Main components key
1
Pressure point upstream from the valve
2
Ignition "STEP" regulator for liquid gas
3
Plug
4
Safety cap
5
Pressure adjustment screw for maximum power
6
Pressure adjustment screw for minimum power (1st stage)
7
"O RING"
Electrical connections key
= Connections powered for minimum power (1st stage)
= Connections powered for maximum power (2nd stage)
To measure the burner gas pressure, use the pressure point on the gas manifold pipe of the
burner assembly (see part 15 in Fig. 24)
78
Opening the safety cap
Valve
Honeywell
VR 4601 QB
B
C
A
fig. 14
cod. 3540P900 - Rev. 01 - 03/2018
GASTER N 51 ÷ 102 AW
Decrease
Increase