Technical Description - Ferroli NATURFIRE 17 HR Instructions For Installation, Use And Maintenance Manual

-Service the boiler at least once a year, planning it in advance with the personnel of the authorised Service
Centre.
-In case of operation faults, the boiler can only be relit after eliminating the cause of the problem; otherwise,
contact the After-Sales Service.
The manufacturer declines any liability for problems, breakage or accidents caused by failure to follow or
apply the instructions contained in this manual.

1.4 Technical description

The boiler works exclusively on pellets and enables easy installation with the heating and DHW system. Its
automatic control systems ensure optimum thermal efficiency and complete combustion; there are also systems to
ensure safe operation for the internal components and the user. This unit must only be used for heating water to a
temperature lower than boiling point.
When correctly installed, the unit works in any outside climatic conditions; in any case, in critical conditions (strong
wind, frost, etc. ) the safety systems can cut in and shut down the boiler.
The boiler comes complete with a fume extractor, pellet feed gearmotor, , high efficiency pump for the heating circuit
and of all the control and safety
between 35 and 38 dB.
For technical data, refer to the table on page 7.
Overall dimensions Pellet boiler model NATURFIRE 17-25 HR
ACCESSORIES ON REQUEST:
- DHW ASSEMBLY WITH PUMP AND EXCHANGER INSIDE BOILER
- DHW ASSEMBLY WITH PUMP INSIDE BOILER
- SUPPLEMENTARY PELLET HOPPER - CAPACITY approx. 250 kg
components. During operation the unit generates very little noise, with levels
40
KEY:
Power cable connection
Overpressure water discharge (1/2" F - 3 bar )
Heating system return (1" M)
Water supply connection (1/2 F)
Combustion air inlet ø 50mm
System water drain
System air drain
Connection - delivery without pump (1" M)
Delivery pump inspection
Heating system delivery (1" M)
Fume exhaust pipe connection ø 100mm
Pressure/temperature gauge
Control panel model F047
Door to access fire door and ash box
Adjustable feet
Pellet hopper door
Turbulator shaker knob
KEY - OPTIONAL ELEMENTS:
S - OPT DHW delivery pump inspection
T - OPT DHW return (3/4" pump)
U - OPT DHW delivery (3/4" M pump)
V - DHW overpressure water discharge
(1/2" F - 6 bar)
W - OPT DHW return (1/2" M exchanger)
Z - OPT DHW delivery (1/2" M exchanger)
NATURFIRE 17-25 HR