Burner Start-Up Cycle; Maintenance - Riello Burners RG4S Manuel D'entretien

4.6 BURNER START-UP CYCLE

Normal
Thermostat
Motor
Ignition transformer
Valve
Low-flame
High-flame
Lock-out lamp
Lock-out due to
failure to shut-down
~
C
Lock out is indicated by a lamp on the control box (3, fig. 1, page 1).
D
In this case the burner will not reset because there is a serious fault.
CALL THE SERVICE AGENT
The authorized service agent must:
Restore the working by moving backward the control box, keeping
it supplied and acting on the reset tongue (see fig. 15).
Check the efficiency of:
Photoresistance (7, fig. 1, page 1).
Pump: interception valve (7), or pressure adjuster piston (5), see
fig. 8, page 4.
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, (7, 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 set rightly all the components stated in
this manual. Then carry out a combustion check verifying:
Smoke temperature at the chimney;
Smoke value according to opacity smokes index according to Bacharach scale.
2333
Lock-out due to
failure to light
~
–
12s 12s
3 9 s
Lock-out due to
C
failure to shut-down
~
5s
Content of CO ( % );
2
8 GB
D
–
–
12s 3 9 s
20
Fig. 15
E9071
Content of CO (ppm);
60s
D5750