Norcold 452 User Manual

The optimum installation is illustrated in Figure 1.

1. Area above refrigerator blocked (baffled) off to

prevent trapping of hot air above the refrigerator.

 2. 0 -1/4 inch clearance at the top of the refrigerator.

3. Exhaust vent centered directly over refrigera-

tor’s condenser.

4. 0 - 1 inch at rear of the refrigerator.
5. 0 inch clearance at bottom of refrigerator. 

Figure 2 further illustrates the requirement to center

the exhaust vent opening over the condenser of the
refrigerator.

.

1. Exhaust vent opening is inboard in relation to

the rear of the refrigerator.

2. Baffles added to the top of the refrigerator to

assist in directing air flow out the exhaust vent.

3. 0-1/4 inch clearance at the top of the refrigerator.
4. Angle between baffles and rear top edge of the

refrigerator not to exceed 45 degrees.

5. Deflectors added at rear in strategic locations

adjacent to the cooling units condenser and ab-
sorber coils to reduce clearance to 0 to 1 inch. 

4

5

3

Condenser
(source of
rejected heat)

Absorber
(source of
rejected heat)

Air flow path

1

2

Figure 1

5

Absorber

1

2

4

Condenser

2

3

Figure 3

Exhaust vent opening
centered over condenser
(front to rear of vehicle)

Figure 2