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HC-20C
4-2
INSTALLATION INSTRUCTIONS
HC-12C, HC-20C, and HC40C INPUT POWER JUMPER CONFIGURATIONS:
DANGER
REMOVE POWER FROM UNIT
INPUT VOLTAGE SELECT
BEFORE CHANGING CONNECTION!
A
X
Y
W
Z
B
3
4
2
1
440-480V
CONNECTION
1
2
4
3
4
3
2
1
1
2
4
3
1
2
4
3
B
Z
W
Y
X
A
1 2 3 4
220-240V
CONNECTION
A
X
Y
W
Z
B
3
4
2
1
380-416V
CONNECTION
1
2
4
3
4
3
2
1
1
2
4
3
1
2
4
3
220-240V
CONNECTION
380-480V
CONNECTION
1
4
2
3
3
2
4
1
1
2
4
3
1
2
4
3
220-240V
CONNECTION
380-480V
CONNECTION
1
4
2
3
3
2
4
1
REGULATOR (TOP) CABINET
220-240V CONNECTION
REGULATOR (TOP) CABINET
380-416V CONNECTION
REGULATOR (TOP) CABINET
440-480V CONNECTION
TRANSFORMER (BTM) CABINET
220-240V CONNECTION
TRANSFORMER (BTM) CABINET
380-480V CONNECTION
1
2
4
3
1
2
4
3
220-240V
CONNECTION
380-480V
CONNECTION
1
4
2
3
3
2
4
1
TRANSFORMER (BTM) CABINET
380-480V CONNECTION
DANGER
REMOVE POWER FROM UNIT
INPUT VOLTAGE SELECT
BEFORE CHANGING CONNECTION!
A
X
Y
W
Z
B
3
4
2
1
440-480V
CONNECTION
1
2
4
3
4
3
2
1
DANGER
REMOVE POWER FROM UNIT
INPUT VOLTAGE SELECT
BEFORE CHANGING CONNECTION!
A
X
Y
W
Z
B
3
4
2
1
440-480V
CONNECTION
1
2
4
3
4
3
2
1
1
2
4
3
1
2
4
3
B
Z
W
Y
X
A
1 2 3 4
220-240V
CONNECTION
A
X
Y
W
Z
B
3
4
2
1
380-416V
CONNECTION
1
2
4
3
4
3
2
1
1
2
4
3
1
2
4
3
B
Z
W
Y
X
A
1 2 3 4
220-240V
CONNECTION
A
X
Y
W
Z
B
3
4
2
1
380-416V
CONNECTION
1
2
4
3
4
3
2
1