protech PRO-615 - Typical Wiring Diagrams; 2 Heat; 2 Cool System

Typical Wiring Diagrams
2 Heat / 2 Cool System
8
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
Stage
Cool Relay
Fan Relay
2
nd