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INSERT COTTER PIN
THRU OPENING IN BOLT
AFTER TIGHTENING OF NUT.
COTTER PIN
1/2-13 UNC HEX NUT
1/2" SPRING LOCK WASHER
1/2" FLAT WASHER
Figure 4
C.3 Electrical
WARNING. Disconnect heater from power supply
before installation of the heater. Lock the switch
WARNING
in the "OFF" (open) position and/or tag the switch
to prevent unexpected power application.
Installation and wiring of the heater must adhere
to all applicable codes.
C.3.1
General
1.
Use only copper conductors and approved Type
4X wiring methods during installation. Refer to the
"Technical Data" table and heater data plate for
conductor rating.
2.
External overcurrent protection is required. Refer to
the "Technical Data" table and heater data plate for
voltage, amperage, and frequency. Supply voltage is
to be within 10% of the data plate voltage.
C.3.2
Field Wiring
1.
Heater is supplied with an enclosure that has
2 standard 3/4" trade size conduit openings to
accommodate the line conductors or external
thermostat connection.
MOUNTING BRACKET
BOLT, 1/2-13 x 1 1/4" LG, HEX HEAD
(WELDED TO BRACKET)
INSERT COTTER PIN
THRU OPENING IN BOLT
AFTER TIGHTENING OF NUT.
(2 PLCS)
MOUNTING BRACKET
COTTER PIN
1/2-13 UNC HEX NUT
1/2" SPRING LOCK WASHER
1/2" FLAT WASHER
- FULL 360° ROTATION
WHEN HEATER IS
PARALLEL TO GROUND.
- ROTATION OF HEATER TILTED
AT 45° IS OFFSET AT 45°
FROM CENTER LINE.
HEX NUT, 1/2-13 UNC
1/2" SPRING LOCK WASHER
1/2" FLAT WASHER
1/8" THICK SHEET METAL
COTTER PIN
Figure 5
2.
Heater may be supplied with a factory-installed built-
in room thermostat. On heaters not supplied with
this option, a remote thermostat is required. Connect
the remote thermostat conductors to the terminal
block marked T1, T2 and Ground. Any thermostat
used with this heater must be:
a.
Listed or Approved
b.
Type 4X rated*, and
c.
Rated at 120 volt minimum and 5 amp minimum.
d.
*An appropriate Type 4X rated room thermostat is
available from the factory.
C.3.3
Final Inspection
1.
Before application of electrical power:
a.
Check that all connections are secured and
comply with the applicable code requirements.
b.
Confirm that the supply voltage is compatible
with the data plate specifications.
c.
Remove any foreign objects from the heater.
d.
Ensure all external fittings and enclosure covers
are secured.
e.
Ensure that the fan rotates freely.
f.
If equipped, ensure manual reset high-limit has
been reset.
BOLT, 1/2-13 x 1 1/4" LG, HEX HEAD
(WELDED TO BRACKET)
3/8" CLEVIS PIN
w/ COTTER PIN
1/2" CLEVIS PIN
w/ COTTER PIN
BOLT, 1/2-13 x 1 1/4" LG, HEX HEAD
(WELDED TO BRACKET)
7
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