Unigas TP90A-TP91A, Руководство по установке, использованию и обслуживанию

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PART III: MAINTENANCE
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At least once a year carry out the maintenance operations listed below. In the case of seasonal servicing, it is recommended to carry
out the maintenance at the end of each heating season; in the case of continuous operation the maintenance is carried out every 6
months.
ROUTINE MAINTENANCE

Clean and examining the gas filter cartdrige, if necessary replace it (see next paragraphs).

Removal, examination and cleaning of the combustion head (Fig. 8 and the following).

Check the ignition and detection electrodes, clean and adjust if necessary (see Fig. 10). In case of doubt, check the detection cur-
rent according to the schemes in Fig. 30-Fig. 31.

Cleaning and greasing of sliding and rotating parts.
Gas filter maintenance
To clean or remove the filter, proceed as follows:
1
remove the cap unscrewing the fixing screws (A);
2 remove the filtering cartridge (B), clean it using water and soap, blow it with compressed air(or replace it, if necessary)
3 replace the cartridge in its proper position taking care to place it inbetween the guides as not to hamper the cap replacement;
4 be sure to replace the “O” ring into its place (C) and replace the cover fastening by the proper screws (A).
WARNING: ALL OPERATIONS ON THE BURNER MUST BE CARRIED OUT WITH THE MAINS DISCONNECTED
AND THE FUEL MANAUL CUTOFF VALVES CLOSED!
ATTENTION: READ CAREFULLY THE “WARNINGS” CHAPTER AT THE BEGINNIG OF THIS MANUAL.
ATTENTION when servicing, if it was necessary to disassemble the gas train parts, remember to execute the gas proving
test, once the gas train is reassembled, according to the procedure imposed by the law in force.
ATTENTION: Before opening the filter, close the manual cutoff valve downstream the filter and bleed the gas; check that
inside the filter there is no pressurised gas.
A
B C
PART III: MAINTENANCE