A.O. Smith STE - 400, Инструкция по установке, эксплуатации и обслуживанию

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Installation, User and Service Manual
13
2.3.3
Connecting an element of 230 V
AC
3. Connect the neutral (N), of the power cable, to the N-terminal on the thermostat;
4. Connect the live (L), of the power cable, to the L-terminal on the thermostat;
5. Connect the earth ( ), of the power cable, to the earth-terminal, in the element.
Connecting an element of 400 V
AC
3. Connect the first live (L), of the power cable, to the L1-terminal on the thermostat;
4. Connect the second live (L), of the power cable, to the L2-terminal on the thermostat;
5. Connect the third live (L), of the power cable, to the L3-terminal on the thermostat;
6. Connect the earth ( ), of the power cable, to the earth-terminal, in the element.
Electrical Element - screw-in
1. Remove the cover and gasket from the inspection opening;
2. Mount the supplied flange and gasket in the inspection opening. For elements that
need to be mounted in an STE 600, 750 or 1000 an additional reducing flange needs
to be mounted first before the flange with screw-connection can be mounted.
3. Mount the element in the flange.
4. Feed the selected (power) cable through the grommet.
Warning
Not all screw-in elements have the same supply voltage, see below.
Supply voltage flange-elements
Element 2.0 kW 2.5 kW 3.0 kW 4.5 kW 6.0 kW 7.5 KW
Supply Voltage (+10%,-15%) 230 V
AC
230 V
AC
400 V
AC
400 V
AC
400 V
AC
400 V
AC
Phase 1 1 3 3 3 3
L1 L2 L3
N L