Delta Performance PG-25 Installation And Maintenance Manual page 50

Internal Wiring
Room T -Stat
Snap-Set
C
B
B
Relay R2
BL BL
1 3
B B
4 6
T
T
T
14 13 12 11 10 9 8 7
T
Y
BL
OR
G
C 1
2
Secondary T-Stat
T1 T2
Burner
Snap-Set
Fig. 30: Factory Wiring Schematic
Burner
LWCO
Snap-Set
1
L1
B
B
B
Relay R1
1 3
R
4 6
V
R
BL
Y
BL
B
V
V
Y
6 5
P
R
B
B
C
2
Auto Reset
Manual Reset
Safety Limit
B
Safety Limit
On-Off
Switch
Circulator
N
B
W
W
Y
Transformer
B
W
G
B
3 2 1
4 G
W
G
G
P
Y
V
B
G
G
1
C 1
2
Primary T-Stat
43
120V Field Wiring (By Others)
120V Factory Wiring
24V Factory Wiring
B - Black
BL - Blue
P - Pink
V - Violet
Y - Yellow
R - Red
OR - Orange
T - Tan
W- White
G
120 V Incoming
N
Supply Wiring
H