14 | Maintenance and service
Installer reference guide
196
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
14 Maintenance and service
NOTICE
General maintenance/inspection checklist. Next to the maintenance instructions in
this chapter, a general maintenance/inspection checklist is also available on the
Daikin Business Portal (authentication required).
The general maintenance/inspection checklist is complementary to the instructions
in this chapter and can be used as a guideline and reporting template during
maintenance.
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.
In this chapter
14.1 Maintenance safety precautions............................................................................................................................................ 196
14.2 Yearly maintenance ................................................................................................................................................................ 196
14.2.1 Yearly maintenance outdoor unit: overview ......................................................................................................... 196
14.2.2 Yearly maintenance outdoor unit: instructions..................................................................................................... 197
14.1 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.
14.2 Yearly maintenance
14.2.1 Yearly maintenance outdoor unit: overview
Check the following at least once a year:
▪ Heat exchanger
▪ Water filter
▪ Water pressure
▪ Water pressure relief valve
▪ Switch box
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