Ferroli ATLAS D ECO 34 COND UNIT Instrucciones De Uso, Instalación Y Mantenimiento página 41

ATLAS D ECO COND UNIT
4.3 Maintenance
Periodical check
To ensure correct operation of the unit over time, have qualified personnel carry out a
yearly check, providing for the following:
• The control and safety devices must function correctly.
• The fume exhaust circuit must be perfectly efficient.
• Check there are no obstructions or dents in the fuel supply and return pipes.
• Clean the filter of the fuel suction line.
• Measure the correct fuel consumption
• Clean the combustion head in the fuel outlet zone, on the swirl disc.
• Leave the burner running at full rate for approximately ten minutes, then analyse
the combustion, checking:
- All the elements specified in this manual are set correctly
- Temperatures of the fumes at the flue
- CO2 percentage content
• The air-fume end piece and ducts must be free of obstructions and leaks
• The burner and exchanger must be clean and free of deposits. For possible clean-
ing do not use chemical products or wire brushes.
• The gas and water systems must be airtight.
• The water pressure in the cold water system must be approx. 1 bar; otherwise, bring
it to that value.
• The circulating pump must not be blocked.
• The expansion tank must be filled.
• Check the magnesium anode and replace it if necessary.
The boiler casing, control panel and aesthetic parts can be cleaned with a soft
A
and damp cloth, if necessary soaked in soapy water. Do not use any abrasive
detergents and solvents.
Accessing the electrode and nozzle
• Disconnect the transformer electrode cables and remove the photoresistance 1, and
the union 2 connecting the oil pipe to line 3 of the nozzle. Loosen the screws 4 and
pull out the nozzle-baffle-electrode flange assembly.
• Undo the screw 5 to remove the baffle and screw 6 to remove the electrodes. Proper
cleaning of the nozzle is obtained by removing the filter and cleaning the slots and
spraying hole with petrol, rinsing it with fuel oil. When reassembling everything, pay
attention to the correct positioning of the electrodes-baffle.
6
3
4
1 2 4
fig. 35
5
fig. 36
cod. 3541Q460 - Rev. 00 - 10/2015
Boiler cleaning
1. Disconnect the power supply to the boiler.
2. Remove the burner as described above.
3. Remove the panels "E" and "F" undoing the respective nuts.
4. Clean the inside of the boiler and the entire path of exhaust fumes, using a tube
brush or compressed air.
5. Close the panels.
Cleaning the fume recuperator
To clean the fume recuperator:
• Remove the cover B.
• Remove the fume recuperator closing covers C.
• Carefully clean the inside of the recuperator using an aspirator.
• If particularly dirty, a suitable device for spraying water inside can be used. In this
case, make sure large amounts of water do not come into contact with the cast iron
elements in the smoke chamber. Run the water through the condensate drain D af-
ter disconnecting the trap.
fig. 38 - Cleaning the recuperator
fig. 37
EN
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