Siemens LMV5 Series - Documentation and Service; Supplementary Documentation References; Service Notes and Life Cycle

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Siemens Building Technologies Basic Documentation LMV51... CC1P7550en
HVAC Products 01.10.2003
− Outputs valves -gas, type SI (V..., SV, PV) X9–01 ...............................39
− Output oil pump / magnetic clutch, type No-SI X6–02 ..........................40
− Output «Start signal» or «PS valve» (APS test valve) type No-SI
(START) X4–03 ....................................................................................40
1.1 Program sequence ........................................................................................41
1.1.1 Parameters....................................................................................................41
− Time parameters...................................................................................41
1.1.1 Gas valve proving..........................................................................................42
− Recommendation..............................................................................42
− Determination of VP leakage rate .....................................................43
1.1.1 Special functions during the program sequence ...........................................44
− Lockout phase (Phase 00).................................................................... 44
− Safety phase (Phase 01) ...................................................................... 44
− Reset / manual lockout .........................................................................44
− Characteristics .................................................................................. 44
− Characteristics .................................................................................. 44
− Signaling start preventions ...................................................................45
− Forced intermittent operation................................................................45
− Program stop function...........................................................................45
− Gas shortage program..........................................................................46
− Sequence diagram............................................................................46
− Part load shutdown ...............................................................................46
− Normal / direct start .............................................................................. 47
− Continuous fan operation......................................................................47
− Response to extraneous light in standby..............................................47
1.1.1 Selection of fuel ............................................................................................. 48
− Selection of fuel with............................................................................. 48
− the fuel selector on the LMV5... ............................................................48
− Selection of fuel ....................................................................................48
− on the AZL5... ....................................................................................... 48
− Selection of fuel via BACS (modbus /ebus ...........................................48
− Fuel changeover ...................................................................................48
1.1.1 Sequence diagrams....................................................................................... 49
− Direct gas ignition .................................................................................49
− Gas pilot ignition 1 ................................................................................50
− Gas pilot ignition 2 ................................................................................51
− Light oil direct ignition ........................................................................... 52
− Heavy oil direct ignition ......................................................................... 53
− Light oil with gas pilot ignition ...............................................................54
− Heavy oil with gas pilot ignition.............................................................55
− Legend to the sequence diagrams ....................................................... 56
1 Fuel / air ratio control (FARC) ....................................................................57
1.1 General..........................................................................................................57
1.1.1 Program sequence ........................................................................................57
− Standby.................................................................................................57
− Preventilation ........................................................................................57
− Ignition .................................................................................................. 58
− Traveling to the operating position........................................................58
− Operation ..............................................................................................58
− End of operating position ......................................................................58
− Postpurging...........................................................................................59