12
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Maintenance and service
Installer reference guide
213
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1 – 2019.07
12.5.1 To remove the water filter
Prerequisite:
Stop the unit operation 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:
▪
"6.2.5 To open the indoor unit"
▪
"6.2.6 To lower the switch box on the indoor unit"
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
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 up spilled water.
12.5.2 To clean the water filter in case of trouble
1
Remove the water filter from the unit. See
213].
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.
