2701
11
GB
4.6 PUMP PRESSURE AND AIR OUTPUT
CRONO 25-L2
O
1
st
STAGE ADJUSTMENT
Adjustment of air shutter
,
(see fig. 17)
Unloosen the nut (1), turn the screw (2) until the indicator (3) reaches the
position desired. Then lock the nut (1).
O
2
nd
STAGE ADJUSTMENT
Adjustment of air shutter
(see fig. 17)
Unloosen the nut (4), turn the screw (5) until the indicator (6) reaches the
position desired. Then lock the nut (4).
Pressure regulation,
(see fig. 19)
This is set at 12 bar at the factory. Should it be necessary to re-set or al-
ter such pressure, this can be done, by adjusting screw (8). The pressure gauge must be mounted in place of
cap (7). When burner shuts down the air damper automatically closes till a
max. chimney depressure of
0.5 mbar.
CRONO 10-L2, 15-L2 and 20-L2
O
1
st
STAGE ADJUSTMENT
Adjustment of air shutter
,
(see fig. 17)
Unloosen the nut (1), turn the screw (2) until the indicator (3) reaches the posi-
tion desired. Then lock the nut (1).
Pressure regulation,
(see fig. 18)
This is set at 9 bar at the factory. Should it be necessary to re-set or alter such
pressure, this can be done, by adjusting screw (7).
The pressure gauge must be mounted in place of cap (8).
O
2
nd
STAGE ADJUSTMENT
Adjustment of air shutter
,
(see fig. 17)
Unloosen the nut (4), turn the screw (5) until
the indicator (3) reaches the position desired.
Then lock the nut (4).
Pressure regulation,
(see fig. 18)
This is set at 14 bar at the factory.
Should it be necessary to re-set or alter such
pressure, this can be done, by adjusting
screw (9).
The pressure gauge must be mounted in place
of cap (8).
When burner shuts down the air damper auto-
matically closes till a
max. chimney depressu-
re of 0,5 mbar.
S7492
Fig. 17
S7491
Fig. 18
D5407
7
8
Fig. 19
Содержание CRONO 10-L2
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