
1 User instructions ..................................................................................................................... 5
1.1 User guide ............................................................................................................. 5
1.1.1 Symbols ................................................................................................................. 5
1.1.2 Target group ......................................................................................................... 6
1.2 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 Inputs and outputs ............................................................................................... 9
3.1.1 Gas burner ............................................................................................................ 9
3.1.2 Oil burner ............................................................................................................ 10
3.1.3 Dual fuel burner ................................................................................................. 11
3.2 Technical data ................................................................................................... 12
3.2.1 Electrical data ................................................................................................... 12
3.2.2 Ambient conditions ........................................................................................... 12
3.2.3 Dimensions ......................................................................................................... 13
4 Operation .................................................................................................................................. 14
4.1 Operating panel ................................................................................................ 14
4.2 Display ................................................................................................................. 16
4.2.1 Info level .............................................................................................................. 17
4.2.2 Service level ....................................................................................................... 20
4.2.3 Parameter level .................................................................................................. 22
4.2.4 Access level ....................................................................................................... 26
4.3 Linearisation ....................................................................................................... 27
5 Electrical connection ........................................................................................................... 28
6 Commissioning ...................................................................................................................... 29
6.1 Gas burner ......................................................................................................... 29
6.2 Gas burner with speed control ...................................................................... 34
6.3 Oil burner ............................................................................................................ 40
6.4 Dual fuel burner ................................................................................................. 45
6.4.1 Adjusting gas side ............................................................................................ 45
6.4.2 Adjusting oil side ............................................................................................... 50
7 Troubleshooting .................................................................................................................... 55
7.1 Procedures for fault conditions ..................................................................... 55
7.1.1 Display off ........................................................................................................... 55
7.1.2 Display flashes ................................................................................................... 55
7.1.3 Detailed fault code ........................................................................................... 56
Installation and operating instruction
Combustion manager W-FM 25
83293902 • 2/2014-09 • La 3-66