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PARAMETER LIST
2 - PARAMETER LIST LMU v3.03 (STORED IN THE QAA73 FROM 501 TO 755)
Levels : UF = End-user / C = heating engineer / O = OEM
Level Line
Display
Function
Range
Factory setting : boiler version
0.9-9
2-13/2-17
5-25
10-50
Temperatures : Setpoints, actual values and limit values
C
505
TkSnorm
Boiler setpoint at design outside temp (for
HC1 with mod. pump)
20...90 °C 80 °C
80 °C
80 °C
75 °C
C
506
TvSmin
Minimum flow setpoint temperature
(20°C
≤
TvSmin
≤
TvSmax)
20...90 °C 20 °C
20 °C
20 °C
20 °C
C
507
TvSmax
Maximum flow setpoint temperature
(TvSmin
≤
TvSmax
≤
90°C)
20...90 °C 77 °C
77 °C
77 °C
75 °C
C
510
TuebBw
Flow temperature setpoint boost with DHW
heating
0...30 °C 18 °C
18 °C
18 °C
15 °C
Type 5-25 S
-
-
8 °C
-
O
513
TqNach
Switch-off temperature for pump overrun (after
DHW heating) :
Type C/M40/M75/B120
20...90 °C
70 °C
70 °C
70 °C
70 °C
Type 5-25 S
-
-
72 °C
-
Type 5-25 SEP
/10-35 SEP
-
-
80 °C
80 °C
O
514
TuebVor
Boiler temperature setpoint boost with mixing
circuit
0...30 °C 5 °C
5 °C
5 °C
5 °C
Type DC
-
0 °C
0 °C
-
UF
516
THG
Summer / winter changeover temperature
(30 °C: S / W changeover deactivated)
8...30 °C 19 °C
19 °C
19 °C
19 °C
C
519
TiAussen-
Norm
Design outside temperature (for sizing heating
plant)
-50...20
°C
-15 °C
-15 °C
-15 °C
-15 °C
UF
520
dTrAbsenk
Reduction of room setpoint when using time
switch -
(dTrAbsenk=0: acting on heat demand)
0...10 K
6 K
6 K
6 K
6 K
C
521
dTkTrNenn
Delta flow / return temperature at
TiAussenNorm -
(2,5K
≤
...
≤
dTkTrMax)
2,5...20 K 20 K
20 K
20 K
20 K
O
622
TAnfoExtMax Maximum value of heat demand with external
predefined temperature setpoint
(5°C
≤
TAnfoExtMax
≤
130°C)
5...130 °C 80 °C
80 °C
80 °C
80 °C
C
657
TbwSollAleg
Setpoint of autonomous legionella function
(0 °C: legionellafunction inactive).
Type C/S/M40/M75/B120
0...65 °C
65 °C
65 °C
65 °C
65 °C
Type 5-25 SEP
-
-
0 °C
-
Type 10-35 SEP/
10-50 SEP
-
-
-
0 °C
Switching differentials : Switch-on / -off thresholds
O
526
SdBwEin1
Switch-on differential of burner in DHW
heating mode
(sensor 1) :
Type C/M40/M75/B120
0,5...32 K
6 K
6 K
6 K
3 K
Type 5-25 S/SEP/
10-35 SEP
-
-
0,5 K
0,5 K
Controller functions : Configuration
UF
532
Sth1
Heating curve slope heating circuit 1
1...40
15
15
15
15
UF
533
Sth2
Heating curve slope heating circuit 2
1...40
8
8
8
8
UF
534
DtR1
Room setpoint readjustment heating circuit 1 -31...31 K 0 K
0 K
0 K
0 K
UF
535
DtR2
Room setpoint readjustment heating circuit 2 -31...31 K 0 K
0 K
0 K
0 K
C
538
NqmodMin
Minimum pump speed permitted for the
heating plant
10...100
%
40 %
40 %
40 %
40 %
C
541
PhzMax
Maximum degree of modulation in heating
mode
(LmodTL
≤
PhzMax
≤
LmodVL)
0...100 % 60 %
55 %
52 %
70 %
Type 2-13
-
-
-
Type 2-17
-
58 %
-
-
Type 10-35SEP
-
-
-
40 %
C
542
PminHuKw
Minimum boiler output in kW (Hu)
0...32766
kW
1 kW
2 kW
5 kW
10 kW
