Carrier Programmable Dual Fuel Thermostats Installation, Start-Up, And Operating Instructions Manual page 9

VARIABLE-SPEED 80% NON-CONDENSING FURNACE
O
DUAL FUEL
THERMOSTAT
Y1
RVS COOLING O/W2
HEAT STAGE 3
Y1/W2
(FURNACE HI)
HEAT STAGE 2
W/W1
(FURNACE LO)
HEAT/COOL
STAGE 1 Y/Y2
(COMPRESSOR)
FAN G
24 VAC HOT R
24 VAC COM C
N/A B
See notes 1, 2, 3, 4, 7, and 9
RVS SENSING L
S1
OUTDOOR
SENSOR
S2
CONNECTION
ON
SUGGESTED DIP
SWITCH SETTINGS
A B C D
OFF OFF OFF OFF
→ Fig. 6—Variable-Speed 2-Stage Non-Condensing
Furnace
with Single-Speed Heat Pump
VARIABLE-SPEED
DUAL FUEL CONDENSING
THERMOSTAT
24 VAC HOT R
FAN G
HEAT STAGE 2
W/W1
(FURNACE LO)
HEAT/COOL
Y/Y2
STAGE 1
(COMPRESSOR)
RVS COOLING O/W2
HEAT STAGE 3
Y1/W2
(FURNACE HI)
C
24 VAC COM
N/A B
See notes 1, 2, 3, 4, 7, and 9
L
RVS SENSING
S1
OUTDOOR
SENSOR
S2
CONNECTION
ON
SUGGESTED DIP
SWITCH SETTINGS
A B C D
OFF OFF OFF OFF
→ Fig. 8—Variable-Speed Furnace
with Single-Speed Heat Pump
AFS
BOARD
SINGLE-SPEED
HEAT PUMP
O
FURNACE
BOARD
W2
W2
W/W1
Y/Y2 Y
G
R
R
C
C
HUM
OUTDOOR
SENSOR
SINGLE-SPEED
FURNACE HEAT PUMP
R
R
G
W2
W/W1
Y
Y/Y2
O
W2
C
C
HUM
OUTDOOR
SENSOR
VARIABLE-SPEED 80% NON-CONDENSING FURNACE
DUAL FUEL
THERMOSTAT
RVS COOLING
HEAT/COOL
STAGE 1
(COMPRESSOR LO)
HEAT STAGE 3
(FURNACE)
HEAT/COOL
STAGE 2
(COMPRESSOR HI)
24 VAC HOT
24 VAC COM
RVS SENSING
OUTDOOR
SENSOR
CONNECTION
ON
A B
OFF OFF OFF ON
→ Fig. 7—Variable-Speed 2-Stage Non-Condensing
A98447
with 2-Speed Heat Pump
DUAL FUEL
THERMOSTAT
24 VAC HOT
HEAT STAGE 3
(FURNACE)
HEAT/COOL
STAGE 2
(COMPRESSOR HI)
RVS COOLING
HEAT/COOL
STAGE 1
(COMPRESSOR LO)
24 VAC COM
RVS SENSING
OUTDOOR
SENSOR
CONNECTION
ON
A
OFF OFF OFF ON
A98445
→ Fig. 9—Variable-Speed Furnace
with 2-Speed Heat Pump
9
AFS
O
BOARD
Y1
FURNACE
O/W2
BOARD
Y1/Y2
W2
W/W1
W/W1
Y/Y2
Y/Y2
G
FAN G
R
R
C
C
HUM
B
N/A
See notes 1, 2, 3, 4, 5, 6, 8, and 10
L
OUTDOOR
S1
SENSOR
S2
SUGGESTED DIP
SWITCH SETTINGS
C D
Furnace
VARIABLE-SPEED
CONDENSING
FURNACE
R
R
G
FAN G
W/W1 W/W1
Y/Y2
Y/Y2
O/W2
Y1/W2
W2
C
C
HUM
N/A B
See notes 1, 2, 3, 4, 5, 6, 8, and 10
L
OUTDOOR
S1
SENSOR
S2
SUGGESTED DIP
SWITCH SETTINGS
B C D
TWO-SPEED
HEAT PUMP
O
Y1
W2
Y2
W3
R
C
A98448
TWO-SPEED
HEAT PUMP
R
W2
Y2
O
Y1
W3
C
A98446