5792 651 GB
9/2017
Dispose after installation.
Installation information
for contractors
VIESMANN
Fitting the vacuum tubes
for Vitosol 300-TM, type SP3C
Safety instructions
Please follow these safety instructions closely to prevent accidents
and material losses.
Safety instructions explained
Danger
This symbol warns against the
risk of injury.
!
Please note
This symbol warns against the
risk of material losses and envi-
ronmental pollution.
Installation, commissioning, inspection,
maintenance and repairs must only be
carried out by a competent person
(heating engineer/installation contrac-
tor).
Before working on the equipment/heat-
ing system, isolate the power supply
(e.g. by removing a separate mains
fuse or by means of a main isolator)
and safeguard against unauthorised
reconnection.
Repairing components that fulfil a
safety function can compromise the
safe operation of your heating system.
For replacements, use only original
spare parts supplied or approved by
Viessmann.
Fitting the vacuum tubes
Danger
Handle the vacuum tubes care-
fully. Broken vacuum tubes can
cause cuts.
Wear gloves and safety gog-
gles.
Danger
The vacuum tube condenser
becomes very hot under insola-
tion.
Wear safety gloves.
