Ferroli ATLAS D 25 K 100 UNIT Instrucciones De Uso, Instalación Y Mantenimiento página 44

Pump pressure adjustment
The pump pressure is factory set for optimum operation and should not normally be
changed. However, if special needs require a different pressure, after applying the pres-
sure gauge and lighting the burner turn the adjustment screw "6" indicated in fig. 30. It is
anyhow recommended to keep within the range of 10 - 14 bar
10 15
5 20
0 25
4
3
1
fig. 29 - SUNTEC pump
3
-
+
6
P
2
fig. 30 - DANFOSS pump
1. Inlet (suction)
2. Return
3. Outlet to nozzle
4. Pressure gauge connection
5. Vacuum gauge connection
6. Adjustment screw
7. By-pass screw
Head and air shutter
Adjust the head and air flow rate according to the burner power as indicated in fig. 31
Turn the head adjustment screw B (fig. 32) clockwise or anticlockwise until the mark on
rod A (fig. 32) coincides with the pointer.
30
25
20
B
15
10
5
0
15.0 20.0 25.0 30.0
1,26 1,69 2,11 2,53
fig. 31 - Burner adjustments graph Prodotto_Gr1
A Power
B Adjustment pointer
C Oil flow rate
"L" head (mm)
Air
EN
m h O
2
5
P
V
6
7
2
10 15
5 20
0 25
4
m h O
2
P
5
V
7
1
35.0 40.0 45.0 50.0 55.0
2,95 3,37 3,79 4,22 4,64
ATLAS D 25 K 100 UNIT
To adjust the air flow, turn screw C (fig. 32) after loosening nut D. After making the ad-
justment, tighten nut D.
Position of electrodes - baffle
After fitting the nozzle, check correct positioning of the electrodes and baffle, according
to the values given below. It is advisable to check the values after every operation on the
head.
L
1
4.2 Commissioning
Checks to be done at first lighting, and after all maintenance operations that in-
volved disconnection from the systems or work on safety devices or parts of the
boiler:
Before lighting the boiler
• Open any on-off valves between the boiler and the systems.
• Check the tightness of the fuel system.
• Check the pre-filling of the expansion tank
• Fill the water system and make sure that all air contained in the boiler and the system has
been vented by opening the air vent valve on the boiler and any vent valves on the system.
• Make sure there are no water leaks in the system, hot water circuits, connections or boiler.
• Make sure the electrical system is properly connected and the earth system works properly.
• Make sure there are no flammable liquids or materials in the immediate vicinity of the boiler.
• Fit the pressure gauge and the vacuum gauge on the pump (remove after starting) of the
burner.
• open the gate valves along the diesel pipe
Lighting
A
B
A (kW)
60.0
5,06 C (kg/h)
cod. 3541I100 - Rev. 03 - 04/2018
fig. 32 - Burner adjustment
3
fig. 33 - Electrode - baffle position
VE
P
VE
P
fig. 34 - Starting
G
G