34
SERVICING
isar -
Installation and Servicing
Ecl 6075
2
Sump cover
3
Detection earth
probe
Heat exchanger
Condensate trap
Condensate drain pipe
Elongated bolt.
Ecl2444
2
3
48
CLEANING THE HEAT EXCHANGER
Reassemble the boiler in the following order:
1. Refit the condensate ‘S’ trap, ensuring that it is full of water.
2. Refit the sump cover.
3. Refit the electrodes. (Check dimensions; Frames 56 & 57).
4. Refit the burner.
5. Refit the fan / venturi assembly.
6. Reconnect the fan electrical lead.
1. Remove ignition and flame detection electrodes. Refer
to Frames 56 & 57.
2. Remove the 3 screws retaining the sump cover and
remove.
3. Using a suitable tool as supplied in the standard British
Gas Flue brush kit, clean between the heat exchanger
fins from the top of the heat exchanger.
4. Access to the base of the heat exchanger is now
possible. Brush clean any deposits from the base of the
heat exchanger and remove any loose deposits from the
sump.
5. Inspect the ignition and detection electrodes. Ensure
that they are clean and in good condition - replace if
necessary.
6. Check that the ignition and detection gaps are correct.
Refer to Frames 56 & 57.
7. Check the condition of the combustion chamber
insulation. Any cracked/damaged pieces should be
replaced.
Note.
Take care not to disturb the detection earth probe at
the rear of the combustion chamber.
7. Refit the boiler sealing panel.
IMPORTANT.
Ensure that the boiler sealing panel is correctly fitted and
that a good seal is made.
8. Swing the control box back into its working position and
secure.
9. Refit the display unit.
10. Refit the boiler front and bottom panels.
11. Turn on the gas supply at the gas service cock.
12. Reconnect the electrical supply.
49
REASSEMBLY
1. Swing the control box down into the
servicing position. Refer to Frame 44.
2. Disconnect the condensate drain pipe.
3. Remove the screw and elongated bolt,
pull the trap down and forward to
remove.
4. Flush out any deposits with clean
water.
47 CLEANING THE CONDENSATE 'S' TRAP
SER
VICING
Содержание isar m30100
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