Checklist For Yearly Maintenance Of The Outdoor Unit; Checklist For Yearly Maintenance Of The Indoor Unit - Daikin Altherma 3 R F Installer's Reference Manual

12 | Maintenance and service

12.3 Checklist for yearly maintenance of the outdoor unit

12.4 Checklist for yearly maintenance of the indoor unit

Installer reference guide
164
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.
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.
Check the following at least once a year:
▪ Water pressure
▪ Magnetic filter/dirt separator
▪ Water pressure relief valve
▪ Relief valve hose
▪ Pressure relief valve of the domestic hot water tank
▪ Switch box
▪ Descaling
▪ Chemical disinfection
Water pressure
Keep water pressure above 1 bar. If it is lower, add water.
Magnetic filter/dirt separator
a
b
c
d
a Screw connection
b Magnetic sleeve
c Drain valve
d Drain cap
The yearly maintenance of the magnetic filter/dirt separator consists of:
ERLA03DAV3 + EHFH03S18DJ3V
Daikin Altherma 3 R F
4P596806-1 – 2019.10