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Section 14. Electrical - High Voltage
14.1 High Voltage Power Supply
The high voltage power supply must match the
equipment nameplate.
Power wiring, including ground wiring, must comply
with national, state, and local codes.
Field wiring diagrams for supplementary electric
heaters are shipped with the heater.
14.2 Make Electrical Connections
STEP 1 - Route High Voltage wiring to unit.
STEP 2 - Select a conduit entry point. Drill a hole
for the desired conduit size on units without a plug.
A locating target is identified on these units.
Note: Some models may have a pre-molded
conduit connection with plug. If a connection hole
is already present, remove the plug from the entry
point and use as is.
1. Select the entry point you will use to bring in
your high voltage wiring.
2. Remove plug from the entry point.
LIVE ELECTRICAL COMPONENTS!
During installation, testing, servicing, and troubleshooting of this
product, it may be necessary to work with live electrical com-
ponents. Failure to follow all electrical safety precautions when
exposed to live electrical components could result in death or
serious injury.
Conduit Entry Points
STEP 3 - Route conduit (if used) to the entry point
and connect.
1. Use one hand to secure the conduit nut from inside of
the heater compartment.
2. Connect a field supplied 3/4" or 1-1/2" conduit to
conduit nut.
Note: Reducing bushings may be required for your
application.
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