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INSTALLATION - EVACUATED TUBES
INSTALLATION ON A PITCHED METAL ROOF
Fasten the base frame to the roof battens/purlins as shown in the diagram below. The base rails should sit on the
peak of the roofing material to minimise the chance of water leaks. The frame must be fastened to the battens in
at least 9 locations. Fasteners should be as close as possible to the header and the bottom support assemblies. It
will be necessary to drill through the aluminium base frame.
For timber battens/purlins use 14G, Ø6.3 timber
screws (or equivalent) with a minimum embedment of
35 mm into the batten.
For a metal batten/purlin use 14G, Ø6.3 tek screws
(or equivalent). Minimum steel thickness 0.75 mm,
grade 550.
All penetrations into the roof material are to be sealed
by the installer. It is the responsibility of the installer to
ensure the installation is watertight.
Rinnai
20
EVT DD Solar Pre Heat System Operation and Installation Manual
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