Minebea Intec Midrics MIS1 Serie Instalación E Indicaciones De Seguridad página 12

These safety instructions apply to the installation, operation, maintenance and repair
These safety instructions apply to installation, use, maintenance, and repair
of the equipment
1. The equipment may be used in potentially explosive atmospheres of zones 2 and 22. The permitted
1. The equipment may be used zone 2 and 22 hazardous areas. In zone 22, the device is approved for use only
ambient temperature range is:
in the presence of non-conductive dusts. The permissible ambient temperature is –10°C to +40°C (14°F to
-10°C to +40°C
104°F). The equipment must be used indoors.
-10°C to +40°C
2. The indicator may not be used as a portable device.
-10°C to +45°C
3. Installation, operation, maintenance and repair of the equipment may only be performed by an
-10°C to +50°C
authorized technician and in compliance with applicable laws, rules and regulations, ordinances and standards.
The equipment may only be used indoors.
In particular, make sure all work performed conforms to European Standards EN 60079-14 (Electrical appara-
tus for use in potentially explosive gas atmospheres) and EN 50281-1-2 (Apparatus for use in the presence of 2. The equipment is not to be used as portable equipment.
combustible dusts). Installation, operation, maintenance and repair of the equipment may only be performed
3. Installation, operation, maintenance, and repairs should only be performed by an authorized
when the equipment is completely disconnected from the power supply.
specialist, in accordance with applicable laws, rules and regulations, ordinances, and standards. In
particular, the EN 60079-14 standard must be taken into account. Only when the equipment is
4. Make sure to follow the installation, operating, maintenance and servicing instructions given in the manuals
disconnected from all power sources may installation, maintenance, cleaning, and repair work take
supplied.
place.
5. The cable glands must be fastened using a torque of 5 Nm. Use only 3 Nm to fasten the power cable. The
4. The information on installation, operation, maintenance and repair given in the operating instructions
external connecting cables must be installed in a protective tube and secured to prevent damage and stress
supplied with the equipment must be observed.
caused by strain. The cable connections in the hazardous area must be secured to prevent them from working
5. The cable glands for the data cables must be tightened with a torque of 5 Nm. The cable gland for
loose.
the network cable must be tightened with a torque of 2.5 Nm cap and 1.5 Nm body . Attach
6. All metal parts (housing, column, etc.) must be electrically connected to the equipotential bonding external connection cables as securely as possible to avoid damage and tensile loading. The cable
conductor (PA) so that any electrostatic charges can be conducted away from the equipment. The equipment connections inside the explosion-risk area must be secured against loosening.
operator is obligated to connect a lead with a gauge of at least 4 mmÇ (cross section) to the PA terminal
6. All metal parts (housing, column, etc.) must be galvanically connected to the equipotential bonding
(marked by the grounding symbol) located at the rear of the housing. The low resistance
so that any electrostatic charges can be conducted away from the equipment. For this purpose, the
of this connection to the PA busbar must be checked when the system is installed at the intended place of use.
operator is obligated to connect a conductor with a gauge of at least 4 mm² (cross section) to the
The shielding of the connecting cables may only be used for grounding when no impermissible difference in
equipotential bonding connection (indicated by the ground symbol) located on the back of the
voltage is generated and the shielding is able to conduct the potentially occurring equipotential current.
housing. During on-site installation, check if this connection to the equipotential bonding conductor is
of low resistance. When attaching the cable to the threaded bolt (indicator), two nuts and lock
7. Before opening the equipment, completely turn off the power or make sure that no potentially explosive
washers must be used to avoid loosening of the clamp by pulling the grounding cable. Indicator and
atmosphere is present in the area or any other explosion hazard in the surrounding area. Never connect or dis-
weighing platform must be connected separately to the equipotential bonding when no metallic
connect cables while the power is on in a hazardous area!
connection, e.g. a column, is used.
8. Use equipment only in the temperature ranges indicated. Avoid exposing the equipment to impermissible sources
7. Before opening the equipment, switch off the supply voltage, and make sure that the area is
of heat or cold. Avoid heat build-up. Make sure the equipment is properly ventilated.
not potentially explosive. Do not connect or disconnect any live cables inside an explosion -risk
area.
9. Ensure proper installation to avoid vagrant current (e.g., magnetic fields).
8. Only use the equipment within the specified temperature range. Avoid exposure to inadmissible
10. Install the indicator (or the display and control unit supplied with the complete scale) in such a way that
sources of heat or cold. Heat build-up should be avoided. Ensure that the equipment is well
mechanical hazard to the IP protection is kept to a minimum.
ventilated.
11. Make sure that the equipment is installed and operated without being exposed to impermissible UV radiation
9. During installation, take suitable steps to prevent stray electrical interference (e.g. due to magnetic
(avoid direct exposure to sunlight). fields).
10. The indicator (display unit of the complete equipment) should be installed so that there is only a low
12. Ensure that the voltage rating or power supply is identical to your local power rating. When connecting the
risk of mechanical danger to the IP protection.
equipment to the power supply, the laws valid in your country must be observed. Be sure that the correct
11. The equipment must be installed and operated in a manner that avoids exposure to ultraviolet light
power supply cable is used.
(no direct sunlight).
13. Prior to initial operation, make sure that there is no potentially explosive atmosphere or any other explosion
12. The power connection must be in accordance with the regulations applicable in the country of
hazard in the surrounding area.
operation. A correct power connection must be ensured.
14. Avoid generating static electricity. Use only a damp cloth to wipe down the equipment.
The equipment operator shall be responsible for preventing any risks caused by static electricity.
15. If cables are connected at a later date, make sure the connectors are not corroded.
Written by
Reviewed by
Released by
12 Installation Instructions and Safety Information
for MIS indicators
for MW complete scales
for MAP weighing platform sizes GF, IG
for MAP weighing platform sizes DC, ED, FE
Date Name Material
19.02.2021 T. Hiller
22.02.2021 R. Koch
Revision
03
22.02.2021 T. Hiller
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Safety instructions
Title
Alteration
36418-740-16 (EN)
Drawing number
543604
Scale
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Sheet
3
of
4