Siemens LMV51 Series Basic Documentation page 138

Representation of parameters based on the AZL5... menu structure, «OEM» level, as supplied by Siemens
Menu level 1 Menu level 2 Menu level 3
TempLimiter
ColdStart
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Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 7 Display and operating unit AZL5...
Menu level 4 Menu level 5 Menu level 6
D-Part (Tv)
MinActuatorStep
SW_FilterTmeCo
n
SetpointW1
SetpointW2
SD_ModOn
SD_ModOff
SD_Stage1On
SD_Stage1Off
SD_Stage2Off
SD_Stage3Off
ThreshStage2On
ThreshStage3On
TL_ThreshOff
TL_SD_On
ColdStartOn
ThresholdOn
StageLoad
StageSetp_Mod
Stage-
Description
Controller parameter differential part
Minimum actuator step possible
Software filter time constant
Internal setpoint W1, in °C
Internal setpoint W1, in bar
Internal setpoint W2, in °C
Internal setpoint W2, in bar
2-position controller switching differential burner ON modulat-
ing referred to the current setpoint (Wcurrent)
2-position controller switching differential burner OFF modulat-
ing referred to the current setpoint (Wcurrent)
2-position controller switching differential burner ON multistage
referred to the current setpoint (Wcurrent)
2-position controller switching differential stage 1 OFF referred
to the current setpoint (Wcurrent)
2-position controller switching differential stage 2 OFF referred
to the current setpoint (Wcurrent)
2-position controller switching differential stage 3_1 OFF re-
ferred to the current setpoint (Wcurrent)
Reaction threshold Q2 for switching on stage 2
(integral control deviation * time)
Reaction threshold Q3 for switching on stage 3
(integral control deviation * time)
Settings for the temperature limiter function
Temperature limiter OFF threshold, in °C
Temperature limiter switching differential ON
Settings for the cold start (thermal shock protection)
Cold start thermal shock protection, activate / deactivate
Cold start thermal shock protection activation level referred to
the current setpoint (Wcurrent)
Cold start thermal shock protection load step (modulating)
Cold start thermal shock protection setpoint step (modulating)
referred to the current setpoint (Wcurrent)
Cold start thermal shock protection setpoint step (multistage)
Value range Access Default pa-
rights rameter
setting
0..1000 s User 40 s
0.5..10 % User 1 %
1..10 s User 3 s
0..2000 °C User ---
0..100 bar
0..2000 °C User ---
0..100 bar
-50..+50 % Wcurrent User 1.0 %
0..+50 % Wcurrent User 10 %
-50..+50 % Wcurrent User -2 %
0..+50 % Wcurrent User 10 %
0..+50 % Wcurrent User 8 %
0..+50 % Wcurrent User 6 %
0..1000 User 300
0..1000 User 600
Service
0..2000 °C Service 95 °C
-50..0 % TL_Thresh_Off Service -5 %
Service
deactivated Service deactivated
activated
0..100 % Wcurrent Service 20 %
0..100 % Service 15 %
1..100 % Wcurrent Service 5 %
1..100 % Wcurrent Service 5 %
LMV51 LMV52
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CC1P7550en
13.08.2004