11 Maintenance and service
Installer reference guide
82
ERGA04~08DAV3(A) + EHVH04+08S23DAV
Daikin Altherma – Low temperature split
4P499573-1 – 2017.12
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 page81.
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 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 Rolled‑up filter
b Strainer
c Protrusion
5 Install and properly tighten the bottom of the water filter
housing.
11.5.3 To install the water filter
CAUTION
Check the condition of the O-rings and replace if needed.
Apply water to the O-rings before installation.
1 Install the water filter in the correct location.
a Clip
b Water filter
c Air purge valve
2 Install the 2 clips to fix the water filter to the water circuit pipes.
3 Make sure that the air purge valve of the water filter is in the
open position.
4 Open the valve (if equipped) of the water circuit towards the
expansion vessel.
CAUTION
Make sure to open the valve (if equipped) towards the
expansion vessel, otherwise the overpressure will be
generated.
5 Open the stop valves and add water to the water circuit if
needed.
Final English - Tanslations in progress
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