Parame
ter
Description
30
45
65
90
115
Minimum fan speed (offset)
50
50
0
0
0
Start speed
30
30
25
25
35
Tab.29 Adjustment for flue gas overpressure cascade
Parame
ter
Description
30
45
65
90
115
Minimum fan speed (CH + DHW)
18
18
18
19
(1)
19
Minimum fan speed (offset)
0
0
0
0
0
Start speed
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, several parameter settings must be
adjusted. Set the various parameters according to the values given in the
table below.
Caution
Modification of the factory settings may impair boiler operation.
9.2.1 Changing the user-level parameters
The parameters at user level (see parameter table) can be changed by the
user as required.
1. Press the two keys at the same time and then the key until the
symbol flashes in the menu bar.
2. Select the user menu using the
key.
: appears with flashing .
3. Press the
key again.
The set value
°C (for example) appears and flashes.
4. Change the value by pressing the or keys. In this example,
use the key to change the value to
°C.
5. Confirm the value with the
key.
: appears with flashing .
6. Press the
key twice to leave this menu and return to the opera
tion display.
Note
The other parameters at user level are changed in the same way
as
. After step 2, use the key to go to the required parame
ter.
Fig.43 Changing the user parameters
AD-0000075-01
1x
2x
9 Settings
48
123157 - v.06 - 24022015
