Fitting The Connection Set - Viessmann VITOSOL 300-T Installation Instructions Manual

Hydraulic connections
Connecting pipes should not show
any signs of damage.
Lubricate all plug-in connectors (O-
rings) found on the collectors only
with the special grease supplied with
the connection set.
1. Remove the retaining clips.
2. Insert the connecting pipes.
3. Push the next connecting chamber
carefully against the first and insert
the connecting pipes.

Fitting the connection set

Observe the following when installing
the locking ring fitting:
All pipes must be cut at a right angle
and deburred.
Push the union nut and the locking
ring onto the pipe and lightly lubri-
cate the threads with oil.
(cont.)
4. Secure the connecting pipes with
retaining clips; click clips into the
groove in the connecting pipes
through the holes in the collector
connectors.
5. Align and secure the connecting
chamber (see page 23).
6. Cut the thermal insulation linearly,
fit it and join its cut faces with adhe-
sive.
Push the pipe into the locking ring
fitting as far as it will go.
Initially turn the union nut by hand,
then tighten with an open ended
spanner by a further ¾ turn.
Never fit annealed copper pipes onto
the locking ring fittings.
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