88
EN
– measure the CO
2
and check that it corresponds to the value
in the table. If it does not correspond, adjust the "maximum
power adjustment screw" (2) on the gas valve until you obtain
the CO
2
value shown in the table. Take any other necessary
readings.
m
IMPORTANT
The gas valve on the
ALU HE
80
is equipped with
TWO
screws to adjust the maximum power
:
– screw (2) for an approximate adjustment
– screw (3) for a finely tuned adjustment.
We recommend adjusting the two screws alternately.
Once any necessary adjustments and readings have been made:
– press the
N
button to operate the boiler on minimum power
(Qmin) as indicated on the display with
G
– measure the CO
2
and check that it corresponds to the value
in the table. If it does not correspond, adjust the "minimum
power adjustment screw" (4) on the gas valve until you obtain
the CO
2
value shown in the table.
GAS VALVE
2
3
2
4
4
2
4
ALU HE 80
ALU HE 116
ALU HE 160-200-240-280
Fig. 33
ALU HE
CO
2
(G20)
CO
2
(G31)
Qmax
(% ± 0,2)
Qmin
(% ± 0,2)
Qmax
(% ± 0,2)
Qmin
(% ± 0,2)
80
9,3
9,1
10,6
10,3
116
9,3
9,1
10,6
10,3
160
9,3
9,1
10,5
10,3
200
9,3
9,1
10
9,7
240
9,3
9,1
-
-
280
9,5
9
-
-
m
CAUTION
This procedure MUST BE PERFORMED after:
– gas conversion
– changing the gas valve following a fault.
Summary of Contents for ALU HE
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