Ecoflam BLU 700.1 P AB Manual Del Usuario página 17

1. change the connection inside the electric box of the motor, from star to delta (see picture);
2. change the setting of the thermal relay, referring to the absorption values indicated in the
motor nameplate. If necessary, replace the thermal relay with another one of suitable scale.
This operation is not possible on motors above 7.5 kW.
For more information, please contact the Ecoflam staff.
YEARLY CHECKS:
The periodical checks of the burner (combustion head, electrodes etc.) must be carried out by authorised technicians
once or twice in a year, according to burner's duty conditions.
Before going on with maintenance operations, it is advisable to proceed through a control of the burner's general state as
follows:
- Unplug the burner from supply mains.
- Close the gas cock.
- Remove burner's cover and clean fan and air intake's duct.
- Clean the combustion head and check electrodes position.
- Reassemble the whole.
- Check fittings seal.
- Check the chimney.
- Restart the burner and check combustion values
(CO2 = 9,7% (G 20); CO lower than 75 ppm).
BEFORE ANY INTERVENTION VERIFY THAT:
- The system is supplied with power and the burner is plugged in.
- Gas pressure is the correct one and the gas cock is open.
- The control devices are suitably connected.
- If all such a conditions are satisfied, start the burner by pressing the lockout rearm button and check its igni
tion sequence.
SHORT TROUBLESHOOTING:
- The burner does not start: check power switch, thermostats, motor, gas pressure, leakage control device (if any). - The burner runs the pre-purging but switches to lockout at the end of cycle: check air pressure, fan and air
pressure switch.
- The burner runs the pre-purging but does not ignite: check electrodes installation and position, ignition cable,
ignition transformer, control box and gas solenoid valves.
- The burner ignites but switches to lockout at the expiring of safety time: check that phase and neutral are
properly connected; check ionization probe's position and connection; check control box.
- The burner ignites properly but switches to lockout after few minutes of working: check gas pressure governor
and filter, gas pressure, detection value ( 1,5 µA min.) and combustion values.
420010243303 Blu 700.1 ÷ 1200.1 P AB Low Nox
MAINTENANCE
17
EN
400V
230V