Parame
ter
Description
Adjustment range
30
45
55
65
90
115
(1) Only with outside sensor
(2) After switching on, the boiler operates once a week at 65°C for the DHW
(3) Pump only
(4) If the boiler is being installed in a cascade system, set parameter
to 25
Tab.33 Adjustment for gas type G31 (propane)
Parame
ter
Description
30
45
55
65
90
115
Maximum fan speed (central heating)
38
51
48
54
60
67
Maximum fan speed (DHW)
38
51
48
54
60
67
Minimum fan speed (CH + DHW)
15
15
15
16
20
18
Minimum fan speed (offset)
50
50
0
0
0
0
Start speed
30
30
25
25
25
35
Tab.34 Adjustment for flue gas overpressure cascade
Parame
ter
Description
30
45
55
65
90
115
Minimum fan speed (CH + DHW)
18
18
18
18
19
19
Minimum fan speed (offset)
0
0
0
0
0
0
Start speed
25
25
25
25
25
25
(1) Use the parameter setting for the gas type if the boiler has been adjusted for G31 (propane).
9.2
Changing the parameters
The boiler’s control unit is set for the most common central heating sys
tems. These settings will ensure that virtually every central heating system
operates effectively. The user or the installer can optimise the parameters
as required.
For operation in open vented systems, the
parameter must be ad
justed.
9 Settings
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