protech PRO-615 - 2 Heat; 1 Cool System

R
O
B
Y1
W1
Y2
W2
G
C
120V AC
24 V
Hot
1
s
t
Stage
Cool Relay
Transformer
1
s
t
Stage
Heat Relay
2
nd
Stage
Heat Relay
Fan Relay
2 Heat / 1 Cool System
9