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starting arc current to normal current for welding.
It uses to slow down the current rising rate, current
slow rise, gradually melted the artifacts, ensure that
when the welding current will suddenly increase.
The current slow down time
Current ramp down time refers to the time of from the
welding current dropped to reap arc current. It slows
the rate of decline in current and electric current to
slow down, gradually submerged arc pit, ensure the
quality of welding at the end of the welding.
Gas pre-flow
It refers to setting a suitable gas delivery time before
the arc ignition in advance. It can ensure the starting
point of the molten pool is not oxidation.
Gas stopping delay time
Gas stopping delay time means the protection gas
feeding time value after the arc winked to protect the
work piece away from the oxidation. It's very neces-
sary to continue feeding the protection gas into the
melted bath after the welding finished, as the melted
bath still needs some cooling time, as though the
winked arc could not heat the work piece any more.
This welder set inside to be about 5s (changeable
according to customer's requirements).
Welder Installation
Welder Placement
• Welder should be placed in the dry, dustless
place, without chemical caustic, flammable,
explosive gas or goods around.
• Avoiding direct sunshine or rainfall, ambient tem-
perature in the range of -10∼40°C (water cool-
ing model, 5∼40°C )
• Apparatus to exclude wind and smoke should be
equipped if the inside aeration is not sound.
Gas pipe
Gas requlator
220V∼
240V
Argon
1 phase power line
Optional switch
Connected with power source (see the
input wiring drawing)
Connect the 【Power input wire】in the behind
plate of the welder into the 220～240V power
24
Machine
Connecting gas
Torch control cable
Earth cable
Work piece
Torch
Holder
source (electricity network), with circuit breakers and
earthing wires; Forbid to input 380V power source
into the welder (380V power source will damage
the welder badly); Forbid to input the earthing wire
into the electricity network, otherwise you would
bear the results yourself.
Notice: Connect the electricity network with earth,
instead of Zero.
On/Off
Input wiring drawing
Power supply configuration of one welder:
Item
ACB（ A）
FUSE（ A）
KNIFE SWITCH（ A）
POWER LINE（mm
）
2
Note: the breaking current of fuse is twice of its rated
working current.
Connected with Argon (see the input wir-
ing drawing)
Install the decompression valve (Argon meter) onto
the Argon bottle, connect the gas hole on the Argon
bottle with the Argon input hole on the behind panel
of the welder with the gas pipe, supplied together
with the welder, tighten the holes with also supplied
loop.
Connected with work piece (see the input
wiring drawing)
Insert the quick plug of the cable into the 【Power
output "+" Electrode quick Socket】in the front
panel of the welder and tighten clockwise; The earth-
ing clamp in the another end of the cable connected
with the work piece.
220V∼ 240V
Cas input
TIG 200S PULSE
≥40
40
≥60
≥4
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