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Electrical — High Voltage
Table 22. High Voltage Power Supply
The high voltage power supply must match the equipment nameplate.
Power wiring, including ground wiring must comply with national,
sate, and local codes.
Field wiring diagrams for supplementary electric heaters are shipped
with the heaters.
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Table 23. Make Electrical Connections
1. Route High Voltage wiring to unit.
2. Select a conduit entry point. Drill a hole for the desired conduit
size up to 1–1/2” diameter. A locating target is identified on these
units.
a. Select the entry point you will use to bring in your high
voltage wiring.
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.
3. Route conduit (if used) to the entry point and connect.
a. Use one hand to secure the conduit nut from inside of the
heater compartment.
b. 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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