Setting The Boiler Parameters - Baxi Luna 3 System HT Gebrauchsanleitung Für Den Verbraucher Und Den Installateur

17. settIng the boIler parameters

The boiler parameters may only be modified by professionally qualified staff proceeding as follows:
a) press the , keys on the boiler's front panel together for about 3 s until the parameter H90 appears on the display;
b) press the keys to select the parameter for modification;
c) press the and keys to modify the parameter;
d) press the key to exit the programming function.
The following are the parameters generally used:
parameter n. Description
h90 Setting for domestic hot water reduced temperature (°C)
h91 S.H.W. (Sanitary Hot Water) program
Selecting the sanitary hot water program:
1 = S.H.W. production on 24 hours a day;
0 = special program for sanitary hot water (program lines 31...36).
Maximum temperature (°C) of the central heating circuit HC1 corresponding to:
h505
- the main circuit in systems with just one zone;
- the circuit of the zone where the QAA73 temperature control device is installed in case of
systems with more than one high-temperature zone;
- the high temperature zone circuit in mixed systems and if the SIEMENS AGU2.500 accessory
is used.
h507
Maximum temperature (°C) of the central heating circuit HC2 of a system with more than one
zone, corresponding to the circuit of the low-temperature zone if the SIEMENS AGU2.500
accessory is used.
h516
Automatic Summer / Winter switching temperature (°C).
h532
Selection of temperature curve of central heating circuit HC1 (see Graph 1)
Selection of temperature curve of central heating circuit HC2 (see Graph 1)
h533
Selection of central heating power (N. of fan rpm)
h536
Pump post-circulation time in central heating mode (min)
h544
Burner operating pause time between two start-ups (s)
h545
h552
Hydraulic system setting (see instructions provided with the SIEMENS AGU2.500 accessory)
h615
Programmable function:
- "0" electricity supply to zone pump / valve and use of the SIEMENS AGU2.500 accessory;
- "1" electricity supply to a remote LPG gas valve;
- "5" electricity supply to zone pump / valve in the absence of the SIEMENS AGU2.500 acces-
sory.
Only one of these functions can be selected.
Fan post-purge interval (s)
h641
Parameter N
LUNA HT 1.180 MP LUNA HT 1.240 MP
h536 6400
table 4
If the electronic circuit board is replaced, make sure that the parameters set are those specific to the boiler model, as
indicated in the documentation available from the authorised Service Centre.
InstructIons pertaInInG to the InstaLLer
LUNA HT 1.330 MP
5900 5400
56
Factory setting
10
1
80
80
20
15
15
see table 4
3
180
35
5
10
926.423.1 - GB