Viessmann Vitotron 100 Operating Instructions For The System User page 3

Safety instructions
Working on the appliance
All settings and work on the appliance
■
must be carried out as specified in
these operating instructions. Further
work on the appliance may be carried
out only by authorised contractors.
Do not open the appliance.
■
Do not remove the casing.
■
Never change or remove fitted
■
accessories or attachments.
Do not open or tighten pipe
■
connections.
Damage to the appliance
Danger
Damaged equipment poses a
safety hazard. Check the appliance
for external damage. Do not
commission a damaged appliance.
Water escaping from the appliance
Danger
Water escaping from the appliance
represents a risk of electric shock.
Switch off the heating system at
■
the external isolator (e.g. fuse box,
domestic distribution board).
Notify your local heating
■
contractor.
If the heating system develops a fault
Danger
Fault messages indicate faults in
the heating system. If faults are
not rectified, they can have life
threatening consequences.
Do not acknowledge fault
messages several times in quick
succession. Inform your heating
contractor so the cause can be
analysed and the fault rectified.
(cont.)
Safety instructions
Danger
Hot surfaces can cause burns.
Do not open the appliance.
■
Do not touch the hot surfaces
■
of uninsulated pipes and fittings.
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