Viessmann VG III - Page 39

39
Connection and wiring diagrams
Connection and wiring diagram (cont.)
5692Ă534ĂGB
Jumper
up to
from
Burner control unit
Gas
governor
Fuel valve 1
Hours run
counter
stage 1
external
Air pressure
switch
Ignition
transformer
Flame
monitor
External
fault message
Flame monitor
Ignition
transformer
Air pressure switch
Fuel valve 1Gas governor