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www.norcold.com/cda
N500/N510 Models
Refrigerator Service Manual
Because of increased installation of refrigerators in RV
slide outs, NORCOLD has developed venting guidelines
for double sidewall vent applications. This ensures
NORCOLD refrigerators meet the ANSI Z21.19
standards for cooling performance when used in slide
out applications.
The challenge with slide out installations is that the
"chimney effect" (see page 32) that is present with roof
vent installations is not as strong in slide outs. To
improve the airflow of the chimney effect, side vent
installations must have fans and baffles. These fans
and baffles direct the air flow through the surfaces of
heat rejecting components. NORCOLD has determined
that the following four key design considerations
optimize heat removal in N550/N510 slide out
applications.
T Refrigerators installed in slide outs must have a fan
or fans to assist air flow. Fan kits are available
through NORCOLD.
T Fresh air must be directed to flow through the
surface areas of the absorber coils, condenser fins,
and the outer surface of the canister.
T Corners and structural pockets where heated air
may stagnate must be reduced in size or completely
eliminated.
T N500/N510 refrigerators must have a at least 47 3/4
inches distance between the upper exhaust vent and
the lower intake vent. Refer to the N500/N510
Installation Manual for more information.
Two baffles are required for the N500/N510 model in
double sidewall venting applications.
Double sidewall venting examples are shown in Figures
15 and 16.
Air Intake Vent
The ventilation and combustion air flow into the
enclosure is through the air intake vent.
Sidewall Exhaust Vent
The heat absorbed by ventilation air and combustion
gases flow out of the enclosure through the sidewall
exhaust vent.
Figure 15. Double sidewall ventilation arrangement
Exhaust vent
Absorber coils
Condenser
Air intake vent
Double Sidewall Venting
Figure 16. Baffles required for sidewall venting
Angled baffle
Horizontal baffles--
required only when
opening between
outside wall and
cooling unit is
over 1 inch
Air intake vent
Absorber coils
Condenser
Exhaust vent
1/4 inch or less
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