94
910.001.1 - EN
ISTRUCTIONS PERTAINING TO THE INSTALLER
- fault messages
In the event of fault, the display panel on the QAA73 shows the ashing symbol . Press the information key
( ) to display the error code and a description of the fault (see table on paragraph 3.9).
Line no. Parameter Range
Default
value
70
HC1 gradient
Selection of central heating circuit temperature curve “kt”
2.5…40 15
72
HC1 max. output
Central heating system maximum output temperature
25…85 85
74 Type of building Light, Heavy Leggero
75
Room compensation
Activation/deactivation of the inuence of the room temperature. If it is deactivated,
the outdoor temperature sensor must be installed.
on HC1
on HC2
on HC1+HC2
nil
On HC1
77
Automatic adaptation of the temperature curve “kt” in relation to the room
temperature.
On - off Attivo
78
Opt Start Max
Maximum time the boiler is switched on ahead of the timed program to optimise the
temperature in the premises.
0…360 min 0
79
Opt Stop Max
Maximum time the boiler is switched off ahead of the timed program to optimise the
temperature in the premises
0…360 min 0
80 HC2 gradient
2.5…40
—.- = not active
—.-
90
ACS set ridotto
Minima temperatura dell’acqua sanitaria
10…58 10
91
DHW program
Selection of the type of timed program for domestic hot water.
24 h/day
TSP HC-1h
TSP HC
TSP DHW
24 h/day
24 h/day
PROG HC-1h
PROG HC
PROG ACS
= always on
= as HC1 central heating program less one hour
= as central heating program
= specic domestic hot water program
(see also program lines 30-36)
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