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4. Testing the boiler
4.1. Preliminary checks
Before testing the boiler, it is recommended to carry out the following checks:
- compliance of flue gas discharge ducts and terminal installation according to instructions:
when the boiler is operating no
products generated by combustion are to leak from any gasket;
- power mains supply to boiler is 230 V – 50 Hz;
- the system is correctly loaded (water pressure gauge is to display 1 / 1.3 bar);
- all stopcocks in the system piping are to be open;
- gas type is to be in accordance to boiler specifications: convert the boiler to the available gas type (see 3.6. section “
Adaptation to
other gases and burner adjustment
”); the procedure is to be performed by technically qualified personnel;
- gas supply stopcock is to be open;
- no gas leaks are to be detected;
- electric power switch, external to the boiler is to be on;
- boiler 3 bar safety valve is not to be blocked;
- water leaks are not to be detected;
- pump is not to be blocked.
Should the boiler not be installed in compliance with current laws and standards, inform the system supervisor
and do not test the boiler.
4.2. Switching on and switching off
For boiler switching on and switching off procedure follow § 1. “
Instructions for the User
”.
5. Maintenance
Have the boiler periodically serviced in compliance with standards applicable in the country of installation.
Appropriate heating unit maintenance ensures efficient operation, environment preservation, and safety for people, animals and
objects.
Maintenance and repair procedures are strictly to be carried out by qualified personnel.
The manufacturer recommends Customers to contact an authorized Service Centre for all maintenance and repairs, which are best trai-
ned for the purpose.
Before implementing any maintenance involving replacement of components and/or cleaning of internal boiler parts,
disconnect electrical power supply to the boiler.
Maintenance schedule
Routine maintenance schedule must include:
the following checks:
- general integrity of the boiler;
- boiler and network gas supply leakage;
- gas supply pressure to boiler;
- boiler ignition sequence;
- boiler combustion parameters by analysis of flue gas;
- flue gas system integrity, good state of preservation, and absence of leaks;
- combustion fan correct operation;,
- general integrity of boiler safety devices;
- absence of water leaks and oxidized areas on boiler couplings;
- efficiency of the system safety valve;
- expansion vessel loading pressure;
- safety flow switch efficiency preventing low water pressure operation.
the following cleaning is to be performed:
- general boiler internal areas;
- gas nozzles;
- air intake and flue gas exhaust system;
- heat exchanger;
- siphon and condensate discharge pipes.
When operating for the very first time to the boiler, also check:
- boiler room suitability;
- duct diameter and length in the flue gas system;
- boiler installation in accordance to this “
Installation use and maintenance
” manual instructions.
Should the boiler not correctly operate, while not creating any danger to people, animals or property, inform the
system supervisor both verbally and in writing.
Summary of Contents for TAHITI CONDENSING KC24
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