CIB UNIGAS - M039177CA
28
Adjustment by the Berger STM30.. servocontrol
1
once the combustion head is adjusted (see pag. 25), remove the sevocontrol cover and set it to the ignition position, by pressing
the MAN/AUTO lever (ignition position= 0° on the air damper index ID1 - see figure on next page)
2
go on adjusting air and gas flow rates: check, continuosly, the flue gas analisys, as to avoid combustion with little air; dose the air
according to the gas flow rate change following the steps quoted below;
3
drive the burner to high flame stage, by means fo the thermostat TAB.
4
acting on the pressure stabiliser of the valves group, adjust the gas flow rate in the high flame stage as to meet the values
requested from the boiler/utilisation,
- Siemens VGD valves group: remove cap T and act on the VR adjusting screw to increase or decrease the pressure and conse-
quently the gas rate; screwind VR the rate increases, unscrewing it decreases (see next figure).
- Dungs MBC..SE valves group: act on its pressure regulator to increase or decrease the pressure and consequently the gas
rate.
5
To adjust the air flow rate in the high flame stage, loose the RA nut and screw VRA as to get the desired air flow rate (CW rota-
tion increases the rate, CCW rotation decreases the rate).
Note: once the procedure is perfomed, be sure that the blocking nut RA is fasten.
STM30.. Servocontrol cams
I
High flame
II
Stand-by and Ignition
III
Low flame
MAN-
VR
T
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1
#S
Siemens VGD..
Dungs MBC..SE
VRA
RA
Содержание TP512A
Страница 43: ...CIB UNIGAS M039177CA 43 Wiring diagram 21 001 2 Progressive burners ...
Страница 44: ...CIB UNIGAS M039177CA 44 Wiring diagram 21 001 2 Fully modulating burners ...
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