Viessmann Vitocrossal 300 Service Instructions For Contractors page 129
Gas condensing boiler with matrix gas burner and lambda pro control, natural gas and lpg version open and balanced flue operation
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Also See for Vitocrossal 300:
- Service instructions manual (164 pages) ,
- Service manual (108 pages) ,
- Installation instructions manual (56 pages)
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Internal connection diagram
A8
Internal extension H1 or H2
X ...
Electrical interfaces
aA
Ionisation electrode
sA
Circulation pump for cylinder
heating
dG
Gas solenoid valve
fÖ
Power supply
(cont.)
gD
External safety solenoid valve
(LPG)
gF
Ignition unit
lH
Power supply of accessories
a-Ö
Fan motor
a-ÖA Fan motor control
Designs
129
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