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14.2 Make Electrical Connections
STEP 1 - Route High Voltage wiring to unit.
STEP 2 - The conduit entry point is located on the
top of the unit when in the Upflow configuration.
Drill a hole for the desired conduit size (up to 3/4”)
on units without a plug. A locating target is identified
on the unit.
Note: If a hole is already present, remove the plug
from the entry point and use as is.
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 3/4") to conduit nut.
Note: Reducing bushings may be required for your
application.
STEP 4 - If an electric heater IS NOT being
installed, remove the pigtail harness from the
documentation pack and connect it to the plug
on the inside of the Heater Compartment in the
cabinet.
If an electric heater IS being installed, see
the Installer’s Guide shipped with the electric
heater.
Connect L1, L2, and ground wiring to pigtail
harness in Heater Compartment using wire
nuts. The incoming ground wiring will mate up
with the green wire shown in the illustration.
BLACK
RED
GREEN - GROUND
Conduit Entry Point
with Guides
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.
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