Siemens LMV51 Series, Basic Documentation, Page: 136 / 299

Representation of parameters based on the AZL5... menu structure, «OEM» level, as supplied by Siemens
Menu level 1 Menu level 2 Menu level 3 Menu level 4 Menu level 5 Menu level 6 Description Value range Access
rights
Default pa-
rameter
setting
LMV51 LMV52
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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 7 Display and operating unit AZL5... 13.08.2004
B / 1000 Adjustable constant for calculating the combustion efficiency
(gas)
1..20 Service 9 x
O2 Content Air Oxygen content of air 0..30 % OEM 20.9 % x
Type ofAir-
Change
Impact of air density change on O2 value like theory
like P air
OEM like theory x
O2 OffsetGas O2 offset during change of load gas 0...5 % Serivice 0 % x
LoadCtrlSus-
pend
Difference between delayed and current load 0...25 % Serivice 5 % x
FilterTimeLoad Filter time for delayed load 4...10 Serivice 5 x
OilSettings
Parameter settings for firing on oil Service x
OptgMode Operating mode of O2 controller / limiter when firing on oil auto deact
man deact
O2 Limiter
O2 Control
conAutoDeac
Service man deact x
O2 Control Parameter settings for O2 trim control Service x
O2 Monitor Parameter settings for monitoring the function Service x
Control Param
Service x
P low-fire P-part of O2 controller with low-fire 3..500 % Service invalid x
I low-fire I-part of O2 controller with low-fire 0..500 s Service invalid x
Tau low-fire Time constant Tau of O2 controller's controlled system with
low-fire
1..27 s OEM invalid x
P nominal load P-part of O2 controller with nominal load 3..500 % Service invalid x
I nominal load I-part of O2 controller with nominal load 0..500 s Service invalid x
Tau nominal load Time constant Tau of O2 controller's controlled system with
nominal load
1..27 s OEM invalid x
O2 CtrlThreshold Minimum load O2 control (oil) 0..100 % Service 0 % x
Type of Fuel Selection of type of oil user def
oil EL
oil H
Service oil EL x
Fuel user def
Service x
V_LNmin Air volume under standard conditions and lambda = 1 0.00..40.00 Service 11.2 x
V_afNmin Flue gas volume wet under standard conditions and lambda =
1
0.00..40.00 Service 12.02 x
V_atrNmin Flue gas volume dry under standard conditions and lambda =
1
0.00..40.00 Service 10.53 x