To Remove The Water Filter; To Clean The Water Filter In Case Of Trouble; To Install The Water Filter; Erga04~08Dav3(A) + Ehvz04+08S18+23Da - Daikin ERGA08DAV3 Installer's Reference Manual

11 Maintenance and service
11.5.1

To remove the water filter

Prerequisite: Stop the unit operation (via the user interface, central
controller, operation switch, ...).
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 25
▪ "7.2.5 To lower the switch box on the indoor unit" on
page 26
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 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
a
b
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
the water filter" on page 78.
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.
Installer reference guide
78
b
a
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.
5 Install and properly tighten the bottom of the water filter
housing.
11.5.3
"11.5.1 To remove
1 Install the water filter in the correct location.
a
b
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.
a Bottom part to be unscrewed
b Water filter housing
INFORMATION
Correctly install the strainer in the magnetic filter/dirt
separator housing using the protrusions.
c
b
c a
a Rolled‑up filter
b Strainer
c Protrusion

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.
c
a
a Clip
b Magnetic filter/dirt separator
c Air purge valve

ERGA04~08DAV3(A) + EHVZ04+08S18+23DA +

EHVZ04+08S18+23DJ
Daikin Altherma 3 R F
4P495249-1B – 2019.06