Siemens LMS14 User Manual

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Building Technologies Division User Manual LMS14… CC1U7471en
Contents 28.01.2015
6.35.1 Program selection ........................................................................................ 535
6.35.2 Forced intermittent operation ....................................................................... 535
6.35.3 Burner control program ................................................................................ 535
6.35.4 Burner capacities ......................................................................................... 536
6.35.5 Sequence diagram for burner capacities ≤120 kW and Release QAA fan
param [4337.1] = ON ................................................................................................... 537
6.35.6 Sequence diagram for burner capacities >120 kW and Release QAA fan
param [4337.1] = ON ................................................................................................... 538
6.35.7 Sequence diagram for burner capacities ≤120 kW and Release QAA fan
param [4337.1] = OFF ................................................................................................. 539
6.35.8 Sequence diagram for burner capacities >120 kW and Release QAA fan
param [4337.1] = OFF >120 kW” ................................................................................. 540
6.35.9 Repetition counter ....................................................................................... 544
6.35.10 Description of sequence diagrams .............................................................. 545
6.35.11 Fan speed control ........................................................................................ 551
6.35.12 Filter for fan speed setpoint (OEM) ............................................................. 552
6.36 PWM limitation ............................................................................................. 556
6.36.1 Supervising air supply by monitoring current fan speed .............................. 556
6.37 Chimney drying ............................................................................................ 558
6.38 Fan parameters settable as load values via QAA75…/AVS37… ................ 559
6.38.1 Limitation of ionization current ..................................................................... 566
6.38.2 Ionization current maintenance ................................................................... 567
6.39 Modulating pump ......................................................................................... 568
6.39.1 Modulation of heating circuit pump .............................................................. 568
6.39.2 Behavior when burner cycles ...................................................................... 570
6.39.3 Limitation of boiler temperature differential ................................................. 571
6.39.4 Conditions for limiting the boiler’s temperature differential .......................... 572
6.39.5 Limitation dependent on pump modulation .................................................. 572
6.39.6 Limitation to the maximum differential ......................................................... 573
6.39.7 Limitation to the nominal differential ............................................................ 574
6.40 List of displays ............................................................................................. 575
6.40.1 Error code list .............................................................................................. 575
6.40.2 Maintenance code ....................................................................................... 578
6.41 Lockout/local reset ....................................................................................... 579
6.41.1 Lockout ........................................................................................................ 579
6.41.2 Local reset via the reset button ................................................................... 579
6.42 Remote reset ............................................................................................... 580
6.42.1 Additional activation of remote reset capability ........................................... 580
6.42.2 Restrictions in connection with remote reset ............................................... 580
6.43 Production ................................................................................................... 581
6.43.1 Monitoring mains voltage/mains frequency ................................................. 583
7 Plant diagrams ............................................................................................. 584
7.1 Basic diagrams ............................................................................................ 584

Siemens LMS14 Specifications

General

Brand	Siemens
Model	LMS14
Category	Control Unit
Language	English