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8
Header connection
Information on laying the header pipes can be found in
the complete station installation instructions.
The pipework connection to the header pipes is made
using the long flexible solar hoses. It is not permitted to
connect a fixed header pipe directly to the collector.
i
USER NOTE
Use standard ventilation tiles or pipe con-
duits when laying the connection pipes
(solar hoses) under the roof.
Use a specialist company to route the
header pipes under the roof.
i
USER NOTE
Feed the sensor cable together with the
flow line through the ventilation tile under
the roof.
8.1
De-airing through pressure filling
If venting of the solar heating system is carried out using
a pressure filling pump, no vent is required on the roof.
B Push the long solar hose (1000 mm, Fig. 53, Item 3)
onto the flow connection on the collector array and
fix in place using hose clip (Fig. 53, Item 4).
B Insert hose nozzle with compression fitting (Fig. 53,
Item 2) into the solar hose as far as it will go, and
fix in place with hose clip.
B Feed solar hose together with the sensor cable
through the ventilation tile (Fig. 52, Item 1) and
through the roof insulation.
B Connect header pipe to the R¾ hose nozzle with
compression fitting (22 mm) (Fig. 53, Item 2).
Repeat the same procedure with the return connection.
6 720 613 577 (2006/04)
Fig. 52 Routing connection pipes under the roof
Item 1: Flow line
Item 2: Return line
Item 3: Sensor cable
4
Fig. 53 Fitting flow line (with no vent on roof)
Item 1: Ventilation tile
Item 2: R¾ hose nozzle with compression fitting
Item 3: Solar hose 1000 mm
Item 4: Hose clip with quick release ring
Header connection
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