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Maintenance and service
Installer reference guide
219
ERGA04~08EAV3(A) + EHBH/X04+08EA/EJ6V+9W
Daikin Altherma 3 R W
4P629085-1 – 2020.08
13.3 Yearly maintenance
13.3.1 Yearly maintenance outdoor unit: overview
Check the following at least once a year:
▪
Heat exchanger
13.3.2 Yearly maintenance outdoor unit: instructions
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.
13.3.3 Yearly maintenance indoor unit: overview
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Water pressure
▪
Magnetic filter/dirt separator
▪
Water pressure relief valve
▪
Pressure relief valve of the domestic hot water tank
▪
Switch box
▪
Booster heater of the domestic hot water tank
13.3.4 Yearly maintenance indoor unit: instructions
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...).
