Riello RG4F Installation, Use And Maintenance Instructions page 48

4.7 BURNER START-UP CYCLE
Normal
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
C
Lock out is indicated by a lamp on the flame control (3, Fig. 1, on page 1).
5. MAINTENANCE
The burner requires periodic mainte-
nance carried out by a qualified and au-
thorised technician in conformity with
ATTENTION
legislation and local standards.
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.
DANGER
2903004
~ 12s
Lock-out due to failure to light
~ 12s
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 flame sensor, (7, Fig. 1, on page 1).

Check for correct fuel consumption.

Replace the nozzle, (Fig. 13, on page 8) and check

the correct position of electrodes (Fig. 15, on
page 9).
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;
 Content of CO2 ( % );
 Content of CO (ppm); 
 Smoke value according to opacity smokes
index according to Bacharach scale.
10 GB
D5029
C
5s
Fig. 16