Electrical Connections - Ecoflam MAIOR P 500.1 AB Manual De Instrucciones

B
LB1152 Maior P 500.1/600.1 AB

ELECTRICAL CONNECTIONS

DISASSEMBLY FIRING HEAD
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 connections on motor and the
terminal board as shown in the pic-
ture. Protect the burner supply line
with suitable fuses and/or other
3
safety devices as required by the
local regulations on the matter.
TROUBLESHOOTING
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 .
- Low flame and High flame stage manual switch on control board is in wrong position.
- Control box is defective.
- 2nd(3rd) stage solenoid valve coil is defective.
- Oil pressure too low.
- Filters are clogged.
- 2nd (3rd) stage nozzle is too worn.
- 2nd (3rd) stage nozzle is clogged.
- Air damper's hydraulic jack not properly adjusted or defective.
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