Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 157

Control unit assembly
Pos. Part
0001 Connecting cable, heating element (wearing part)
0002 Connecting cable, boiler cleaning
0003 Connecting cable, boiler circuit pump
0004 Connecting cable, boiler valve
0005 Connecting cable, primary stepper motor
0006 Connecting cable, secondary stepper motor
0007 Connecting cable, ash removal motor
0008 Power cable, grate drive
0010 Flow temperature sensor
0011 Return temperature sensor
0012 Flue gas temperature sensor
0013 Lambda probe NTK (wearing part)
0014 Connecting cable, Lambda probe
0015 Limit switch, ash box
0016 Distributor box, firebed monitoring
0017 Light barrier
0018 Connecting lead, pellet sensor
0019 Connecting lead, pellet grate sensor
0020 Weather sensor
0021 Strain relief fittings
0022 Retainer housing, RGK high limit safety cut-out
0023 High limit safety cut-out
0024 Temperature sensor Pt1000
0025 Corrugated hose DN 10
0026 Oval diaphragm grommet
0027 Grommets
0028 Side section, open
0029 Side section, open, L=90
0030 PCB KSK
0031 HKK 2.01 PCB
0032 ZPK 2.02 PCB
0033 Power supply unit, boiler control unit
0034 Earthing jumper
0035 Button cell (wearing part)
0036 Microfuses
0037 KSK plug set low voltage
0038 KSK plug set 230 V
0039 HKK plug set low voltage
0040 HKK plug set 230 V
0041 ZPK plug set low voltage
0042 ZPK plug set 230 V
0043 Spacer set
0044 Spacers (10 pce)
0045 Richco spacers (4 pce)
0046 Ignition element (wearing part)
(cont.)
Parts lists
157