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AC/HP Wi-Fi Thermostat
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19
WIRING
DIAGRAMS
(Con
t.)
F
u
rnac
e
T
wo Stage Cooling and/or Heating System
AC
Y1
Y2
C
Furnace
Y1
Y/Y2
W1
W2
R
C
G
Rc
G
Y/Y1
W/W1
(AUX1)
O/
B
ACC
–
ACC
+
W2
(AUX2)
Y2
C
R
H
R
A14502B
Fi
g.
10
-
-
Air
Con
dit
ioner-
-
T
wo
Stages
each
(Heat
/
Cool)
1
...
...
20
21
22
23
24
...
...
32