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THIS WELDING CONTROL IS A MULTI-VOLTAGE UNIT WHICH CAN BE
CHANGED FROM ONE VOLTAGE TO ANOTHER BY RE-ARRANGING JUMPERS
ON THE TERMINAL STRIP FOUND INSIDE THE UNIT. IF THE CONTROL IS
USED ON A VOLTAGE OTHER THAN THE ONE FOR WHICH IT IS WIRED,
SERIOUS DAMAGE CAN RESULT.
It is possible to operate the EN1000 control at 208, 240, 380, 480, and 575 VAC. When a
380 or 575 VAC main is desired, please consult the factory. When the control is converted
from one line voltage to another, there are three changes required.
1. Control Transformer: Jumpers on TS1-L2/CTH4, CTH2, CTH3, and L1/CTH1
must be configured to match the line voltage.
2. Sense Transformer: Jumpers on TS1-H4, TS1-H2, TS1-H3, and TS1-H1 must be
configured to match the line voltage.
3. Valve Transformer: Jumpers on the valve transformer H1, H3, H2, and H4 must
be configured to match the line voltage.
230 Volt Operation Jumpers
Customer Terminal Strip TS1:
Jumper H1/H3 and H2/H4
CTH1/CTH3 and CTH2/CTH4
Valve Transformer:
Jumper H1/H3 and H2/H4
460 Volt Operation Jumpers
Customer Terminal Strip TS1:
Jumper H3/H2
CTH3/CTH2
Valve Transformer:
Jumper H3/H2
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