Siemens LMV51 Series Basic Documentation 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
O2Contr/Guard
GasSettings
Siemens Building Technologies Basic Documentation LMV5...
HVAC Products 7 Display and operating unit AZL5...
Menu level 4 Menu level 5 Menu level 6
OptgMode
O2 Control
O2 Monitor
Control Param
P Low-Fire
I Low-Fire
Tau Low-Fire
P High-Fire
I High-Fire
Tau High-Fire
O2 CtrlThreshold
Type of Fuel
Fuel user def
V_LNmin
V_afNmin
V_atrNmin
A2
Description
Parameter settings for O2 control and monitor function
Parameter settings for firing on gas
Operating mode of O2 controller / monitor when firing on gas
Parameter settings for O2 trim control
Parameter settings for monitoring the function
P-part of O2 controller with low-fire
I-part of O2 controller with low-fire
Time constant Tau of O2 controller's controlled system with
low-fire
P-part of O2 trim controller for nominal load
I-part of O2 trim controller for nominal load
Time constant Tau of O2 trim controller's controlled system for
nominal load
Minimum load O2 control (gas)
Selection of type of gas
User-defined setting of the fuel parameters
Air volume under standard conditions and lambda = 1
Flue gas volume wet under standard conditions and lambda =
1
Flue gas volume dry under standard conditions and lambda =
1
Adjustable constant for calculating the combustion efficiency
(gas)
Value range Access Default pa- LMV51 LMV52
rights rameter
setting
52 Interv 2
72 PostPPos
76 PostPFGR
User
Service
auto deact Service man deact
man deact
O2 Limiter
O2 Control
conAutoDeac
Service
Service
Service
3..500 % Service invalid
0..500 s Service invalid
1..27 s OEM invalid
3..500 % Service invalid
0..500 s Service invalid
1..27 s OEM invalid
0..100 % Service 0 %
user def Service naturalGasH
naturalGasH
naturalGasL
propane
butane
Service
0.00..40.00 Service 9.90
0.00..40.00 Service 10.93
0.00..40.00 Service 8.89
0.40..0.80 Service 0.65
CC1P7550en
13.08.2004
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