A SERVICE OF

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Identify your System Type from the list below.
You will need to check your wire labels to help identify the system type.
CAUTION: EQUIPMENT DAMAGE HAZARD
Improper system type selection can lead to equipment damage or high utility costs. Follow the System Type table
carefully to properly select and setup the control to ensure proper heating and cooling system operation.
Gas Furnace
Single Stage
Gas Furnace
Multi Stage
W2 label = multi stage heating
Y2 label = multi stage cooling
Electric
Furnace
Heat
Pump
Electric
Furnace
Single Stage
Electric
Furnace
Multi Stage
W2 label = multi stage heating
Y2 label = multi stage cooling
Heat Pump
Single Stage
Heat Pump
Multi Stage
Does NOT have
W2 or Y2 wire label
Has a
W2 or Y2 wire label
Does NOT have an
O or B wire label
Has an O or B
wire label
Does NOT have
Y2 wire label
Has a
Y2 wire label
START HERE IF
You have a GAS furnace
START HERE IF
You have an ELECTRIC furnace or air handler
Does NOT have
W2 or Y2 wire label
Has a
W2 or Y2 wire label
OR