Siemens LMU64 Series - Controller Times; Controller Coefficients; Pressures

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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
No Name Group Function Range
No
QAA73
AGU2.310
Level
QAA73
AGU2.310
LevelNo
PC_Tool
Level
PC_Tool
526 KonfigEingangR AGU2.51x Progr input on clip-in function module 0 ... 255 618 Engineer 5 Installer
471
KonfigAusgang
Boiler
Function programmable output K2 LMU
0 ... 255
615
Engineer
5
Installer
523 KonfigAusgang1R AGU2.51x Function output1 clip-in function module 0 ... 255 619 Engineer 5 Installer
524
KonfigAusgang2R
AGU2.51x
Function output2 clip-in function module
0 ... 255
620
Engineer
5
Installer
525 KonfigAusgang3R AGU2.51x Function output3 clip-in function module 0 ... 255 621 Engineer 5 Installer
529 PAnfoExtSchwelle AGU2.51x
Threshold of analog signal from which the external
demand for output will be accepted (percentage of
maximum value of analog signal)
5 ... 95 % 623 Engineer 5 Installer
All non-safety-related time parameters
130 ZqNach Heating mode
Overrun time of pumps, max. 210 min (setting 255:
continuous operation of Q1)
0 ... 255 min 544 Engineer 5 Installer
134 ZkickFkt Boiler Time for kick function of pump / diverting valve outputs 0 ... 51 s 584 Engineer 5 Installer
139 ZBreMinP Boiler
Minimum burner pause time (heat demand-dependent
switching hysteresis)
0 ... 3600 s 545 Engineer 5 Installer
140 ZBreMinL No meaning
Minimum burner running time (heat demand-dependent
switching hysteresis)
0 ... 255 s 546 Engineer 5 Installer
141 ZReglVerz Boiler Controller delay after burner is started up 0 ... 255 s 547 Engineer 5 Installer
136 ZAueRuec Boiler flue gas supervision Reset time of flue gas supervision equipment 10 ... 218 min 3
OEM
(production)
329 ZsdHzEnde Boiler
Time until switch-off differential is reduced to
SdHzAusMin
0 ... 210 min 588 OEM 4 OEM service
330 ZsdBwEnde DHW
Time until switch-off differential is reduced to
SdBwAusMin
0 ... 210 min 589 OEM 4 OEM service
331 ZSperrDynAusSd Boiler
Locking time of dynamic switch-off differential after a
change of heating<->DHW
0 ... 51 s 590 OEM 4 OEM service
430 Z_BwComfort1 DHW-inst DHW heater
Time for instantaneous DHW heater Comfort function
after consumption (when there is no demand for heat)
(0 = deactivated; 1440 = continuously)
0 ... 1440 min 602 Engineer 5 Installer
460 Z_BwComfort2 DHW-inst DHW heater
Time for instantaneous DHW Comfort function after
consumption (when there is demand for heat) (0 =
deactivated; 255 = 4h15min)
0 ... 255 min 603 Engineer 5 Installer
475 ZqComfortAus DHW-DLH
Time for pump overrun in Dlh Comfort function with
burner off (0 = pump off with burner off; 255 = pump
always on)
0 ... 255 min 5 Installer
Setting the controller's dynamics
158
KpBw
DHW
Proportional coefficient of DHW controller
0 ... 15.9375
566
OEM
4
OEM service
159 TvBw DHW Derivative action time of DHW controller 0 ... 15.9375 s 567 OEM 4 OEM service
160 TnBw DHW Integral action time of DHW controller 0 ... 4000 s 568 OEM 4 OEM service
161
KpHz1
Heating mode HC1
Proportional coefficient of heating circuit controller
0 ... 15.9375
569
OEM
4
OEM service
162 TvHz1 Heating mode HC1 Derivative action time of heating circuit controller 0 ... 15.9375 s 570 OEM 4 OEM service
163
TnHz1
Heating mode HC1
Integral action time of heating circuit 1 controller
0 ... 4000 s
571
OEM
4
OEM service
167 KpDt PWM pump Proportional coefficient of dT control 0 ... 15.9375 575 OEM 4 OEM service
168 TvDt PWM pump Derivative action time of dT control 0 ... 15.9375 s 576 OEM 4 OEM service
169
TnDt
PWM pump
Integral action time of dT control
0 ... 4000 s
577
OEM
4
OEM service
170 ZAbtastK Boiler
Sampling time of temperature control loop in heating
mode and with storage tank charging
1 ... 4 s 578 OEM 4 OEM service
171 ZAbtastDlh DHW-inst DHW heater
Sampling time of temperature control loop with
instantaneous DHW heater
1 ... 4 s 579 OEM 4 OEM service
Setpoints, actual values and limit values
436 pH2OAbschalt
Boiler water pressure
supervision
Water pressure above which boiler and pump will be
shut down
0 ... 25.5 bar 594 Engineer 5 Installer
156 pH2Omin
Boiler water pressure
supervision
Minimum boiler water pressure 0 ... 25.5 bar 562 Engineer 5 Installer
157 pH2Omax
Boiler water pressure
supervision
Maximum boiler water pressure 0 ... 25.5 bar 563 Engineer 5 Installer
437 SdpH2O
Boiler water pressure
supervision
Switching differential of water pressure 0 ... 25.5 bar 595 Engineer 5 Installer
177 FoerderMin PWM pump Min head of modulating pump (supplier specification) 0 ... 25.5 m 565 OEM 4 OEM service
176
FoerderMax
PWM pump
Max head of modulating pump (supplier specification)
0.5 ... 25.5 m
564
OEM
4
OEM service
479 dpH2OminPuOn
Boiler water pressure
supervision
Min pressure differential to be reached after the pump
was switched on
0 ... 5 bar 616 Engineer 5 Installer
480 dpH2OmaxPuOn
Boiler water pressure
supervision
Max pressure differential that can occur when pump is
switched on
0 ... 5 bar 617 Engineer 5 Installer
Controller functions (cont‘d
Controller times
Controller coefficients
Pressures