Page 28 • 700120S • ENTRON Controls, LLC.
4.0 GENERAL OPERATING REQUIREMENTS
4.1 OPERATING VOLTAGE
To insure the control will operate properly, it must be properly grounded. Proper grounding is
not only a safety precaution, it will lessen the possibility of electrical interference being introduced
into the control. Ground the control at the ground lug on the cabinet.
THIS WELDING CONTROL OPERATES ON SINGLE PHASE
208 VAC, 240 VAC, 380 VAC, 480 VAC OR 575 VAC.
When the welding control and/or welding machine is shipped,
the voltage at which it was set is marked on the tag attached
to the control terminal block.
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 and EN1001 Series 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-CTH1, TS1-CTH3, TS1-CTH2, and TS1-CTH4
must be configured to match the line voltage. For TS1 wiring, see Figure 4-1.
2. Sense Transformer: Jumpers on TS1-H1, TS1-H3, TS1-H2, and TS1-H4 must be configured
to match the line voltage. For TS1 wiring, see Figure 4-1.
Figure 4-1. Voltage operation jumpers settings
CAUTION
WARNING
For 480 VAC Operation – Use Jumpers #1
For 240 VAC Operation – Use Jumpers #2
For 380 VAC Operation – CONTACT FACTORY
For 575 VAC Operation – FACTORY WIRED ONLY
NO CALIBRATION OR CHANGE REQUIRED FOR
OPERATION ON EITHER 50 OR 60 Hz.
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