13 | Maintenance and service
Installer reference guide
98
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680077-1 – 2021.11
13 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 authorised installer or service agent.
We recommend performing maintenance at least once a year. However, applicable
legislation might require shorter maintenance intervals.
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent tonnes: GWP value of the
refrigerant × total refrigerant charge [in kg] / 1000
In this chapter
13.1 Maintenance safety precautions............................................................................................................................................ 98
13.2 Yearly maintenance ................................................................................................................................................................ 98
13.2.1 Yearly maintenance indoor unit: overview............................................................................................................ 98
13.2.2 Yearly maintenance indoor unit: instructions ....................................................................................................... 99
13.3 To drain the domestic hot water tank ................................................................................................................................... 100
13.1 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.
13.2 Yearly maintenance
13.2.1 Yearly maintenance indoor unit: overview
▪ Pressure relief valve of the domestic hot water tank
▪ Switch box
▪ Booster heater of the domestic hot water tank
To Next Page
Loading...
Need help?
General
