Kemppi MasterTig ACDC 3500W User Manual

21
MasterTig ACDC 3500W© Kemppi Oy 2021 R01
OPERATING MANUAL
2. Feed in the digits of the code in the same way as when
opening the machine. The code locking will be
removed after you have fed in the last digit.
3. Turn the machine o. The machine is now ready for
use.
3.6.4 Changing the code
1. Remove the code locking in accordance
with the above instruction.
2. Install the code locking again.
4. COOLING UNIT
P
e
1
2
43
1. no pressure
2. overheated liquid
3. gas- / water-cooled; torch GAS / WATER
4. test run of the circulation of the liquid TEST
Filling in the liquid and checking the liquid level is done by
pulling open the hatch in the lower part of the machine so
that you can see the lling hole for the liquid. The cooling
units tank is lled with 20 – 40 % glycol / water mixture
according to antifreeze requirements. Instead of glycol /
water mixture you can also use another liquid according
to your experience.
The circulation of the liquid is operation-controlled,
which means that the liquid is circulating only during
welding and for a while after the welding.
5. INTERNAL PROTECTIONS OF THE
MACHINE
5.1 Overheating protection
The yellow signal light of the overheating protection
comes on and the machine stops when the machine has
overheated. The machine may overheat if the machine is
loaded for a long time with a current higher than 100 %
of the duty cycle or when the circulation of the cooling
air is prevented.
5.2 Over-voltage protection of the mains
supply voltage
If the over-voltages in the mains supply are so high
that they can endanger the machine, the supply of the
machine is immediately turned o. If the over-voltages
are short in duration, this may be seen as short breaks
in the current. The signal light of the panel showing an
over / under-voltage comes on during a long period of
over-voltage.
5.3 Protection of a water-cooled torch
If the switch of the cooling unit is in the position for an
gas-cooled torch and you start welding with a water-
cooled torch and a current is over 60 A, the welding is
broken.

Kemppi MasterTig ACDC 3500W Specifications

General

Brand	Kemppi
Model	MasterTig ACDC 3500W
Category	Welding System
Language	English