Electrical Connections - Ecoflam MAIOR P 150.1 AB Mode D'emploi

All burners are factory tested at 400V - 50Hz 3-phase for motors, and 230V - 50Hz single phase with neutral
for auxiliary equipments. Should it be necessary to power the burner with 230V - 50Hz, modify the connec-
tions on motor and the terminal board as shown in the picture. Protect the burner supply line with suitable
fuses and/or other safety devices as required by the local regulations on the matter.
The burner does not start.
- Main switch in "0".
- Fuses are blown.
- Boiler thermostats are in open position.
- Control box is defective.
The burner runs the prepurging but does not ignite and then switches into safety condition.
- Control box is defective.
- Ignition transformer is defective.
- Electrodes are dirty.
- Electrodes are defective.
- Electrodes are in wrong position.
- Nozzles are clogged.
- Nozzles are too worn.
- Filters are clogged.
- Oil pressure too low.
- Combustion air flow rate excessively high related to nozzle's flow rate.
The burner ignites but then switches into safety condition.
- Control box is defective.
- Nozzles are clogged.
- Nozzles are too worn.
- The photocell does not detect the flame.
- Filters are clogged.
- Oil pressure too low.
- Combustion air flow rate excessively high related to nozzle's flow rate.
The burner does not switch to High flame.
- 1st(Low flame) and 2nd (High flame) stage manual switch on control board is in wrong position.
- Control box is defective.
- 2nd stage solenoid valve coil is defective.
- Oil pressure too low.
- Filters are clogged.
- 2nd stage nozzle is too worn.
- 2nd stage nozzle is clogged.
- Air damper's hydraulic jack not properly adjusted or defective.

ELECTRICAL CONNECTIONS

TROUBLESHOOTING
13
420010331900 Maior P 150.1/200.1 AB
EN