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9 Lift the condensate drain pan on the left-hand side from the
connection to the condensate trap.
10 Turn it to the right with the condensate trap connection over the
edge of the base tray.
11 Push the backside of the condensate drain pan downwards
from the connection to the heat exchanger and remove it.
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05
14 Maintenance and service
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.
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.
Installer reference guide
85
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