Connections To Various Main Power Supplies; Replacing Important Components - Diamond Optima 700 series Installations-, Betriebs- Und Wartungsanleitungen

2.6.4

CONNECTIONS TO VARIOUS MAIN POWER SUPPLIES

3N AC 380...415 V 50/60 Hz
2N AC 380...415 V 50/60 Hz
3 AC 220...240 V 50/60 Hz
1 AC 220...240 V 50/60 Hz
The electrical connection plate is placed near the terminal board.
3.
The replacements described below should only be performed by an "Authorised Service Centre".
Before replacing any component, you should shut off power supply from the unit by using the omnipolar switch.
A) Switch and thermostat
- remove the dashguard
- undo the screws fastening the component
- remove the thermostat from the switch by carefully bending the two clips of the fastening bracket
- remove the protection of the thermostat bulb and pull it off from the plate groov.
- disconnect the wires following the electrical diagram
- replace the component and re-assemble everything back, using the electrical diagram
- mount back each part following the reverse sequence.
2 3
1
380...415 V 3N
L2 L3
L1
380...415 V 2N
L2
L1
220...240 V 3
L1
220...240 V
L1

REPLACING IMPORTANT COMPONENTS

PE (earth)
N (NP)
L3 (T)
L2 (S)
L1 (R)
PE (earth)
N (NP)
L2 (S)
L1 (R)
PE (earth)
N (NP)
L3 (T)
L1 (R)
PE (earth)
N (NP)
L1 (R)
4 5
50/60 Hz
N
50/60 Hz
N
50/60 Hz
N
50/60 Hz
N
- 14 -
yellow-green
blue
black
black
brown
yellow-green
blue
black
brown
yellow-green
blue
black
brown
yellow-green
blue
brown
Tab.3
6
PE
PE
PE
PE