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Maintenance and service
Installer reference guide
166
C08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
12 Maintenance and service
NOTICE
Maintenance MUST be done by an authorized installer or service agent.
We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.
12.1 Overview: Maintenance and service
This chapter contains information about:
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The yearly maintenance of the indoor unit
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Cleaning the gas boiler
12.2 Maintenance safety precautions
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
NOTICE: Risk of electrostatic discharge
Before performing any maintenance or service work, touch a metal part of the unit in
order to eliminate static electricity and to protect the PCB.
12.2.1 Opening the indoor unit
"7.2.2 To open the switch box cover of the indoor unit"
12.3 Checklist for yearly maintenance of the indoor unit
Check the following at least once a year:
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Water pressure
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Water filter
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Water pressure relief valve
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Pressure relief valve of the domestic hot water tank
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Switch box
Water pressure
Keep water pressure above 1 bar. If it is lower, add water.
Water filter
Clean the water filter.