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Parameter list LMU...
Temperatures
No
Name
96 TkSmin
Boiler
97 TkSmax
Boiler
181 TkSnorm
Heating mode HC1
98 TvSmin
Heating mode AGU2.500
99 TvSmax
Heating mode AGU2.500
100 TbwSmin
DHW
101 TbwSmax
DHW
250 dTbwKomf40
DHW-inst DHW heater
251 dTbwKomf60
DHW-inst DHW heater
252 dTbwAusl40
DHW-inst DHW heater
253 dTbwAusl60
DHW-inst DHW heater
94 TrSmin
Weather compens
95 TrSmax
Weather compens
103 TkSfrostEin
Boiler
104 TkSfrostAus
Boiler
105 TqNach
DHW
114 TgradMax
No meaning
112 THG
Heating mode
113 dTbreMinP
Boiler
108 TuebVor
Heating mode AGU2.500 Boiler temperature setpoint boost with mixing circuit
106 TbwBereit
DHW-ins DHW heater
102 TuebBw
DHW
107 TkBegr
No meaning
115 dTrAbsenk
Heating mode time switch
173 TiAussenNorm
Weather compens
172 dTkTrNenn
PWM pump
116 dTkTrMax
PWM pump
462 dTkTrSTB
Boiler (S) LT
111 TaBegr
Boiler flue gas supervision
438 TaAbschalt
Boiler flue gas supervision
109 TkMax
Boiler TL
110 Tstb
Boiler (S) LT
389 TempGradMax
Boiler (S) LT
528 TAnfoExtMax
AGU2.51x
136/171
Siemens Building Technologies
HVAC Products
12 Parameter list / legend of parameter bit
fields LMU...
12.1 Parameter list
Group
Function
Setpoints, actual values and limit values
Minimum boiler setpoint temperature
(20 °C<=TkSmin<=TkSmax)
Maximum boiler setpoint temperature
(TkSmin<=TkSmax<=90 °C)
Boiler setpoint at design outside temperature
Minimum flow setpoint temperature
(20 °C<=TvSmin<=TvSmax)
Maximum flow setpoint temperature
(TvSmin<=TvSmax<=90 °C)
Minimum DHW setpoint temperature
(10 °C<=TbwSmin<=TbwSmax)
Maximum DHW setpoint temperature
(TbwSmin<=TbwSmax<=80 °C)
Setpoint readjustment in Comfort mode and setpoint of
40 °C
Setpoint readjustment in Comfort mode and setpoint of
60 °C
Setpoint readjustment with outlet temperature control
and setpoint of 40 °C
Setpoint readjustment with outlet temperature control
and setpoint of 60 °C
Minimum room setpoint (10 °C<=TrSmin<=TrSmax)
Maximum room setpoint (TrSmin<=TrSmax<=30 °C)
Boiler frost protection switch-on temperature
(5 °C<=TkSfrostEin<TkSfrostAus)
Boiler frost protection switch-off temperature
(TkSfrostEin<TkSfrostAus<=50 °C)
Switch-off temperature for pump overrun (after DHW
heating)
Maximum temperature gradient of boiler setpoint ramp
in heating mode (0: no setpoint ramp)
Summer / winter changeover temperature
(30 °C: S / W changeover deactivated)
Maximum control differential; when exceeded, minimum
pause time will be aborted
Setpoint for readiness temperature
Flow temperature setpoint boost with DHW heating
Boiler temperature limitation with instantaneous DHW
heater
Reduction of room setpoint when using time switch
(dTrAbsenk=0: acting on heat demand)
Design outside temperature (for sizing heating plant)
Delta flow / return temperature at TiAussenNorm,
2. 5 <=...<= dTkTrMax
Maximum dT of boiler flow and return for dT supervision
Maximum dT of boiler flow and return above which the
electronic SLT cuts out
Triggering threshold for output reduction at high flue gas
temperatures (limitation)
Triggering threshold for boiler shutdown at high flue gas
temperatures
Maximum limitation of boiler temperature
(TL function 1)
Cutout temperature of SLT
Maximum rate of flow temperature rise
Maximum value of heat demand with external
predefined temperature setpoint
(5 °C< = TAnfoExtMax< = 130 °C)
* Read only
Basic Documentation LMU54... / LMU64...
12 Parameter list / legend of parameter bit fields LMU...
No
Level
Range
QAA73
QAA73
AGU2.310
AGU2.310
20 ... 90 °C
503
Engineer
20 ... 90 °C
504
Engineer
20 ... 90 °C
505
Engineer
20 ... 90 °C
506
Engineer
20 ... 90 °C
507
Engineer
10 ... 80 °C
508
OEM
10 ... 80 °C
509
OEM
-20 ... 20 K
580
Engineer
-20 ... 20 K
581
Engineer
-20 ... 20 K
582
Engineer
-20 ... 20 K
583
Engineer
10 ... 30 °C
501
Engineer
10 ... 30 °C
502
Engineer
5 ... 50 °C
511
Engineer
5 ... 50 °C
512
Engineer
20 ... 90 °C
513
OEM
0 ... 255 K/min
518
OEM
8 ... 30 °C
516
Enduser
0 ... 90 K
517
Engineer
0 ... 30 °C
514
Engineer
10 ... 60 °C
607
Engineer
0 ... 30 °C
510
Engineer
60 ... 95 °C
0 ... 10 K
520
Enduser
-50 ... 20 °C
519
Engineer
2.5 ... 20 K
521
Engineer
2.5 ... 35 K
522
OEM
2.5 ... 50 K
0 ... 255 °C
593
OEM*
0 ... 255 °C
592
OEM*
0 ... 100 °C
515
OEM*
0 ... 110 °C
0 ... 20 K/s
5 ... 130 °C
622
Engineer
LevelNo
Level
PC_Tool
PC_Tool
5
Installer
5
Installer
5
Installer
5
Installer
5
Installer
4
OEM service
4
OEM service
5
Installer
5
Installer
5
Installer
5
Installer
6
Enduser
6
Enduser
5
Installer
5
Installer
4
OEM service
4
OEM service
6
Enduser
5
Installer
5
Installer
6
Enduser
5
Installer
4
OEM service
6
Enduser
5
Installer
5
Installer
OEM
3
(production)
OEM
3
(production)
OEM
3
(production)
OEM
3
(production)
OEM
3
(production)
OEM
3
(production)
OEM
3
(production)
5
Installer
7494t01E_Param_List.xls
CC1P7494en
07.11.2002
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