Daikin Altherma 3 H HT F - Maintenance and Service; Maintenance Safety Precautions; Yearly Maintenance; Yearly Maintenance Outdoor Unit: Overview

13 | Maintenance and service
Installer reference guide
241
EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03
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.
In this chapter
13.1 Maintenance safety precautions............................................................................................................................................ 241
13.2 Yearly maintenance ................................................................................................................................................................ 241
13.2.1 Yearly maintenance outdoor unit: overview ......................................................................................................... 241
13.2.2 Yearly maintenance outdoor unit: instructions..................................................................................................... 242
13.2.3 Yearly maintenance indoor unit: overview............................................................................................................ 242
13.2.4 Yearly maintenance indoor unit: instructions ....................................................................................................... 242
13.3 To drain the domestic hot water tank ................................................................................................................................... 245
13.4 To inspect the inside of the domestic hot water tank........................................................................................................... 246
13.5 About cleaning the water filter in case of trouble ................................................................................................................. 247
13.5.1 To remove the water filter..................................................................................................................................... 247
13.5.2 To clean the water filter in case of trouble ........................................................................................................... 248
13.5.3 To install the water filter........................................................................................................................................ 249
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 outdoor unit: overview
Check the following at least once a year:
▪ Heat exchanger
▪ Water filter