Ferroli QUADRIFOGLIO Instrucciones De Uso página 59

QUADRIFOGLIO
• check and cleaning of generator air inlets and boiler room air intakes
• check and cleaning of fume evacuation duct-manifold-flue system.
• expansion tank check and prefilling
• check of correct and stable system water pressure, ensuring conformity with the re-
quired working pressure.
B
The use of automatic filling systems for reinstatement of operating condi-
tions must provide for adequate treatment of the water (ref. *** 'Character-
istics of the water system' on page 51 ***)
• check of heating system water chemical and physical parameters (ref. *** 'Charac-
teristics of the water system' on page 51 ***)
• water and gas system tightness check
• check of correct and stable gas supply pressure to plant (20 mbar for operation with
natural gas); any fluctuations or pressure drops below the declared value can create
malfunctioning and stops with need for manual resetting.
• burner ignition and control and safety device check (gas valve, flowmeter, thermo-
stats, etc.)
• circulating pump check, freeing when necessary
• fume analysis and check of combustion parameters
The casing, control panel and aesthetic parts of the boiler can be cleaned with
A
a soft damp cloth, possibly soaked in soapy water. All abrasive detergents and
solvents should be avoided.
Opening the casing
To open the boiler casing (fig. 41)
1. Remove the upper panel (A)
2. Unscrew the two screws (B)
3. Remove the panel (C)
B
B
A
fig. 41 - Opening the casing
Burner door opening
To access the burner observe the following instructions.
1. Remove the cover and the front top panel.
2. Remove the two top side panels.
3. Remove the four nuts and washers (fig. 43).
4. Unscrew the gas connection (box fig. 43).
5. Open the burner door (fig. 44).
C
fig. 42
cod. 3541A282 - Rev. 01 - 02/2013
To close it, repeat these operations in reverse order.
B
Thoroughly tighten the 4 nuts (fig. 43).
Then check the tightness of the gas circuit.
If it is necessary to change the direction of opening the burner door observe the following
instructions.
1. Extract the rotation pin and insert it into the seat on the other side.
2. Unscrew the bracket, rotate it and then fix it again as shown in (fig. 45).
fig. 45 - Changing opening side
fig. 43
fig. 44
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