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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 (up to 1-1/2”). Locating
targets are identified on the units.
1. Select the entry point you will use to bring in your
high voltage wiring.
LIVE ELECTRICAL COMPONENTS!
During installation, testing, servicing, and trouble-
shooting of this product, it may be necessary to work
with live electrical components. Failure to follow all
electrical safety precautions when exposed to live
electrical components could result in death or serious
injury.
WARNING
!
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 field supplied conduit (up to 1-1/2”) to con-
duit nut.
Note:
Reducing bushings may be required for your
application.
Note:
When drilling access through cabinet do not
drill into any internal components. Remove internal
components before drilling through cabinet if possible.
Damage to the air handler or heater could result.
