H Ü R N E R S c h w e i s s t e c h n i k G m b H
Nieder-Ohmener Str. 26
35325 Mücke, Germany
1
Introduction ........................................................................................................ 5
2
Safety Messages .................................................................................................. 5
2.1
2.2
2.3
2.4
Cleaning the Product .......................................................................................... 6
2.5
Opening the Unit ................................................................................................ 6
2.6
2.7
2.8
2.9
2.9.1
Mains Power Supply............................................................................................ 6
2.9.2
3
Service and Repair............................................................................................... 7
3.1
General ................................................................................................................ 7
3.2
4
5
5.1
5.2
5.3
Connecting the Fitting........................................................................................ 8
5.4
5.5
5.6
Welding Process .................................................................................................. 9
5.7
End of Welding ................................................................................................... 9
5.8
5.9
Cooling Time ..................................................................................................... 10
5.10
6
6.1
6.2
7
7.1
7.2
7.3
7.4
7.5
7.6
8
8.1
8.2
Measuring Resistance ....................................................................................... 12
8.3
Overheating Switch .......................................................................................... 12
8.4
Version July 2013
Contents
HÜRNER HST 300 GeoTherm + 2.0 User's Manual
3
EN