Viessmann Vitoflame 100 Service Instructions Manual page 35

Connection and wiring diagram (cont.)
Note
This wiring diagram only applies in conjunction with Viessmann products.
fA
Burner plug at the control
unit
90 D
Internal connection inside
plug−in connector lÖ
F 1 Fuse in the connection panel
TR/STB Safety assembly inside the
control unit
K.. Burner relay contact
1 qW Plug−in terminals at the
burner control unit
Colour coding to DIN IEC 60757
BK black
BK* black cable with imprint
BN brown
BU blue
GNYE green/yellow
RD red
Connection and wiring diagram
A Control unit components
B Burner control unit
(program sequence see page 25)
C Servomotor
D Control burner stage 2
hours run counter stage 2,
external
E Fuel valve 2
F Burner motor
G Gas pressure limiter
H Fuel valve 1
I Hours run counter stage 1
external
K Air pressure switch
L Ignition transformer
M Flame monitor
N External fault message
35