420010749000 Azur 30/40/60/80 Blu 120 P
EN
ADJUSTMENT OF FAST OPENING'S HYDRAULIC BRAKE
The adjustment procedure is the same for both single-stage (MB-DLE) and two-stage (MD-ZRDLE) versions.
To adjust the fast opening's hydraulic brake, unscrew cover T and through its upper side turn pin Q. Screw to reduce
the opening speed; unscrew to increase. Screw cover T after regulation.
1 Pressure governor adjustment
2 Fast opening hydraulic brake's adjustment
3 Flow rate adjustment (Low flame flow rate
adjustment for AB version)
4 High flame flow rate adjustment
5 Inlet pressure port
6 Pressure governor membrane's bleed
7 Minimum presure switch adjustment
(VPS 504)
8 Pressure port after gas filter
9 Pressure port after pressure governor. During leakage control
test, is used to measure test pressure (~150 mbar). When
burner is running, it is used to measure governor's outlet
pressure.
10 Working lamp (yellow)
11 Leakage control device rearm button (red)
FIRING HEAD SETTING
AZUR 30 - 40
IONIZATION PROBE
IGNITION ELECTRODE
+
–�
ELECTRODE POSITION
AZUR 60
I G N I TI O N
ELECTRO D E
I O N I ZATI O N PRO BE
pag.6
2
Q
1
7
6 5
AIR REGULATION
IONIZATION PROBE
IGNITION ELECTRODE
T
MULTIBLOC
MB-DLE
P
3
11
R
10
9
8
AZUR 80 - BLU 120P