Refrigerator Maintenance Checklist; Refrigerator Storage; Refrigerator Maintenance; Gas Flame Appearance - Norcold 322 Series Installation And Owner's Manual

Refrigerator Maintenance Checklist

Read and understand the following maintenance sections of this
manual.
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.
Have a qualified 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 orifice are clean.
- Clean if necessary.
- Make sure the electrode spark gap [3] 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.
- Adjust if needed.
- Make sure the thermocouple tip is clean and secure.
- Make sure the area at the rear of the refrigerator is free from
any combustible materials, especially gasoline and other
flammable vapors and liquids.

Refrigerator Storage

Before the refrigerator is stored for an extended (seasonal)
period of time:
- Defrost and clean the interior of the refrigerator.
- Close the doors with the storage latch.
If the refrigerator is stored for an extended period of time, before
start up:
- Make sure there are no obstructions in the vents, the
ventilation air pathway, the burner, the orifice, or the flue
area.
Installation and Owner's Guide 8

Refrigerator Maintenance

Gas flame appearance:

While in GAS operation, examine the gas flame:
- Open the lower intake vent.
- Turn the gas control to the HIGH COOL position.
CAUTION:
The burner box cover can be hot. Wear
gloves to avoid burns.
- Remove the burner box cover by removing one screw.
- Using a small mirror, look at the gas flame [1] (See
Art00955).
- The flame should be:
- a darker blue color on the inside of the flame and a
lighter blue color on the outside of the flame.
- a constant shape without flickering.
- Contact your dealer or Norcold authorized service
center if the flame is:
- yellow
- flickering or changing shape.
- Make sure the flame does not touch the inside of the
flue tube [2].
- If the flame touches the inside of the flue tube, contact
your dealer or Norcold authorized service center.
- Put the burner box cover back in the original location.

Remove and clean the burner orifice:

NOTE: Your dealer or a Norcold authorized service center must
do this procedure.
To remove and clean the burner orifice (See Art00956):
- Close the valve at the propane gas tank(s).
- Open the lower intake vent.
- Close the manual shut off valve of the refrigerator.
- Turn the gas control to the OFF positon.
CAUTION:
The burner box cover can be hot. Wear
gloves to avoid burns.
- Remove the burner box cover by removing one screw.