Fitting The Connection Set - Viessmann Vitosol 300-T Installation Instructions For Contractors

Vacuum tube collector based on the heat pipe principle
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Making the hydraulic connections

Fitting the connection set

Components
Installation information
■ All pipes must be cut at a right angle
and deburred.
■ Lubricate all O-ring seals only with the
special grease provided.
(cont.)
■ Initially turn the union nut by hand,
then tighten with an open ended span-
ner by a further ¾ turn.
■ Never fit annealed copper pipes onto
the locking ring fittings.
19

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