Trane TZEMT400BB32MAA CAUTION: EQUIPMENT DAMAGE HAZARD, START HERE IF, You have a GAS furnace, You have an ELECTRIC furnace or air handler, Electric, Heat, Furnace, Pump

6 Identify your System Type from the list below.

You will need to check your wire labels to help identify the system type.

START HERE IF	OR	START HERE IF
You have a GAS furnace		You have an ELECTRIC furnace or air handler

Does NOT have

W2 or Y2 wire label

Has a

W2 or Y2 wire label

Does NOT have an	Has an O or B
O or B wire label	wire label

Gas Furnace	Gas Furnace
Single Stage	Multi Stage
	W2 label = multi stage heating
	Y2 label = multi stage cooling
		Electric		Heat
		Furnace		Pump
		Does NOT have	Has a	Does NOT have	Has a
		W2 or Y2 wire label	W2 or Y2 wire label	Y2 wire label	Y2 wire label

Electric	Electric	Heat Pump	Heat Pump
Furnace	Furnace	Single Stage	Multi Stage
Single Stage	Multi Stage

W2 label = multi stage heating

Y2 label = multi stage cooling

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.

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