Safety Components; Opening The Burner; Closing The Burner - Riello DB 12 LM C10 Installation, Use And Maintenance Instructions

HEAVY OIL OPERATION
Filters
Check the filtering baskets on line and at nozzle present in the
system.
Clean or replace if necessary.
If rust or other impurities are observed inside the pump, use a
separate pump to lift any water and other impurities that may
have deposited on the bottom of the tank.
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.
Fuel tank
Approximately every 5 years, suck any water on the bottom of the
tank using a separate pump.
Combustion
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 Service in order to carry out the necessary adjustments.
EN 267
Max. output.
Theoretical max CO
2
0 % O
2
15.2
6.3

Opening the burner

Turn off the burner's power supply using the main
system switch.
DANGER
Turn off the fuel interception tap.
DANGER
6.4

Closing the burner

Refit following the steps described but in reverse order; refit all
burner components as they were originally assembled.
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
20198588
Air excess
Min. output
 1.2  1.3
CO % Calibration
2
mg/kWh
 = 1.2  = 1.3
12.6 11.5
Maintenance
6.2.3

Safety components

The safety components must be replaced at the end of their life
cycle indicated in . The specified life cycles do not refer to the
warranty terms indicated in the delivery or payment conditions.
Safety component
Flame control
Flame sensor
Pressure switches
Servomotor
Oil valve
Oil regulator
Oil pipes/ couplings
(metallic)
Flexible hoses
CO
 100
Wait for the components in contact with heat
sources to cool down completely.
To access the inside of the combustion head, see the paragraph
"Access to head internal part" on page 16.
28 GB
Tab. K
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
10 years or 250,000
operation cycles
10 years or 250,000
operation cycles
10 years
5 years or 30,000 pressurised
cycles
Tab. L