88-4YCA4001-1A-EN
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Figure 11. Power Connections
Contactor
Unit Ground Lug
Table 9. Field Wiring Diagram
From drw D758087P03 Rev A
Notes:
1.
Fused disconnect size,
power wiring and
grounding of equipment
must comply with
codes.
2.
Be sure power supply
agrees with equipment
and heater nameplate.
3.
Low voltage wiring to
be 18 AWG minimum
conductor.
4.
The thermostat on the
Gas/ Electric unit must
provide a ”G” signal in
the cooling mode only.
During the heating
mode the fan will be
energized by the
system.
5.
For single stage
thermostats jumper W1
and W2 together.
Second stage heat will
begin 10 minutes after
first stage
