ADJUSTMENTS
COMBUSTION AIR ADJUSTMENT
Adjustment of combustion air is effected from the outside of the cover. After
loosening screw A act on air adjustment screw B refer to the label. Once adju-
stment has been completed block screw A.
COMBUSTION HEAD ADJUSTMENT
Adjust the combustion head by acting on the screw C according to the indica-
tions shown on the index.
GAS VALVE ADJUSTMENT
The maximum delivery and the start up delivery must be set.
MAXIMUM DELIVERY ADJUSTMENT
- Assemble a gauge to measure the gas pressure at the burner head.
- Open the gas valve to the maximum.
- While the burner is working, act on the stabilizer until the required delive-
ry is reached (read the meter): read the pressure value on the gauge.
- Act on the valve adjustment by turning the valve towards off until the
pressure on the gauge just hints at decreasing. At this point the maxi-
mum delivery required is set and controlled by both the stabilizer and the
gas valve.
VALVE ADJUSTMENT MULTIBLOC MB-DLE.../B01
1 Opening speed adjustment
2 Delivery adjustment
3 Stabilizer adjustment
4 Locking screw
After loosening screw 4, turn the locknut 2 clockwise to obtain
minimum delivery, anticlockwise for maximum delivery. Once
adjustment is completed block screw 4 again.
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Reference index
Gauge