Siemens LMV51 Series - Page 135

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
52 Interv 2
72 PostPPos
76 PostPFGR
O2Contr/Guard Parameter settings for O2 control and monitor function User x
GasSettings Parameter settings for firing on gas Service x
OptgMode Operating mode of O2 controller / monitor when firing on gas 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 High-Fire P-part of O2 trim controller for nominal load 3..500 % Service invalid x
I High-Fire I-part of O2 trim controller for nominal load 0..500 s Service invalid x
Tau High-Fire Time constant Tau of O2 trim controller's controlled system for
nominal load
1..27 s OEM invalid x
O2 CtrlThreshold Minimum load O2 control (gas) 0..100 % Service 0 % x
Type of Fuel Selection of type of gas user def
naturalGasH
naturalGasL
propane
butane
Service naturalGasH x
Fuel user def User-defined setting of the fuel parameters Service x
V_LNmin Air volume under standard conditions and lambda = 1 0.00..40.00 Service 9.90 x
V_afNmin Flue gas volume wet under standard conditions and lambda =
1
0.00..40.00 Service 10.93 x
V_atrNmin Flue gas volume dry under standard conditions and lambda =
1
0.00..40.00 Service 8.89 x
A2 Adjustable constant for calculating the combustion efficiency
(gas)
0.40..0.80 Service 0.65 x