13
- altitude:
≤
2000 m
- presence of hard solids, class 4S2 (no significant dust present)
- presence of corrosive and polluting substances, class 4C2 (negligible)
- vibration and shock, class 4M2
b.
Competence of personnel, class BA4* (trained personnel - IEC 60364)
2.
Power supply frequency variation: ± 2 Hz.
3.
The neutral (N) conductor must not be connected directly to the unit (if
necessary use a transformer).
4.
Overcurrent protection of the power supply conductors is not provided with the
unit.
5.
The factory-installed disconnect switch(es)/circuit breaker(s) is (are) of a type
suitable for power interruption in accordance with EN 60947.
6.
The units are designed for connection to TN networks (IEC 60364). For IT
networks the earth connection must not be at the network earth. Provide a
local earth, consult competent local organisations to complete the electrical
installation.
Caution: If particular aspects of an actual installation do not conform to the
conditions described above, or if there are other conditions which should be
considered, always contact your local Carrier representative.
*
The required protection level for this class is IP43BW (according to reference
document IEC 60529). All 30RA units are protected to IP44CW and fulfil this
protection condition.
Electrical data notes 30RA:
•
30RA 040-240 units have a single power connection point located at the main
switch.
•
The control box includes the following standard features:
-
a main disconnect switch, starter and motor protection devices for each
compressor, the fan and the pump
-
the control devices
•
Field connections:
All connections to the system and the electrical installations must be in full
accordance with all applicable local codes.
•
The Carrier 30RA units are designed and built to ensure conformance with
these codes. The recommendations of European standard EN 60204-1
(machine safety - electrical machine components - part 1: general regulations
- corresponds to IEC 60204-1) are specifically taken into account, when
designing the electrical equipment.
NOTES:
•
Generally the recommendations of IEC 60364 are accepted as compliance
with the requirements of the installation directives. Conformance with EN
60204 is the best means of ensuring compliance with the Machines Directive
§ 1.5.1.
•
Annex B of EN 60204-1 describes the electrical characteristics used for the
operation of the machines.
1.
The operating environment for the 30RA units is specified below:
a.
Environment* - Environment as classified in EN 60721 (corresponds to
IEC 60721):
- outdoor installation*
- ambient temperature range: -10°C to +45°C, class 4K3*
Summary of Contents for 30RA040B
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