Baxi Luna HT Installers And Users Instructions page 20

Parameter
Line no.
HC1 gradient
70
Selection of central heating circuit temperature curve "kt"
HC1 max. output
72
Central heating system maximum output temperature
Type of building
74
Room compensation
75
Activation/deactivation of the influence of the room
temperature. If it is deactivated, the outdoor temperature
sensor must be installed.
Automatic adaptation of the temperature curve "kt" in
77
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.
HC2 gradient
80
Selection of temperature curve "kt" of the HC2 central
heating circuit of the low temperature zone if the SIEMENS
AGU2.500 accessory is used.
HC2 max. outputMax
82
output temperature of the low temperature central heating
system HC2
DHW Red Setp
90
Minimum temperature of the domestic domestic hot water
DHW program
91
Selection of the type of timed program for domestic hot
water.
24 h/day
PROG HC-1h
PROG HC
PROG ACS
- fault messages
In the event of fault, the display panel on the QAA73 shows the flashing symbol
information key ( ) to display the error code and a description of the fault.
Code Display
10 Outside Sens
20 Boiler Sensor
50 DHW Sensor
60 Room Sensor
110 STL boiler
132 Safty Shutwn
133 No flame
135 -
151 BMU
153 Interlock
160 Fan speed
164 HE Flow/Press
= 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)
Fault description
External probe sensor fault or parameter 75 has been deactivated
NTC delivery sensor fault
DHW NTC sensor fault
QAA73 fault
Safety or flue thermostat tripping
Floor thermostat tripping
Gas is low
No electricity supply to the fan
Error in boiler board. Shut off electric power to boiler for 10 seconds
The RESET button has been pressed for no reason
Fan speed threshold not reached
No permissive water differential pressure switch
20
Range Default value
2.5...40 15
25...85 85
Light, Heavy
Light
on HC1
on HC2
On HC1
on HC1+HC2
nil
On - off
On
0...360 min
0
0...360 min
0
2.5...40
—.-
—.- = not active
25...85
70
10 or 35...58
10 or 35
24 h/day
24 h/day
TSP HC-1h
TSP HC
TSP DHW
. Press the