Control Box - Riello RDB4 Installation, Use And Maintenance Instructions

7.2

Control box

This operation must be performed with the burner
turned off and mains power disconnected.
DANGER
The replacement of the control box must be per-
formed by qualified personnel, as indicated in this
manual and in accordance with standards and
regulations in force.
WARNING
To remove the control box from the burner follow of the istruction:
➤ loosen the screws 1)(Fig. 17), open the protection 2) and
remove all components.
➤ Remove the coil 3) and loosen the two screws 4).
➤ Move a little the control box and remove the high voltage
leads.
➤ The control box can be used on the burners
with or without the heater.
➤ If the heater is damaged, introduce the bridge
WARNING 7)(Fig. 18) into the control box so that the
burner can operate without the heater until
the heater will be replaced.
➤ The control box as spare part is supplied with
the jumper 7)(Fig. 18) already installed.
➤ If the control box is installed on a burner with
WARNING the heater, remove the jumper 7) before put-
ting the cover in place. Connect, also, the
cables of the heater and the thermostat.
20071933
Electrical system
7
16 GB
20073500
Fig. 17
S8792
Fig. 18