14
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Maintenance and service
Installer reference guide
268
ERRA08~12E + ELVH/23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
14.2 Yearly maintenance
14.2.1 Yearly maintenance outdoor unit: overview
Check the following at least once a year:
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Heat exchanger
14.2.2 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.
14.2.3 Yearly maintenance indoor unit: overview
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Water pressure
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Magnetic filter/dirt separator
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Water pressure relief valve
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Relief valve hose
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Pressure relief valve of the domestic hot water tank
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Switch box
▪
Descaling
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Chemical disinfection
14.2.4 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:
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Checking if both parts of the magnetic filter/dirt separator are still screwed
tight (a).
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Emptying the dirt separator as follows:
1
Take off the magnetic sleeve (b).