/4 revolution only.
- Examine all of the connections for gas leaks.
Art 00956
Remove the Refrigerator
NOTICE
Your dealer or an authorized Thetford Service Center must do this procedure.
!
CAUTION
The rear of the refrigerator has sharp edges and corners. To prevent cuts or abrasions when working on the refrigerator, be careful and wear cut resistant gloves.
1. Close the valve at the LP gas tank(s).
!
WARNING
To avoid possible LP gas leaks, always use two wrenches to loosen and tighten the LP gas supply line at the refrigerator’s manual shut off valve.
2. Open the lower intake vent and remove the LP gas supply line from the 3/8 inch male flare fitting of the refrigerator.
3. Remove the AC power cord from the power point.
4. Remove the DC wiring from the refrigerator:
- Remove the DC wiring from the battery or the converter of the vehicle.
- Put a mark on the DC wires so you can put them back in the correct location.
- Remove the DC wires from the refrigerator.
5. Remove the screws from the mounting flange at the rear of the refrigerator.
6. Remove the top trim by gasping firmly and pulling to disengage the metal mounting clips.
7. Remove the screws from the upper and lower mounting flanges on the front of the refrigerator.
8. Remove the refrigerator from the opening.
Owner’s Manual 13
Reinstall the Refrigerator
NOTICE
!
Your dealer or an authorized Thetford Service Center must do this procedure.
WARNING
Make sure the combustion seal [29] is not broken, is completely around the refrigerator mounting flanges, and is between the mounting flanges and the wall of the enclosure
(See Art02510). If the combustion seal is not complete, exhaust fumes can be present in the living area of the vehicle.
The breathing of exhaust fumes can cause dizziness, nausea, and in extreme cases, death.
1. Push the refrigerator completely into the enclosure.
2. Put the screws though the upper and lower mounting flanges at the front of the refrigerator.
!
CAUTION
The rear of the refrigerator has sharp edges and corners. To prevent cuts or abrasions when working on the refrigerator, be careful and wear cut resistant gloves.
4. Open the lower intake vent and put the screws through the mounting flange at the rear of the refrigerator and into the floor.
29
40
28
!
WARNING
To avoid possible LP gas leaks, always use two wrenches to loosen and tighten the LP gas supply line at the refrigerator’s manual shut off valve.
5. Attach the LP gas supply line to the 3/8 inch male flare fitting of the refrigerator.
ART 02510
6. Open the valve at the LP gas tank(s).
!
WARNING
Do not allow the leak checking solution to touch the electrical components. Many liquids are electrically conductive and can cause a shock hazard,electrical shorts, and in some cases fire.
7. Examine the LP gas supply line for leaks.
8. Connect the DC wiring to the refrigerator:
- Install the DC fuse or connect the DC wiring to the battery or the converter.
- Connect the DC wires from the refrigerator.
9. Connect the AC power cord to the receptacle.
Replacement Parts
You may purchase replacement parts through your local RV dealer or an authorized Thetford Service Center.
Owner’s Manual 14
Wiring Pictorial
N L
Spark
Yellow
Temperature Mode Selector Switch
Temperature
Thermocouple - To Burner
Flame
Meter
3
2
1
Fan
Switch
Piezo
3
2
1
Divider
Heater
Switch
Ignitor - to burner
Red
White/Black Gray
White
White/Black
Yellow/Green
Blue
Red
Red
Blue
Blue
Brown
3
4
Yellow/Green
White/Red
Tan
Tan
Tan 1a
1b
3a
3b
Red
2b
2a
4b
4a
Red/White
Yellow/Green
White/Red
Brown
Blue
White
Black
Red
Black
White/Black
Black
B1
B2
C1
C2
B3
B4
C3
C4
B5
B6
B7
B8
C5
C6
C7
C8
White/Red
Brown
Blue
White
White/Black
Red
Black
Red/White
Fan Thermostat
Red
Top of Refrigerator
Fan
Blue
Black Black
White
Black
White/Black
Blue
Divider Heater
Brown
Red 87
85
86
30A
K1
30
3A Fuse
AC
Heater
3A
3A
3A Fuse
DC
Auxiliary
Yellow
Blue Black
Yellow
DC HEATER
AC HEATER
AC
Power
Cord
Chassis
Ground
Yellow/Green
Brown
Yellow
Black
Blue
Blue
White/Red
White/Black
Yellow/Green
Black
Red
White/Black
White/Red
Ignitor
Thermocouple
High Temp
Limit Switch
Burner
636536 N604M Wiring
Pictorial and Schematic
REV B
Dashed lines = Foamed In
Back of Refrigerator
A copy of the wiring pictorial / diagram is in a clear plastic bag on the rear of the refrigerator.
Get access to the rear of the refrigerator through the lower intake vent.
Owner’s Manual 15
Wiring Diagram
240VAC L
3-Amp
+12Vdc_In LC+
3-Amp
+12Vdc_In HC+
B-2 C-2
B-6 C-6
Meter
1b 1a
T-Stat t°
AC Light
C-7 B-7
High Temp
Limit Switch t°
C-3 B-3
AC Heater
DC Light
4a
4b
C-1 B-1
Lighted Divider Heater Switch
85
K1
86
3 2 1 C-5 B-5
C-4 B-4
3 2 1
Lighted Fan Switch
Divider
Heater
3b
3a
Splice 2
Splice 1
T-Stat t°
2a
2b
30
30-Amp
K1
87
DC Heater
Safety Valve
636536 Wiring Pictorial and Schematic
REV B
N
LC-
HC-
Fan
240VAC
12Vdc_Ground
12Vdc_Ground
Thermocouple
Interrupter
Owner’s Manual 16
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Table of contents
- 2 Safety Awareness
- 3 Safety Instructions
- 4 About Your Refrigerator
- 4 Storage volume
- 4 Leveling
- 4 Operation during travel
- 4 Food compartment
- 4 Crispers
- 4 Door bins
- 5 Adjustable shelves
- 5 Freezer compartment
- 5 Door handles
- 5 Temperature switch monitor
- 6 Operating the Refrigerator Controls
- 6 Control Panel
- 7 Ignition - LP gas operation
- 7 Do a test of the LP gas safety valve
- 7 Start up - AC operation
- 7 Start up - DC operation
- 7 Shut down
- 8 DC Operation Precautions
- 8 DC Operation Guidelines
- 8 Effects of High Altitude on LP Gas Operation
- 8 Effects of Freezing Temperatures on Refrigerator Operation
- 9 Refrigerator Care Checklist
- 9 Defrosting
- 10 Cleaning
- 10 Drip tray
- 10 Door Sealing
- 11 Refrigerator Maintenance Checklist
- 11 Refrigerator Storage
- 12 Refrigerator Maintenance
- 12 LP gas flame appearance
- 12 Remove and clean the burner orifice
- 13 Remove the Refrigerator
- 14 Reinstall the Refrigerator
- 14 Replacement Parts
- 15 Wiring Pictorial
- 16 Wiring Diagram