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C048-693-30 R02, Rev. B (04/2020)
4.0
4.0 Installation
Installation
THIS PRODUCT MUST BE INSTALLED WITHIN A
RESTRICTED ACCESS LOCATION WHERE ACCESS IS
THROUGH THE USE OF A TOOL, LOCK AND KEY, OR
OTHER MEANS OF SECURITY, AND IS CONTROLLED
BY THE AUTHORITY RESPONSIBLE FOR THE
LOCATION� THIS PRODUCT MUST BE INSTALLED AND
MAINTAINED ONLY BY QUALIFIED TECHNICIANS�
NOTICE
:
4.1
4.1 Installation Preparation
Installation Preparation
When selecting an installation location, ensure that all of the
following conditions are met before proceeding�
4.1.1
4.1.1 Elevated Operating Ambient Temperature
Elevated Operating Ambient Temperature
If you install the panel in a closed or multi-unit rack assembly, the
operating ambient temperature of the rack environment may be
greater than room ambient� Therefore, take care to install the
equipment in an environment compatible with the maximum ambient
temperature (TMA)�
4.1.2
4.1.2 Reduced Air Flow
Reduced Air Flow
Installation of the equipment in a rack should be such that the
amount of air flow required for safe operation of the equipment is not
compromised�
4.1.3
4.1.3 Mechanical Loading
Mechanical Loading
Mounting of the equipment in the rack should be such that a
hazardous condition is not achieved due to uneven mechanical
loading�
4.1.4
4.1.4 Circuit Overloading
Circuit Overloading
Give consideration to the connection of the equipment to the
supply circuit and the effect that overloading of the circuits might
have on overcurrent protection and supply wiring� Use appropriate
consideration for equipment nameplate ratings when addressing this
concern�
4.1.5
4.1.5 Reliable Earthing
Reliable Earthing
Maintain reliable earthing of rack-mounted equipment� Pay particular
attention to supply connections other than direct connections to the
branch circuit (e�g�, use of power strips)�
4.1.6
4.1.6 Disconnect Device
Disconnect Device
A readily accessible disconnect device must be incorporated in the
building installation wiring�
