Goodman TSTATG4271GT, Owner'S Manual

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IMPORTANT:
This thermostat requires both
R (24 VAC Return) and C (24 VAC Common) be
connected to the backplate terminals.
To remove the thermostat backplate:
Using the Finger Pull Areas, pull the front
housing away from the backplate.
Installation Instructions
The TouchScreen Thermostat Backplate
Fan relay G
1st stage compressor relay Y1
24 VAC return R
1st stage heat circuit/reversing valve
W1/O/B
2nd stage heat circuit W2
Y2 2nd stage compressor relay
W3 3rd stage heat circuit
C 24 VAC common
Outdoor sensor
connections
OUTDOOR
OUTDOOR OUTDOOR C R G Y1 Y2 W1/O/B W2 W3
Look for these tabs to locate the pull areas
Front Housing
Backplate
Pull out with thumbs in these areas
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