20
After having installed the nozzle, check the correct position of the electrodes and deflector according to the
following levels. It is adviseable to check levels after every intervention on head.
The pump pressure is pre-set during production at 12 bar.
For controlling pressure use an oil bathed manometer.
The pressure can be adjusted from 11 to 14 bar for AZ 2,9 burners, and from 7 e 14 bar for AZ 2,9 PR burners.
S
S
O
F
N
A
D
C
E
T
N
U
S
1009D
IS
39
4
2
÷
3
2
÷
3
3
6
÷
6,5
INDEX
1
Intake
2
Return
3
Nozzle
4
Pressure Adjustment
PUMP PRESSURE ADJUSTMENT
ELECTRODES - DEFLECTOR SETTING
TRANSFORMATION IN ONE-PIPE PUMP
To allow the DANFOSS BFP 21 pump to fit a one-
pipe system, proceed as follows:
- Loosen the screw A.
- Remove the screw B from its seat.
- Tighten the screw A.
- Insert the supplied plug in the hole C.
7
To allow the SUNTEC AS pump, remove the screw by-pass accessible from the hole of the return. Close the hole
return with the stopper.
