Opening The Burner; Closing The Burner - Riello 20044636 Installation, Use And Maintenance Instructions

Boiler
Clean the boiler as indicated in its accompanying instructions in
order to maintain all the original combustion characteristics in-
tact, especially the flue gas temperature and combustion cham-
ber pressure.
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-
sistant in order to carry out the necessary adjustments.
7.3

Opening the burner

Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Turn off the fuel interception tap.
DANGER
Wait for the components in contact with heat
sources to cool down completely.
D8698
7.4

Closing the burner

 Push the burner to approximately 100mm from the pipe cou-
pling.
 Reconnect the cables and slide in the burner until it comes
to a stop.
 Replace the screws 3)(Fig. 38) and carefully pull the probe
and electrode cables out until they are slightly taut.
 Reconnect the articulated coupling 7) to the graduated sec-
tor 8).
20054100
Maintenance
GAS
G 20
G 25
G 30
G 31
 Loosen the screws 1) and remove the hood 2)(Fig. 38).
 Disengage the articulated coupling 7) from the graduated
 Remove the screws 3) and move the burner backwards by
Now extract the gas distributor 5) after having removed the
screw 6).
4
2
32 GB
EN 676
Max. output.
  1.2
Theoretical CO
max CO
2
 = 1.2
0 % O
2
11.7 9.7
11.5 9.5
14.0 11.6
13.7 11.4
sector 8).
about 100 mm on the slide bars 4). Disconnect the probe
and electrode leads and then pull the burner fully back.
6
7
3
1
After carrying out maintenance, cleaning or
checking operations, reassemble the hood and all
the safety and protection devices of the burner.
Excess air
CO
Max. output.
  1.3
% Calibration
2
mg/kWh
 = 1.3
 1000
9
 1000
8.8
 1000
10.7
 1000
10.5
Tab. M
8
5
1
Fig. 38