Ferroli ATLAS D ECO 34 CONDENS K 130 UNIT Instrucciones De Uso, Instalación Y Mantenimiento página 40

Pump pressure adjustment
The pump is factory-set to 12 bar. Use an oil bath gauge to check the pressure. The pres-
sure can be adjusted between 11 and 14 bar.
3
5
2
fig. 28- Pump ITALPUMP
5
4
2
fig. 29- Pump DANFOSS
1. Suction Ø1/4"
2. Return Ø1/4"
3. Oil delivery Ø1/8"
4. Pressure adjustment
5. Pressure gauge connection Ø1/8"
6. Vacuum gauge connection Ø1/8"
Combustion head adjustment
The head is adjusted by means of the screw 1, according to the indications of the pointer
2.
1
2
Air damper adjustment
After loosening the screw 3, operating the screw 1, the combustion air is adjusted ac-
cording to the indications of the pointer 2. After adjustment, lock the screw 3.
40
EN
ATLAS D 34 CONDENS K130 UNIT
3
4
6
1
3
6
1
fig. 30
cod. 3541Q642 - Rev. 00 - 06/2021
IT
Position of electrodes - baffle
After fitting the nozzle, check correct positioning of the electrodes and baffle, according
to the dimensions given below. It is advisable to check the dimensions after each oper-
ation on the head.
2÷3
2÷3
fig. 32- Position of electrodes - baffle
4.2 Commissioning
Checks to be made at first lighting and after all mainte-
B
nance operations that involved disconnecting from the
systems or an operation 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 sys-
tem 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
P
B
P
fig. 33 - Startup
A
When the thermostatic line closes, the burner motor starts turning together with the
pump: all the oil sucked is sent to the return. The burner blower and the ignition trans-
former are also working, therefore the following stages are carried out:
• firebox preventilation.
• prewash of a part of the oil circuit.
• preignition, with discharge between electrode tips.
2
3
MAX
4
AIR 2
ARIA
M
STOP
AIR
A 4
1 MIN
X
AIR
2 LUFT
STOP AIRE
1 M N
I
fig. 31
3
VE
G
VE
G
1
ARIA
AIR
LUFT
AIRE
6÷6,5