Daikin Altherma EVLQ05+08CA, Installer'S Reference Manual

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12 | Maintenance and service
Installer reference guide
196
EHYH EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
12 Maintenance and service
Especially for UK:
After servicing, complete the relevant Service Interval Record section of the
Benchmark Checklist located on the backpages of this document.
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:
▪ The yearly maintenance of the outdoor unit
▪ The yearly maintenance of the indoor unit
▪ 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
See "7.2.3 To open the switch box cover of the indoor unit" [
4
57].
12.3 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.