COMBUSTION HEAD ADJUSTMENT
Combustion head adjustment is to be made by operating on screw (A).
By turning this screw, diffuser position is changed into the draught tube which causes change in the air
passage section.
Reference index (B)
1
Minimum delivery
Medium delivery
2
3
Maximum delivery
COMBUSTION AIR ADJUSTMENT
Air shutter is operated by the motor-reducer;
close/open and 1st stage/open max. adjustments
are to be made on the cams, by turning anti-
clockwise to increase air shutter opening and
clockwise to decrease it.
Cam II Total closing position
Cam III 1st stage starting adjustment
Cam I 2nd stage starting adjustment
Cam V 2nd stage VE2 opening ok (must be
adjusted to at least 6° more than cam III.
Setting
range
HONEYWELL MT 4002B 1008
17