Vaillant auroTHERM VFK 145 H/V Installation Manual page 20

4
3
Fig. 4.26 Mounting the hydraulic connections (6-12 collectors)
Fig. 4.27 Screwing the side sections
Installation manual auroTHERM 0020057148_03
1
2
1
Installation 4
n
With fields arranged side by side
h Note
If you connect 6 or more collectors
one after another, the hydraulic con-
nections must be arranged diagonal-
ly, to force a complete flow.
• Insert the return (inlet) (2) in the lower
side opening on one side and, diagonally
across it, the supply (outlet with opening
for collector sensor) (4) into the upper
side opening.
• Insert the collector sensor into the corre-
sponding opening in the supply.
• Fix connections and plugs with the clamps.
• Mount the plug without valve (3) in the
lower part of the collector.
• Mount the plug with bleeding valve (1) in
the highest position.
• Connect the collector supply and return to
the system with the connection pipes.
• If necessary check the connections for
leaks.
n
With fields arranged side by side
• Fix the side sections to the roof battens
with the supplied brackets (1) and bolts no.
2 using the supplied Torx bit.
• Make sure that the side section is on the
collector frame and that it is locked.
GB
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