Thetford N304M.3, N404M.3, N504M.3 Owner's Manual
Owner’s Manual
For Australian refrigerator models:
N304M.3 (93 liter 3-way operation with LP gas, 240 volts AC, or 12 volts DC )
N404M.3 (128 liter 3-way operation with LP gas, 240 volts AC, or 12 volts DC )
N504M.3 (164 liter 3-way operation with LP gas, 240 volts AC, or 12 volts DC )
!
WARNING
can cause personal injury or property damage. Refer to this manual.
For assistance or additional information, contact a qualied installer,
service agency, or the LP gas supplier.
FOR YOUR SAFETY
Do not store or use gasoline or other ammable 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 ame.
4. Immediately call your gas supplier.
Improper installation, adjustment, alteration, service or maintenance
Thetford Australia
41 Lara Way
Campbelleld, VIC 3061
Thetford Customer Support
Telephone: (61) 03-9358-0700
Fax: (61) 03-9357-7060
Web Site: www.thetford.com.au
Part No. 636525D (10/16/2014)
Table of Contents
For dened 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
Food compartment ............................................................................................................................................................................4
Flip-up shelf .......................................................................................................................................................................................4
Door bins ...........................................................................................................................................................................................4
Freezer compartment ........................................................................................................................................................................4
Operation during travel ......................................................................................................................................................................5
Door latch for travel and storage ....................................................................................................................................................... 5
Operating the Refrigerator Controls .........................................................................................................................................................5
Control Panel.....................................................................................................................................................................................5
Ignition - LP gas operation ................................................................................................................................................................6
Do a test of the LP gas safety valve ..................................................................................................................................................6
Start up - AC operation ......................................................................................................................................................................6
Start up - DC operation .....................................................................................................................................................................6
Shut down .........................................................................................................................................................................................6
DC Operation Precautions........................................................................................................................................................................7
DC Operation Guidelines..........................................................................................................................................................................7
Effects of High Altitude on LP Gas Operation ........................................................................................................................................... 7
Effects of Freezing Temperatures on Refrigerator Operation ...................................................................................................................7
Refrigerator Care Checklist ......................................................................................................................................................................8
Defrosting .................................................................................................................................................................................................8
Cleaning ...................................................................................................................................................................................................9
Drip tray .............................................................................................................................................................................................9
Door Sealing .............................................................................................................................................................................................9
Refrigerator Maintenance Checklist .......................................................................................................................................................10
Refrigerator Storage ...............................................................................................................................................................................10
Refrigerator Maintenance ....................................................................................................................................................................... 11
LP Gas ame appearance ............................................................................................................................................................... 11
Remove and clean the burner orice .............................................................................................................................................. 11
Remove the Refrigerator ........................................................................................................................................................................12
Reinstall the Refrigerator ........................................................................................................................................................................13
Replacement Parts .................................................................................................................................................................................13
Wiring Pictorial........................................................................................................................................................................................14
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 identies 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
Owner’s Manual 2
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.
Safety Instructions
!
WARNING
- The storage of ammable materials behind or around the refrigerator creates a re hazard. Do not use
the area behind the refrigerator to store anything, especially ammable 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 qualied Recreational Vehicle dealer or an authorized Thetford Service Center in order to avoid a
hazard.
- A circuit overload can result in an electrical re 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 qualied 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 inrm persons unless they have been
sufciently 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.
!
CAUTION
- 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 re.
- 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 ue the burner, the vent areas, and the ventilation air
pathway between the vents are completely free from any ammable material or blockage. After a period
of storage, it is especially important to check these areas for any ammable 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 ame. Do not bend, drop, weld, move, drill, puncture, or hit the cooling system.
- 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.
N304M N404M N504M
Total capacity 93 L 128 L 164 L
Freezer capacity 11 L 20 L 20 L
Food compartment capacity 82 L 108 L 144 L
Leveling:
The refrigerator is made to operate within 3° off level side-to-side and 6° off level front-to-back (as looking
!
CAUTION
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 ame, or extinguish the ame.
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.
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.
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 ns:
- 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.
Flip-up shelf (N404M / N504M):
The ip-up shelf supplies a space to store tall bottles. To use the ip-up shelf, lift the center of
the shelf and fold it up against the inside wall of the refrigerator.
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.
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.
52
Art01114
NOTICE
Owner’s Manual 4
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.
Door latch for travel and storage:
During travel, the door latch prevents the door from opening. There are no chains,
slides, or any devices that you must engage.
During storage, the door latch prevents the door from completely closing. Use it to
prevent odors when the refrigerator is shut down for a long period of time.
161
162
To use the door latch for storage (See Art00979):
- Open the door just so the door latch [161] is between the ribs [166] of the latch
plate [162].
Operating the Refrigerator Controls
Control panel: (See Art02457)
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
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:
The AC power indicator [310] shows that the refrigerator is operating in AC mode.
207
ART 02457
293
166
310
217
311
216
Art00979
252
294
The DC power indicator [311] shows that the refrigerator is operating in DC mode.
The piezo igniter [216] makes a spark which ignites the ame in the burner.
The ame meter [217] shows if a ame 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.
This is not an atomatic gas control. It does not change the ame from high re to low re as with other Recreational
NOTICE
The gas control has a gas safety valve built into it. As long as a ame is present, the safety valve is open and allows the LP gas to ow
to the burner. Any loss of the ame (empty gas tank, blow out, etc.) closes the safety valve and stops the ow of LP gas.
The cooling system fan switch [252] operates a fan on the rear of the refrigerator (fan models only). This fan is 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 and only operates intermittently, when the temperatures is above 38°C. Before turning on the fan make sure that the refrigerator
is connected to DC power and that the vehicle battery has sufcient capacity. The current draw when the fan is operating is 0.24A at
12VDC. The fan will not run if the cooling system fan switch is turned off, regardless of temperatures.
Vehicle refrigerators. If the cooling load changes, you must manually change the gas control to maintain the same
temperature inside the refrigerator.
Owner’s Manual 5
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