Basic Unit Lmv51.3, Software From V04.80 To V05.10; Basic Unit Lmv50, Relaunch With V10.20 Software - Siemens LMV50 Series Manual

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17. Quick shutdown in multistage operation with a variable speed drive is only still
performed if speed deviations are actually present that are above the parameterized
threshold TolQuickShutdown.
18. Gas with flue gas recirculation function (FGR), oil without flue gas recirculation:
When switching over to oil, it must be ensured that the flue gas recirculation
actuator has been/is closed.
19. Correcting the problem:
When the air rate is adjusted, the message Ramp time too fast "actuator name"
may appear.
20. Extension of the setting range for the valve proving test times (phases 81 and 83)
from 63 seconds to 63 minutes.
Only LMV51.1 (with integrated load controller):
At analog output X63 of the load controller, other values apart from the load can be
delivered (as was previously only possible for the LMV52), refer to chapter Analog
output X63

22.2.1.11 Basic unit LMV51.3, Software from V04.80 to V05.10

With the 2012/2013 release upgrade for the LMV5, the assignment of the software
functions to the LMV5 variants has been rearranged, meaning that the release upgrade
includes functions from the LMV52 as well as completely new functions:
The LMV51.3 contains all the new functions that the LMV51.1 variant has, refer to
previous section for description.
The LMV51.3 also has the following new function:
Additional air pressure switch for VSD application (X4-01 pin 3), refer to chapter Fan
contactor contact / flue gas recirculation pressure switch

22.2.1.12 Basic unit LMV50, relaunch with V10.20 software

With the 2012/2013 release upgrade for the LMV5, a new LMV50 variant for industrial
applications (EN 746-2) has been introduced.
The LMV50 has the same hardware and software functions as the LMV51.3 variant but
also has the following additional functions:
1. Separate flame supervision with 2 flame detectors, refer to chapter Separate flame
supervision
2. High-temperature supervision via an external safety limit thermostat, refer to
chapter High temperature supervision
3. Repetition in the event of No flame at the end of first safety time, up to 2 repetitions
for gas and oil, refer to chapter Repetition counter
4. Continuous pilot
For fuel trains using a pilot, the pilot valve is activated in phases 52...62, refer to
chapter Continuous pilot
5. Cooling function in standby mode, can be activated / deactivated at input
X5-03 pin 3.
- The fan is switched on and monitored as for continuous fan.
- The actuators used for determining the amount of air are driven to the postpurge
positions, refer to Cooling function in standby mode
6. Maximum safety time gas and maximum safety time oil (for the first safety time and
second safety time) increased to 10 seconds, see section Parameter list.
7. Flame supervision via external, safety-related flame safeguard, refer to chapter
External flame supervision
8. Long postpurge time (tn3) up to 65,535 minutes can be set, refer to chapter Long
postpurge time
Basic Documentation LMV5...
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