2309
8
GB
4.6
BURNER START-UP CYCLE
Lock out is indicated by a lamp on the control box (4, fig. 1, page 1).
5.
MAINTENANCE
Burner requires a periodic maintenance carried out by a qualified and authorized technicians.
Maintenance is essential for the reliability of the burner, avoiding the excessive consumption of fuel and
consequent pollution.
Before carrying out any cleaning or control always first switch off the electrical supply to the
burner acting on the main switch of the system.
THE BASIC CHECKS ARE:
■
Check that there are not obstructions or dents in the supply or return oil pipes.
■
Clean the filter in the oil suction line and in the pump.
■
Clean the photoresistance, (8, fig. 1, page 1).
■
Check for correct fuel consumption.
■
Replace the nozzle (see fig. 12, page 6) and check the correct position of electrodes (fig. 13, page 7).
■
Clean the combustion head in the fuel exit area, on the diffuser disc.
■
Leave the burner working without interruptions for 10 min. and check the right settings at 1st and 2nd
stage of all components stated in this manual. Then carry out a combustion check verifying:
●
Smoke temperature at the chimney;
●
Content of CO
2
( % );
●
Content of CO (ppm);
●
Smoke value according to opacity smokes index according to Bacharach scale
D6040
Lock-out due to failure to light
B
Normal
3 – 28s
~
12s
5s
1st stage thermostat
2nd stage thermostat
Motor
Ignition transformer
1st stage valve
1st stage flame
2nd stage valve
2nd stage flame
Lock-out lamp
~
12s
B
