Vaillant auroTHERM VFK 145/2 H Installation Manual page 29

4
3
Fig. 5.23 Fitting the hydraulic connections (1-5 collectors)
4
3
Fig. 5.24 Fitting the hydraulic connections (6-12 collectors)
Installation manual auroTHERM 0020100606_02
Procedure for a horizontal row of up to
1
5 collectors.
> Connect the flow line (outlet with opening
for collector sensor) (1) at the top on one
side.
> Connect the return (inlet) (2) at the bot-
tom.
> Fit the two plugs with bleed openings at
2
the top and bottom of the collector on
the other side of the collector array
(3 and 4).
> Secure the connections and plugs with
the clips.
> Connect the collector flow and return
lines to the system with the connecting
pipes.
> Perform the previously listed steps for all
horizontal rows.
After assembly of all rows:
> Remove the red plug from the outlet on
the uppermost row of the collector array.
> Insert the collector sensor into the open-
ing.
> Use a cable tie to prevent the collector
sensor from slipping out.
i
1
Procedure for a horizontal row:
> Fit a plug with bleed opening (1) on one
side at the top.
> Insert the return line (inlet) (2) into the
2
lower opening at the side.
> Insert the flow line (outlet with opening
for collector sensor) (4) into the upper
side opening diagonally opposite.
> Fit a further plug with bleed opening (3)
at the bottom.
> Secure the connections and plugs with the
clips.
> Connect the collector flow and return lines
to the system with the connecting pipes.
> Perform the previously listed steps for all
horizontal rows.
Assembly 5
If you connect 6 or more collec-
tors one after another, the hydrau-
lic connections must be arranged
diagonally, to force a complete
flow.
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