pag.22
B
LB 1377
MULTICALOR 170.1 -200.1 PR / MD
ADJUSTING THE INTERMEDIATE BURNER CAPACITY
Using the selector, start the servomotor (closing or opening) and position on 0 to stop the stroke; the adjustment is
made as outlined below. Repeat the operation for the other cam points.
Adjustment the intermediate gas flow rates (see figure, detail 3): - using a suitable Allen wrench, change the position of
the cam guide blade; if you screw it down, the flow rate is reduced; if you unscrew it, the flow rate increases.
LGB 22
QRA
AGQ1.1A27
1
2
SW
SW
BL
BL
FLAME DETECTION SYSTEM CHECK
Minimum detection
current required 3 µA.
SW = BLACK
BL = BLUE
Microammeter bottom scale 50 µA
SETTING THE FIRING HEAD
The firing head position adjustment is made in order to obtain the best combustion efficiency. When used with minimum outputs
the firing head is adjusted in rear position. With high output, the firing head is adjusted in forward position.
Adjustment:
- Loosen screw A through a suitable Allen key.- By a screwdriver act on the hex. head screw B until is reached the desi-
red position. - Tighten screw A
REMOVING THE BLAST TUBE
—
+
B
A
+
--
REMOVING THE FIRING HEAD