User's Manual

CentraLite EMS
Operations, Maintenance & Service Manual
Page 24 of 31
Make the connections as shown in Table 2 below:
Thermost
at
Function
Terminal
R
24V AC Hot
C
24 V AC Common
Y1
First stage cooling
G
Fan (1-speed fan only)
G3
or
Hi speed fan (2- or 3-speed fan)
W2
Second stage heat
G2
or
Medium Fan (3-speed fan only)
W1
First stage heat
B/O
or
Heat pump reversing valve
Y2
Second stage cooling
G1
or
Low speed fan (2- or 3-speed fan)