Honeywell Home T10 Pro RedLINK Manual page 12

T10 PRO SMART THERMOSTAT WITH REDLINK
S L/A
5
S O/B
Y
AUX
Y2 E
G
C
U
U
1
3
2
G
C Y2 Y L O
1 COMMON REQUIRED.
2 L ONLY CONNECTED IF HEAT PUMP HAS A FAULT TERMINAL.
3 SOME HEAT PUMPS USE B RATHER THAN O FOR REVERSING VALVE.
4 DIFFERENT HEAT PUMP MODELS LABEL THE AUXILIARY HEAT TERMINAL
DIFFERENTLY THAN SHOWN. CONSULT HEAT PUMP WIRING GUIDE.
LOCKOUT OF AUX HEAT ON HIGH OUTDOOR TEMPERATURE CAN BE
5 DONE THROUGH ROUTER/INTERNET CONNECTION AND HOME APP OR
WIRE C7089U1006 TO THE TWO "S" TERMINALS.
6
DO NOT CONNECT ANY WIRE TO W FOR HEAT PUMP APPLICATIONS!
THIS CAN CAUSE HEAT TO RUN CONTINUOUSLY.
7
MOST HEAT PUMPS SHARE THE SAME SET OF HEAT STRIPS FOR AUX AND
EM HEAT. IN THOSE CASES E ISN'T USED. IF SEPARATE AUX AND E WIRES
ARE USED, WIRE ONE SET OF STRIPS TO E TO BE ENERGIZED IN EM HEAT
AND A DIFFERENT SET OF STRIPS TO AUX TO BE ENERGIZED IN AUX HEAT.
Fig. 24. 3H/2C heat pump with electric aux heat.
Whole house humidifier, dehumidifier, or ventilator wiring
Using U Slider Tab
Fig. 26. Wired to humidifier, dehumidifier, or ventilator
with built-in transformer.
33-00462—01
3H/2C HEAT PUMP WITH
ELECTRIC AUX HEAT.
A
W2
7
W
6
K
R
Rc
R/Rc
SWITCH UP
4
HEAT PUMP/
AIR-HANDLER
AUX R
M37821
Humidifier,
dehumidifier,
or ventilator
M37823
S
5
S
Y
Y2
G
C
U
U
1 2
C
G Y
1 COMMON REQUIRED.
2 L ONLY CONNECTED IF HEAT PUMP HAS A FAULT TERMINAL.
3 SOME HEAT PUMPS USE B RATHER THAN O FOR REVERSING VALVE.
4 THE HEAT PUMP AND FURNACE HAVE SEPARATE BOARDS. WE SHOW
THEM TOGETHER TO SIMPLIFY THE DIAGRAM. W IS FROM THE
FURNACE BOARD.
5 BALANCE POINT LOCKOUT CAN BE DONE THROUGH ROUTER/
INTERNET CONNECTION AND HOME APP OR WIRE C7089U1006
TO THE TWO "S" TERMINALS.
6 DO NOT CONNECT ANY WIRE TO W FOR HEAT PUMP APPLICATIONS!
THIS CAN CAUSE HEAT TO RUN CONTINUOUSLY.
Fig. 25. Dual fuel 2H/1C heat pump.
12
DUAL FUEL
2H/1C HEAT PUMP
A
L/A
O/B
AUX
W2
E
W
6
K
R
Rc
R/Rc
SWITCH UP
3 4
FURNACE/
HEAT PUMP
L O W R
M37565A