Daikin EKHWC500BA [21/36] X taking out of operation
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Daikin EKHWC500BA [21/36] X taking out of operation

Daikin EKHWC500BA [21/36] X taking out of operation
6 x Taking out of operation
Daikin EKHWP/EKHWC/EKHWD
Daikin High-efficiency hot water storage tank
008.1618744 – 03/2017
Installation and operating instructions
21
6 Taking out of operation
6.1 Temporary shutdown
6.2 Draining the storage tank
6.2.1 With pre-mounted KFE filling connection
● Connect the drain hose to the KFE filling connection
(fig. 6-1 / fig. 6-2) and to a waste water drainage point which
is at least at ground level.
● Only with solar system:
Adjust the valve insert on the connecting angle so that the
path to the drain hose is opened (fig. 6-2).
● Open the KFE filling connection and drain the water out of
the storage tank (
fig. 6-1 / fig. 6-2).
6.2.2 With subsequently fitted KFE filling connection
● Install the KFE filling connection (accessory KFE BA)
subsequently.
● Drain the storage tank content as described in chap.6.2.1.
6.2.3 Without KFE filling connection
With solar system
Without solar system
Alternative:
1. Remove the hose connection piece (fig. 6-3, item C) from the
safety overflow (fig. 6-3, item B).
If installed: Switch off the power supply to the Daikin
electric immersion heater / booster heater.
CAUTION!
A heating system which is shut down can freeze
in the event of frost and may suffer damage.
● In the event of a danger of frost, start the
entire Daikin heating system up again and
activate the frost protection function or take
the appropriate frost protection measures for
the hot water storage tank (e.g. by draining).
If there is a risk of frost for a few days only, the excellent
heat insulation of the Daikin EKHWP / EKHWC /
EKHWD hot water tank means that it need not be
drained as long as the storage tank temperature is
observed regularly and does not fall below +3
°C. This does not,
however, provide any protection against frost for the connected
heat distribution system.
If a storage tank temperature of less than +3 °C is reached, the
STB of the electric immersion heater / booster heater automati-
cally triggers. This prevents consequential damage to the
electric immersion heater caused by frost when starting up
again.
WARNING!
Danger of scalding caused by emerging hot
water from the storage tank.
● Allow the hot water storage tank to cool down
adequately before any installation work.
● Wear protective gloves.
Fig. 6-1 Draining process with-
out solar system
Fig. 6-2 Draining process with
solar system
Draining is only possible with the KFE filling con-
nection (accessory KFE BA) (see chap. 6.2.1).
Draining with the KFE filling connection (accessory
KFE BA) is recommended.
Fig. 6-3 Step 1 Optional: Removing the connec-
tion piece from the safety overflow
2. Remove the cover plate
from the filling and
emptying fitting.
3. Remove the cover plate
from the handle and
unscrew the threaded
piece (
fig. 6-4, item E) from
the storage tank container.
Fig. 6-4 Working steps 2 + 3
1.
2.
E

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