To Clean The Inside Of The Gas Boiler; To Assemble The Gas Boiler - Daikin Altherma EHYKOMB33AA Installations- Und Bedienungsanleitung

14 Maintenance and service
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.
Installation and operation manual
36
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.
14.3 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

To assemble the gas boiler

CAUTION
▪ During maintenance, the front plate seal MUST be
replaced.
▪ When assembling, check the other seals for damage,
such as hardening, (hairline) fracture and discoloration.
▪ If necessary, place a new seal and check the correct
positioning.
▪ If retarders are NOT or incorrectly fitted, it may lead to
serious damage.
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.
Daikin Altherma hybrid heat pump – gas boiler module
EHYKOMB33AA
4P353067-1L – 2022.09