Viessmann VITODENS 100-W Installation And Service Instructions Manual page 69

Control unit assembly
0005 Cable harness X20
0006 Ignition cable with angled plug
5 kΩ
0007 Gas valve cable
0005
(cont.)
0008 Fan connecting cable
0009 Cable harness stepper motor
0010 Fuse 2.5 A (slow) 250 V
0001
0002
0010
0003
0002
0004
0006 0007
0002
0003
0010
0008
Parts lists
0009
69