W3
W2
W1/O/B
Y2
Y1
SENSOR
48
Installation Instructions
The TSTATA4271GT Thermostat Backplate
W3
3rd stage heat circuit
W2
2nd stage heat circuit
W1/O/B
1st stage heat circuit
Y2
2nd stage compressor relay
Y1
1st stage compressor relay
G
fan relay
R
24 VAC return
C
24 VAC common
SENSOR
remote/outdoor/supply/return sensor connections
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.
Look for these tabs to locate
the pull areas
Pull out with thumbs in these areas
Backplate
Front Housing
NOTE:
The backplate does not fully
cover a full size vertical junction
box. The TSTATGTAC-WP
Touchscreen Wallplate or a
single-gang, horizontally
mounted junction box would
be needed for that type of
installation
Содержание TSTATA4271GT
Страница 15: ...8 Main Menu Buttons Schedule Schedule View My Schedule Edit My Schedule...
Страница 65: ...58 Notes...
Страница 67: ...Printed on recycled paper P N 88 879 1 14 Patent Pending...