Unigas K750A, Руководство пользователя

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PART IV: MAINTENANCE
30
Center head holes gas flow regulation (natural gas burners)
To adjust the gas flow, partially close the holes, as fol-
lows:
1
loosen the three V screws that fix the adjusting plate D ;
2 insert a screwdriver on the adjusting plate notches and let it move CW/CCW as to open/close the holes;
3 once the adjustmet is performed, fasten the V screws.
The adjusting plate correct position must be regulated in the plant during the commissioning.
The factory setting depends on the type of fuel for which the burner is designed:

For natural gas burners, plate holes are fully opened
Center head holes gas flow regulation (LPG burners)
To adjust the gas flow, partially close the holes, as follows:
1
loosen the three V screws that fix the adjusting plate D ;
2 insert a screwdriver on the adjusting plate notches and let it move CW/CCW as to open/close the holes;
3 once the adjustmet is performed, fasten the V screws.
The adjusting plate correct position must be regulated in the plant during the commissioning.

9xA series : 1,5 mm 5xxA series : 1,3 mm
V
D
A:
opened holes
B:
closed holes
B
A
V
D
A:
opened holes
B:
closed holes
B
A