Kemppi MLS 2300 ACDC User Manual

Page 8

2.6

Mains COnneCTiOn

NOTE!

Only an authorised electrician is allowed to install mains cable and plug!

The machine comes equipped with a three-metre power cord with a Schuko plug. Only an

authorised electrician is allowed to replace the plug. The fuse and cable sizes are given in the

Technical data at the end of this manual.

NOTE!

This equipment’s electromagnetic compatibility (EMC) is designed for use in an industrial

environment. Class A equipment is not intended for use in residential location where the electrical

power is provided by the public low-voltage supply system.

2.7

disTribuTiOn neTwOrk

All regular electrical devices without special circuits generate harmonic currents into

distribution network. High rates of harmonic current may cause losses and disturbance to

some equipment. Equipment complying with IEC 61000-3-12.

2.8

welding Cable COnneCTiOns

The welding cables must be made of at least 16 mm² copper cable.

2.8.1 Choosing welding polarity in MMa welding

You can select the polarity electronically from the control panel, i.e. you do not have to switch

the places of the (+) and (-) connectors. Connect always the negative connector to the work

piece.

2.8.2 earthing

If possible, always fasten the earth clamp of return current cable directly onto work piece.

Clean contact surface of earth clamp from paint and rust.

Fasten clamp properly, so that contact surface is as large as possible.

Check that clamp is fastened firmly.

2.9

COOling uniT TO MasTerCOOl 20

NOTE!

Cooling liquid is injurious! Avoid also contact with skin or eyes. In case of injury, seek for

medical advice.
Cooling unit Mastercool 20 together with TIG torch Kemppi TTC-W range enables TIG welding

with water-cooled torch.
The cooling unit is installed beneath the power source with screws. Electrical connections are

on the bottom of power source. Fill the reservoir with a 20 – 40 % mixture of glycol and water,

or with any other suitable antifreeze. The capacity of the reservoir is 3 litres.

Mastercool 20

ast

Tig MLS 2300 A

y / 1112