Siemens LMU64 Series - 12 Parameter list; legend of parameter bit fields LMU...; 12.1 Parameter list

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