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8 Adjusting the outlet stagnation pressure
7.2.3 Decreasing the gas flow rate
8 Adjusting the outlet stagnation pressure
8.1 Setting the outlet stagnation pressure
1
4
1
Power supply
2
Shunt connection to the cable assembly
Fig. 4
Connecting the EWR
EN - 10
1 To reduce the gas flow rate, press the - arrow button (12).
2 Any key press will reduce the gas flow rate by 1 l/min.
3 The decrease is indicated by one or more green LEDs lighting up below the
orange LED (2).
4 To save the set value, wait for 5 seconds, before interrupting the power
supply or making further settings.
The EWR gas monitoring system is pre-programmed to refill the gas hoses. If no
welding is taking place, the pressure can be adjusted in accordance with the
hose length from the solenoid valve on the welding unit prior to the welding
process.
3
EWR connection to the power
source
NOTICE
• With the factory setting, the outlet stagnation pressure between the EWR
outlet and the subsequently connected solenoid valve is 0.6 bar.
Hose length
< 8 metres
9–18 metres
19–40 metres
> 41 metres
Tab. 7
MIG/MAG standard values
3
2
Outlet stagnation pressure
approx. 0.4–0.6 bar
approx. 0.8–1.0 bar
approx. 1.2–1.4 bar
approx. 1.6–2.0 bar
EWR
4
Gas supply
BAL.0253.0 • 2017-04-07
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