Dometic B3200 Installation & Operating Instructions Manual page 28

4. Place the mechanical air distribution box kit inside
the caravan. This box contains mounting hardware
for the air conditioner and will be used inside the
caravan.
This completes the outside work. Minor adjustments can
be done from the inside of the caravan if required.
f. DiSCHARgE DUCT AND CEiLiNg TEM-
PLATE INSTALLATION
. Remove air distribution box and mounting hard-
ware from carton.
2. Check for correct alignment and adjust the unit as
necessary (Roof Gasket centers over the 36.2 cm
x 36.2 cm (± 3.2mm) opening.
3. Reach up into the return air opening and pull the
unit electrical and heater cord down for connection
later. See FIG. 0.
Reach In The Return Air Opening, Pull
FIG. 10
Down The Unit Electrical Cable
4. Base duct adapter
a. The duct is placed onto the base discharge
opening. The duct is installed by removing the
liner from the foam tape, and pressing the base
duct adapter in position on the base pan. The
notches are always to the rear when facing the
front of the caravan. See FIG. .
Discharge
Opening Place Flange
Of Duct on RH Side
Install Duct With
Notches To Rear
Screw
FIG. 11
b. Install hex screw to help hold the duct adapter
to base pan.
5. Install ceiling template. The large center hole goes
to the rear. Remove wire tie holding center of rear
aluminum bracket to plastic. Make sure that the
thermostat bulb is not moved during installation.
a. Plug the 9 pin cable from the unit and 3 pin
heater cable into the ceiling template. See FIG.
2.
Front
Return Air
Opening
Remove Liner
From Foam
Tape
6
fig. 12
Plug 3 Pin Heater Connector into Matching
Connector
Plug Unit 9 Pin Connector into Matching Con-
nector On Ceiling Template
b. Start each mounting bolt by hand before tight-
ening them. The 3 threaded inserts in the base
pan can be seen to aid in starting the bolts. See
FIG. 3.
FIG. 13
Ceiling
Template
Trim Duct 13 mm
to 25 mm Below
Ceiling Template
c. EVENLY TigHTEN MOUNTiNg BOLTS TO A
TORQUE Of 4.5 TO 5.5 NM (Newton Meters).
This will compress the roof gasket to approxi-
mately 3 mm. The bolts are self locking so
further tightening is not necessary.
If bolts are left loose there may not be an ad-
equate roof seal or if over tightened, damage
may occur to the air conditioner base or ceil-
ing template. Tighten to torque specifications
listed in this manual.
6. Template/duct adapter
a. Pull duct down through the template open-
ing.
b. Cut the duct 3 mm to 25 mm below the tem-
plate opening. See FIG. 3.
c. Align the template duct adapter with the tem-
plate duct hole making sure the screw holes
line up (if not, rotate /2 turn). Insert template
duct adapter into duct. Leave on loop of wire
below the duct adapter groove. Do not insert
tabs inside the duct.
d. Insert duct adapter into template and install 2
screws through the duct tabs into the ceiling
template. See FIG.4.
Start 3 Mount-
ing Bolts By
Hand