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Viessmann vitosolic 100 Operating Instructions page 4

Control units for solar heating systems

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What to do if ...
... Solar heating system will not start
Cause
Fuse inside control unit has blown
... DHW cylinder stays cold
Cause
Control unit faulty
... DHW cylinder is not reloaded by the boiler
Cause
Heating and time program incorrectly
set at boiler control unit
... red fault lamp flashes and
Cause
Sensor fault in the solar heating
system
Your contact
Contact your local heating contractor for questions regarding maintenance
and repair of your heating system.
You may, for example, find local heating contractors under
www.viessmann.de on the internet.
Viessmann Werke GmbH & Co
D 35107 Allendorf
Tel:
Fax:
www.viessmann.de
4
+49 6452 70 0
+49 6452 70 27 80
Remedy
Notify your local heating contractor
Remedy
Notify your local heating contractor
Remedy
DHW heating must be enabled
is displayed
Remedy
Notify your local heating contractor:
Read off the fault code
B 888.8 Short circuit
B
888.8 Break in the lead
Viessmann Limited
Hortonwood 30, Telford
Shropshire, TF1 7YP , GB
Tel:
+44 1952 675000
Fax:
+44 1952 675040
E-mail: info-uk@viessmann.com

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