ACV International
49
9
MAINTENANCE
The appliance and the installation should be checked and if necessary cleaned every
year by a registered expert.
CAUTION
Work on gas-carrying parts may only be carried out by an
authorised installer.
When the appliance has just been operating parts may be
hot.
9.1.1
Disassembly
1.
Switch the appliance off with the
key.
2.
Remove the plug from the wall socket.
3.
Close the gas tap.
4.
Open the display cover and turn the two screws on the left- and right-hand side of
the display and remove the front panel.
5.
Wait until the appliance has cooled down.
6.
Unscrew the coupling nut at the base of the flue pipe anti-clockwise.
7.
Slide the flue pipe upwards (1) turning it anti-clockwise until the bottom of the pipe is
above the condensate drain pan connection.Pull the bottom of the pipe forwards (2)
and remove the pipe downwards (3) turning it anti-clockwise.
8.
Lift the condensate drain pan on the left-hand side from the connection to the siphon
(4) and turn it to the right with the siphon connection over the edge of the base tray
(5). Push the back of the condensate drain pan downward from the connection to
the heat exchanger (6) and remove it from the appliance..
9.
Remove the connector from the fan and the ignition unit from the gas block.
10.
Unscrew the coupling below the gas block.
11.
Unscrew the socket head screws from the front cover and remove this complete
with gas block and fan to the front. (NB ensure that the burner, insulation plate, gas
block, gas supply and fan do not get damaged.)
12.
Remove the stem strips positioned crossways in the heat exchanger plates.
9.1.2
Cleaning
1.
Clean the stem strips and plates of the heat exchanger from top to bottom with a
brush or compressed air..
2.
Clean the underside of the heat exchanger.
3.
Clean the condensate drain pan with water.
4.
Clean the siphon with water. (if necessary, the side branch on the siphon may be
sawn off.)
