Contents
3
Contents
Product Identification
1.
Introduction
5
1.1
Foreword
5
1.2
General description
7
1.2.1
Performance features of the TIGER gas shielded tungsten arc welding unit
8
1.2.2
Principle of TIG welding
10
1.2.3
Areas of application for TIG welding units
10
1.2.4
Operating principle of TIG welding units
10
1.2.5
Correct use
10
1.3
Symbols used in this manual
11
2.
Safety information
12
2.1
Safety symbols in this operating manual
12
2.2
Warning symbols on the machine
12
2.3
General
13
3.
Description of function
14
3.1
The REHM-Operating concept: Turn and Set
14
3.2
The REHM-Operators panel
14
3.2.1
General description
14
3.2.2
The operators panel at a glance
16
3.2.3
Special characteristics relating to the operating panel
17
3.3
The function of the REHM operators panel
17
3.3.1
The welding current setting I1
17
3.3.2
The Pulse-Function (Pulse time t1)
18
3.3.3
The intermediate welding current setting I2
20
3.3.4
The Pulsed Function (Pulse time t2
–
see chapter 3.3.2)
21
3.3.5
Current downslope and manual pulsing
21
3.3.6
Post flow gas time
21
3.3.7
Setting for Direct Current (DC)
22
3.3.8
Setting for Alternating Current (AC)
22
3.3.9
Wave balance
22
3.3.10
AC-Frequency
22
3.3.11 The TIG latched trigger mode (4-step)
23
3.3.12 The non-latched torch trigger mode (2 step)
24
3.3.13
TIG welding with high voltage ignition
25
3.3.15
Stick-electrode welding with the Booster-Function
26
3.3.16
Stick-electrode welding in the Fuse Hold mode
26
3.3.17
TIG - welding
26
3.3.18
The Special mode
27
3.3.19
The control LED’s
31
3.3.20
The Digital display
32
3.3.21
The Turn and Set knob
32
3.4
Anti-Stick Function
32
3.5
INTIG-Energy
33
3.6
EPC: Continuous Mains voltage monitoring
33
3.7
Resetting to Factory settings
34