7 Commissioning
7.5
Check the extraction volume flow at the nozzle of the fume extraction
torch
In accordance with DIN EN ISO 21904 the fume extraction torches are marked compliant with
standard at the torch connection. To ensure the minimum volume flow, the extraction volume flow
must be set and checked using a test rig.
Figure 4 Checking extraction volume flow using test rig
Minimum volume flow in accordance
1
with DIN EN ISO 21904 not reached
See the label of the connection piece for the respective fume extraction torch for the necessary
1.
extraction volume flow at the extraction nozzle.
Check that the fume extraction torch is connected to the fume extraction unit properly.
2.
Switch the main switch of the welding power source and the fume extraction unit (system-
3.
specific) on. Operator Controls and Connections
Set and check the value for extraction volume flow for the respective torch type on the fume
4.
extraction unit or using a suitable test jig.
Set the extraction volume flow at the fume extraction unit with the aid of the test jig. Note that
5.
this test jig is not a measuring instrument.
EN - 20
xFUME™ ADVANCED HP 230V – CSA
1
Minimum volume flow in accordance
2
with DIN EN ISO 21904 reached
2
BAL.0814.0 • V01