24
RH
W2
W1
RC
C
O
Y2
Y1
G
AUX
Reversing
Valve
HVAC System Control Board
C
RC
C
RC
G
Y1
O
Compressor
Stage 1
Fan
C
R
Run
Fur
nac
e P
ow
ered
AU
X D
evic
e
Heat Pump
Furnace
Heat Pump
GLAS smart thermostat installation instructions -
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2018 Johnson Controls