Ariston L 64 Technical Information PDF herunterladen (Seite 34)

maintenance

Important

Maintenance is an essential part of the safe and

ecient operation of the boiler and ensures its

durability. It should be performed according to the

instructions given in current legislation. Perform

combustion analysis regularly in order to check the

operating eciency of the boiler and to make sure

any polluting substances released are within the

boudaries set by current legislation.

Before beginning maintenance work:

- Disconnect the appliance from the electricity

supply by turning the external bipolar switch to

the “OFF” position;

- Remove the fuse;

- Close the gas valve and the central heating and

domestic hot water system valves.

After the work has been completed the initial settings

will be restored.

General comments

It is recommended that the following inspections be

carried out on the boiler at least once a year:

1. Check the seals in the water part and, if necessary,

replace the gaskets and restore the seal to perfect

working order.

2. Check the seals in the gas part and, if necessary,

replace the gaskets and restore the seal to

perfect working order.

3. Visually check the overall condition of the

boiler.

4. Visually check the combustion and, if necessary,

disassemble and clean the burner.

5. Following the inspection detailed in point

“3”, disassemble and clean the combustion

chamber, if necessary.

6. Following the inspection detailed in point “4”,

disassemble and clean the burner and injector,

if necessary.

7. Cleaning the primary heat exchanger

8. Make sure the following heating safety devices

are operating correctly:

- temperature limit safety device.

9. Make sure that the following gas part safety

devices are operating correctly:

- absence of gas or ame safety device

(ionisation).

10. Check the eciency of the domestic hot water

production process (test the ow rate and

temperature).

11. Perform a general inspection of the boiler

operation.

12. Remove oxide from the detection electrode

using an emery cloth.

13. After servicing, complete the relevant Service

Interval Record section of the Benchmark

Checklist located on page 54 of this manual.

14. These checks are not exhaustive. Further

mechanical, electrical and combustion

maintenance checks may be required.

Operational test

After having carried out the maintenance operations,

ll the heating circuit at a pressure of approximately

1.5 bar and release the air from the system.

Fill the domestic hot water system at the same time.

- Begin operating the boiler.

- If necessary, release the air from the heating

system again.

- Check the settings and make sure all the

command, adjustment and monitoring parts are

working correctly.

- Check the ue system is sealed and operating

correctly.

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