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V.
ELECTRICAL INSTALLATION
WARNING: VERY HIGH VOLTAGE IS PRESENT. REMOVE POWER FROM THE UNIT BEFORE
INSTALLING, REMOVING, OR MAKING ADJUSTMENTS
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 LP II Series models must use conductors with an insulation rating of 300 V
minimum, rated for 212º F (105º 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 LP II
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, 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)
PROTECTIVE EARTH GROUND
To eliminate shock hazards in the unlikely event of an internal insulation breakdown, the unit is provided with
an "earth" lead which must be connected to earth ground. In addition, the input power ground lead must be
connected to the "protective earth" (
carry the sum total of all circuits' maximum amperage.
CONDUIT CABLE CONNECTION
Two threaded female conduit openings are provided in the housing for input and output wiring. When only one
conduit opening is used for installation, the unused opening must be sealed with a suitable type 4X/IP66 plug
with pipe sealant in order to maintain approval requirements.
LVP180613 Rev. B
) terminal provided. Wire sizes must be selected such that it can safely
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