Solfex IRC 2.1 System Installation, Commissioning And Maintenance Manual page 11

Installation instructions – Wooden frame collectors
In-roof installation
Make the group's inlet and outlet connections run
through the attic space by means of clamping ring
If the collectors are being connected using Pre-insulated flexible pipe work, it is advisable to
fix the pipe work in position first using suitable brackets or strap band before making final joint
connection of the solar collectors, this will prevent the joint being disturbed at a later stage
causing leakage of solar fluid.
ALWAYS CHECK CONNECTION JOINTS FOR TIGHTNESS PRIOR TO
FIXING FLASHING KIT!
(19)
Place the linings, mounds the junctions and
secure using a hex spanner.
Do NOT fasten too strongly. This might damage
the collector's connections.
(20)
bends.
Technical changes may be made without notice
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Installing the collectors - page 11