VSV VUB15, Руководство по установке и инструкция пользователя, Страница: 20 / 30

20
CONNECTION SCHEME OF ELECTRIC HEATER
in universal blocks VU В 15, VU В 25 and VUB20/50
Power supply connection is made on the top terminals of the differential switch, observing
alternation of phases. Pay attention that the cross-section and quantity of cable wires should
correspond to your electric heater model
Power supply
single-phase
heater
Power supply
three-phase
heater
- neutral;
- phase;
- ground;
- neutral;
- phase;
- ground;
Electrical
control panel
- neutral;
- 3-phase;
- ground;
- neutral;
- 3-phase;
- ground;
main
power supply
main
power supply
to electric heater
control box
cable 2x1,0mm
2
to connection box
electric heater
control box
cable 2x1,0mm
2
to heater
cable 4x2,5mm
2
to heater
cable 4x6mm
2
to electric heater
electrical control panel
3 phase
6 kW
9 kW
12 kW
fuse
10A
16A
20A
cable
4x2,5mm
2
4x4mm
2
4x6mm
2
1 phase
6 kW
fuse
32A
cable
3x6mm
2
Yellow-green
Brown
Blue
Brown
Blue
Yellow-green