13
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Maintenance and service
Installer reference guide
175
E EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09
13.2 Checklist for yearly maintenance of the outdoor unit
Check the following at least once a year:
▪
Heat exchanger
The heat exchanger of the outdoor unit can get blocked up due to dust, dirt,
leaves, etc. It is recommended to clean the heat exchanger yearly. A blocked
heat exchanger can lead to too low pressure or too high pressure leading to
worse performance.
13.3 Checklist for yearly maintenance of the indoor unit
Check the following at least once a year:
▪
Water pressure
▪
Magnetic filter/dirt separator
▪
Water pressure relief valve
▪
Relief valve hose
▪
Pressure relief valve of the domestic hot water tank
▪
Switch box
▪
Descaling
▪
Chemical disinfection
Water pressure
Keep water pressure above 1 bar. If it is lower, add water.
Magnetic filter/dirt separator
b
a
c
d
a
Screw connection
b
Magnetic sleeve
c
Drain valve
d
Drain cap
The yearly maintenance of the magnetic filter/dirt separator consists of:
▪
Checking if both parts of the magnetic filter/dirt separator are still screwed
tight (a).
▪
Emptying the dirt separator as follows:
1
Take off the magnetic sleeve (b).
2
Unscrew the drain cap (d).
3
Connect a drain hose to the bottom of the water filter so that the water and
dirt can be collected in a suitable container (bottle, sink...).
4
Open the drain valve for a couple of seconds (c).
Result:
Water and dirt will come out.
