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Boiler or radiant system with air handler and conventional cooling or heat pump.
C
RC
RH
W1
W2
AC+
AC-
Y1Y2RCG
Air handler
Y1Y2CO/B
Air conditioner or
Heat pump
W1RW2
Boiler
Stage 2 heat and
cool if applicable
*Reversing valve
for heat pumps only
Note:
Do not jumper RC or RH
RT+
RT-
S
G
Y1
Y2
O/B
5554
RT+
RT-
S
G
Y1
Y2
O/B
Accessory devices
The T29 can control an accessory HVAV device like a humidifier, dehumidifier, or
ventilation device from its AC terminals
Note:You will need to configure the accessory device when you first power on your T29.
2-wire accessory (ventilator)
C
RC
RH
W1
W2
AC+
AC-
RCGYWWire1 Wire2
Furnace control board
Accessory
Note:
Do not jumper RH or AC+
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