Heat-A-Ventlite
Combination
MODEL: 665ARP/665BRP
Type IC suitable for use under thermal insulation
Mount "A" unit housing (665AP) during early construction
and complete electrical wiring and ducting. Install heater,
vent, and grille assembly, (665BP) , after finished ceiling is
complete.
LOCATION
1. Mount heater to ceiling joists, or if necessary, to a header
installed between joists.
2. Caution: Do not mount heater closer than 12" to a
vertical surface. Do not mount over tub or in shower
enclosure.
3. Installation in existing construction requires an accessible
area above the desired location. Make sure that wiring
and ducting can be run to the location.
MOUNTING HEATER HOUSING
NEW CONSTRUCTION
Using Hanger Bars
Refer to Figure 1.
1. Insert hanger bars in slots provided in housing.
2. Locate heater housing between joists so that bottom of
heater housing is even with the planned finished ceiling.
3. Use screws or nails (not provided) to secure hanger bars
to ceiling joists.
Using Side Mounting Tabs
1. Locate heater housing next to ceiling joist.
2. Use wood screws (not provided) through keyhole slots in
mounting tabs to loosely attach housing to ceiling joist.
3. Adjust housing so that it will be flush with the finished
ceiling. When housing is properly adjusted, tighten screw
in slots to secure housing.
WIRING
All wiring must comply with local and national codes
and unit must be properly grounded.
1. Run 120VAC, 60 Hz supply wiring to the wall switch (not
provided). The unit must be wired on a separate 20
Amp circuit.
2. Run wiring from the switch to the housing junction box.
Loosen screw holding exterior wiring compartment cover
and remove cover. Interior wiring compartment cover
may be removed if necessary by loosening screw in
®
keyhole slot in cover. Remove knockout(s) as required
and install approved box connectors.
3. Refer to Figure 2. Connect white wires in junction box to
white (neutral) supply wire. Connect the blue wire in the
junction box to the supply wire from the vent switch.
Connect the black wire to the supply wire from the light
switch. Connect the red wire in the junction box to the
supply wire from the heat switch. Connect green ground
lead in the junction box to the supply ground.
4. Replace wiring compartment cover and tighten screw to
secure.
HEATER JUNCTION BOX
WHITE
INSTALLATION INSTRUCTIONS
READ & SAVE THESE INSTRUCTIONS!
VENT
LIGHT
RECEPTACLE
RECEPTACLE
WHITE
WHITE
WHITE
BLACK
WALL SWITCH BOX
LIGHT
VENT
HEAT
BLACK
SWITCH SHOWN IS NUTONE
ACCESSORY SWITCH HS-93
(SOLD SEPARATELY)
120VAC LINE
FIGURE 1
HEAT
RECEPTACLE
(WHITE)
GREEN
BLUE
RED
SUPPLY
GROUND
FIGURE 2