12 Troubleshooting
Installer reference guide
81
ERGA04~08DAV3(A) + 08S23DAV
Daikin Altherma – Low temperature split
4P499573-1A – 2018.11
3
Close the valve (if equipped) of the water circuit towards the
expansion vessel.
4
Remove the cap on the bottom of the magnetic filter/dirt
separator.
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.
a
b
a
a
Clip
b
Magnetic filter/dirt separator
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 magnetic filter/dirt separator
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
.
CAUTION
To protect the piping connected to the magnetic filter/dirt
separator from damage it is recommended to perform this
procedure with the magnetic filter/dirt separator removed
from the unit.
2
Unscrew the bottom of the water filter housing. Use an
appropriate tool if needed.
CAUTION
Opening the magnetic filter/dirt separator is ONLY required
in case of severe issues. Preferably this action is never to
be done during the complete lifetime of the magnetic filter/
dirt separator.
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 magnetic filter/dirt
separator housing using the protrusions.
a
b
c
c
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
c
b
a
a
Clip
b
Magnetic filter/dirt separator
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.
12
Troubleshooting
12.1
Overview: Troubleshooting
This chapter describes what you have to do in case of problems.
It contains information about:
