Low Voltage Thermostat Installation continued…
Page 2 of 4 Document #1206108 Rev 7
03/19/2024
INSTALLATION WITHOUT WHITE AND WHITE/BLACK WIRES
To configure the heater to operate with a low voltage thermostat
perform the following:
1. Mount the thermostat in the desired location.
2. Check low voltage wiring harness on the heater and determine if it
includes a white and white/black wire. If it does, skip to Step 6.
3. If the heater is NOT equipped with the white and white/black wires
shown, disconnect the 15-pin wiring harness from the processor
control board on the heater.
4. Move the yellow wire from its current position shown in Figure 3 to the 3
rd
position (Stage 2 Heat Call)
from the right on the 15-pin harness as shown in Figure 4.
HAZARDOUS VOLTAGE:
Risk of electric shock. Can
cause injury, or death. System
may be connected to more than
one branch circuit. Disconnect
power to all circuits before
Single Stage Wiring
2 Stage Wiring
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