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© Copyright 2023 ABB. All rights reserved.
GPS2436_MAN
Rev. 1.3
13. Safety
Please read and follow all safety instructions and warnings before servicing the GPS 4827. Reference
the GPS Installation Guide and individual module product manuals for safety statements specific to
the modules.
Safety Statements
Please read and follow all safety instructions and warnings before installing, maintaining, or
repairing the system:
•
The CE Mark demonstrates compliance with the European Union Council Directives for Low Voltage and EMC.
•
The UACD is Underwriters Laboratories (UL) recognized per Subject Letter 1801, DC Power Distribution Centers for
Telecommunications Equipment.
•
Install only in restricted access areas (dedicated equipment rooms, equipment closets, or the like) in accordance
with articles 110
-
26, 110
-
27, and 110
-
18 of the U.S. National Electric Code (NEC
-
2011), ANSI/NFPA No. 70, and
pursuant to applicable local codes.
•
This equipment is to be used in controlled environments (an area where the humidity is maintained at levels that
cannot cause condensation on the equipment, the contaminating dust is controlled, and the steady
-
state ambient
temperature is within the range specified).
•
This equipment has been evaluated for continuous use in ambient temperature from 5°C to 55°C.
•
This equipment must not be installed over combustible surfaces.
•
For installations in the United States, Listed compression connectors are to be used to terminate Listed
•
field
-
wired conductors where required. For all installations, the appropriate connector is to be applied only to the
correct size conductor as specified by the connector manufacturer, using only the connector manufacturer
’
s
recommended tooling or tooling approved for that connector.
•
The shelf in combination with the NE050AC48ATEZ has not been evaluated for hot
-
swapping.
•
If the proper connector for the country of installation is not provided, obtain appropriate connectors and follow
manufacturers and all local requirements for proper connections. All national and local rules and regulations should
be followed when making field connections.
•
All input and output connections comply with SELV requirements.
•
Insulation on field
-
wired conductors should be rated no less than 90° Celsius. Size conductors based on listed
recommendations. Wiring internal to enclosed equipment cabinets should be rated at 105° Celsius (minimum).
•
Torque or secure electrical connections to the values specified on labels or in the product documentation.
•
Alarm contacts on the office alarm connector are not fused within the controller; therefore, current limiting
protection for these contacts must be provided by external circuits. Maximum ratings for alarm connections are
60Vdc and 0.5 amperes. Exceeding these maximum ratings could result in fire or damage to the unit.
•
In enclosed equipment cabinets, the chassis must be connected directly to the cabinet ac service ground bus. For
applications in huts, vaults, and central offices, the chassis must be connected to the system integrated ground grid.
•
This product operates equally well if installed as part of the Isolated Ground Plane (Isolated Bonding Network) or the
Integrated Ground Plane (Mesh
-
Bonding Network, aka, Common Bonding Network). ABB recognizes there are
different grounding techniques that are equally successful. Adhere to a commonly accepted and consistent
grounding approach to ensure personnel safety, network protection, and proper equipment operation. Multiple low
impedance paths to Earth ground are essential.
•
The equipment and subassembly ports are suitable for connection to intra
-
building or unexposed wiring or cabling.
The equipment and subassembly ports can be connected to shielded intra
-
building cabling grounded at both ends.
