Lamtec GFI 48 Operating Instructions Manual page 41

5 Commissioning
Connection Design C to external housing
Fig. 5-14 Connection Design C to external housing Ex-Zone I
Design C: Electrically connect the pilot burner
Fig. 5-15 Connect pilot burner version C
High voltage on the bare ignition electrode!
 Pilot burner is only permitted to be operated with correct earthing.
 In the event of damage to the earthing insulation, the device should be shut down; further
DANGER!
With version C in particular there is a danger of death when removing or omitting the earth-
ing, the housing earthing must be connected directly to the ignition transformer earthing!
operation without repair is not permitted.
40
Connect the pilot burner
cables as follows
No. Wire colour
1 bl
2 bl Neutral conductor
3 bl Ignition transformer N
4 bl Ignition transformer L
5 bl
6 bl
PE gn/ye Protective conductor
Function
Phase
-N
TR
-L
TR
COM
NO