Notes On Settings And Parameter Settings - Siemens LMV37.4 Series Basic Documentation

Building Technologies
1.8

Notes on settings and parameter settings


When adjusting the electronic fuel-air ratio control system integrated in the
LMV37.4, allow for sufficient amounts of excess air since – over a period of time –
the flue gas settings are affected by a number of factors (e.g. density of air, wear of
actuators and controlling elements, etc.). For this reason, the flue gas values initially
set must be checked at regular intervals

To safeguard against inadvertent or unauthorized parameter transfer from the PC
software ACS410 to the LMV37.4, the OEM must assign an individual burner
identification for each burner. Compliance with this regulation is mandatory to
ensure that the LMV37.4 prevents the transfer of parameter sets of some other
plant (with inadequate and possibly dangerous parameter values) to the LMV37.4
via the PC software ACS410. In addition, the fuel-air ratio control parameters must
be manually approached and the combustion values checked

With the LMV37.4, it is to be noted that the unit's characteristics are determined
primarily by the specific parameter settings rather than the type of LMV37.4. This
means that, among other things, each time a plant is commissioned, the parameter
settings must be checked and the LMV37.4 must not be transferred from one plant
to another without adapting the parameter settings to the new plant

When using the ACS410 PC software, the safety notes given in the relevant
Installation and Operating Instructions (J7352) must also be observed

A password protects the parameter level against unauthorized access. The OEM
allocates individual passwords to the setting levels he can access. The default
passwords used by Siemens must be changed by the OEM. These passwords are
confidential and may only be given to persons authorized to access such setting
levels

The responsibility for setting the parameters lies with the person who – in
accordance with his access rights – made changes to the respective setting level
In particular, the OEM (burner and / or boiler manufacturer) assumes
responsibility for the correct parameter settings in compliance with the standards
covering the specific applications (e.g. EN 267, EN 676, EN 746-2, etc.).
Basic documentation LMV37.4...
1 Safety notes
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CC1P7546en
17.12.2018