Norcold N305X, N306X Owner's Manual
Owner’s Manual
For models N305X, N306X - a 2.7 cu. ft., 2-way or 3-way, refrigerator.
The models numbers of 3-way refrigerators contain “.3”. The model numbers of 2-way
refrigerators do not.
The letter “X” in the model number above, stands for a letter or a numeral which means a
refrigerator option.
!
WARNING
FIRE OR EXPLOSION HAZARD
If you smell gas:
1. Open Windows
2. Do not attempt to light appliance.
3. Do not touch electrical switches.
4. Extinguish any open ame
5. Shut off fuel supply.
6. Evacuate immediately and call emergency services.
Failure to follow these instructions could result in re or explosion, which could cause
property damage, personal injury, or death.
!
WARNING
Improper installation, adjustment, alteration, service or maintenance can
cause injury or property damage. Refer to this manual. For assistance
or additional information, contact a qualied installer, service agency, or
the gas supplier.
FOR YOUR SAFETY
Do not store or use gasoline or other ammable vapors and liquid in the
NORCOLD, Inc.
P.O. Box 4248
Sidney, OH 45365-4248
vicinity of this or any other appliance.
English
Norcold Customer Support Dept.
Telephone: 800-543-1219
Fax: 734-769-2332
Web Site: www.norcold.com
Part No. 636523B(10/16/14)
Table of Contents
For dened warranty terms, please see the one page warranty statement included in the product information packet.
Safety Awareness .....................................................................................................................................................................................2
Safety Instuctions .....................................................................................................................................................................................3
About Your Refrigerator ............................................................................................................................................................................3
Storage volume .................................................................................................................................................................................3
Leveling .............................................................................................................................................................................................3
Operation during travel ......................................................................................................................................................................4
Food compartment ............................................................................................................................................................................4
Freezer compartment ........................................................................................................................................................................4
Door latch for travel and storage ....................................................................................................................................................... 4
Operating Refrigerator Comtrol ................................................................................................................................................................4
Control Panel.....................................................................................................................................................................................4
Ignition - propane gas operation........................................................................................................................................................5
Do a test of the gas safety valve .......................................................................................................................................................5
Start up - AC operation ......................................................................................................................................................................6
Start up - DC operation (3-way models only) ....................................................................................................................................6
Shut down .........................................................................................................................................................................................6
DC operation precautions..................................................................................................................................................................6
DC operation guidelines ....................................................................................................................................................................6
Effects of High Altitude on Propane Gas Operation .................................................................................................................................6
Effects of Freezing Temperatures on Refrigerator Operation ...................................................................................................................7
Refrigerator Care Checklist ......................................................................................................................................................................7
Defrosting .................................................................................................................................................................................................7
Cleaning ...................................................................................................................................................................................................8
Drip tray .............................................................................................................................................................................................8
Door Sealing .............................................................................................................................................................................................8
Refrigerator Maintenance Checklist .........................................................................................................................................................9
Refrigerator Storage .................................................................................................................................................................................9
Refrigerator Maintrenance ......................................................................................................................................................................10
Gas ame appearance ....................................................................................................................................................................10
Remove and clean the burner orice ..............................................................................................................................................10
Remove the Refrigerator ........................................................................................................................................................................ 11
Reinstall the Refrigerator ........................................................................................................................................................................12
Replacement Parts .................................................................................................................................................................................12
Wiring Pictorial........................................................................................................................................................................................13
Wiring Diagram .......................................................................................................................................................................................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.
- 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 writtten in the “Installation Manual” or refer to your local codes or the applicable RVIA Standards
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 an Norcold 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.
- 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 re.
- 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.
- 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.
!
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.
About Your Refrigerator
Storage Volume:
This refrigerator is made to store fresh and frozen foods and for making ice.
Total capacity ..................................................... 2.7 cubic feet
Freezer capacity ................................................... .4 cubic feet
Food compartment capacity................................ 2.3 cubic feet
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.
Owner’s Manual 3
Operation during travel:
While the refrigerator should be level when the vehicle is stopped, performance during travel is not usually effected.
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 a Norcold authorized 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 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.
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.
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.
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 Art02473)
Selector switch .................................................................. 207
AC thermostat ................................................................... 293
Flame meter ...................................................................... 217
Piezo lighter ...................................................................... 216
Gas control........................................................................ 294
AC power indicator............................................................ 310
DC power indicator (3-way model only) .............................311
he selector switch [207] changes the energy source of the
refrigerator:
- LP gas ( ), AC electric ( ), DC electric ( ), and
OFF ( ).
207
ART 02473
293
166
310
161
217
311
162
216
Art00979
294
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.
The DC power indicator [311] shows that the refrigerator is operating in DC mode. (3-way models only)
Owner’s Manual 4
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.
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.
When the outside air temperature is below 50°F, 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.
This is not an automatic gas control. It does not change the ame from high re to low re as with other RV
refrigerators. If the cooling load changes, you must manually change the gas control to maintain the same
temperature inside the refrigerator.
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 ve seconds:
!
WARNING
Do not hold in the gas control for more than 30 seconds. If there is no ame in this time, wait at least ve
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 re or explosion and result in dangerous personal injury or death.
- When a ame is present and the ame meter [217] moves into the green area, wait about ve seconds and release the gas control.
- If the ame 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 ame while operating on LP gas:
1. Push and turn the gas control to the off position. ( )
2. After the ame is extinguished, you should hear a sharp “click” sound within 90 seconds.
NOTICE
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 ame should not ignite. This
means that the LP gas safety valve is working correctly.
The LP gas safety valve should close with a sharp “click“ sound.
Owner’s Manual 5
Start up - AC operation:
- Make sure that 120 volts AC is available.
- Turn the selector switch to the AC position ( ).
- Turn the AC thermostat [293] to the desired temperature setting.
NOTICE
Make sure that the AC thermostat [293] 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 ( ).
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 Propane Gas Operation
When you operate the refrigerator on propane gas at altitudes higher than 5500 feet above sea level:
- You may experience reduced cooling performance of the refrigerator.
- You may experience burner outages.
To avoid these possible problems, Norcold recommends that you operate the refrigerator on AC when at altitudes higher than 5500 feet
above sea level.
Owner’s Manual 6
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 32° F. 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
sufciently.
If the refrigerator is equipped for low temperature operation, the refrigerator will operate in temperatures down to 0° F.
Disrupted operation of the refrigerator, due to extended exposure to temperatures of 32° F. 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 Norcold limited warranty.
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 thermostat changes. If changes occur, contact your
dealer or service center.
- Make sure the gas supply is propane gas only and is not butane or a butane mixture.
Defrosting
The cooling ns 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 refrigerator. Excess frost decreases the cooling performance of the refrigerator. Defrost the
refrigerator as necessary:
- Remove all food from the refrigerator.
- Turn the refrigerator OFF.
NOTICE
- Put dry towels (etc.) inside the refrigerator to absorb melted frost.
Defrosting the refrigerator makes excess water inside the refrigerator.
Owner’s Manual 7
!
CAUTION
- To increase the speed of defrosting, put pans of WARM water in the refrigerator.
- Remove the wet towels (etc.) and dry the interior.
- Start up the refrigerator.
- Allow the refrigerator to cool down.
- Return all food to the refrigerator.
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.
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
- Wash the interior with a solution of liquid dish detergent and warm water.
Do not use abrasive cleaners, chemicals, or scouring pads because they can damage the interior of the refrigerator.
Drip tray:
To remove and clean the drip tray:
- Make sure that the drip tray is empty of water.
- 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 original position.
Door Sealing
If the door does not seal correctly, excess frost will collect inside the refrigerator. Make sure the
door seals correctly:
- Close the door on a piece of paper that is about the size of a dollar bill (See Art00980).
- 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 is not sealing correctly:
- Make sure the screws of the hinges are tight.
- Make sure the door gasket does not touch the door latch:
Owner’s Manual 8
Art00980
- If the door gasket touches the door latch, loosen the screws of the door latch.
- Raise the door latch just so it does not touch and tighten the screws of the door latch.
- Make sure the door latch holds the door closed.
Refrigerator Maintenance Checklist
Read and understand the following maintenance sections of this manual.
NOTICE
Have a qualied RV dealer or a Norcold authorized service center do these annual safety and maintenance checks:
- Examine the gas supply lines for leaks.
- Replace or repair if necessary.
- Make sure the propane gas pressure is 11 inches of water column.
- 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 orice are clean (See Art00956).
- Clean if necessary.
- Make sure the electrode spark gap [167] is 1/8 - 3/16 inch (See Art00955).
- Adjust if necessary.
- Make sure the AC voltage is 108 - 132 volts and the DC voltage is 10.5 - 15.4 volts.
- 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 ammable vapors and liquids.
Norcold is not responsible for installation, adjustment, alteration, service, or maintenance performed by anyone other
than a qualied RV dealer or a Norcold authorized service center.
80
77
Art00955
79
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 orice, or the ue area.
Owner’s Manual 9
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