2
INSTALLATION
INSTRUCTIONS
Models with -IF suffix are not provided with a back-box. These
models are intended for use with Marley Model CZBB back-box
sold separately. If back-box is already installed, skip to the sec-
tion on" Installation and Wiring of Heater Fan Assembly. In addi-
tion, this heater may be recess mounted into a wall or surface
mounted using a Model CZSM Surface Mounting Frame (sold
separately).
Installation of Back-Box in New Construction
NOTE:
If the finished wall surface is already up, follow
instructions for “Installation of Back-Box in Existing Construction”.
1. Allow for the thickness of the finished surface when installing
the back-box. The front edge of the back-box must be
installed flush with the finished surface.
2. To allow box to fit squarely against wall stud, us the shim
provided with the heater as shown in Figure 1.
3. Remove one of the knockouts in the back-box and install a
cable or conduit connector.
4. Position back-box against side with studs and secure with
nails or screws as shown in Figure 1.
NOTE:
The back-box must be installed to a wall stud and
secured using nails or screws as shown in Figure 1.
5. Run power supply cable through the connector, leaving about
6” (152 mm) of wire inside the box.
6. Connect the supply cable ground wire to green colored
ground screw provided.
Installation of Back-Box in Existing Construction
1. The edge of the back-box must be installed flush with the
finished surface. If desired, a shim is provided with heater to
allow back-box to fit squarely against wall stud.
(See Figure 1).
2. Carefully cut a hole measuring 7-7/8" (200 mm) W x 10" (255
mm) H. One edge of the hole must be cut along edge of the
wall stud.
3. Bring power supply cable to heater mounting location leaving
at least 10” (255mm) of cable for wiring.
4. Remove desired knockout in back-box.
5. Install cable clamp to cable and install into back-box, leaving
at least 6” (152mm) of cable in box for wiring.
6. Connect the supply cable ground wire to green colored
ground screw provided.
7. Fit back-box into mounting hole in wall by first inserting cable
end of box then rotating box into position.
8. Secure box to wall stud using nails or screws.
NOTE:
Heaters are factory wired per nameplate voltage and
wattage. Refer to How to Reduce wattage for instructions on
reducing to half wattage if lower wattage is desired and make
change before installing heat deck.
Figure 1
cable clamp
lead holeS
nailS or ScrewS
Supply wiring
cable
TOP OF BACK BOX
TOP VIEW
RUBBER
SHIM
SHEET ROCK
2x
4
ST
U
D
To prevent a possible fire, injury to persons or damage to the
heater, adhere to the following:
1.
Disconnect all power coming to heater at main service
panel before wiring or servicing.
2. All wiring procedures and connections must be in
accordance with the National Electrical Code (NEC) and
Local Codes having jurisdiction and the heater must be
grounded.
3. Power supply may enter back-box through any knockout
provided (see Figure 1).
4. Verify the power supply voltage coming to heater matches
the ratings as shown on the heater nameplate.
CAUTION -
ENERGIZING HEATER AT A VOLTAGE GREATER
THAN THE VOLTAGE PRINTED ON THE NAMEPLATE
WILL DAMAGE THE HEATER AND VOID THE WARRANTY
AND COULD CAUSE A FIRE.
5.
CAUTION
- High temperature, risk of fire, keep electrical
cords, drapery, furnishings, and other combustibles at least
3 feet (0.9 m) from front of heater. Do not install heater
behind doors, below towel racks, or in an area where it is
subject to being blocked by furniture, curtains or storage
materials. Hot air from the heater may damage certain
fabrics and plastics.
6. To reduce the risk of fire, do not store or use gasoline or
other flammable vapors and liquids in the vicinity of the
heater.
7.
The following minimum clearances must be maintained:
Bottom of heater to floor - 4-1/2” (114 mm) - optimum
height is 18” to 24”.
Sides of heater to adjacent wall - 6" ( 152 mm) -
optimum minimum 12” (305 mm).
Top of heater to ceiling - 36” (915 mm) minimum.
8. Do not operate the heater without the grille installed.
9. Do not use this heater for dry out as the paint, plaster, saw-
dust and drywall sanding dust will permanently damage the
heater and must be kept out of the heater.
