24
*If maximum outlet temperature rise is desired, it is recommended that W1 and W2 be wired together.
B
W2
W1
B
C
G
Air
Handler
Y1
E/W1
Typical Two-Stage Thermostat
2-Stage
Heat Pump
Outdoor
Unit
Y2
C
R
B
Y2
Field Installed
Line Voltage
-
WIRING INFORMATION
Factory Standard
-
ODD
R
Y1
Y2 G
W2
R
Y1
C
L
D
Y
Y/BL
BL
R
BR
W/R
PR
DHM
*
2-STAGE HEAT PUMP WITH ELECTRIC HEAT USING A TYPICAL
2-STAGE THERMOSTAT WITH DEHUMIDIFICATION
B
W2
W1
B
C
G
Air
Handler
Y1
E/W1
Typical Two-Stage Thermostat
2-Stage
Heat Pump
Outdoor
Unit
Y2
C
R
B
Y2
Field Installed
Line Voltage
-
WIRING INFORMATION
Factory Standard
-
ODD
R
Y1
Y2 G
W2
R
Y1
C
L
D
Y
Y/BL
BL
R
BR
W/R
PR
DHM
L
*
2-STAGE HEAT PUMP WITH ELECTRIC HEAT USING A TYPICAL
2-STAGE THERMOSTAT WITH DEHUMIDIFICATION AND A MAL-
FUNCTION LIGHT
4.10 Typical Control Wiring Connections (Cont.)
TYPICAL DUAL FUEL APPLICATION - 2-STAGE HEAT PUMP
USING A TYPICAL 2-STAGE THERMOSTAT
W1
B
C
G
Typical
Two-Stage
Thermostat
2-Stage
Heat Pump
Outdoor Unit
Y2
B
Y2
R
Y
R
C
Y1
D
W/E
W2
+
S
–
(5)
YELLOW/BLUE
RED
BROWN
YELLOW
PURPLE
BLUE
12 FT.
OUTDOOR
SENSOR (2)
NOTES:
(1) FOR PROGRAMMING THERMOSTAT IN DUEL FUEL APPLICATION SEE
(1) THERMOSTAT INSTALLATION INFORMATION.
(2) FOR REMOTE SENSOR INSTALLATION SEE THERMOSTAT INSTALLATION INFORMATION.
(3) OPTIONAL PLENUM SENSOR.
(4) FOR TWO STAGES CONNECT W2 ON THERMOSTAT TO W2 ON THE CONTROL BOARD.
(5) EMERGENCY HEAT (E) CONNECTION MAY NOT BE ALLOWED BY LOCAL CODES.
(6) 2-STAGE HP ONLY.
W1
C
G
Furnace
Control
R
W2
PS
Y2
(3)
Y1
Wiring
4.0 INSTALLATION
NOTICE:
)LHOGZLULQJPXVWFRPSO\ZLWKWKH
National Electric Code (C.E.C. in Canada) and any
applicable local code.