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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
VOLTAGE REDUCTION DEVICE (VRD)
The VRD is a safety feature that It is also known as “Anti-shock”. It’s function is
to lower the open circuit voltage across the output terminals to a safe 12V
when the welder is not in use.
As soon as the welder is used (a load
of 200 ohms or less is detected), the
voltage will increase to the full output
to enable welding to commence.
The “VRD” will only turn the output of
the welder back to a reduced output
state of 12 volts once the electrode Is
removed from the work piece or if
the resistance across the output rises
above 200 ohms.
If you wish to turn off this feature, set the VRD option on the menu panel to OFF
by pressing the MENU control and turning the control knob. We recommend
that you leave it switched ON.
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