Wiring Diagram - Viessmann VITOFLAME 200 Service Instructions Manual

Additional information

Wiring diagram

Control unit
components
On−site
supply
27/28
Gas pressure
valve
Burner motor
Air pressure
valve
Ign.
transformer
Gas valves
Flame monitor
Function sequence during start−up
Ext. burner Gas pressure Air pressure
fault valve valve
Control program LMG 21.330 Control program LMG 21.350
TW − Waiting time approx. 8s TW − Waiting time
T10 − Default time for T10 − Default time for
air pressure signal min. 5s air pressure signal
T1 − Pre−flush time min. 30s T1 − Pre−flush time
TSA − Safety time start−up max. 3s TSA − Safety time start−up
T3 − Pre−ignition time approx. 2s T3 − Pre−ignition time
Burner Gas Op. lamp or
motor valve hours run counter
ext. (control unit)
Legend
fA
Burner plug on the control unit
F 1.1 Fuse in plug−in module
TR/STB Safety equipment inside the
control unit
K.. Burner relay contact
approx. 8s
1 qW Plug−in terminals on the gas
burner control unit
min. 5s
A Start command
min. 30s
B − B' Interval for the flame to be
max. 5s
approx. 2s established
C Burner operating position
achieved
C − D Burner operation
D Controlled switch−off
Colour coding conforming to DIN/IEC 757
Ign. Flame
BK black
transformer monitor
BN brown
BU blue
GNYE green/yellow
RD red
1)
Connection of assembly modules and
accessories via system plug−in connector fA
(e.g. KNL, extension lead, etc.)
2)
Connection of external safety equipment via
system plug−in connector aBÖ
3)
Connection of external control off−switch via
system plug−in connector aBÖ
4)
Connection for external burner ON
Please note:
This wiring diagram only applies in
conjunction with Viessmann products.