Service Manual 5
This refrigerator operates on propane gas at a pressure of
10.5 inches Water Column min. to 11.5 inches Water Column
max.
WARNING: Be very careful when working on or near
the propane gas system.
- Do not smoke, or use an open flame near the
propane gas system.
- Do not use an open flame to examine for leaks.
- Do not connect the refrigerator to the propane gas
tank without a pressure regulator between them.
- 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.
Examine the gas supply system for leaks:
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.
Using a solution of liquid detergent and water, make sure the
gas supply line and all gas connections have no leaks. Do
not use any liquid that contains ammonia.
If you use compressed air for the test:
- The pressure of the compressed air at the manual
shutoff valve of the refrigerator must not be more than 1/2
psig (14 inches Water Column).
- If the pressure of the compressed air is more than 1/2
psig (14 inches Water Column), remove the gas supply
line from the manual shutoff valve of the refrigerator
before the test.
- If the pressure of the compressed air is equal to or less
than 1/2 psig (14 inches Water Column), close the
manual shutoff valve of the refrigerator before the test.
Ventilation Requirements
WARNING: The completed installation must:
- Make sure there is sufficient intake of fresh air for
combustion.
- Make sure the living space is completely isolated
from the combustion system of the refrigerator.
- 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.
Certified installation needs one lower intake vent and one
upper exhaust vent. Install the vents exactly as instructed in
the “Installation Manual”. Any other installation method voids
both the certification and the factory warranty of the refrigera-
tor.
The bottom of the opening for the lower intake vent, which is
also the service access door, must be even with or immedi-
ately below the floor level. This allows any leaking LP gas to
escape to the outside and not to collect at floor level.
If the vehicle has two side wall vents, the minimum distance
from the floor level to the top of the upper exhaust vent is 55
inches on N6__ models and 62 inches on N8 __ models.
American Gas Association/Canadian Gas Association (AGA/
CGA) 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 certification,
the following maximum clearances are necessary for correct
refrigeration:
Bottom 0 inch min. 0 inch max.
Each Side 0 inch min 1/2 inch max.
Top 0 inch min. 1/4 inch max.
Rear 0 inch min. 1 inch max.
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 may not cool correctly.
Each NORCOLD model is certified by AGA and CGA for
correct ventilation.
Propane Gas Components
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