Daikin ERLA03DAV3, Руководство по установке для специалистов, Страница: 148 / 192

12 | Maintenance and service
Installer reference guide
148
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1A – 2020.05
12 Maintenance and service
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
12.1 Overview: Maintenance and service...................................................................................................................................... 148
12.2 Maintenance safety precautions............................................................................................................................................ 148
12.3 Checklist for yearly maintenance of the outdoor unit........................................................................................................... 149
12.4 Checklist for yearly maintenance of the indoor unit ............................................................................................................. 149
12.4.1
To drain the domestic hot water tank ................................................................................................................... 152
12.5 About cleaning the water filter in case of trouble................................................................................................................. 152
12.5.1
To remove the water filter..................................................................................................................................... 152
12.5.2 To clean the water filter in case of trouble ........................................................................................................... 153
12.5.3 To install the water filter........................................................................................................................................ 154
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
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.
WARNING
▪
Before carrying out any maintenance or repair activity, ALWAYS switch off the
circuit breaker on the supply panel, remove the fuses or open the protection
devices of the unit.
▪
Do NOT touch live parts for 10 minutes after the power supply is turned off
because of high voltage risk.
▪
Please note that some sections of the electric component box are hot.
▪
Make sure you do NOT touch a conductive section.
▪
Do NOT rinse the unit. This may cause electric shocks or fire.