12
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Maintenance and service
12.3 Checklist for yearly maintenance of the outdoor unit
12.4 Checklist for yearly maintenance of the indoor unit
Installer reference guide
152
WARNING
▪
Before carrying out any maintenance or repair activity, ALWAYS switch off the
circuit breaker on the supply panel, remove the fuses or open the protection
devices of the unit.
▪
Do NOT touch live parts for 10 minutes after the power supply is turned off
because of high voltage risk.
▪
Please note that some sections of the electric component box are hot.
▪
Make sure you do NOT touch a conductive section.
▪
Do NOT rinse the unit. This may cause electric shocks or fire.
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.
Check the following at least once a year:
▪
Water pressure
▪
Water filters
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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
▪
Chemical disinfection
Water pressure
Keep water pressure above 1 bar. If it is lower, add water.
Water filters
Clean the water filters.
NOTICE
Handle the water filters with care. Do NOT use excessive force when you reinsert the
water filters so as NOT to damage the water filters mesh.
ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1 – 2019.10