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2 x 3 Framing
1. Unpack the heater from the carton.
2. Determine the correct mounting height for the heater.
The bottom of the heater should be mounted a minimum
of 8” (20.3 cm) from the floor. The recess box is designed
so that it can be mounted between two studs within the
wall.
3. The recess box requires an opening in the wall 13.5”
(34.5 cm) high by 8 3/8” (21.5 cm) wide (see Figure 2).
The depth of the opening must be 2 7/8” (7.3 cm). This
is measured from the finished wall surface.
4. Bend the four tabs out to secure the recess box to the
drywall.
!
NOTE:
The sides of the recess box are marked with
guidelines to allow for ½” and ⅝” drywall thickness. When
installing the recess box before installing drywall, use the
depth guidelines to mount the box at the appropriate depth
for drywall thickness, and proper grille installation.
5. Remove appropriate electrical knockout and secure sup-
ply wire using an approved strain relief connector, leav-
ing 6” (15.2 cm) of wire leads in the recess box. (Figure
2)
!
NOTE:
It is only necessary to remove the knockout that
will feed the power supply wiring, keeping in mind the heater
mounting location and supply wire location on the wall.
6. Slide the spacer on to the recess box so that the front
flange of the spacer is located behind the front flange of
the recess box.
!
NOTE:
The bottom ends of the spacer may need to be
separated slightly to ensure it slides over the recess box
more smoothly and the ends may need to be bent in slightly
once installed to ensure proper fit.
7. Proceed to the wiring instructions.
Supply Wiring and Heater Installation
WARNING:
Wiring procedures and connections should
be in accordance with the National Electric Code (NEC &
CEC) and local codes.
Figure 3
Securing Tabs
Retaining Screw
Washable Filter
M
L1
L2
R
G
Cutout
Over
Temperature
Light
Control
Board
Display
Board
Motor
Heater
Temperature
Sensor
Wiring
8 3/8”
(21.5 cm)
13 1/2”
(34.5 cm)
Figure 2
Electrical
Knockouts
Front Mounting
Holes
Side
Mounting
Holes
Top Mounting
Holes
For securing Front Panel
Do not use for mounting!
Mounting
Tabs
1. Insert approximately 6” (15.2 cm) of supply wire into
recess box through the desired knockout. Wire should be
rated for a minimum of 75°C (167°F)
2. Connect power supply to terminals provided marked L1
and L2. Ground wire should be secured to green wire
provided inside of the heater assembly.
WARNING:
All units are factory prewired for operation
with the built-in thermostat. THIS HEATER IS NOT TO BE
USED WITH A REGULAR WALL THERMOSTAT.
3. Do a final and complete check of all wiring.
4. Attach heater by hanging heater on upper tabs then se-
curing at the bottom using the supplied screw. (Figure 3)
5. Insert the air filter through the bottom slot, until it clicks
into place.
WARNING:
TO PREVENT THE RISK OF FIRE OR IN-
JURY, DO NOT OPERATE THE HEATER UNLESS IT IS
FULLY ASSEMBLED.
!
NOTE:
Prior to energizing remove all construction dirt
(plaster, sawdust, etc.) from interior and exterior of heater.
