PREPARE THE UNIT (
H
orizontal exHaust installation only
7 . Remove the 6 screws (2 per side and 2 in front) retaining
the blower support plate to the top of the unit (FIG . 19) .
Carefully lift out and set aside the blower with its support
plate . The blower will be reinstalled later in the unit .
8 . From inside the unit, detach the back plate (grey part in
FIG . 20) by removing its both retaining nuts using
3/8" diameter socket . Set aside the nuts and plate .
9 . Install the back plate on top of the unit, where the blower
support plate was . Orient the holes nearby the corners
towards the back of the unit . Assemble to the top of the
unit using 6 screws previously removed in step 7 (FIG . 21) .
V
ertical exHaust installation only
10 . For rectangular ducting, use 2 included no . 8-18 x 1/4"
metal screws to attach the included 3¼" x 10" adapter
damper on top of the unit, over the blower exhaust opening
(FIG . 22) .
NOTE: The damper hinge must be towards the front of
the unit .
For round ducting, use 4 included no . 8-18 x 1/4" metal
screws to attach the included 6-in . round (or 8-in . round)
adapter damper on top of the unit, over the blower exhaust
opening (FIG . 22) .
NOTE: The damper hinge must be parallel to the sides of
the unit .
'
)
cont
d
(
'
)
cont
d
SCREWS
SCREWS
HD1428
NUTS
HD1350
HD1352
HINGE
HINGE
HJ0253
SCREWS
FIG. 19
FIG. 20
HOLES
FIG. 21
HINGE
FIG. 22
11