Electrodes Setting; Positioning The Optical Fiber; Fuel Heating - Riello BGK1 Installation, Use And Maintenance Instructions

5.9

Electrodes setting

These dimensions Fig. 12 must be respected.
WARNING
 To access the electrodes carry out the operation described,
see paragraph "Operating position" on page 13.

5.10 Positioning the optical fiber

To position the optical fiber, carry out the following procedure:
 insert the optical fiber 1)(Fig. 12) into the diffuser disc-
holder assembly (3) making sure it goes all the way in.
 Carefully tighten the screw 4)(Fig. 12) to lock the optical
fiber 1)(Fig. 12).

5.11 Fuel heating

In order to assure regular ignition and operation even at low tem-
peratures the burner has an oil heater fitted in combustion head.
The heater turns on when the thermostats close. The enabling
signal for burner start up comes through a thermostat on the noz-
zle holder once the optimal ignition temperature is reached. The
heating remains on during operation and cuts out when the burn-
er shuts-down.
20136520
Installation
0
4.5
- 0.5 mm
2
D4222
1 4
16
To adjust, proceed as follows:
 rest the diffuser disc-holder assembly 3)(Fig. 12) against the
nozzle holder 2)(Fig. 12) and lock it in place with the screw
4)(Fig. 12).
For any adjustments of the electrodes assembly 5),
loosen screw 6)(Fig. 12).
5 6
3 ±
0.3 mm
3
5.5 ±
0.3 mm
GB
Fig. 12