Baxi LUNA HT 1.850 Installers And Users Instructions page 23

QAA73: parameters which can be set by the installation engineer (service)
By pressing the two PROG buttons together for at least three seconds it is possible to access the list of parameters that
the installer can display and/or set.
Press either of these buttons to change the parameter to display or change.
Press the [+] or [-] key to change the value displayed.
Press either of the PROG buttons again to save the change.
Press the information button (i) to quit programming.
Here follows a list of the most commonly used parameters:
Line no. Parameter
HC1 gradient
70
Selection of central heating circuit temperature curve "kt"
HC1 max. output
72
Central heating system maximum output temperature
74
Type of building
Room compensation
75
Activation/deactivation of the influence of the room temperature. If it is deactivated, the
outdoor temperature sensor must be installed.
77
Automatic adaptation of the temperature curve "kt" in relation to the room temperature.
Opt Start Max
78
Maximum time the boiler is switched on ahead of the timed program to optimise the
temperature in the premises.
Opt Stop Max
79
Maximum time the boiler is switched off ahead of the timed program to optimise the
temperature in the premises.
80
HC2 gradient
DHW Red Setp
90
Minimum temperature of the domestic domestic hot water
DHW program
Selection of the type of timed program for domestic hot water.
24 h/day
91
PROG HC-1h
PROG HC
PROG ACS
- fault messages
In the event of fault, the display panel on the QAA73 shows the flashing symbol
the error code and a description of the fault (see Fault warning tables on paragraph 3.9).
INSTRUCTIONS PERTAINING TO THE INSTALLER
= always on
= as HC1 central heating program less one hour
= as central heating program
= specific domestic hot water program
(see also program lines 30-36)
23
Range
2.5...40
25...85
Light, Heavy
on HC1
on HC2
on HC1+HC2
nil
On - off
0...360 min
0...360 min
2.5...40
—.- = not active
10 or 35...58
24 h/day
TSP HC-1h
TSP HC
TSP DHW
. Press the information key ( ) to display
910.024.1 - EN (AUS)
Default
value
15
85
Light
On HC1
On
0
0
—.-
10
24 h/day