LEYBOLD RUVAC WH 2500, Инструкция по установке и эксплуатации

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Installation
48
130001398_002_C0 - 09/2016 - © Leybold
3.4.3 Connection with Internal Frequency Converter
For RUVAC WH 2500 only.
Notice safety information in Section 0.2.
Take note of the information provided in the Operating Instructions
enclosed with the frequency converter. Read these Operating Instructions
and make yourself comfortable with the contents before installing and
operating the frequency converter or before doing maintenance work on it.
The frequency converter must be installed in agreement with the informa-
tion given in these Operating Instructions and in agreement with the locally
applicable regulations. Non-compliance with the safety information can
result in severe or even deadly injuries or may damage the products or
facilities and systems operated in connection with the product.
Wiring the Main Circuit Input
Consider the following precautions for the main circuit input.
■
Use fuses recommended in Main Circuit only, see technical data.
■
If using a ground fault circuit breaker, make sure that it can detect both DC
and high frequency currents.
Ground Connection
Take the following precautions when grounding the frequency converter.
■
Always connect the frequency converter to ground in accordance with the
international and local regulations for equipment exhibiting an increased
leakage current.
■
Keep the ground wires as short as possible. The frequency converter pro-
duces leakage currents (typically less than 10 mA). In the case of unbal-
anced mains power supplies, the leakage current may exceed 10 mA. In
this case the protective ground conductor must exhibit a cross-section of
at least 10 mm
2
. Or connect a further protective ground conductor having
at least the same cross-section as the connection cable. A connection
point is provided.
■
When using more than one frequency converter, do not loop the ground
wire.
Control Circuit Wiring
The control terminal board is equipped with screwless terminals. Always use
wires within the specification listed below. We recommend to use flexible
wires 0.5 mm
2
without ferrules.
DANGER
Internal Frequency Converter