Daikin EHBX08DA9W - 10 Hand-Over to the User; 11 Maintenance and Service; Overview: Maintenance and Service

11 Maintenance and service
Installer reference guide
83
ERGA04~08DAV3(A) + EHBH/X04+08DA
Daikin Altherma – Low temperature split
4P496758-1 – 2017.12
11.5 About cleaning the water filter in
case of trouble
INFORMATION
For yearly maintenance, you do not have to remove the
water filter from the unit to clean it. But in case of trouble
with the water filter, you might have to remove it so that
you can thoroughly clean it. Then you need to do as
follows:
▪ "11.5.1To remove the water filter"on page83
▪ "11.5.2To clean the water filter in case of trouble" on
page83
▪ "11.5.3To install the water filter"on page84
11.5.1 To remove the water filter
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 The water filter is located behind the switch box. To get access
to it, see:
"7.2.3To open the indoor unit"on page30
2 Close the stop valves of the water circuit.
3 Close the valve (if equipped) of the water circuit towards the
expansion vessel.
4 Remove the cap on the bottom of the water filter.
5 Connect a drain hose to the bottom of the water filter.
6 Open the valve on the bottom of the water filter to drain water
from the water circuit. Collect the drained water in a bottle, sink,
… using the installed drain hose.
7 Remove the 2 clips that fix the water filter.
aa b
a Clip
b Water filter
8 Remove the water filter.
9 Remove the drain hose from the water filter.
CAUTION
Although the water circuit is drained, some water may be
spilled when removing the water filter from the filter
housing. ALWAYS clean spilled water.
11.5.2 To clean the water filter in case of trouble
1 Remove the water filter from the unit. See "11.5.1 To remove
the water filter"on page83.
CAUTION
To protect the piping connected to the water filter from
damage it is recommended to perform this procedure with
the water filter removed from the unit.
2 Unscrew the bottom of the water filter housing. Use an
appropriate tool if needed.
CAUTION
Opening the water filter is ONLY required in case of severe
issues. Preferably this action is never to be done during
the complete lifetime of the water filter.
a
b
a Bottom part to be unscrewed
b Water filter housing
3 Remove the strainer and the rolled‑up filter from the water filter
housing and clean with water.
4 Install the cleaned rolled‑up filter and strainer in the water filter
housing.
INFORMATION
Correctly install the strainer in the water filter housing using
the protrusions.
a
b
c
c
a Rolled‑up filter
b Strainer
c Protrusion
Final English - Tanslations in progress