Installation and operating instruction
Combustion Manager W-FM 50
83250302 1/2018-08 La 2-112
1 User instructions..............................................................................................................5
1.1 Target group.................................................................................................................. 5
1.2 Symbols.......................................................................................................................... 5
1.3 Guarantee and Liability............................................................................................... 6
2 Safety .....................................................................................................................................7
2.1 Designated application............................................................................................... 7
2.2 When gas can be smelled......................................................................................... 7
2.3 Safety measures........................................................................................................... 7
2.3.1 Normal operation...................................................................................................7
2.3.2 Electrical connection............................................................................................7
2.3.3 Gas supply..............................................................................................................8
2.4 Alterations to the construction of the equipment ................................................. 8
2.5 Noise emission ............................................................................................................. 8
2.6 Disposal ......................................................................................................................... 8
3 Product description ........................................................................................................ 9
3.1 Function.......................................................................................................................... 9
3.1.1 Burner Control.......................................................................................................9
3.1.2 Low gas programme.............................................................................................9
3.1.3 Valve proving....................................................................................................... 10
3.1.4 Variable speed drive.......................................................................................... 10
3.1.5 Calculation........................................................................................................... 11
3.1.6 Data backup ........................................................................................................ 11
3.1.7 Referencing the actuator.................................................................................. 12
3.1.8 Program sequence............................................................................................. 13
3.1.8.1 Operating phase..........................................................................................13
3.1.8.2 Gas direct ignition.......................................................................................14
3.1.8.3 Gas with ignition pilot valve ......................................................................15
3.1.8.4 Fuel oil EL modulating and multi-stage, heavy oil multi-stage ..........16
3.1.8.5 Medium and heavy oil modulating ...........................................................17
3.2 Inputs ............................................................................................................................18
3.2.1 Voltage supply .................................................................................................... 18
3.2.2 Safety circuit........................................................................................................ 18
3.2.3 Reset..................................................................................................................... 18
3.2.4 Air pressure switch............................................................................................ 18
3.2.5 Minimum pressure switch................................................................................. 19
3.2.6 Max. pressure switch......................................................................................... 19
3.2.7 Valve proving gas pressure switch ................................................................ 20
3.2.8 Heavy oil immediate start ................................................................................. 20
3.2.9 Flame sensor....................................................................................................... 21
3.2.10 Load controller analogue input..................................................................... 22
3.2.11 Load controller building management ........................................................ 22
3.2.12 Load controller via contacts.......................................................................... 23
3.2.13 Fuel Meter ......................................................................................................... 23
3.3 Outputs ........................................................................................................................24
3.3.1 Alarm..................................................................................................................... 24
3.3.2 Motor..................................................................................................................... 24
3.3.3 Ignition .................................................................................................................. 24
3.3.4 Frequency converter.......................................................................................... 24
