Bryant IIT2-WHS-02 Installation Instructions Manual page 19

Boiler
R
C
W
W2
AUX
* Remove RH/RC factory jumper
C terminal to be connected to heating
transformer common
Fig. 8 - - Boiler with Fan Coil and Single Stage Cool
Y1
Y2
R
C
G
W
Y2 C RH RC G Y N/C
O/B
17
Fan Coil
1-stage AC
24V
C
A13345