6
C048-702-30 R02, Rev. B (03/2021)
3.0
3.0 Unpacking and Inspection
Unpacking and Inspection
The TRD was carefully packaged at the factory to withstand the normal
rigors of shipping� However, you should carefully inspect the box and
contents to confirm that no damage has occurred in transit. Most
shipping carriers require notification of shipping damage within twenty-
four hours of delivery, and it is the responsibility of the recipient to
inspect the shipment immediately upon receipt�
3.1
3.1 Package Contents
Package Contents
Included with your product are the following items:
y
TRD control board
y
Two remote temperature sensors with LED status
y
Mounting hardware kit
y
Temperature sensor cables
4.0
4.0 Installation
Installation
Installation of the TRD kit is typically performed as a retrofit for existing
DCX Series battery disconnect systems in communications battery
rooms or similar -48VDC power plants� Orders direct to the factory for
new systems where the TRD option is specified on the order are factory
installed prior to shipment. This procedure defines the retrofit process
to install the TRD kit in an existing DCX Series disconnect system�
Figure 1. TRD board
Figure 2. Battery temperature sensor for
TRD
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 product 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) specified in Section 6.
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�
