Safety Components - Riello RL 25/1 BLU Installation, Use And Maintenance Instructions

Nozzles
It is advisable to replace nozzles once a year during periodical
maintenance.
Do not clean the nozzle openings.
Hoses
Check that these are in good conditions.
Light oil supply piping
If the previous controls detect air in the circuit, pressurise the pip-
ing of the circuit.
Fuel tank
Approximately every 5 years, suck any water on the bottom of the
tank using a separate pump.
Replace the fuel pump and/or joints
Following the instructions in Fig. 26.
D3875
UV Flame sensor
Clean the glass of the flame inspection window.
To extract the UV sensor 1) loosen the screws 2) and unhook
the support 3), after removing the screws 4)(Fig. 29 on
page 28).
Combustion
The optimum calibration of the burner requires an analysis of the
flue gases.
Significant differences with respect to the previous measure-
ments indicate the points where more care should be exercised
during maintenance.
In case the combustion values found at the beginning of the inter-
vention do not respect the standards in force or, in any case, do
not correspond to a proper combustion, contact the Technical As-
sistance Centre in order to carry out the necessary adjustments.
EN 267
Theoretical max CO
2
0 % O
2
15.2
D1763
Air excess
Max. output Min. output
 1.2  1.3
CO % Calibration
2
 = 1.2  = 1.3
12.6 11.5
Maintenance
7.2.3

Safety components

The safety components should be replaced at the end of their life
cycle indicated in the following table.
The specified life cycles do not refer to the warranty terms indi-
cated in the delivery or payment conditions.
Safety
component
Flame control
Flame sensor
Gas valves (solenoid)
Pressure switches
Pressure adjuster
Servomotor (electronic cam)
Oil valve (solenoid)
Oil regulator
Pipes/ oil fittings (metallic)
Fig. 26
hoses (if present)
Fan impeller
Fig. 27
CO
mg/kWh
 100
Tab. M
27 GB
Life cycle
10 years or 250,000
operating cycles
10 years or 250,000
operating cycles
10 years or 250,000
operating cycles
10 years or 250,000
operating cycles
15 years
10 years or 250,000
operating cycles
10 years or 250,000
operating cycles
10 years or 250,000
operating cycles
10 years
5 years or 30,000
pressurised cycles
10 years or 500,000 start-ups
Tab. N
20156111