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14 Maintenance and service
In this chapter
14.1 Maintenance safety precautions
14.1.1 Opening the indoor unit
14.2 Checklist for yearly maintenance of the outdoor unit
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
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 authorised installer or service agent.
We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.
14.1
Maintenance safety precautions............................................................................................................................................ 207
14.1.1
Opening the indoor unit......................................................................................................................................... 207
14.2
Checklist for yearly maintenance of the outdoor unit........................................................................................................... 207
14.3
Checklist for yearly maintenance of the indoor unit ............................................................................................................. 208
14.4
To disassemble the gas boiler ................................................................................................................................................ 209
14.5
To clean the inside of the gas boiler ...................................................................................................................................... 212
14.6
To assemble the gas boiler ..................................................................................................................................................... 213
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.
See
"7.2.3 To open the switch box cover of the indoor
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.
14
Maintenance and service
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4
unit" [
53].
Installer reference guide
207
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