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Diagram 2
TYPICAL WIRING DIAGRAMS
2PS
BR
Heater
Contactors
Feed Water
Boiler On
3
GND
B
FU9
B
1PB
Off
2
GND
1
GND
1 HTR
C1
FU1
FU2
FU3
FU8
FU7
H1
H2
X1
X3
L3
1L1
1L3
1L2
L2L1
X2 X4
Optional Transformer
1
1
C1
2
2
C2
R
1LT
Y
On
IFS
O
1PS
O
O
W
Feed Water
Electrical
Connection
2
1
2TB
2 GND
1
HTR
FU9
1PB
Cabinet Exterior Left Side Cabinet Exterior Right Side
Panel Layout
2
HTR
C1
FU
1 2 3
C2
FU
4 2 6
1TB
1 GND
3
GND
H4
H3
2 HTR
C2
FU4
FU5
FU6
2L1
2L3
2L2
Wire Color Code
B = Black
BR = Brown
R = Red
O = Orange
Y = Yellow
G = Green
BL = Blue
W = White
Diagram 3
2PS
BR
Heater
Contactor
Feed Water
Boiler On
3
GND
B
FU6
B
1PB
Off
1
GND
1 HTR
C1
FU1
FU2
FU3
FU5FU4
H1
H2
X1
X3
L3
1L1
1L3
1L2
L2L1
X2 X4
Optional Transformer
1
1
C1
2
2
R
1LT
Y
On
IFS
O
1PS
O
O
W
Feed Water
Electrical
Connection
2
1
2TB
2 GND
1
HTR
FU6
1PB
Cabinet Exterior Left Side Cabinet Exterior Right Side
Panel Layout
2
HTR
C1
FU
1 2 3
1 GND
3 GND
H4
H3
2 HTR
2L1
2L3
2L2
2
GND
Wire Color Code
B = Black
BR = Brown
R = Red
O = Orange
Y = Yellow
G = Green
BL = Blue
W = White
* Boilers under 40 Amps total (not fused)
5