Alpha E-Tec Plus 28NX - Page 47

MODEINFORESET
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Alpha E-Tec Plus 28NX, 33NX and 38NX - Commissioning
Fig. 6.18
6.17 MAINTENACE FUNCTION (MA)
The function can be activated from the Special Functions menu by
selectin 'MA'.
Using this function, you can acivate some operating devices of the
boiler without starting it, thus verifying operation.
The function is active for 15 minutes and it can be stopped by
pressing the 'RESET' button.
To enter the 'Maintenance' function, access the Special Functions as
described in Section 6.15 and select the 'MA' function.
After entering the function, it is possible to scroll through the MA
parameters list shown below by pressing the INFO buttons. Once
selected the desired parameter, press MODE to enter and show its
value. By pressing the CH (
) +/- buttons it is possible to change
the value according to the table below. Then press MODE to confirm
the new value. '88 88' will flash for 2 seconds, saving confirmation
and the selected components will be activated or deactivated
according to the value set.
ID
Parameter Description
Permanent spark
Permanent fan
Permanent pump
Diverter function
Not used
Configurable relay forcing (5 - 6)
Relay 1 on optional relay board
Relay 2 on optional relay board
Relay 3 on optional relay board
MA.0
MA.1
MA.2
MA.3
MA.4
MA.5
MA.6
MA.7
MA.8
0 - 1
0 - 100%
0 - 100%
0 - 3
-
0 - 1
0 - 1
0 - 1
0 - 1
0 - Off
1 - Spark always On (without gas intake)
0 - Off
>0 - Fan On (without gas intake)
0 - Off
>0 - Pump On (without gas intake)
0 - Off
1 - System position
2 - DHW position
3 - Intermediate position
-
0 - Off
1 - Energised relay
0 - Off
1 - Energised relay
0 - Off
1 - Energised relay
0 - Off
1 - Energised relay
Range
Fig. 6.17
0123
4
5
6
7
89
(A)
( B )
TM (°C)
( C )
( A ) ...... Top set
( B ) ...... Lower set
( C )...... Days
TM ....... Flow temperature
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