Safety Components; Opening The Burner; Closing The Burner - Riello RS 300/EV BLU Installation, Use And Maintenance Instructions

Combustion
If the combustion values measured before starting maintenance
do not comply with applicable legislation or do not indicate effi-
cient combustion, consult the Tab. K or contact our Technical
Support Service to implement the necessary adjustments.
It is advisable to set the burner according to the type of gas used
and following the indications inTab. K.
EN 676
Max. output.
CO
CO theoretic
2
2
GAS
al max. 0% O
 = 1.2
2
G 20 11.7 9.7
G 25 11.5 9.5
G 30 14.0 11.6
G 31 13.7 11.4
7.2.3

Safety components

The safety components should be replaced at the end of their life
cycle indicated in the Tab. K.
The specified life cycles do not refer to the warranty terms indi-
cated in the delivery or payment conditions.
7.3

Opening the burner

Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Close the fuel interception tap.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
 Remove the tie-rod 1)(Fig. 36) of the head movement lever,
undoing the nut 2).
 Disconnect the socket 3) of the gas servomotor.
 Disconnect the socket 4) of the gas pressure switch.
 Remove the screws 5).
At this point, it is possible to open the burner on the hinge.
7.4

Closing the burner

Refit following the steps described but in reverse order; refit all
burner components as they were originally assembled.
20123768
Air excess
Min. output
  1.2   1.3
% Calibration
CO
 = 1.3
mg/kWh mg/kWh
 100
9.0
 100
8.8
 100
10.7
 100
10.5
Maintenance
Safety component
Flame control
Flame sensor
Gas valves (solenoid)
Pressure switches
NO
X
Pressure adjuster
 170
Servomotor (electronic cam)
 170
 230
Oil valve (solenoid)
 230
Tab. J
Oil regulator
Pipes/ oil fittings (metallic)
Flexible hoses (if present)
Fan impeller
Carry out all maintenance work and mount the
casing again.
30 GB
Life cycle
10 years or 250.000
operation cycles
10 years or 250.000
operation cycles
10 years or 250.000
operation cycles
10 years or 250.000
operation cycles
15 years
10 years or 250.000
operation cycles
10 years or 250.000
operation cycles
10 years or 250.000
operation cycles
10 years
5 years or 30.000
pressurised cycles
10 years or 500.000 start-ups
Tab. K
20065579
Fig. 36