pag.21
LB 1377
MULTICALOR 170.1 -200.1 PR / MD
B
AIR ADJUSTMENT
+
- -
Part. 1
Part. 2
Part. 3
-
+
-
COMMUTATORE
0
AUTO
0 = bloccaggio degli apparati per il
funzionamento in una posizione intermadia
= funzionamento alla massima potenza
= funzionamento alla minima potenza
AUTO = funzionamento automatico
operating elements locked in an intermediate
position
operation on maximum capacity
operation on minimum capacity
automatic operation
SELECTOR
ADJUSTING THE MINIMUM CAPACITY OF THE BURNER – AIR and GAS
Position the selector placed on the control panel on position 2 and proceed as follows:
Adjust the minimum gas flow rate using a suitable wrench, turn the butterfly valve until you reach the correct gas flow, as
established by analyzing the combustion process.
ADJUSTING THE MAXIMUM CAPACITY OF THE GAS
Position the selector, situated on the control panel, on position 1 and proceed as follows:
Adjusting the maximum gas flow rate (see figure on solenoid valve adjustments) or adjust the gas pressure in the governor.
ADJUSTING THE MAXIMUM AIR FLOW RATE
Adjusting the maximum air flow rate (see figure, detail 2). Loosen the nut holding the air damper transmission rod;
The correct air flow as established by analyzing the combustion process.
Remove cover to gain access to the adjusting cams.The cams are to be adju-
sted through the suitable key provided for. Description:
I
-
Limit switch for air damper “High Flame” position adjustment
(Max. power)
II -
Limit switch for the air damper position at burner’s shut down
III -
Limit switch for air damper “Low Flame” position adjustment
(Min. power)
V
- Limit switch "NOT USED".
MANUAL RELEASE
SWITCH
LANDIS & STAEFA SQN 31 251A2700 AIR DAMPER MOTOR
