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by using two independent protective earth incoming supply conductors (figure 4.3).
This is due to the high earth leakage current when using filters.
The incoming mains supply should be protected by a suitable fuse or circuit breaker,
as shown in table 2.1.
Power cables should be
specified to this table:-
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When the wires are fully inserted into the terminal to maintain IP20 protection they
need to be stripped to 5 - 6 mm (0.22 in).
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All control and signal terminals are SELV, i.e., protected by double/reinforced
insulation. Ensure all wiring rated for highest system voltage. Control wiring of
between 0.08 mm
2
(28 AWG) - 2.5 mm
2
(14 AWG) can be used.
Remove the terminal cover (see figure 1.1). Rotate the Control Cable Retainer, route
the control cables in the right hand compartment and wire to the control terminals.
Rotate the Control Cable Retainer to hold the cables in the designated compartment.
Figure 4.4 shows a typical control connections required for operation as a simple
speed controller.
* It is recommended that the
“0V/common” be connected to
protective earth/ground for safety
reasons. In a system comprising
of more than one controller, the
“0V/common” signals should be
connected together and joined to
protective earth/ground at one
point only. This is mandatory to
meet the EMC specification
stated.
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Current Rating
Cable size
Cable size
< = 8 Amps
1 mm
2
16 AWG
< = 10 Amps
1.5 mm
2
14 AWG
< = 15 Amps
2.5 mm
2
12 AWG
4
5
6
7
8
9
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