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

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.
14.4.3

To clean the inside of the gas boiler

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 Hybrid hydrosplit heat pump
4P531180-1 – 2018.06
14 Maintenance and service
14.4.4

To assemble the gas boiler

CAUTION
▪ When fitting the various seals, check them for damage,
hardening, tears or hairline tears, and/or discolouration.
Replace them when necessary.
▪ Check the position of the seals.
▪ Not fitting the sensors S1 and/or S2 or fitting them
incorrectly can result in serious damage.
▪ Warranty will be void by NOT correctly replacing the
removed parts.
1 Check the correct position of the seal around the front cover.
2 Place the front cover on the heat exchanger and secure by
using the socket head screws plus serrated lock washers.
3 Tighten the socket head screws equally hand-tight by turning
the hex key clockwise.
4 Fit the gas connection below the gas valve.
5 Fit the connector to the fan and the ignition unit to the gas
valve.
6 Fit the condensate drain by sliding on the exchanger outlet
stump with the condensate trap connection still in front of the
base tray.
a
a Base tray
7 Turn the condensate drain to the left and push it downwards
into the condensate trap connection. Make sure in doing this
that the back of the condensate drain pan comes to rest on the
lug of the back of the base tray.
Installer reference guide
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