Thetford N400 Series Installation Manual - Manual (Page 5)

Installation Manual 5
- For N400 models, make sure the distance [4] from the
floor level to the top of the rough opening for the upper
exhaust vent is at least 41 3/4 inches or poor cooling
performance can occur.
- For N510 models, make sure the distance [4] from the
floor level to the top of the rough opening for the upper
exhaust vent is at least 47 3/4 inches or poor cooling
performance can occur.
- Align the upper exhaust vent [5] horizontally above the
lower intake vent [1] of the refrigerator.
- Install a baffle [6] to prevent stagnant hot air in the area
[7] above the refrigerator.
- Make sure there is less than 1/4 inch clear-
ance [8] between the baffle and the top of the
refrigerator.
- Make sure the baffle is the full width of the
inside of the enclosure.
- If there is more than 1 inch of clearance between the rear of
the refrigerator and the enclosure, add two baffles [14] to
the rear of the enclosure (See Art01637, Art01638, and
Art01639):
- Put one baffle at the top edge of the lower intake vent
[1].
- Put the other baffle at the lower edge of the condenser
[3] of the refrigerator.
- Make sure the baffles are less than 1/4 inch from
the coils [2] and condenser of the refrigerator.
- Make sure the baffles are the full width of the
inside of the enclosure.
- If there is more than 1/2 inch of clearance between either
side of the refrigerator and the wall, fill the space with
fiberglass insulation or add a baffle to eliminate the excess
clearance.
- For N400 models, if the construction of the vehicle does not
allow the distance [4] to be 41 3/4 inches, the distance
(optional only) can be as little as 36 inches (See Art01647)
if you obey the instructions that follow:
OR
- For N510 models, if the construction of the vehicle does not
allow the distance [4] to be 47 3/4 inches, the distance
(optional only) can be as little as 44 3/4 inches (See
Art01647) if you obey the instructions that follow:
- Install only 621156 vent as the lower intake vent [1].
- Add two baffles to the rear of the enclosure if there is
more than 1 inch of clearance [18] between the rear of
the refrigerator and the enclosure.
- Install one baffle [14] at the top edge of the lower
intake vent.
- Install a bent aluminum or galvanized steel sheet
baffle [15] at the lower edge of the upper exhaust
vent opening.
- Make sure that the bend of the baffle is flush
with the lower edge of the upper exhaust vent
opening.
- Make sure that the top edge of the bent baffle
is 1/4 inch or less [16] below the condenser
and that there is 1/4 inch or less clearance
[17] between the rear of the condenser and
the baffle.
- Make sure the baffles are the full width of the
inside of the enclosure.
Put the refrigerator in position (see Art01288):
WARNING: Make sure the combustion seal [15] is not
broken, is completely around the refrigerator mounting
flanges [16], and is between the mounting flanges and
the wall of the enclosure. If the combustion 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.
- Remove the door from the refrigerator (See “Reverse the
door swing” section).
- Put screws through the holes of the refrigerator mounting
flanges and into the enclosure wall.
- Attach the door to the refrigerator.
- Put a screw through the holes [17] in the braces at the lower
rear corners of the refrigerator and into the floor.
Install the Refrigerator