FORM: 9480 ECO 1-7255 REV. 01/17
1 OF 4
3480/RCH SERIES
INSTALLATION
INSTRUCTIONS
GENERAL INFORMATION
MOUNT HORIZONTAL POSITION ONLY.
DO NOT INSTALL ANY CLOSER THAN 12” TO NEAREST WALL
MAXIMUM MOUNTING HEIGHT 12 FEET.
CHECK TO SEE THAT SERVICE VOLTAGE IS THE SAME AS HEATER VOLTAGE.
ALL WIRING MUST CONFORM TO THE NATIONAL ELECTRIC CODE AND EXISTING LOCAL CODE REQUIREMENTS.
INSTALLATION INSTRUCTIONS:
1. Detach heater unit from the ceiling mounting plate in the
recessed can by disengaging the stabilizing arms on
ceiling plate from the heater unit. 4 -
#8 drive screws.
2. For a dropped or suspended ceiling, anchor the recessed
can using either threaded rod, or wire in an approved
method that is sufficient to support the heater assembly
such that the bottom edge of the recessed can just
rest on the T-bar frame. For plaster or similar finished
ceilings, the can should be installed so the flanges (of
the can) are even with the interior finish or ceiling line.
3.
For plaster or other similar finish ceilings attach the
PT3480 accessory plaster frame to the recessed can
using 8 -
#8 x 3/4 drive screws
. (detail “AA”)
4. Hang heater unit from two stabilizing arms on the ceiling
mounting plate in the can. Be sure to engage the two
arms with the hooked ends on the ceiling plate with the
slots in the heater plate.
5. Connect the heater leads with their corresponding
supply leads in the outlet box (75
O
C wire must be used).
The outlet box is permanently attached to the top of
the can. After this is complete, install the ceiling plate
access hole cover with 2 -
#8 drive screws
which have
been provided.
6. Swing the heater unit up to the ceiling mounting plate
and secure with 4 -
#8 drive screws
that have been
provided. Do this by placing one screw in each of the
four stabilizing arms on the ceiling plate.
7.
Install heater exterior grille by attaching it directly to the
heater unit. Rotate the exterior grille so that the two
1/4” dia. holes in the exterior grille align with the manual
reset limit control located on the bottom of the venturi
of the heater assembly, also make alignments so that
the venturi of the heater assembly is on the outside the
venturi of the exterior grille. Secure to the four bracket
arms on the heater case with 4 -
10/32 x 3/4 button
head machine screws
provided.
WARNING:
To avoid the risk of fire, shock or personal injury; make sure that the power source is disconnected before
attempting to install, service, clean or disassemble the heater or any of its components. If the power disconnect is out of the
line of sight, lock in in the open position and tag it to prevent the application of power.
IMPORTANT: OWNER SHOULD RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
NOTE: If plaster frame is required for installation
order it as an option.
ATTENTION: Read carefully
before attempting to install
or operate the heater.
HANG HEATER UNIT FRO
M
TWO STABILIZING ARMS ON TH
E
CEILING MOUNTING PLATE IN THE CA
N
RECESSED HARD SURFACE
INSTALLATION
RECESSED T-BAR
INSTALLATION
RECESSED
DETAILS
EACH
CORNER
HEATER
BOX
T-BAR
BY OTHERS
HEATER
BOX
PT3480
1
4
2
7
