To Clean The Inside Of The Gas Boiler - Daikin Altherma H Hybrid EJHA04AAV3 Installer's Reference Manual

15 | Maintenance and service

15.4.3 To clean the inside of the gas boiler

Installer reference guide
202
11 Push the backside of the condensate drain pan downwards from the
connection to the heat exchanger and remove it.
12 Remove the connector from the fan and the ignition unit from the gas valve.
13 Unscrew the coupling below the gas valve.
14 Unscrew the socket head screws from the front cover and remove the socket
complete with gas valve and fan to the front.
NOTICE
Make sure that the burner, insulation plate, gas valve, gas supply and fan do NOT get
damaged.
1 Clean the heat exchanger from top to bottom with a plastic brush or
compressed air.
2 Clean the underside of the heat exchanger.
3 Clean the condensate drain pan with water.
4 Clean the condensate trap with water.
EJHA04AAV3 + EHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P531180-1D – 2025.03