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TDR180003 Rev. I
VII. ELECTRICAL INSTALLATION
GENERAL SAFETY
When using electrical equipment, you should always follow basic safety precautions, including the following:
• The installation and wiring of this product must comply with all national, federal, state, municipal, and local
codes that apply.
• Properly ground the enclosure to an adequate earth ground.
• Do not modify any factory wiring. Connections should only be made to the terminals described in this
section.
• All connections to the unit must use conductors with an insulation rating of 300 V minimum, rated for 105 C,
a minimum flammability rating of VW-1, and be of appropriate gauge for the voltage and current required (see
specifications).
• Do not allow moisture to enter the electronics enclosure. Conduit should slope downward from the unit
housing. Install drip loops and seal conduit with silicone rubber product.
DISCONNECT REQUIREMENTS FOR PERMANENTLY INSTALLED EQUIPMENT
A dedicated disconnecting device (circuit breaker) must be provided for the proper installation of the unit. If
independent circuits are used for power input and main relay outputs, if applicable, individual disconnects are
required. Disconnects must meet the following requirements:
• Located in close proximity to the device
• Easily accessible to the operator
• Appropriately marked as the disconnect for the device and associated circuit
• Sized appropriately to the requirements of the protected circuit (See specifications)
CONDUIT CABLE CONNECTION
• Two (2) M20 x 1.5 and two (2)
1
/
2
” NPT female conduit openings are provided in the housing for input and
output wiring. When only one conduit opening is used for installation, the unused opens must be sealed with
a suitable type of plug.
WARNING: REMOVE POWER FROM THE UNIT BEFORE INSTALLING, REMOVING, OR MAKING
ADJUSTMENTS.
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