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9
Hydraulic connection
SKR6.1R, SKR12.1R - Subject to technical modifications.
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9
Hydraulic connection
For information regarding the routing of pipework
between the components (collectors, solar pump station,
solar cylinder), see the "Solar pump station" installation
instructions.
Connecting pipework
The hydraulic connections to the individual pipes under
the roof are made using the 1 m long flexible connection
pipes. These can be bent a maximum of 90°.
Fig. 37 Fitting connecting pipes to collectors
1
Collector
2
Union nut (pre-fitted)
3
Olive 15 mm (pre-fitted)
4
Connection pipe (already insulated)
B
Connect the pipe [1] to the olive fittings of the
connecting pipes (15 mm or 18 mm pipe).
Fig. 38 Fitted connection pipes and installation of the
pipeline penetrating the roof
B
Fit the return U-bend [2] to the last collector.
B
Insert the cap [1] with fitted thermal insulation into the
insulation on the collector [4]. By pressing and slightly
turning ensure that the cap fits correctly all around
inside the insulation profile.
Fig. 39 Fitting the return feed bend and cap
1
Cap with thermal insulation
2
Return U-bend
3
Locking ring (preassembled)
4
Collector
NOTICE:
Roof leaks through inadequate
weather tightening.
B
Use adequate roof fittings when feeding
the connection pipes through the roof.
B
If necessary, contact a specialist for
assistance.
Route the sensor lead with the flow pipe to
the collector. On some solar twin pipes, the
sensor lead is already fitted underneath
thermal insulation.
NOTICE:
Collector damage through twisted
internal pipes..
B
Hold connection pipe (
Æ
Fig. 37, [4])
using a SW24 spanner.
B
Use a second SW24 spanner to fasten
the union nuts [2].
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6 720 647 042-12.1ITL
CAUTION:
Risk of scalding through fittings
that have not been tightened.
B
Check all fittings for correct tightness.
18
15
6720648182-01.1ST
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2
3
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