Equipotential; Power Supply Cable; Advice To The Installer; Connections To Various Main Power Supplies - Diamond E77/M50I7-N Manual Del Usuario

2.7.2

EQUIPOTENTIAL

The unit should be included within an equipotential system whose efficiency must be tested according to the law in force.
The screw marked with the label "Equipotential" is located near the terminal board on the base for models with oven, and at
the back for the remaining models.
2.7.3

POWER SUPPLY CABLE

The unit is supplied fitted for one of the following voltages: 3N AC 380...415V; 3 AC 220...240V; 1N AC 220...240V 50/60 Hz.
The flexible cable for power supply connection should not have characteristics lower than the rubber insulation type
H07RN-F. The cable should be inserted through the cable clamp and firmly fastened. Furthermore, the supply voltage with
the unit functioning should not go outside the value of the nominal tension ±10%.
To have access to the terminal board in order to connect the unit to a supply network having different characteristics from
those provided for, or to replace the supply cable, you need to:
- remove the front panel
- connect the cable to the terminal board according to need, and following the instructions shown on the provided sticker
near the terminal board and on the present booklet.
2.7.4

ADVICE TO THE INSTALLER

Activate the unit according to the use instructions, and explain its operation to the user by consulting the instruction booklet,
illustrating also any manufacturing and/or functional modifications.
Leave the instruction booklet with the user, advising that he/she should refer to it for any future consultation.
2.7.5

CONNECTIONS TO VARIOUS MAIN POWER SUPPLIES

3N AC 380...415 V 50/60 Hz
Elements 230 V
2N AC 380...415 V 50/60 Hz
Elements 230 V
3AC 220...240 V 50/60 Hz
Elements 230 V
1N AC 220...240 V 50/60 Hz
Elements 230 V
PE (Earth) yellow - green
N
L 3 (T) black
L 2 (S) black
L 1 (R) brown
PE (Earth) yellow - green
N
L 2 (S) black
L 1 (R) brown
PE (Earth) yellow - green
L 3 (T) blue
L 2 (S) black
L 1 (R) brown
PE (Earth) yellow - greSen
N
L 1 (R) brown
- 15 - - 15 - - 15 - - 15 - - 15 -
(NP) blue
(NP) blue
(NP) blue
Tab. 2