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24 VAC HOT
R
C
Y
G
O
RVS COOLING
W2
OTHER BRAND
HP THERMOSTAT
FA, FB, FX
FAN COIL WITH
SMART HEAT
HEAT
PUMP
E
R
C
Y
G
O
W2T
W3
W2D
Y
0
R
C
O
W2
Y
INDOOR FAN
EMERGENCY
HEAT
COOL/HEAT
STAGE 1
24 VAC COM
HEAT STAGE 2
JW1
A97581
24 VAC HOT
R
C
Y
G
O
RVS COOLING
W2
OTHER BRAND
HP THERMOSTAT
FA, FB, FX
FAN COIL WITH
SMART HEAT
HEAT
PUMP
E
R
C
Y
G
O
W2T
W3
W2D
Y
0
R
C
O
W2
Y
INDOOR FAN
EMERGENCY
HEAT
COOL/HEAT
STAGE 1
24 VAC COM
HEAT STAGE 2
CUT
JW1
ODT
A97582
Fig. 17—Typical 24-v Circuit Connections using Other HP Thermostats with Smart Heat and No Outdoor
Thermostat, 1 Outdoor Thermostat, or Supplemental Heat Relay
A97583
24 VAC HOT
R
C
Y
G
O
RVS COOLING
W2
OTHER BRAND
HP THERMOSTAT
HEAT
PUMP
E
R
C
Y
G
O
W2T
W3
W2D
Y
0
R
C
O
W2
Y
INDOOR FAN
EMERGENCY
HEAT
COOL/HEAT
STAGE 1
24 VAC COM
HEAT STAGE 2
CUT
JW1
SHR
SHR
FA, FB, FX
FAN COIL WITH
SMART HEAT
ODT
11