Lamtec GFI 48 Operating Instructions Manual page 38

5 Commissioning
Connect gas and air supply
NOTICE
The quality for the compressed air supply should conform to ISO 8573-1:2010 class ( 7 : 4 : 4
). Non-observance can result in short-circuits due to material deposits in the housing.
NOTICE
At temperatures in the combustion chamber of over 500°C (932 °F), if the pilot burner is off, a
cooling air supply of 50% of the max. combustion air should be provided.
Fig. 5-9 Connect gas and air supply
Thread Torque
1/8" 5 Nm
1/4" 7 Nm
1/2" 10 Nm
3/4" 15 Nm
37
1. Conduct the gas and air supply lines
through
to the pilot burner through the control
devices.
2. Remove the transport safety devices
from the connections.
3. Connect air supply to "A" (Air).
4. Connect gas supply to "G" (Gas).
5. Observe the torques from the table
when tightening the screw connections!
Thread Torque
1" 15 Nm
1 1/2" 20 Nm
2" 25 Nm