Riello PRESS 4G Installation, Use And Maintenance Instructions page 7

All the electrical wires, which are to be connected to the terminal block 6) (fig. 1) shall pass through the fair leads 8)
(fig. 1) as per this scheme.
1 - Three phase supply:
2 - Single phase supply:
3 - Adjustment thermostat:
4 - Safety thermostat:
5 - 2nd stage thermostat:
6 - 7 - 8 - Pre-sheared holes
Further prospective signals or controls can be connected to the burner wiring terminal board by removing the metal
weldnuts from the pre-sheared holes and inserting a commun fair lead for the passage and the clamping of the leads.
NOTES
- Do not exchange the neutral wire with the phase (avoid the plug-pin connection).
- Carry out a safe earth connection.
- Verify the burner stop by opening the boiler thermostat and the burner lock-out by darkening the photo-resistance.
ACCESSORIES
RADIO DISTURBANCE PROTECTION KIT : CODE 3010386
If the burner is installed in places particularly subject to radio disturbance (emission of signals exceeding 10 V/m)
owing to the presence of an INVERTER, or in applications where the length of the thermostat connections exceeds
20 metres, a protection kit is available as an interface between the control box and the burner.
2915904
FIXING OF THE ELECTRICAL WIRES
fair lead Pg 21
fair lead Pg 13.5
fair lead Pg 13.5
fair lead Pg 13.5
fair lead Pg 13.5
6