Mechanical Installation; Safety; Planning The Installation - Emerson MP25A4 User Manual

Safety

Product Mechanical
Information information Installation
3

Mechanical Installation

3.1 Safety
Follow the instructions
The mechanical and electrical installation instructions must
be adhered to. Any questions or doubt should be referred to
the supplier of the equipment. It is the responsibility of the
WARNING
owner or user to ensure that the installation of the drive and
any external option unit, and the way in which they are
operated and maintained, comply with the requirements of
the Health and Safety at Work Act in the United Kingdom or
applicable legislation and regulations and codes of practice
in the country in which the equipment is used.
Competence of the installer
The drive must be installed by professional assemblers who
are familiar with the requirements for safety and EMC. The
assembler is responsible for ensuring that the end product or
WARNING
system complies with all the relevant laws in the country
where it is to be used.
If the drive has been used at high load levels for a period of
time, the heatsink can reach temperatures in excess of 70°C
(158°F). Human contact with the heatsink should be
prevented.
WARNING
Enclosure
The drive is intended to be mounted in an enclosure which
prevents access except by trained and authorized
personnel, and which prevents the ingress of contamination.
WARNING
It is designed for use in an environment classified as
pollution degree 2 in accordance with IEC 60664-1. This
means that only dry, non-conducting contamination is
acceptable.
The drive enclosure is not classified as a fire enclosure. A
separate fire enclosure must be provided.
WARNING
Many of the drives in this product range weigh in excess of
15kg (33lb). Use appropriate safeguards when lifting these
models.
See section 3.4 Mounting method on page 17.
WARNING
3.2

Planning the installation

The following considerations must be made when planning the
installation:
3.2.1 Access
Access must be restricted to personnel only. Safety regulations which
apply at the place of use must be complied with.
3.2.2 Environmental protection
The drive must be protected from:
• moisture, including dripping water or spraying water and
condensation. An anti-condensation heater may be required, which
must be switched off when the drive is running
• contamination with electrically conductive material
• contamination with any form of dust which may restrict the fan, or
impair airflow over various components
• temperature beyond the specified operating and storage ranges
• corrosive gasses
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3.2.3 Cooling
The heat produced by the drive must be removed without its specified
operating temperature being exceeded. Note that a sealed enclosure
gives much reduced cooling compared with a ventilated one, and may
need to be larger and/or use internal air circulating fans.
For further information, refer to section 3.6.2 Enclosure sizing on
page 26.
3.2.4 Electrical safety
The installation must be safe under normal and fault conditions.
Electrical installation instructions are given in Chapter 4 Electrical
installation on page 32.
3.2.5 Electromagnetic compatibility
If it is necessary to meet strict emission limits, or if it is known that
electromagnetically sensitive equipment is located nearby, then full
precautions must be observed. The use of an external EMC filter may be
required at the drive inputs, which must be located very close to the
drives.
Space must be made available for the filters and allowance made for
carefully segregated wiring. Both levels of precautions are covered in
Table 12-42 Drive power stage terminals on size 2 drives on page 164.
3.2.6 Hazardous areas
The drive must not be located in a classified hazardous area unless it is
installed in an approved enclosure and the installation is certified.
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