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INSTALLATION
BASIC INSTALLATION
1. Unpack the ventilator assembly which includes the
integral ventilator with attached electrical harness
and miscellaneous hardware.
WARNING
Open and lock unit disconnect switch before
installing this accessory to prevent injury or
death due to electrical shock or contact with
moving parts. Turn thermostat to off.
Manual 2100-458C
Page
4 of 17
2. Remove and save the existing exterior blower
FIGURE 1
REMOVAL OF EXTERIOR PANELS
TABLE 1
F
O
M
O
D
E
L
F
O
L
W
A
4
2
W
A
4
8
W
A
6
0
C
R
V
S
5 -
C
R
V
P
5 -
access and service access panels on the Bard wall
mount unit. (See Figure 1.)
R
U
S
E
W
T I
H
L
O
W
N I
G
U
N
T I
S
W
H
4
2
W
L
4
2
W
H
4
8
W
L
4
8
W
H
6
0
W
L
6
0
S
H
3
8
S
H
4
3
S
H
4
9
S
H
6
1
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