Securely Twist
Lock B-Vent to
Adapter
Secure B-Vent to Fan Housing
with sheet metal screws
Return Air Grille
Install with Louvers
pointed down
Bracket
Can rotate
180
o
2 x 4 Wall
Fan Housing
1/2 in. (13mm)
clearance to
combustibles
must be
maintained.
2 x 4 wall
Sheet Rock
Leave 1/4" (6mm) clearance
from all 4 outer edges
Seal grille using gasketing supplied with the kit
• Install the variable speed wall rheostat (with setting on
“OFF”) in a convenient location. This switch will control
the Heat-Zone fan operation.
• Remove the junction box. Wire 110 VAC service TO
the wall rheostat and FROM the wall rheostat to the
fan junction box. Use wire nuts to secure the 110 VAC
service wires to the hot (black) and neutral (white) fan
wires and screw the 110 VAC ground wire to the junction
box. See Figure 3.19.
• Secure the return air grille to the fan housing making
sure it is flush. The grille must be installed with the
louvers pointing down.
NOTICE:
DO NOT USE ADJUSTABLE REGISTERS.
Junction Box Removed
Wire Clamp
Wire Nuts
Junction Box
Black
White
NOTICE: Secure the duct so that clearance to the fire
-
place outer wrap is maintained. Tape all seams with alumi-
num tape 1-1/4 in. (32 mm) minimum width or as specified
by local codes.)
• Seal all the way around the inside of the return air grille to
prevent hot air being drawn back into the venting system
using gasketing supplied with the kit. Leave 1/4 in. (6
mm) clearance from all four outer edges. Trim excess
gasketing. See Figure 3.18.
Figure 3.16
Figure 3.17
Figure 3.18
Figure 3.19
20
Heat & Glo • NORTHSTAR • 480-2360 Installation Manual • Rev H • 8/20/14