Ferroli SUN G10 2S [28/37] Sun g10 2s
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Ferroli SUN G10 2S [28/37] Sun g10 2s

Ferroli SUN G10 2S [28/37] Sun g10 2s
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SUN G10 2S
28
Cod. 35445523 - 02/2007 (Rev. 00)
To perform a preliminary adjustment of head and air damper during installation (before commissioning
and consequently calibrating the appliance using instruments), use the table below:
Nozzle
DANFOSS
Head
adjustement
Heat
input
44.2÷64.5
53.2÷77.5
62÷90.4
70.8÷103.3
64.3÷99.5
75÷116.3
Model
boiler
GN1 N 05
GN1 N 06
GN1 N 07
GN1 N 08
Prextherm RSW 92
Prextherm RSW 107
1.1
1.25
1.5
1.75
1.5
1.75
GPH
60°
60°
60°
60°
60°
60°
Angle
Pump
pressure
1°
9
9
9
9
10
9
bar
17
18
18
17
20
22
bar
Air
adjustement
1°
1
1
3
3
3
4
Tacca
1
1
5
5
6
6
Tacca
12
15
20
22
22
32
L
0
3
8
10
10
20
Tacca
Pump
pressure
2°
Air
regulation
2°
Pump pressure regualtion
- Recommended regulation for working in 1° stage is 8÷12 bar.
- Recommended regulation for working in 2° stage is 16÷22 bar.
3.2 Commissioning
Checks to be performed on first ignition, and after all maintenance operations that involve the discon-
nection of the appliance from systems or intervention on the safety devices or parts of the burner:
Before igniting the burner,
• Check that the burner is correctly fastened to the boiler, and the preliminary adjustments described
previously have been performed.
• Make sure that boiler and the system have been filled with water or diathermic oil, that the valves in
the water circuit are open and that the flue gas exhaust pipe is free and correctly sized.
• Check that the boiler door is closed, so that the flame only propagates inside the combustion cham-
ber.
• Fit the pressure gauge and the vacuometer to the pump (removed before operation).
• Open the gate valves in the oil pipes, making sure that there is fuel in the tank and that the return
pipe is not blocked.
Attention: Blockages may cause the pump seal device to break.
Igniting the burner
• Connect electrical power by closing the main switch upstream of the burner
• Close the thermostat line (boiler/room)
• Reset the appliance (pressing the red button)
• Operation will start according to Figs. 10a and 10b and the diagram in Fig. 9:
1 The burner motor will start turning, together with the pump: the oil fed in is completely sent to the
return (Fig. 10a). The ignition transformer is activated at the same time.
2 The following phases are performed: pre-ventilation of the furnace, pre-washing of part of the oil
circuit, pre-ignition, with discharge between the tips of the electrodes.
3 At the end of the pre-washing phase, the appliance opens the electromagnetic valve (Fig. 10b): the
oil reaches the nozzle, from where it is sprayed. Contact with the discharge between the electrodes
ignites the flame. At the same time, the safety time starts, within which the photo cell must detect
the flame.
4 If the photo cell does not detect the flame, the burner shuts-down (the red light comes on).
Wait around 15 seconds, reset and repeat the ignition cycle.

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