SERVICING

44 SERVICING SCHEDULE

WARNING. Always turn OFF the gas supply at the gas service cock, and switch OFF and disconnect the electricity supply to the appliance before servicing.

To ensure the continued safe and efficient operation of the appliance it is recommended that it is checked at regular intervals and serviced as necessary. The frequency of servicing will depend upon the installation condition and usage but should be carried out at least annually.

It is the law that any service work must be carried out by a CORGI registered installer. In IE service work must be carried out by a competent person.

1.Light the boiler and carry out a pre-service check, noting any operational faults.

2.Clean the main burner.

3.Clean the heat exchanger & ‘S’ trap.

4.Check the condition of the combustion chamber insulation. Any cracked, damaged or displaced pieces should be replaced.

5.Check the main injector for blockage or damage.

6.Wherever possible remove and clean the condensate ‘S’ trap (refer to Frame 44) and check the drain for blockage.

7.Check that the flue terminal is unobstructed and that the flue system is sealed correctly.

The servicing procedures are covered more fully in Frames 44-51 and MUST be carried out in sequence.

Note. In order to carry out either servicing or replacement of components the boiler front panel and sealing panel must be removed. Refer to Frames 45 and 46.

IMPORTANT.

8.After completing the servicing or exchange of components always test for gas soundness.

9.When work is complete the sealing panel MUST be correctly refitted, ensuring that a good seal is made.

Do NOT OPERATE the boiler if the sealing panel is not fitted.

10.If, for any reason, the condensate ‘S’ trap has been removed ensure the trap is refilled with water before reassembling.

11.Check the gas consumption.

12.Connect a suitable gas analyser to the sampling point on the top of the boiler (refer to Frame 45) or into the flue terminal if access is possible (optional test).

For correct boiler operation, the CO/CO2 content of the flue gas should not be greater than 0.004 ratio.

13.Complete the service section in the Benchmark Commissioning Checklist.

SERVICING

45BOILER FRONT PANEL REMOVAL

1.Remove the 2 screws from the underside of the appliance.

2.Pull the front panel forward at the bottom and lift to disengage it from the top lugs.

46BOILER SEALING PANEL/ BOTTOM PANEL REMOVAL

1.To remove the sealing panel remove the 4 screws.

2.Remove the panel.

3.To remove the bottom panel remove the 2 screws.

4.Pull the RH side of the panel down. Slide it to the right and withdraw.

nm7808

icos - Installation & Servicing

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IDEAL INDUSTRIES HE18 Servicing Servicing Schedule, Boiler Front Panel Removal, Boiler Sealing PANEL/ Bottom Panel Removal
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HE12, HE15, HE18, HE24 specifications

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