Electrical Connections - Riello PRESS 30 N/ECO Instrucciones De Instalación, Uso Y Mantenimiento

3.3 ELECTRICAL CONNECTIONS TO THE TERMINAL STRIP
NOTE
Wire cross-section: min. 1 sq. mm.
(Unless otherwise required by local standards
and legislation).
TWO STAGE OPERATION
It is achieved by means of the remote control
device connected to terminals 5-6 (removing
the jumper), that controls the second valve.
FASTENING OF THE ELECTRICAL WIRES
All the wires to be connected to the terminal strip (16, fig. 1) shall pass through the appropriate cable entries
(17, fig. 1), see the figure below.
D2635
Any other signals or controls can be connected to the burner terminal strip by pushing out the metal disc in the
pre-sheared holes and inserting a common cable entry for the passage and the clamping of the leads. To ensure
the IP 40 degree of protection in compliance with EN 60529 close any unused cable entries with appropriate
discs.
NOTES
- Make a safe earth connection.
- Verify the burner stop by opening the boiler thermostat and the burner lock-out by darkening the photocell.
6200
IN Manual switch
MB Burner terminal strip
H Lock-out signal
TL Limit remote control
TR Adjustment remote control
TS Safety remote control
RESISTOR CONNECTIONS
1 - Single phase pre-heated resistor
power supply: . . . . . . . . . . . . . . . . . . . . . .cable entry Pg 21
2 - Three-phase power supply: . . . . . . . . . . . .cable entry Pg 16
3 - Single phase power supply and
safety thermostat: . . . . . . . . . . . . . . . . . . .cable entry Pg 13.5
4 - Control thermostat: . . . . . . . . . . . . . . . . . .cable entry Pg 13.5
nd
5 - 2 stage thermostat:. . . . . . . . . . . . . . . . .cable entry Pg 13.5
5 GB
(to be made by the installer)
PRE-HEATER
D3741
230V 400V
A Ampere 10 6
B Ampere 6 4
C sq.mm 1.5 1.5
D sq. mm 2.5 1.5
D2634