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SUN G20 1S
1. OPERATING INSTRUCTIONS
1.1 Introduction
Dear Customer,
Thank you for having chosen the SUN G20 1S, an advanced-concept FERROLI burner featuring cutting-
edge technology, high reliability and constructional quality.
SUN G20 1S is a single-stage oil burner, whose compact size and original design make it suitable for
use in the majority of boilers available on the market. The attention paid to the design and industrial
production of the appliance has resulted in a product that is well-balanced and highly efficient, with very
low CO and NOx emissions and a very silent flame.
1.2 Operating instructions
The operation of the burner, once correctly installed and adjusted, is completely
automatic and does not require any intervention by the user. In the event of
no fuel or operating anomalies, the burner stops and shuts-down (the red light
on the reset button turns on). It is recommended to replete the supply of fuel
before it runs out completely, to avoid the inlet of air (irregular operation of the
burner) or the loss of prime of the pump (in which case the assistance of the
service centre is required).
If the fuel tank is outside, in areas where the temperature falls below -10 °C, the
tank and fuel supply pipes must be adequately protected. Use winter oil or add
a specific anti-freeze.
Make sure that the room where the burner is installed is free of inflammable
objects or materials, corrosive gas or volatile substances, and is not dusty. Dust,
in fact, is sucked in by the fan and sticks to the blades of the rotor and reduces
air flow, or alternatively blocks the flame stability disk, compromising efficiency.
Do not allow the burner to be tampered with by inexpert persons or children.
1.3 Maintenance
Make sure that maintenance is performed on the burner periodically, at least once a year. The mainte-
nance operations must be performed by qualified and specialist personnel according to the indications
contained in chapter 3.
1.4 Anomalies
If the burner does not ignite and the red light on the reset button is not on, check that there is electri-
cal power, that the heating system switch is on, that the fuses are intact and that there is an effective
request for heat from the boiler.
If the burner is still off (red light on the reset button on), wait 15 seconds and press the reset button to
reset operation. The burner will attempt to ignite. If it shuts down again, check that there is fuel in the
tank and that the manual valves located on the oil supply pipe are open. If these checks do not resolve
the problem, contact the service centre.
If noise is produced during the operation of the burner, contact the service centre.
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Cod. 3540G302 - Rev. 01 - 02/2015
fig. 1
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