Siemens LMV51 Series Basic Documentation page 5

Siemens Building Technologies
HVAC Products
Pressure switch-max-Oil (PSmax-Oil) X5-02 ....................................... 41
−
Start release-oil (START) X6-01 .......................................................... 41
−
Direct heavy oil start (HO-START) X6-01 ............................................ 41
−
Fan contactor contact (FCC) or FGR-PS X4-01................................... 41
−
4.1.2 Digital outputs................................................................................................ 42
Alarm output, type No-SI X3-01 .......................................................... 42
−
Output fan, type No-SI X3-01............................................................... 42
−
Output ignition, type SI (IGNITION) X4-02........................................... 42
−
Outputs valves-oil , type SI (V...) X8-02, X8-03, X7-01, X7-02 ........... 42
−
Outputs valves -gas, type SI (V..., SV, PV) X9-01 ............................... 42
−
Output oil pump / magnetic clutch, type No-SI X6-02 .......................... 43
−
Output «Start signal» or «PS valve» (APS test valve) type No-SI
−
(START) X4-03 .................................................................................... 43
4.2 Program sequence ........................................................................................ 44
4.2.1 Parameters .................................................................................................... 44
Time parameters................................................................................... 44
−
4.2.2 Gas valve proving.......................................................................................... 45
Recommendation .............................................................................. 45
−
Determination of VP leakage rate ..................................................... 46
−
4.2.3 Special functions during the program sequence ........................................... 47
Lockout phase (Phase 00) .................................................................... 47
−
Safety phase (Phase 01) ...................................................................... 47
−
Reset / manual lockout ......................................................................... 47
−
Characteristics .................................................................................. 47
−
Characteristics .................................................................................. 47
−
Signaling star preventions .................................................................... 48
−
Forced intermittent operation ................................................................ 48
−
Program stop function........................................................................... 48
−
Gas shortage program .......................................................................... 49
−
Sequence diagram ............................................................................ 49
−
Part load shutdown ............................................................................... 49
−
Normal / direct start .............................................................................. 50
−
Continuous fan operation...................................................................... 50
−
Continuous pilot control (only LMV52) .................................................. 50
−
Response to extraneous light in standby .............................................. 50
−
4.2.4 Selection of fuel ............................................................................................. 51
Selection of fuel with the fuel selector on the LMV5... .......................... 51
−
Selection of fuel on the AZL5................................................................ 51
−
Selection of fuel via BACS (modbus /ebus ........................................... 51
−
Fuel changeover ................................................................................... 51
−
4.2.5 Sequence diagrams....................................................................................... 52
Direct gas ignition ................................................................................. 52
−
Gas pilot ignition 1 ................................................................................ 53
−
Gas pilot ignition 2 ................................................................................ 54
−
Light oil direct ignition ........................................................................... 55
−
Heavy oil direct ignition ......................................................................... 56
−
Light oil with gas pilot ignition ............................................................... 57
−
Heavy oil with gas pilot ignition ............................................................. 58
−
Legend to the sequence diagrams ....................................................... 59
−
5 Fuel / air ratio control (FARC) .................................................................... 60
5.1 General.......................................................................................................... 60
Basic Documentation LMV5...
5/301
CC1P7550en
13.08.2004