SERVICING AND SPARES
Greenstar Highflow CDi
ErP
- 6720818077 (2016/04)
34
Fig. 48 Burner removal
6.7.2
To check the flap valve in the fan intake
▶ Refer to section 6.9.3 on page 38 for access to the fan intake.
▶ Carefully withdraw the flap valve from fan intake tube and check for
soiling and splits, clean or replace as required.
▶ Take care when refitting the flap valve, the flaps must open upwards
into the fan intake tube.
▶ After re-assembly check CO/CO
2
levels as described in the section
“Setting the air/gas ratio” on page 36.
6.7.3
To clean the condensate trap
▶ Remove the condensate pump refer to section 6.9.4
▶ Remove the screw retaining the trap
▶ Rotate the condensate trap anti-clockwise by 90°
▶ Pull the trap down from the sump connection
▶ Angle the trap backwards and remove from the boiler
▶ Release the cap and dispose of the debris into a suitable container
▶ Replace the cap
▶ Before replacing the trap, fill with at least 250ml of clean water
▶ Replacing the trap is the reverse of the removal procedure
▶ Reconnect the condensate pump and the pipe from the trap
▶ Reconnect the condensate disposal pipe
Fig. 49 Condensate trap access
6.7.4
Cleaning the heat exchanger
Fig. 50 Cleaning kit
6720818079-25.1W
o
2
4
6
8
5
7
2a
2b
1
4a
WARNING:
Cleaning access cover
▶ Do not remove the cover unless a new gasket is
available for re-assembly.
NOTICE: After completing the appliance service the
CO/CO
2
must be checked and set to the limits in the
section “AIR/GAS RATIO”.
An accessory kit is available (No. 840) specifically
designed for cleaning the heat exchanger containing:
new seal, cleaning brush and knife/rasp.
If required order 7 719 001 996.
6720818077-04.1Wo
6720818079-24.1Wo
