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Troubleshooting
Illust. 39: Removal of the sleeve with measuring tur-
bine
3. Carefully push the sleeve with measuring turbine
out by hand in the direction of fl ow until it moves
freely.
4. Remove the sleeve with measuring turbine.
NOTICE
Overheating of the measuring turbine!
The bearing of the measuring turbine is cooled
by the water fl ow during operation. The use of
compressed air for cleaning can lead to irrepa-
rable damage due to overheating.
f Clean the sleeve with measuring turbine with
running water only.
5. Clean the sleeve with measuring turbine. Remove
any residue such as hemp remains with (running)
water.
Direct the fl owing water through the sleeve in the
opposite direction to the fl ow. This is where a water
hose with an appropriate spray nozzle is particularly
suitable.
6. Check whether the measuring turbine is free from
extraneous substances and running smoothly once
again.
7. If the measuring turbine cannot be disassembled
even once it has been removed, the sleeve with
measuring turbine must be replaced.
9.4.2.2
Installation of the measuring turbine
Once removed, the fl at seals cannot be reused.
Use new seals for reassembly (see „4.2 Sealing
set" auf Seite 20).
Illust. 40: Installation of the measuring turbine
44
Illust. 41: Correct positioning of the measuring turbine
1. Reinstall the sleeve with measuring turbine back in
the system component by following this sequence
in reverse order.
Ensure the opening for the measuring sensor
is in the correct position (see Illust. 41). The
opening must be positioned directly beneath
the opening for the measuring sensor to be
installed.
2. Insert the locking ring (see position 22 in Illust. 38
on page 43).
3. Reinstall the system component by following this
sequence in reverse order.
4. Install the fl ow sensor (position (5) in Illust. 37) and
the temperature sensor for potable cold water /
circulation (position (12) in Illust. 37).
Observe the correct positioning of the O-rings.
5. Close the lower fi ll and drain ball valve for potable
cold water (see position 17 in Illust. 36
1 on page 10 ).
6. Bleed the potable water circuit (see section 7.2 on
page 29)
7. Restore the power supply.
"Regumaq X-25"
and in Illust.
138112581-V01.10.2019
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