INSTALLATION
WARNING: To reduce the risk of fire, do not store or use gasoline or other
flammable vapors and liquids in the vicinity of the heater.
CAUTION: High temperature, risk of fire, keep electrical cords, drapery,
furnishings, and other combustibles at least 3 feet (0.9 m) from the front of
the heater and away from the side and rear.
8. For best results, choose a location which allows fan to be vented outside
with the shortest possible duct run and the fewest number of elbows.
9. Position unit between joists and extend mounting brackets. Position brackets
such that the bottom edge of housing will be flush with finished ceiling.
Mark the top of keyhole slot on all four mounting brackets. (FIG. 6)
10. Remove unit temporarily, and pound nails partially into joists at all four
marked locations. (FIG. 7)
11. Hang unit from nails and use embossed measuring guides to check if unit
will be flush with finished ceiling. Pound nails tight. For wide joist centers:
A #8 x 3/8 self-tapping screw can be used to join extended brackets together
and create a rigid mount. To ensure a noise-free mount, crimp the bracket
channels tightly around mounting brackets. (FIG. 8)
12. Snap the damper/duct connector onto housing. Make sure that tabs on the
connector lock in housing slots. (Top of damper/duct connector will be flush
with top of housing.) (FIG. 9)
NOTE: Make sure damper flap is in place inside of duct connector. If it is
not: Squeeze top and bottom of connector to snap flap back into place.
(FIG. 10)
Installation work and electrical wiring must be done by a qualified person(s)
in accordance with all applicable codes and standards, including fire-rated
construction codes and standards.
13. Wire unit according to Figure 11 or 12, whichever is appropriate. (See NOTE.)
STEP 14 - MODELS 655, 659 & 659F ONLY
14. Replace heater assembly removed in STEP 3 and plug it into RED receptacle.
Direct wires away from blower inlet.
15. Replace fan assembly removed in STEP 5 and plug it into BLACK receptacle.
CAUTION
To avoid the possibility of overheating and/or re, the grille must be
installed as shown in FIG. 13. Acorn nut and tooth washer must attach
to threaded rod through proper hole in light reector.
16. Slide the light reflector into opening in grille and plug into WHITE receptacle.
Use acorn nut and tooth washer from plastic bag to attach grille reflector
assembly to threaded rod on housing. Tighten securely using pliers or nut
driver. Install a light bulb 100 Watt maximum. (FIG.13)
17. Install light lens by 1) hooking one of its tabs into notch in grille/reflector
assembly; 2) apply light pressure to other tab with fingertips and 3) snap
into place. (FIG. 14)
FIG. 6
FIG. 7
FIG. 8
EMBOSSED
MEASURING
GUIDES
FIG. 9
FLUSH
NIVEL
NOTE
WIRE
OPENING
RELEASE SLOT
If the switch has not been wired properly and wires need to
be moved:
1. Each wire opening has a release slot.
2. Push a small nail or screwdriver into release slot while gently
removing wire.
3. DO NOT pull any wire out of the switch without using the
release slot. The switch may be damaged.
FIG. 10
FIG. 11
MODELS 655, 659
RED
120 VAC LINE IN
LIGHT
VENT
RESPI-
HEAT
GROUND
RED
BLACK
GROUND
RED
BLUE
WHITE
BLACK
LIGHT
VENT
WHITE
GRD
120 VAC LINE IN
BLACK
WHITE
BLACK
GRD
RED
BLUE
FIG. 12
MODEL 657
BLACK
NEGRO
RED/ROJO
GROUND
FIG. 13
FIG. 14
2
3
1
THREADED ROD
LIGHT
REFLECTOR
ACORN
NUT
TOOTH
WASHER
GRILLE
USE THIS HOLE
BOTTOM VIEW
OPERATION
Before using heater, make sure heater has been properly
installed according to installation steps beginning with the
"PREPARATION" section on page 1.
MAINTENANCE
TO REPLACE BULB
Remove lens by gently depressing sides and pull down. Use
bulb rated up to 100 watts only.
LUBRICATION
The heater is permanently lubricated and never needs oiling
or disassembly.
CLEANING
Clean heater once a month as follows:
1. Turn off power at service panel.
2. Make sure heating element is cool.
3. Use a soft brush attachment to gently vacuum grille open-
ings or wipe grille clean with a soft cloth.
4. Restore power.
CAUTION: METAL AND ELECTRICAL PARTS SHOULD NEVER
BE IMMERSED IN WATER.
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