24 VAC HOT
R
C
W2
Y
G
R
C
RVS COOLING
C
W2
OTHER
HP THERMOSTAT
FA, FB, FC,
FD, FF, FH
FAN COIL
HEAT
PUMP
G
O
E
W2
E
W3
R
Y
24 VAC COM
HEAT STAGE 2
COOL/HEAT
STAGE 1
INDOOR FAN
EMERGENCY
HEAT
O
*
*
*
IF AVAILABLE
*
A97374
Fig. 9—Typical 24v Circuit Connections using Other HP Thermostats with Fan Coils and No Outdoor T
24 VAC HOT
R
C
W2
Y
G
R
W3
W2
G
RVS COOLING
E
W2
OTHER
HP THERMOSTAT
TWO
OUTDOOR
THERMOSTATS
FA, FB, FC,
FD, FF, FH
FAN COIL
HEAT
PUMP
C
O
R
C
O
INDOOR FAN
HEAT STAGE 2
COOL/HEAT
STAGE 1
24 VAC COM
EMERGENCY
HEAT
Y
E
ODT
ODT
NOTE: Remove wires from crimp nut in indoor fan coil
when installing outdoor thermostats.
IMPORTANT: When using outdoor thermostats, W
2
must be
energized when requesting supplemental heat.
EHR
EHR
EHR
*
*
*
IF AVAILABLE
*
24 VAC HOT
R
C
W2
Y
G
R
W3
W2
E
G
RVS COOLING
E
W2
OTHER
HP THERMOSTAT
ONE
OUTDOOR
THERMOSTAT
FA, FB, FC,
FD, FF, FH
FAN COIL
HEAT
PUMP
C
O
R
C
O
INDOOR FAN
HEAT STAGE 2
COOL/HEAT
STAGE 1
24 VAC COM
EMERGENCY
HEAT
Y
ODT
NOTE: Remove wires from crimp nut in indoor fan coil
when installing outdoor thermostat.
IMPORTANT: When using outdoor thermostat, W
2
must be
energized when requesting supplemental heat.
24 VAC HOT
R
C
W2
Y
G
R
DH
C
RVS COOLING
C
W2
OTHER
HP THERMOSTAT
FK4C
FAN COIL
HEAT
PUMP
G
Y/Y2
O
Y1
O
E
W1
W2
R
Y
24 VAC COM
HEAT STAGE 2
COOL/HEAT
STAGE 1
INDOOR FAN
EMERGENCY
HEAT
O
J1 JUMPER
J2 JUMPER
—6—
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