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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
Temperatures : Setpoints, actual values and limit values
TkSnorm
C
505
506 TvSmin
C
507 TvSmax
C
TuebBw
C
510
TqNach
O
513
TuebVor
O
514
THG
UF
516
TiAussen-
C
519
Norm
dTrAbsenk
UF
520
dTkTrNenn
C
521
TAnfoExtMax Maximum value of heat demand with external
O
622
C
657 TbwSollAleg
Switching differentials : Switch-on / -off thresholds
O
526 SdBwEin1
Controller functions : Configuration
532 Sth1
UF
UF
533 Sth2
UF
534 DtR1
535 DtR2
UF
538 NqmodMin
C
PhzMax
C
541
PminHuKw
C
542
Function
Boiler setpoint at design outside temp (for
HC1 with mod. pump)
Minimum flow setpoint temperature
(20°C ≤ TvSmin ≤ TvSmax)
Maximum flow setpoint temperature
(TvSmin ≤ TvSmax ≤ 90°C)
Flow temperature setpoint boost with DHW
heating
Type 5-25 S
Switch-off temperature for pump overrun (after
DHW heating) :
Type C/M40/M75/B120
Type 5-25 S
Type 5-25
Boiler temperature setpoint boost with mixing
circuit
Type DC
Summer / winter changeover temperature
(30 °C: S / W changeover deactivated)
Design outside temperature (for sizing heating
plant)
Reduction of room setpoint when using time
switch -
(dTrAbsenk=0: acting on heat demand)
Delta flow / return temperature at
TiAussenNorm -
(2,5K ≤...≤ dTkTrMax)
predefined temperature setpoint
(5°C ≤ TAnfoExtMax ≤ 130°C)
Setpoint of autonomous legionella function
(0 °C: legionellafunction inactive).
Type C/S/M40/M75/B120
Type 5-25 SEP
Type 10-35
Switch-on differential of burner in DHW
heating mode
(sensor 1) :
Type C/M40/M75/B120
Type 5-25
Heating curve slope heating circuit 1
Heating curve slope heating circuit 2
Room setpoint readjustment heating circuit 1 -31...31 K 0 K
Room setpoint readjustment heating circuit 2 -31...31 K 0 K
Minimum pump speed permitted for the
heating plant
Maximum degree of modulation in heating
mode
(LmodTL ≤ PhzMax ≤ LmodVL)
Type 2-13
Type 2-17
Type 10-35SEP
Minimum boiler output in kW (Hu)
Range
20...90 °C 80 °C
20...90 °C 20 °C
20...90 °C 77 °C
0...30 °C 18 °C
20...90 °C
SEP/10-35 SEP
0...30 °C 5 °C
8...30 °C 19 °C
-50...20
°C
0...10 K
2,5...20 K 20 K
5...130 °C 80 °C
0...65 °C
SEP/10-50 SEP
0,5...32 K
S/SEP/10-35 SEP
1...40
1...40
10...100
%
0...100 % 60 %
0...32766
kW
- 16 -
PARAMETER LIST
Factory setting : boiler version
0.9-9
2-13/2-17
5-25
80 °C
80 °C
20 °C
20 °C
77 °C
77 °C
18 °C
18 °C
-
-
8 °C
70 °C
70 °C
70 °C
-
-
72 °C
-
-
80 °C
5 °C
5 °C
-
0 °C
0 °C
19 °C
19 °C
-15 °C
-15 °C
-15 °C
6 K
6 K
6 K
20 K
20 K
80 °C
80 °C
65 °C
65 °C
65 °C
-
-
0 °C
-
-
-
6 K
6 K
6 K
-
-
0,5 K
15
15
15
8
8
8
0 K
0 K
0 K
0 K
40 %
40 %
40 %
52 %
-
55 %
-
-
58 %
-
-
-
-
1 kW
2 kW
5 kW
10-50
75 °C
20 °C
75 °C
15 °C
-
70 °C
-
80 °C
5 °C
-
19 °C
-15 °C
6 K
20 K
80 °C
65 °C
-
0 °C
3 K
0,5 K
15
8
0 K
0 K
40 %
70 %
-
-
40 %
10 kW
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