Xnexus NXT200 AC/DC, Instruction Manual

Page: 5 / 18

Instruction manual NXT200/250 AC/DC page 5
MAINTENANCE
Insufficient maintenance may result in reduced
operational reliability and could invalidate guarantee.
The NXT welding machines require virtually no
maintenance. However, exposure to extremely
dusty, damp or corrosive air can be damaging to
welding equipment.
Periodically maintenance
In order to prevent problems arising, the following
procedure should be observed at least once a year
or as required.
- Disconnect the machine from the mains supply
and wait 2 minutes before removing the covers.
- Clean the fan blades and the internal components
in the machine with clean, dry, low pressure
compressed air.
Calibration
The machine has been calibrated at the factory. The
certificate is valid for one year. If further
maintenance, or re-calibration is required, please
contact your NEXUS distributor or service depart-
ment.
7 pin Plug connections
The functions of the 7 pin remote plug are as follows:
Pin 1 = red, water cooling
Pin 2 = black, torch switch
Pin 3 = not connected
Pin 4 = brown, water cooling
Pin 5 = not connected
Pin 6 = grey, torch switch
Pin 7 = not connected
TECHNICAL DATA
NXT200 AC/DC
Mains voltage 1x230 V
PFC (power factor correction) Yes
Duty cycle 100 % TIG 140 A 40°C
Duty cycle 100 % MMA 130 A 40°C
Duty cycle 40 % TIG 200 A 40°C
Duty cycle 40 % MMA 170 A 40°C
Open circuit voltage 60 V
Current range TIG 7 – 200 A
Current range MMA 7 – 170 A
Dimensions (LxWxH) mm 205x345x475
Weight 20 kg
NXT250 AC/DC
Mains voltage 3x400 V
Duty cycle 100 % TIG 150 A 40°C
Duty cycle 100 % MMA 150 A 40°C
Duty cycle 35 % TIG 250 A 40°C
Duty cycle 35 % MMA 200 A 40°C
Open circuit voltage 65 V
Current range TIG 7 – 250 A
Current range MMA 7 – 200 A
Dimensions (LxWxH) mm 205x345x475
Weight 20 kg