420010362200 Maior P 300.1/400.1 AB
EN
General
Mounting
Connection threads
Inlet end return
To nozzle
Pressure gauge port
Vacuum gauge port
Shaft
By-pass plug
Weight
Hydraulic data
Nozzle pressure ranges 30 : 7 - 30 bars
Delivery pressure
setting
Operating viscosity
Oil temperature
Inlet pressure
Return pressure
Rated speed
Starting torque
Choice of heater
Cartridge
Fitting
Rating
Once having installed the burner, check the following items:
- The burner power feeding and the main line protection fuses.- The correct length of pipes and that the same are sea-
led.- The type of fuel, which must be suitable for burner.- The connection of boiler's thermostats and all the safeties.-
The motor rotation direction.- The correct calibration of the motor's thermal protection.
When all the above mentioned conditions are checked and accomplished, it is possible to go on with burner's tests.
Power the burner. The control box feeds the ignition transformer and the burner's motor at the same time, which will
run a prepurging of the combustion chamber for about 20 sec.
At the end of prepurging, the control box opens the fuel pump and the 1st stage (Low flame) solenoid valves, the igni-
tion transformer produces a spark and the burner ignites. After a safety interval of 5 seconds and a correct ignition, the
control box turns off the ignition transformer and, 10 seconds later, sets the motorised air damper to its maximum ope-
ning and opens the 2nd stage solenoid valve (Maior 300) and 3rd stage solenoid valve (Maior 400) (High flame). In
case of faulty ignition, the control box switches the burner into safety condition. In such a case, the manual rearming of
the burner shall not take place before 30 seconds have elapsed from the burner's safety shutdown. In order to obtain an
optimal combustion, it is necessary adjust the LOW - HIGH flame air flow, according to the instruction given further
on. During such a phase, it will be possible to manually switch between HIGH ( II ) and LOW ( I ) flame and vicever-
sa, through the High/Low flame switch. At the end of the adjusting phase, leave the switch in position II (HIGH
flame). The fuel pump feeding pressure, must remain around 12 bar.
Flange mounting
Cylindrical according to ISO 228/1
G 1/2"
G 1/2"
G 1/4"
G 1/4"
Ø 12 mm
Inserted in vacuum gauge port
for 2 pipe system;
to be removed with a 3/16" Allen key
for 1 pipe system
5,4 kg (TA2)
-
5,7 kg (TA3)
6 kg (TA4)
-
6,4 kg (TA5)
40 : 7 - 40 bars
30 bars
4 - 450 cSt
0 - 140°C max. in the pump
light oil :
0,45 bars max. vacuum to prevent
air separation from oil
heavy oil :
5 bars max.
light oil :
5 bars max.
heavy oil :
5 bars max.
3600 rpm max.
0,3 N.m
Ø 12 mm
according to DIN 40430, NFC 68190 (N°9 elec.)
80-100 W
START-UP AND ADJUSTMENT
Pump capacity
Capacity (L/h)
1500
TA5
1400
1300
1200
1100
TA4
1000
900
800
TA3
700
600
TA2
500
400
300
200
100
0
0
5
10
15
20
Viscosity =
200 cSt
20 cSt
5 cSt -
Data shown are for new pumps, with no allowance for wear.
16
2850 rpm
25
30
35
40
Pressure
(bars)
Rated speed = 2850 rpm