User's Manual

17
YN/C
W
O/B
GRCRHCY2
W2
AUX
1-stage AC
C
24V
Boiler
C
R
W
Y1
R
C
Y2
G
Fan Coil
* Remove RH/RC factory jumper
C terminal to be connected to heating
transformer common
A13345
Fig. 8 -- Boiler with Fan Coil and Single Stage Cool