Norcold Refrigerator 322X User Manual

Installation and Owner’s Manual  
For model 322X - a 1.7 cu. ft., 2-way refrigerator.  
For model 323X - a 1.7 cu. ft., 3-way refrigerator.  
The model 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: Improper installation, adjustment, alteration, service or mainte-  
nance can cause personal injury or property damage. Refer to this  
manual. For assistance or additional information, contact a qualified  
installer, service agency, or the 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  
English  
only NORCOLD 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  
propane gas fumes to be present in the living area and/or below  
deck.  
NORCOLD, Inc.  
P.O. Box 4248  
Sidney, OH 45365-4248  
Norcold Customer Suport Dept.  
Telephone: 800-543-1219  
Fax: 937-497-3183  
Part No. 622828G (5-07)  
 
2. IN NO EVENT AND UNDER NO CIRCUMSTANCES SHALL  
NORCOLD BE RESPONSIBLE UNDER THIS LIMITED  
WARRANTY FOR ANY OTHER CHARGE WHATSOEVER,  
INCLUDING BUT NOT LIMITED TO CHARGES OR CLAIMS  
FOR LABOR, LOST BUSINESS, LOST TIME, LOST PROF-  
ITS, LOSS OF USE, OR ANY KIND OF INCIDENTAL OR  
CONSEQUENTIAL DAMAGES, HOWEVER DENOMINATED  
OR DESCRIBED. THE REMEDY UNDER THIS WARRANTY  
IS LIMITED TO REPLACEMENT OR REPAIR.  
Gas Absorption Warranty Questions  
About your warranty  
This warranty coverage begins on the original date of purchase by  
the consumer purchaser and is the only warranty for the Norcold  
refrigerator. In no case will the Limited Warranty extend beyond two  
(2) years for labor and three (3) years for parts and freight. Norcold  
reserves the right to change design or specifications of a refrigerator  
without obligation to modify previously produced refrigerators. There  
are no other warranties, either expressed or implied.  
3. SOME STATES DO NOT ALLOW THE EXCLUSION OR  
LIMITATION OF INCIDENTAL OR CONSEQUENTIAL  
DAMAGES, SO THE ABOVE EXCLUSION MAY NOT APPLY  
TO YOU.  
What is coverd by this warranty?  
- Defects in material and workmanship.  
- Parts and labor for two (2) years  
- Parts only for the third year if the required maintenance is  
performed.  
- Freight (ground service only) for shipment of a replacement part  
and for return of the defective part.  
DISCLAIMER OF OTHER WARRANTIES  
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER  
WARRANTIES EITHER EXPRESSED OR IMPLIED. ALL  
OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUD-  
ING ANY WARRANTY OF MERCHANTABILITY OR FITNESS  
FOR A PARTICULAR PURPOSE, ARE HEREBY DISCLAIMED  
AND EXCLUDED.  
What is not covered by this warranty?  
- Shipping methods other than ground service.  
- Defects in glassware, electric light bulbs, and replacement fuses.  
- Adjustment of the burner electrode.  
- Cleaning of the burner.  
- Fees for mobile repair service.  
- Mileage or travel expenses to obtain warranty service.  
- Expenses for required maintenance as specified in the Limited  
Warranty and in the Owner’s Manual.  
- Incidental or consequential loss or damage including but not limited  
to charges or claims for labor (including labor when no parts are  
used for a repair), lost business, lost time, lost profits, lost food,  
and lost use.  
Legal rights  
This warranty gives you specific legal rights, and you may have  
other legal rights, which vary from state to state.  
- Replacement parts that are not manufactured or supplied by  
Norcold.  
- Defect of a part or assembly when the defect originates from  
misuse, improper installation, improper or abnormal service, transit  
damage, recharging of the cooling system, accident, fire, improper  
repair, tampering, or abuse.  
Gas Absorption Warranty Information  
What will Norcold do?  
For a refrigerator that is properly installed, maintained, and used as  
specified in the Installation/Owner’s Manuals, Norcold responsibilities  
are:  
- Limited to the repair and replacement of parts.  
- To provide no charge parts and labor for two (2) years.  
- To provide no charge parts only for year 3 if the required mainte-  
nance is performed.  
- To provide freight (ground service only) for shipment of a  
replacement part and for return of a defective part for three (3)  
years.  
Your refrigerator is made to provide the ultimate in cooling  
satisfaction and will serve you reliably in the years to come.  
Norcold refrigerators are the only RV refrigerators made in the  
United States and offer a standard limited three-year warranty.  
Norcold also offers an additional warranty coverage plan which  
extends the standard limited three-year warranty. To activate  
your three-year limited warranty and to receive an invitation to  
participate in the extended warranty plan, complete and mail  
the warranty registration supplied.  
What will the refrigerator owner do?  
Help us to help you.  
To obtain warranty service, the refrigerator owner responsibilities are:  
- To use, service, and maintain the refrigerator as specified in the  
Installation/Owner’s Manuals.  
Write the model number and serial number below for future  
reference. These numbers are on the serial plate in the  
refrigerator. The serial plate is located in the fresh food  
compartment on the top right hand side. Use these numbers  
when receiving service or in any correspondence concerning  
your refrigerator.  
- To deliver the warranted product to an authorized Norcold Service  
Center for warranty repair.  
- To show proof that the refrigerator is within warranty coverage.  
- To have the required maintenance performed by an authorized  
Norcold Service Center one time during year 2 of the Limited  
Warranty.  
- To pay to have the required maintenance performed.  
- To mail paid receipt to Norcold showing required performed before  
expiration of year 2 of the Limited Warranty.  
- To show proof of the required maintenance before requesting  
warranty service in year 3 of the Limited Warranty.  
Model number ___________ Serial number ___________  
If a problem occurs with your refrigerator, contact any of the  
service centers throughout the United States and Canada. To  
find an authorized Norcold Service Center near you, please  
telephone the Norcold Customer Support Dept. at 800-543-  
What rights do you have?  
The warranty gives you specific legal rights. You may also have  
other rights which vary from state to state.  
Norcold is committed to providing products that are in harmony  
with the environment. Your Norcold refrigerator meets all  
environmental safety standards.  
Installation and Owner’s Guide 3  
 
- 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.  
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.  
-
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.  
WARNING: This signal word identifies a hazard, which if  
ignored, can cause dangerous personal injury, death, or  
much property damage.  
CAUTION: This signal word identifies a hazard, which if  
ignored, can cause small personal injury or much property  
damage.  
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.  
Safety Instructions  
WARNING:  
About Your Refrigerator  
- 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.)  
Storage volume:  
This refrigerator is made for food storage.  
Total capacity................................................. 1.7 cubic feet  
Leveling:  
- Do not remove the round ground prong from the  
refrigerator’s 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 fire if the  
wires and/or fuse are not the correct size. Either use  
the wire and fuse sizes as written in this manual or refer  
to your local codes or the applicable RVIA Standards for  
the correct wire and fuse sizes.  
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.  
- Incorrect installation, adjustment, change to, or mainte-  
nance of this refrigerator can cause personal injury,  
property damage, or both. Have service and mainte-  
nance work done by your dealer or by an Norcold  
authorized service center.  
Operation during travel:  
While the refrigerator should be level when the vehicle is  
stopped, performance during travel is not usually effected.  
- 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.  
Food compartment:  
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 autho-  
rized service center.  
- Do not bypass or change the refrigerator’s electrical  
components or features.  
- When you discard an appliance, remove all doors to  
prevent accidental entrapement and suffoction.  
For the best cooling performance:  
- Let air move freely inside the entire food compartment.  
- Do not cover the shelves with plastic, paper, etc.  
- Do not spray liquids near electrical outlets, connections,  
or the refrigerator components. Many liquids are  
electrically conductive and can create a shock hazard,  
electrical shorts, and in some cases, fire.  
Installation and Owner’s Guide 4  
 
To decrease the amount of ice that forms on the cooling fins:  
- Cover all liquids and moist foods.  
- Turn the gas control to LOW COOL position.  
- Keep the refrigerator full.  
- Let hot foods cool before putting them in the refrigerator.  
- Do not open the door any longer than necessary.  
- Put foods that are more likely to freeze on the lower shelf.  
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 propane  
gas to flow to the burner. Any loss of flame (empty gas tank,  
blow out, etc.) closes the safety valve and stops the flow of  
propane gas.  
Operating the Refrigerator Controls  
The piezo lighter [3] makes a spark which ignites the flame at the  
burner.  
Controls:  
The refrigerator control panel [1] is located on the rear of the  
refrigerator (See Art00954). Unlike refrigerators with electric  
controls, this refrigerator will operate on one energy source,  
independently of the others.  
The 3 Amp fuse [4] protects the AC wiring of the refrigerator.  
The 20 Amp fuse [5] (model 323) protects the DC wiring of the  
refrigerator.  
Ignition - propane gas operation:  
WARNING: Do not us a match for ignition. An ignition  
flashback can cause burns to the hand or face. If, in an  
emergency, you must use a match for ignition of the  
refrigerator, do not hold in the gas control for more than  
five or ten seconds at a time and use the longest match  
possible.  
Energy selector ................................................................ 1  
Gas control ....................................................................... 2  
Piezo lighter...................................................................... 3  
3 Amp fuse ....................................................................... 4  
20 Amp fuse ..................................................................... 5  
1. Open the lower intake vent to get access to the rear of the  
refrigerator.  
2. Open the valve at the propane gas storage tank.  
3. Open the viewing window on the burner box .  
The energy selector [1] changes the energy source of the  
refrigerator between propane GAS, AC electric, and DC electric  
(See Art00953).  
4. Turn the energy selector switch [1] to the GAS position (See  
Aet00953).  
A nonadjustable thermostat controls the AC and DC operation of  
the refrigerator. The thermostat has a capillary sensor that is  
attached to the cooling fin. The AC or DC electric heater  
operates in response to the temperature of the cooling fin to  
keep the refrigerator temperature constant.  
5. Turn the gas control [2] to the HIGH COOL position.  
6. Push and hold in the gas control.  
- In rapid succession, push the igniter [3] in several times.  
The gas control [2] changes the amount of propane gas that  
goes to the burner. This acts as the temperature control of the  
refrigerator. When operating the refrigerator on GAS, you can  
change the refrigerator temperature to the desired setting by  
putting the gas control at any position between HIGH COOL and  
LOW COOL. HIGH COOL is the coldest temperature setting.  
- Look through the viewing window and make sure that  
ignition occurred.  
WARNING: Do not hold the gas control in 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 the gas control in, gas will collect in the burner  
area. This could cause a fire or an explosion and result in  
dangerous personal injury or death.  
NOTE: This is not an automatic gas control. It does not change  
the flame from high fire to low fire 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.  
- Continue to hold the gas control in for about 15 seconds  
only.  
When the outside air temperature is below 50° F., the refrigerator  
may have a tendency to freeze food. To reduce the tendency to  
freeze food:  
7. Turn the gas control to the amount of cooling that you wish.  
8. Close the viewing window on the burner box.  
Installation and Owner’s Guide 5  
 
Keep in mind the following electrical precautions for DC opera-  
tion of the refrigerator:  
Do a test of the gas safety valve:  
With an established flame in GAS mode:  
- Good battery condition is necessary for correct DC opera-  
tion.  
1. Close the manual gas shutoff valve [3] of the refrigerator  
(See Art00952].  
- The capacity of the battery charging system must be more  
than what is necessary for the refrigerator and other DC  
appliances.  
2. After the flame is extinguished, you should hear a sharp  
“click” sound within three minutes.  
- While the vehicle engine is running, have a qualified service  
technician make sure the voltage of the DC power supply  
leads at the refrigerator is more than 11.5 VDC.  
NOTE: The gas safety valve should close with a sharp “click“  
sound.  
3. Open the manual gas shutoff valve of the refrigerator.  
DC operation guidelines:  
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 gas safety valve is working  
correctly.  
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 refrigera-  
tor. The refrigerator must be cooled and the temperature must  
be steady before you operate the refrigerator on DC.  
Start up - AC operation:  
- Make sure that 120 volts AC is available and the AC fuse [4]  
is working correctly.  
Keep in mind the following guidelines for DC operation of the  
refrigerator:  
- Turn the energy selector to the AC position.  
- Turn the gas control to the OFF position.  
Start up - DC operation (model 323 only):  
- 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.  
- Make sure that 12 volts DC is available and the DC fuse  
[5] is working correctly.  
- Only use DC operation if the vehicle battery and battery  
charging system are in good operating condition.  
- Turn the energy selector to the DC position.  
- Turn the gas control to the OFF position.  
Shut down:  
- Turn the gas control to the OFF positon.  
- Turn the energy selector to the GAS position.  
The refrigerator receives its DC power from the 12 volt system  
of the vehicle; either the vehicle engine battery or an auxilliary  
(house) battery. The 12 volt system of the vehicle supplies DC  
power only to the refrigerator but also to any other DC appli-  
ances of the vehicle. When operating on DC, the refrigerator  
has a high current draw and can cause a rapid battery  
discharge.  
Effects of High Altitude on Propane Gas  
Operation  
DC operation precautions:  
When you operate the refrigerator on propane gas at altitudes  
higher than 5500 feet above sea level:  
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.  
- You may experience reduced cooling performance of the  
refrigerator.  
For the refrigerator to operate correctly on DC power, the  
battery must be maintained in a fully charged condition.  
- 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.  
For the battery to be fully charged at all times during refrigera-  
tor operation on DC, the vehicle engine must be running and  
the battery charging system must be in good operating  
condition.  
Installation and Owner’s Guide 6  
 
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 tem-  
perature 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.  
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”.  
- To increase the speed of defrosting, put pans of WARM  
water in the refrigerator.  
- Defrost the refrigerator as necessary. See “Defrosting”.  
- Make sure the door seals correctly. See “Door Sealing“.  
- Remove the wet towels (etc.) and dry the interior.  
- Start up the refrigerator.  
- 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.  
- Allow the refrigerator to cool down.  
- Return all food to the refrigerator.  
- Make sure the gas supply is propane gas only and is not  
butane or a butane mixture.  
Cleaning  
- When in propane gas operation, examine the appearance of  
the flame. See “Gas Flame Inspection”.  
A good time to clean the refrigerator is just after you defrost it.  
To avoid food odors, clean the inside of the refrigerator as often  
as necessary:  
- Make sure the air flow in the lower intake vent, through the  
refrigerator coils and condenser, and out the upper exhaust  
vent is not blocked or decreased.  
- Remove all food from the refrigerator.  
- Make sure the area behind the refrigerator is clear. Do not  
use the area behind the refrigerator for storage of anything,  
especially gasoline and other flammable vapors and liquids.  
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 dish detergent and warm  
water.  
Defrosting  
- Rinse with a solution of baking soda and clean water.  
- Dry with clean cloth.  
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:  
- Put all food in the refrigerator.  
- 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.  
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).  
It is normal for frost to collect inside the refrigerator. Excess frost  
decreases the cooling performance of the refrigerator. Defrost  
the refrigerator as necessary:  
- Gently pull the paper.  
- Remove all food from the refrigerator.  
- Turn the refrigerator OFF.  
- You should feel a slight drag between the door gasket  
and the cabinet.  
- Do this on all four sides of the door.  
NOTE: Defrosting the refrigerator makes excess water inside  
the refrigerator.  
- If you do not feel drag on the paper, the door gasket is not  
sealing correctly.  
- Put dry towels (etc.) inside the refrigerator to absorb melted  
frost.  
- Contact your dealer or Norcold authorized service center.  
Installation and Owner’s Guide 7  
 
Refrigerator Maintenance  
Refrigerator Maintenance Checklist  
Gas flame appearance:  
Read and understand the following maintenance sections of this  
manual.  
While in GAS operation, examine the gas flame:  
- Open the lower intake vent.  
NOTE: Norcold is not responsible for installation, adjust-  
ment, alteration, service, or maintenance performed  
by anyone other than a qualified RV dealer or a  
Norcold authorized service center.  
- Turn the gas control to the HIGH COOL position.  
CAUTION: The burner box cover can be hot. Wear  
gloves to avoid burns.  
Have a qualified RV dealer or a Norcold authorized service  
center do these annual safety and maintenance checks:  
- Remove the burner box cover by removing one screw.  
- Examine the gas supply lines for leaks.  
- Replace or repair if necessary.  
- Using a small mirror, look at the gas flame [1] (See  
Art00955).  
- Make sure the propane gas pressure is 11 inches of water  
column.  
- 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.  
- Adjust if necessary.  
- Make sure the combustion seal is complete and intact.  
- Replace or repair it if necessary.  
- a constant shape without flickering.  
- Contact your dealer or Norcold authorized service  
center if the flame is:  
- Make sure the burner and the burner orifice are clean.  
- Clean if necessary.  
- yellow  
- flickering or changing shape.  
- Make sure the electrode spark gap [3] is 1/8 - 3/16 inch (See  
Art00955).  
- Make sure the flame does not touch the inside of the  
flue tube [2].  
- Adjust if necessary.  
- If the flame touches the inside of the flue tube, contact  
your dealer or Norcold authorized service center.  
- Make sure the AC voltage is 108 - 132 volts and the DC  
voltage is 10.5 - 15.4 volts.  
- Put the burner box cover back in the original location.  
- Adjust if needed.  
Remove and clean the burner orifice:  
- Make sure the thermocouple tip is clean and secure.  
NOTE: Your dealer or a Norcold authorized service center must  
do this procedure.  
- Make sure the area at the rear of the refrigerator is free from  
any combustible materials, especially gasoline and other  
flammable vapors and liquids.  
To remove and clean the burner orifice (See Art00956):  
- Close the valve at the propane gas tank(s).  
- Open the lower intake vent.  
Refrigerator Storage  
Before the refrigerator is stored for an extended (seasonal)  
period of time:  
- Close the manual shut off valve of the refrigerator.  
- Turn the gas control to the OFF positon.  
- Defrost and clean the interior of the refrigerator.  
- Close the doors with the storage latch.  
CAUTION: The burner box cover can be hot. Wear  
gloves to avoid burns.  
If the refrigerator is stored for an extended period of time, before  
start up:  
- Remove the burner box cover by removing one screw.  
- Make sure there are no obstructions in the vents, the  
ventilation air pathway, the burner, the orifice, or the flue  
area.  
Installation and Owner’s Guide 8  
 
- Mark the DC wires so you can put them back in the correct  
location.  
WARNING: To avoid possible propane gas leaks,  
always use two wrenches to loosen and tighten the gas  
supply line at the refrigerator’s manual shut off valve.  
- Remove the DC wiring from the refrigerator.  
- Remove the flare nut from the orifice assembly [1] (See  
Art00956).  
4. Remove the screws which fasten the rear of the refrigerator to  
the floor.  
- Remove the orifice assembly from the burner [2]  
5. Remove the screws which fasten the refrigerator to the wall.  
WARNING: When cleaning, do not try to remove the  
orifice [3] from the orifice adapter [4]. Removal will  
damage the orifice and seal of the orifice and can cause  
a propane gas leak. Leaking propane gas can ignite or  
explode and result in dangerous personal injury or  
death. Do not clean the orifice with a pin or other  
objects.  
Reinstall the Refrigerator  
WARNING: Make sure the seal strips [1] (See Art00951)  
are not broken, are completely around the refrigerator  
mounting flanges, and are between the refrigerator  
mounting flanges and the wall of the enclosure. If the 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, or in extreme cases, death.  
- Clean the orifice assembly with air pressure and alcohol  
only.  
- Using a wrench, assemble the orifice assembly to the  
burner.  
1. Push the refrigerator completely into the enclosure.  
- Assemble the flare nut to the orifice assembly.  
- Tighten the flare nut by hand.  
2. Put the screws though the mounting flanges and into the wall.  
3. Put the plastic plugs into the mounting flanges of the refrig-  
erator.  
- Hold the orifice assembly securely and, using a wrench,  
tighten the flare nut 1/4 revolution only.  
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.  
- Examine the propane gas supply sytem for leaks.  
4. Open the lower intake vent and put the screws through  
refrigerator and into the floor.  
Remove the Refrigerator  
WARNING: To avoid possible gas leaks, always use two  
wrenches to tighten or loosen the propane gas supply line  
connections of the refrigerator.  
NOTE: A dealer or Norcold authorized service center must do  
this procedure.  
5. Attach the propane gas supply line to the bulkhead fitting 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.  
6. Open the valve at the propane gas tank(s).  
WARNING: Do not allow the leak detecting solution to  
touch the electrical components. Many liquids are  
electrically conductive and can cause a shock hazard,  
electrical shorts, and in some cases, fire.  
1. Close the valve at the propane gas tank(s).  
WARNING: To avoid possible gas leaks, always use two  
wrenches to tighten or loosen the gas supply line connec-  
tions of the refrigerator.  
7. Examine the gas supply line for leaks.  
8. Connect the DC wiring to the refrigerator:  
2. Open the lower intake vent and remove the gas supply line  
from the bulkhead fitting of the refrigerator.  
- Install the DC fuse or connect the DC wiring to the battery or  
the converter.  
3. Remove the AC power cord from the receptacle.  
- On model 323 only, remove the DC fuse or remove the DC  
wiring from the battery or the converter of the vehicle.  
Installation and Owner’s Guide 9  
 
- Connect the DC wires from the refrigerator.  
9. Connect the AC power cord to the receptacle.  
Wiring Diagram  
The parts of the wiring diagram are (See Art00957):  
1 ...........................................................................12 VDC+  
2 ..................................................................... 20 Amp fuse  
3 ......................................................................... DC heater  
4 ..................................................................... 12 VDC com  
5 ........................................................................... 120 VAC  
6 ....................................................................... 3 Amp fuse  
7 ......................................................................... AC heater  
8 ..................................................................... 12 VDC com  
9 ............................................................................. Ground  
10 ..................................................................... Thermostat  
11 ........................................................................ Spark gap  
12 ................................................................... Piezo lighter  
13 .................................................................... Safety valve  
14 ................................................................ Thermocouple  
15 ...............................................Thermocouple interrupter  
Refrigeration Failure  
If the refrigerator does not cool, it does not mean that the cooling  
system is defective. Other items which effect the refrigerator  
operation may be the cause of the problem.  
If you notice a loss of cooling, do a check for a failure of either  
the electric or propane gas controls as follows:  
- Change the energy source of the refrigerator.  
- If the refrigerator is operating on propane gas, change it  
to electric operation.  
- If the refrigerator is operating on electric, change it to  
propane gas operation.  
- Operate the refrigerator for several hours.  
Replacement Parts  
- Make sure the refrigerator is level within 3° side-to-side  
and 6° front-to-back.  
You may purchase replacement parts through your local RV  
dealer or Norcold authorized Service Center.  
- Make sure the controls are in the correct position for the  
energy source in use.  
- Make sure the gas pressure is 11 inches Water Column  
(10.5 in. W.C. min. - 11.5 in W.C. max.) and the voltage  
is 120 volts AC (108 v. min. - 132 v. max.) (on model  
323 only 12 volts DC, 11.5 volts min. - 15.4 volts max.)  
- Make sure the air flow in the lower intake vent, through  
the refrigerator cooling system, and out through the  
upper exhaust vent is not blocked or decreased.  
- If no cooling is occurs after about eight hours, contact your  
dealer or a Norcold authorized service center.  
Wiring Pictorial  
The parts of the wiring pictorial are (See Art00958):  
1 ......................................................................... DC heater  
2 ......................................................................... AC heater  
3 ................................................................ Chassis ground  
4 .................................................Thermocouple interrupter  
5 ....................................................................... 3 Amp fuse  
6 ..................................................................... 20 Amp fuse  
7 .................................................................. Terminal block  
8 ............................................................................. Jumper  
9 ......................................................................... Thermstat  
10 ............................................................................... witch  
11 .......................................................................... 120 VAC  
12 .........................................................................12 VDC+  
13 ....................................................................... Spark gap  
Installation and Owner’s Guide 10  
 
- The refrigerator cooling system is under pressure. Do not  
try to repair or to recharge a defective cooling system.  
Installation Manual  
Safety Awareness  
- 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.  
Read this manual carefully and understand the contents before  
you install 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.  
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.  
WARNING: This signal word identifies a hazard, which if  
ignored, can cause dangerous personal injury, death, or  
much property damage.  
Certification and Code Requirements  
CAUTION: This signal word identifies a hazard, which if  
ignored, can cause small personal injury or much property  
damage.  
Safety Instructions  
WARNING:  
- This refrigerator is not approved for use as a free standing  
refrigerator. It is equipped for the use of propane gas only  
and can not be changed to use any other fuels (natural  
gas, butane, etc.).  
This refrigerator is certified by CSA International as meeting the  
latest edition of ANSI Z21.19 / CAN 1.4 standards for installation in  
mobile homes or recreational vehicles.  
The installation must obey these standards and this “Installation  
Manual” for the NORCOLD limited warranty to be in effect.  
Installation must conform with the following as applicable:  
- Incorrect installation, adjustment, changes to, or mainte-  
nance of this refrigerator can cause personal injury,  
property damage, or both.  
In the United States and Canada:  
- Obey the instructions in this manual to install the intake  
and exhaust vents.  
- Local codes, or in the absence of local codes, the National  
Fuel Gas Code, ANSI Z223.1/NFPA 54, the Natural Gas and  
Propane installation Code, CSA B149.1, ANSI A119.2  
Recreational Vehicles Code, and CSA Z240 RV Series,  
Recreational Vehicles.  
- Do not install the refrigerator directly on carpet. Put the  
refrigerator on a metal or wood panel that extends the full  
width and depth of the refrigerator enclosure.  
- Do not allow anything to touch the refrigerator cooling  
system.  
-
A manufactured home (mobile home) installation must  
conform with the Manufactured Home Construction and  
Safety Standard, Title 24 CFR, Part 3280 [formerly the  
Federal Standard for Mobile Home Construction and Safety,  
Title 24 (part 280), and the current CSA Z240.4, Gas-  
equipped Recreational Vehicles and Mobile Housing.  
- Propane gas can ignite and cause an explosion that can  
result in property damage, personal injury, or death. Do  
not smoke or create sparks. Do not use an open flame to  
examine the propane gas supply line for leaks. Always  
use two wrenches to tighten or loosen the propane gas  
supply line connections.  
- If an external power source is utilized, the appliance, when  
installed, must be electrically grounded in accordance with  
local codes or, in the absence of local codes, the National  
Electrical code, and ANSI/NFPA 70, or the Canadian  
Electrical Code, CSA C22.2. Parts 1 and 2.  
- Make sure the electrical installation obeys all applicable  
codes. See the “Certification and Code Requirements”  
section of this manual.  
All propane gas supply piping and fittings must obey local, state,  
and national codes about type and size. These components  
must also obey the current NFPA 501C section 2-4, and in  
Canada with the current CAN 1-6.10 Standard.  
- Do not bypass or change the refrigerator’s electrical  
components or features.  
- 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.  
Installation and Owner’s Guide 11  
 
Ventilation Requirements  
Assemble the Enclosure  
1. Make sure the enclosure is 20.63 - 20.76 inches high x 17.50  
- 17.63 inches wide x 21.25 inches deep.  
WARNING: The completed installation must:  
- Make sure there is sufficient intake of fresh air for  
combustion.  
2. Make sure the floor is solid and level.  
- The floor must be metal or a wood panel and extend the full  
width and depth of the enclosure.  
- Make sure the living space is completely isolated from  
the combustion system of the refrigerator.  
- The floor must be able to support the weight of the refrigera-  
tor and its contents.  
- Make sure there is complete and unrestricted ventilation  
of the flue exhaust which, in gas mode, can produce  
carbon monoxide. The breathing of carbon monoxide  
fumes can cause dizziness, nausea, or in extreme  
cases, death.  
3. Make sure there are no adjacent heat sources such as a  
furnace vent, a hot water heater vent, etc.  
4. If there is more than 1/2 inch between either side of the  
refrigerator and the inside of the enclosure:  
- Make sure the refrigerator is completely isolated from its  
heat generating components by the correct use of  
baffles and panel construction.  
- Fill the space with fiberglass (batt-type) insulation or add a  
baffle to eliminate the clearance.  
Certified installation needs one lower intake vent and one upper  
exhaust vent. Install the vents through the side wall of the  
vehicle exactly as instructed in this manual. Any other installa-  
tion method voids both the certification and the factory warranty  
of the refrigerator.  
- The rear of the batt-type insulation must be between 18  
-19 inches from the face of the enclosure.  
- Securely attach the batt-type insulation to the enclo-  
sure, so that it remains in this position during refrigera-  
tor installation, if it becomes wet, and in windy condi-  
tions.  
The opening for the lower intake vent, which is also the service  
access door, must be even with or immediately below the floor  
level. This allows any leaking propane gas to escape to the  
outside and not to collect at floor level.  
Install the Lower and Upper Vents  
CSA International certification allows the refrigerator to have zero  
(0) inch minimum clearance at the sides, rear, top, and bottom.  
While there are no maximum clearances specified for certifica-  
tion, the following maximum clearances are necessary for correct  
refrigerator performance:  
1. Determine the rough opening (R.O.) size for each vent.  
Certified Vent  
Part No.  
R.O. Height R.O. Width  
Upper Side  
Exhaust Vent  
617485  
7 1/4 in.  
9 3/4 in.  
6 3/16 in.  
18 in.  
Bottom  
Each Side  
Top  
0 inch min.  
0 inch min  
0 inch min.  
0 inch min.  
0 inch max.  
1/2 inch max.  
1/4 inch max.  
1 inch max.  
Lower Side  
Intake Vent  
617484  
620505  
19 3/8 in.  
17 13/16 in.  
Universal Upper  
& Lower Vent  
Rear  
2. Install the lower intake vent (See Art00947 and Art00948):  
These clearances plus the lower and upper vents cause the  
natural air draft that is necessary for good refrigeration. Cooler  
air goes in through the lower intake vent, goes around the  
refrigerator coils where it removes the excess heat from the  
refrigerator components, and goes out through the upper  
exhaust vent. If this air flow is blocked or decreased, the  
refrigerator will not cool correctly.  
NOTE: The lower intake vent is also the service access opening  
for the components on the rear of the refrigerator.  
WARNING: Make sure the bottom of the opening for the  
lower intake vent is even with or immediately below the  
floor level. This allows any leaking propane gas to escape  
to the outside and not to collect at floor level.  
Each NORCOLD model is certified by CSA International for  
correct ventilation. Install only the certified vents that are listed  
in this manual.  
- Make sure the bottom of the openeing of the lower intake  
vent [1] is even with or immediately below the floor level [2].  
- Align the lower intake vent vertically below the coils of the  
refrigerator.  
3. Install the upper exhaust vent (See Art00947 and Art00948):  
NOTE: For the best cooling performance, the distance [3] from  
the floor level [2] to the top of the rough opening [4] of the  
upper exhaust vent should be 30 1/2 inches.  
Installation and Owner’s Guide 12  
 
- Make sure the distance from the floor level to the top of the  
rough opening for the upper exhaust vent is at least 20 5/8  
inches or poor cooling performance and damage to the  
cooling system can occur.  
- Turn the upper hinge pin down into the hinge and into the  
door.  
4. Examine the door:  
- Make sure the distance from the floor level to the top of the  
rough opening for the upper exhaust vent is at least 20 5/8  
inches or poor cooling performance and damage to the  
cooling system can occur.  
- Make sure the door aligns correctly.  
- Make sure the travel latch engages correctly.  
- Align the upper exhaust vent horizontally above the  
lower intake vent [1] of the refrigerator.  
Install the Refrigerator  
- Install a baffle [6] to prevent stagnant hot air in the area  
above the refrigerator.  
WARNING: Make sure the seal strips [1] are not broken,  
are completely around the refrigerator mounting flanges,  
and are between the refrigerator mounting flanges and the  
wall of the enclosure (See Art00951). If the 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, or in extreme cases, death.  
- Make sure the baffle is the full width of the inside of the  
enclosure.  
- If the distance from the back of the refrigerator to the wall of  
the vehicle is more than one inch, install a baffle [7]  
between the back of the refrigerator to the wall of the  
vehicle.  
1. Put screws through the refrigerator mounting flanges and into  
the wall of the enclosure.  
Reverse the Door Swing (optional)  
2. Put a cap on each of the screw holes in the refrigerator  
mounting flanges.  
This refrigerator has a door hinge that allows you to change the  
direction that the door opens. You can change the door swing at  
any time, but the best time is before you install the refrigerator.  
To change door swing:  
3. Put screws through the braces [2] at the lower rear corners of  
the refrigerator and into the floor (See Art00952).  
1. Remove the door (See Art00949):  
Connect the Electrical Components  
- Turn out and save the upper hinge pin [1].  
AC Operation  
120 volts AC voltage  
(108 volts min. - 132 volts max.)  
- Open the door [2] a small amount and pull the top of the  
door away from the upper hinge of the refrigerator.  
DC Operation  
(model 323 only)  
12 volts DC voltage  
(11.5 volts min. - 15.4 volts max.)  
- Lift the door off of the lower hinge pin [3].  
- Turn out, remove, and save the lower hinge pin.  
2. Change the position of the hinges (See Art00950):  
- Carefully pull the breaker [4] off the front of the refrigerator.  
This refrigerator operates on both AC and DC electrical sources.  
Operation out of these limits may damage the refrigerator’s  
electrical circuit parts and will void the warranty.  
WARNING: The rear of the refrigerator cooling system  
has hot surfaces and sharp surfaces that can damage  
electrical wiring. Make sure that there is a good clearance  
between all electrical wiring and the cooling system of the  
refrigerator. Position any electrical wiring within the  
refrigerator enclosure opposite the burner side of the  
refrigerator. Do not put any electrical wiring through the  
roof exhaust vent. Failure to correctly position electrical  
wiring can result in electrical shock or fire.  
- Remove the screws [5] from the hinge [6] and the hinge  
spacer [7].  
- Invert the hinge and the hinge spacer and put them on the  
other side of the refrigerator  
- Attach the hinge and the hinge spacer with the screws.  
- Turn the lower hinge pin down into the hinge.  
3. Install the door:  
- Put the door down onto the lower hinge pin.  
- Close the door.  
- Align the holes in the hinge and the door and hold in this  
position.  
- Invert the breaker and push it ontothe front of the refrigera-  
tor.  
Installation and Owner’s Guide 13  
 
- Do not use an open flame to examine for leaks.  
Connect the 120 volts AC supply:  
- Do not connect the refrigerator to the propane gas tank  
without a pressure regulator between them.  
WARNING: Connect the AC power cord only to a  
grounded three-prong receptacle. Do not remove the  
round ground prong from the power cord. Do not use a  
two-prong adapter or an extension cord. Operation of the  
refrigerator without a correct ground could cause danger-  
ous electrical shock or death if you are touching the metal  
parts of the refrigerator or the vehicle.  
- To avoid possible propane gas leaks, always use two  
wrenches to tighten or loosen the gas supply line  
connections.  
- Leaking propane gas can ignite or explode and result in  
dangerous personal injury or death.  
Put the AC power cord into a grounded three-prong receptacle:  
Connect the gas supply line to the refrigerator:  
- Make sure the receptacle is within easy reach of the lower  
intake vent.  
- Make sure all tubing and fittings obey all local, state, and  
national codes about size and type.  
- Make sure the power cord does not touch the burner cover,  
the flue pipe, or any hot component that could damage the  
insulation of the power cord.  
- Make sure that all flexible metal connectors obey the current  
CAN 1-6.10 Standard.  
Connect the 12 volts DC supply (model 323 only):  
- Make sure that the materials used for the gas supply line  
obey both the current ANSI A 119.2 (NFPA 1192) and CSA  
Z240 Standards on Recreational Vehicles. Norcold recom-  
mends the use of 3/8 inch copper tubing as the gas supply  
line and requires a 3/8 inch SAE (UNF 5/8-18) male flare  
fitting as the connection to the refrigerator.  
1. Determine the min. wire size and the max. fuse size to use:  
WARNING: If you use an incorrect wire size and/or fuse  
size, electrical fires can result.  
- Measure the distance from the vehicle battery to the  
refrigerator:  
- Put the propane gas supply line up through the floor of the  
enclosure.  
- If the distance is 0 - 20 feet, use a minimum of 12 AWG  
wire and a maximum 20 amp fuse.  
- Make sure the hole through the floor is large enough to allow  
clearance for the gas supply line.  
- If the distance is more than 20 feet, use a minimum of  
10 AWG wire and a maximum 30 amp fuse.  
- Put a weather resistant seal (grommets, sealant, etc.)  
around the gas supply line where it goes through the floor to  
prevent vibration and abrasion.  
- If the wire size is larger than the min. size , use the correct  
fuse per RVIA A119.2 standard or local codes.  
- To prevent vibration and abrasion, make sure that the gas  
supply line is not against anything in the enclosure.  
- Connect the DC negative wire from the battery to the black  
DC wire on the terminal block of the refrigerator.  
- Attach the gas supply line to the bulkhead fitting of the  
refrigerator.  
- Connect the DC positive wire from the battery to the red DC  
wire on the termnal block of the refrigerator.  
Examine the propane gas supply system for leaks:  
- Install a 20 Amp in-line fuse on the DC positive wire and as  
near the battery as possible, between the battery and the  
terminal block of the refrigerator.  
WARNING: Do not allow the leak detecting solution to  
touch the electrical components. Many liquids are  
electrically conductive and can cause a shock hazard,  
electrical shorts and in some cases, fire.  
NOTE: This in-line fuse is necessary for added safety, even  
though the refrigerator has a DC fuse in the control  
assembly.  
Use a leak detecting solution to examine the gas supply line and  
all propane gas connections for leaks.  
Connect the Propane Gas Components  
If you use compressed air for the test:  
- The pressure at the gas control of the refrigerator must not  
be more than 1/2 psig (14 inches Water Column).  
This refrigerator operates on propane gas at a pressure of 11  
inches Water Column Propane.  
- If the air pressure is more than 1/2 psig (14 inches Water  
Column), remove the gas supply line from the bulkhead  
fitting of the refrigerator before the test.  
Connect the propane gas supply system:  
WARNING: Be very careful when working on or near the  
propane gas system.  
- If the air pressure is equal to or less than 1/2 psig (14 inches  
Water Column), turn the gas control to OFF before the test.  
- Do not smoke, or use an open flame near the propane  
gas system.  
Installation and Owner’s Guide 14  
 
 
 
 

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