3.8 CLEANING THE HEAT EXCHANGER
3.9 RE-ASSEMBLY
1. Refer to Sections 3.2 & 3.3.
2. Remove Fan, Burner and Venturi Assembly.
Refer to Section 3.4.
3. Once the front of the heat exchanger is open,
the heat exchanger may be cleaned with a
hand brush and vacuum cleaner to remove
any debris.
4. Ret in reverse order.
3
1. Reassemble the boiler in the following order:
2. Ensure the condensate trap is engaged in the base of the
boiler and connected to the outlet with the pipe from the heat
exchanger connected.
3. Ret the fan to the burner assembly. Refer to Section 3.4.
4. Ret the venturi to the fan and burner assembly. Refer to Section
3.4.
5. Ret the burner/fan/venturi assembly into the heat exchanger
and secure. Refer to Section 3.4.
6. Ret the gas pipe and secure with the 2 clips. Refer to Section
3.4.
7. Reconnect the ignition/detection/earth/fan leads.
8. Swing the control panel back into its working position. Refer to
Section 3.3.
9. Ret the front panel ensuring that a good seal is made. Refer to
Section 3.2.
10. Turn on the gas supply at the gas service cock. Refer to Section
2.23.
11. Reconnect the electrical supply.
12. Check the operation of the boiler. Refer to Sections 2.24 - 2.27.
SERVICING
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