Setting The Boiler Parameters - Chappee 1.45 FF HTE Installers And Users Instructions

15. Setting the boiler The boiler parameters may only be modified by professionally qualified staff proceeding as fol-
parameters lows:
a) press the
b) press the
c) press the
d) press the
The following are the parameters generally used:
Parameter N.
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.
, keys on the boiler's front panel together for about 3 s until the parameter H90
appears on the display;
keys to select the parameter for modification;
and keys to modify the parameter;
key to exit the programming function.
Description
H90
Setting for domestic hot water reduced temperature (°C)
H91 D.H.W. (Domestic Hot Water) program
(0 = enabled; 1 = disabled)
H505
Maximum temperature (°C) of the central heating circuit HC1 corresponding to:
- 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)
H533 Selection of temperature curve of central heating circuit HC2 (see Graph 1)
H536 Maximum speed at maximum output in heating mode
(rpm - maximum speed limitation)
H612 Setting value of required speed (rpm) at low-fire
H613 Setting value of required speed (rpm) at high-fire
H544 Pump post-circulation time in central heating mode (min)
H545
Burner operating pause time between two start-ups (s)
H552
Hydraulic system setting (see instructions provided with the SIEMENS AGU2.500
accessory). H552 = 50 with AGU2.500
H553
Configuration of heating circuits
H553 = 12 with AGU2.500
H615
Programmable function
Configuration of system with low loss header P1
H632
H632 = 00001111 with AGU2.500
The value of Bit could be 1 or 0.
Press the keys 5 and 6 to select the bit to modify (b0 is the bit on the right, b7 is the
last bit on the left).
To modify the Bit value press on the keys 7 and 8
H641
Fan post-purge interval (s)
H657 Setpoint of autonomous ANTILEGIONELLA function
60...80 °C = setting temperature range
0 = function inactive
27
Factory setting
10
1
80
80
20
15
15
Refer to
paragraph
12.1
10
180
2
21
9
00001100
10
0