Weishaupt WG20-/1-C LN Series Manual page 3

83240802 1/2020-01 La
Installation and operating instruction
Gas burner WG20.../1-C LN
7 Commissioning .............................................................................................................. 29
7.1 Prerequisite ................................................................................................................. 29
7.1.1 Connect measuring devices ............................................................................ 30
7.1.2 Check gas connection pressure ..................................................................... 31
7.1.3 Check soundness of gas valve train .............................................................. 32
7.1.4 Purging the gas valve train ............................................................................... 35
7.1.5 Preset pressure regulator ................................................................................. 36
7.1.6 Setting values ...................................................................................................... 39
7.1.7 Preset gas and air pressure switch ............................................................... 41
7.2 Adjusting the burner .................................................................................................. 42
7.3 Set pressure switches .............................................................................................. 44
7.3.1 Set gas pressure switch ................................................................................... 44
7.3.2 Set air pressure switch .................................................................................... 45
7.4 Concluding work ........................................................................................................ 46
7.5 Check combustion ..................................................................................................... 47
7.6 Calculate gas throughput ......................................................................................... 48
8 Shutdown .......................................................................................................................... 49
9 Servicing ............................................................................................................................ 50
9.1 Notes on servicing ..................................................................................................... 50
9.2 Service plan ................................................................................................................. 51
9.3 Removing and refitting mixing head ....................................................................... 52
9.4 Set mixing head .......................................................................................................... 53
9.5 Set ionisation and ignition electrodes ................................................................... 54
9.6 Service position .......................................................................................................... 55
9.7 Removing and refitting fan wheel ........................................................................... 56
9.8 Remove burner motor ............................................................................................... 57
9.9 Removing and refitting manual adjustment of air damper ................................ 58
9.10 Removing and refitting angle drive ...................................................................... 59
9.11 Removing and refitting gas butterfly valve ......................................................... 60
9.12 Removing and refitting air regulator .................................................................... 61
9.13 Replacing coil on multifunction assembly .......................................................... 62
9.14 Replace breather plug of multifunction assembly ............................................ 63
9.15 Removing and refitting filter insert of multifunction assembly ....................... 64
9.16 Replacing the fuse .................................................................................................. 65
10 Troubleshooting ............................................................................................................ 66
10.1 Procedures for fault conditions ............................................................................ 66
10.1.1 Illuminated push button off ............................................................................ 66
10.1.2 Illuminated push button red ........................................................................... 67
10.1.3 Illuminated push button flashes .................................................................... 70
10.2 Operating problems ................................................................................................ 71
11 Technical documentation ......................................................................................... 72
11.1 Wiring diagram ......................................................................................................... 72
11.2 Conversion table unit of pressure ........................................................................ 74
11.3 Appliance categories .............................................................................................. 75
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