Installation Instructions
3
The Thermostat Backplate
IMPORTANT: This thermostat requires both R (24 VAC Return) and C (24 VAC
Common) wires be connected to the backplate terminals to operate properly.
To remove the thermostat backplate:
Gently separate the display from the
base by pulling from the center.
D / H
RS
R
G
Y1
W
O
Y2
C
CK1
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