Norcold N41X, N51X Owner's Manual
Owner’s Manual
!
For N41X models - 4.5 cu. ft., 2-way or 3-way, refrigerators.
For N51X models - 5.5 cu. ft., 2-way or 3-way, refrigerators.
The model numbers of 3-way refrigerators include “.3”. The model numbers of 2-way
models do not.
The letter “X” in the model number above, stands for a letter or a numeral which means a
refrigerator option.
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
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
vicinity of this or any other appliance.
FOR YOUR SAFETY
NORCOLD, Inc.
P.O. Box 4248
Sidney, OH 45365-4248
If you smell gas:
1. Open windows.
2. Don’t touch electrical switches.
3. Extinguish any open ame.
4. Immediately call your gas supplier.
English
Norcold Customer Support Dept.
Telephone: 800-543-1219
Fax: 937-497-3183
Web Site: www.norcold.com
Part No. 632219A (11-07)
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 .........................................................................2
About Your Refrigerator ................................................................3
Storage volume .....................................................................
Leveling .................................................................................
Food compartment ................................................................
Flip-up shelf ...........................................................................
Door bins ...............................................................................
Freezer compartment ............................................................
Operation during travel ..........................................................
Door latch for travel and storage ...........................................
Temperature control system ..................................................
Operating the Refrigerator Controls .............................................4
Control Panel
Automatic mode operation ....................................................4
Removing the air from the propane gas supply lines ............
Set the controls to automatic mode operation .......................
Set the controls to manual mode operation
Cooling unit sensing ..............................................................
Backup operating system ......................................................
DC Operation Precautions (3-way models only) ..........................6
DC Operation Guidelines (3-way models only) ............................7
Effects of High Altitude on Propane Gas Operation .....................7
Refrigerator Care Checklist ..........................................................7
Defrosting .....................................................................................7
Cleaning .......................................................................................8
Drip tray .......................................................................................
Door Sealing ................................................................................. 8
Refrigerator Maintenance Checklist .............................................8
Refrigerator Storage .....................................................................9
Refrigerator Maintenance .............................................................9
Gas ame appearance ..........................................................
Remove and clean the burner orice ....................................
Remove the Refrigerator ............................................................10
Reinstall the Refrigerator ............................................................ 10
Replacement Parts ..................................................................... 11
Wiring Diagram and Pictorial ...................................................... 11
Fault Codes ................................................................................12
.........................................................................4
...........................5
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.
3
3
3
3
3
3
3
3
4
4
5
6
6
8
9
9
WARNING: This signal word means a hazard, which if
ignored, can cause dangerous personal injury, death, or
much property damage.
CAUTION: 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.
Owner’s Manual 2
- 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:
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:
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.
NOTE: Do not wash the door bins in a dishwasher. The door
bins are not dishwasher safe.
This refrigerator is made to store fresh and frozen foods and for
making ice.
N41X N51X
Total capacity 4.50 cubic feet 5.50 cubic
feet
Freezer capacity .81 cubic feet .81 cubic
feet
Food compartment capacity 3.69 cubic feet 4.69 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.
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 an authorized
Norcold Service Center.
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.
NOTE: 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].
Owner’s Manual 3
Temperature control system:
Art01562
AC
LP GAS
AUTO
DC
1-COLD 9-COLDEST TEMP SET MODE ON/OFF
30
33
31
32
35
36
164
34
Although the refrigerator is not frost -free, it is made to limit frost
on the cooling ns. At regular intervals, the temperature control
system automatically melts most of the frost from the cooling
ns. The water from the cooling ns drains into a collection cup
that is attached to the back of the refrigerator. The heat of the
cooling system evaporates the water from the collection cup.
- The temperature setting shows for ten seconds and then
the current operation mode of the refrigerator shows.
- The number “9” is the coldest temperature setting.
The MODE button [31] controls the operation mode of the
refrigerator.
- Push and hold the MODE button and a light bar shows in the
center display beside each of the four operating modes of
the refrigerator, one at a time.
Operating the Refrigerator Controls
Control panel:
The refrigerator control panel (see Art01562) is above the
refrigerator door. A 12 volt DC power supply is necessary for the
control functions of the refrigerator to operate. The refrigerator
receives DC power from the 12 volt system of the vehicle; either
an auxiliary battery, a converter, or the vehicle engine battery.
The ON / OFF button [30] starts and shuts down the refrigerator:
- To turn on the refrigerator, push and release the ON / OFF
button.
- To turn off the refrigerator, push the ON / OFF button for one
second and then release.
The TEMP SET button [32] controls the temperature adjustment
of the freezer and the fresh food compartment. The temperature
adjustment that you select does not change if the mode of
operation of the refrigerator changes.
- Push the TEMP SET button and the temperature setting “1-9”
appears in the center display [33].
- There is one automatic mode of operation and two
manual modes of operation.
NOTE: On 3-way models only, there are three manual
modes of operation.
- When the light bar shows beside the mode of operation
that you choose, release the MODE button to operate
the refrigerator in that mode.
Automatic mode operation:
When the refrigerator is in AUTO mode, it automatically uses
the most efcient energy source that is available for operation.
During operation, if a more efcient energy source becomes
available, the refrigerator controls change from the current
energy source to the more efcient energy source as follows:
- The rst choice is AC operation if 120 volts AC is available to
the refrigerator.
- The second choice is propane gas operation if 120 volts AC
is not available to the refrigerator.
- The third choice is DC operation (3-way models only) if
neither 120 volts AC nor propane gas is available to the
refrigerator.
Removing air from the propane gas supply lines:
For safety reasons, the burner is made to ignite on propane gas
within a specied amount of time. When starting the refrigerator
for the rst time, after storage, or after replacing propane gas
tank, the propane gas supply lines can have air in them. Due
to the air in the gas supply lines, the burner may not ignite on
propane gas within the specied amount of time.
To remove the air from the propane gas supply lines:
- Make sure that all of the gas valves are open.
- Push the ON / OFF button to turn the refrigerator on.
Owner’s Manual 4
- Push and hold the TEMP SET button and the temperature
setting changes.
- When the desired temperature setting shows, release
the TEMP SET button.
- Push and hold the MODE button until the light bar beside LP
GAS [36] shows.
- This means that the refrigerator is operating on propane
gas.
- If the air in the propane gas supply lines prevents the
burner from ignition on propane gas, the fault code “F”
will appear in the center display.
- Push and hold the ON / OFF button for one second and
then release to turn the refrigerator off.
- On 2 way models only, if neither 120 volts AC nor propane
gas is available to the refrigerator:
- Push the On / Off button to turn the refrigeratro on.
- The refrigerator will start a 30 second trial for ignition.
- During the 30 second trial for ignition, the
refrigerator controls open the gas safety valve and
the igniter sparks.
- After 30 seconds, the refrigerator controls closes the
gas safety valve and the igniter stops sparking.
- When the light bar beside the LP GAS shows and no fault
code remains, this means that the refrigerator is operating
on propane gas.
- At this time, all of the air is removed from the propane
gas supply lines and you may select AUTO mode of
operation if you wish.
- Depending on how much air may be in the propane gas
supply lines, you may need to repeat the 30 second trial for
ignition two or three times.
- If the burner does not ignite on propane gas after two or
three attempts, stop and consult your local dealer or an
authorized Norcold Service Center.
Set the controls to automatic mode operation:
- The fault codes “F” and then “A” show in the center
display.
- On 3-way models only, if neither 120 volts AC nor propane
gas is available to the refrigerator:
- The refrigerator control will automatically change to DC
electric operation.
NOTE: DC electric operation is less efcient than AC
electric and propane gas. Use DC electric
operation only to maintain the refrigerator
temperature while in transit and if the other
energy sources are not available. Do not use DC
electric to initially decrease the temperature of
the refrigerator.
If an energy source is available to the refrigerator, but is not
operating correctly:
- A fault code shows in the center display.
- The refrigerator controls try to change to a less efcient
energy source.
- If a less efcient energy source is not available:
- A fault code shows in the center display.
- Push the ON / OFF button to turn the refrigerator on.
- Push and hold the MODE button until the light bar shows
beside AUTO [34] and then release.
- If 120 volts AC is available to the refrigerator:
- The light bar beside AC [35] also shows in the center
display.
- After ten seconds, the light bar beside AC goes off and
only the light bar beside AUTO remains.
- This means that the refrigerator is operating on AC
electric.
- If 120 volts AC is not available to the refrigerator:
- The light bar beside AC also shows in the center display.
- After a few seconds, the light bar beside AC goes off and
the light bar beside LP GAS shows.
- After 10 seconds, the light bar beside LP GAS goes off
and only the light bar beside AUTO remains.
- This means that the refrigerator is operating on propane
gas.
- Refer to the “Fault Codes” section of this manual.
Set the controls to manual mode operation:
- Push the ON / OFF button to turn the refrigerator on.
- Push and hold the MODE button until the light bar shows
beside AC [35] and then release.
- This means that the refrigerator is operating on AC
electric.
- Push and hold the MODE button until the light bar shows
beside LP GAS [36] and then release.
- This means that the refrigerator is operating on propane
gas.
- Push and hold the MODE button until the light bar shows
beside DC [164] and then release.
- This means that the refrigerator is operating on AC
electric.
If the energy source is interrupted:
- A fault code shows in the center display.
- Refer to the “Fault Codes” section of this manual.
Owner’s Manual 5
Cooling unit sensing:
The controls have the ability to sense the operation of the cooling
unit. If the controls sense that the cooling unit has stopped
cooling:
- The heat sources to the cooling unit are turned off and are
locked out by the controls.
- A fault code “n” shows in the Center display.
You can reset the controls and remove this fault code one time.
To reset the controls, shut off and then start the refrigerator.
- To turn off the refrigerator, push the ON / OFF button for one
second and then release.
- If the temperature is too warm, push and hold the
TEMP SET button to raise the temperature setting
by one number.
- If the temperature is too cold, push and hold the
TEMP SET button to lower the temperature setting
by one number.
- Have the refrigerator serviced by your dealer or an Norcold
authorized Service Center as soon as possible.
DC Operation Precautions
(3-way models only)
- To turn on the refrigerator, push and release the ON / OFF
button.
If you reset the controls and the fault occurs again before the
refrigerator completes a full cooling cycle:
- The heat sources to the cooling unit are turned off and are
locked out.
- A fault code “n” shows in the Center display.
- This time you can not reset the fault. Have the refrigerator
serviced by your dealer or a Norcold authorized Service
Center as soon as possible.
Backup operating system:
This refrigerator has a backup operating system. The backup
operating system allows the regerator to continue to cool if the
temperature sensor of the refrigerator should fail.
If this failure occurs:
- The refrigerator automatically changes to the backup
operating system.
- When you push the TEMP SET button, the temperature
setting ashes in the center display for ten seconds.
This refrigerator is made to operate on DC power while your
vehicle is “in transit” and AC power or propane 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.
- After the temperature setting ashes, the mode of
operation appears in the center dispaly.
- The backup operating system can overfreeze or thaw the
contents of the freezer and the fresh food compartment.
- Make sure the temperatures of the freezer and the fresh
food compartment are satisfactory.
NOTE: If you open the door(s) too often, the temperatures
inside the freezer and fresh food compartment
do not become stable. Allow the refrigerator to
operate for about one hour after each adjustment
change before you examine the contents. The
number “9” is the coldest temperature setting.
Owner’s Manual 6
DC Operation Guidelines
!
(3-way models only)
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 propane 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
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.
Although the refrigerator is not frost -free, it is made to limit frost
on the cooling ns. At regular intervals, the temperature control
system automatically melts most of the frost from the cooling ns.
The water from the cooling ns drains into a collection cup that is
attached to the back of the refrigerator. The heat of the cooling
system evaporates the water from the collection cup.
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.
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.
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 Norcold Service Center.
NOTE: 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 half-gallon 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.
- Make sure the gas supply is propane gas only and not
butane or a butane mixture.
Owner’s Manual 7
- Start up the refrigerator.
- Allow the refrigerator to cool down.
Door Sealing
- Return all food to the refrigerator.
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.
NOTE: 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:
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 and
thickness 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:
- 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
To remove and clean the drip tray:
- Locate the plastic clip that is around the wire shelf in front of
the drip tray.
- Remove and save the screw that attaches the plastic clip to
the inside of the refrigerator cabinet.
- Pull the self forward to remove from the refrigerator
- Make sure that the drip tray is empty of water.
- Pull the drain tube plug out from the inside of the drip tray
and out of the drain hose.
- Pull the drip tray forward to remove from the slots in the
refrigerator cabinet.
- Clean the drip tray.
- Put the drain tube plug down into the drip tray and push the
drip tray back into the original position.
- Push the drain hose back onto the drain tube plug.
- Put the wire shelf and plastic clip back in the original position.
- Attach the plastic clip with the screw.
Refrigerator Maintenance Checklist
Read and understand the following maintenance sections of this
manual.
NOTE: Norcold is not responsible for installation,
adjustment, alteration, service, or maintenance
performed by anyone other than a qualied RV
dealer or an authorized Norcold Service center.
Have a qualied RV dealer or an authorized Norcold 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.
Owner’s Manual 8
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