8
LVP180914 Rev. D
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• Appropriately marked as the disconnect for the device and associated circuit
• Sized appropriately to the requirements of the protected circuit (See Specications)
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” ( ) terminal provided. Wire sizes must be selected such that it can safely 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.
ELECTRICAL CONNECTIONS
Note: The LP II can be operated from 120-240 VAC 50/60 Hz or 24-48 VDC and provides reverse polarity
protection in the event of a wiring error.
LP II SERIES INTEGRAL MODEL ONLY
Input Power Connections
1. Refer to Figures 3 or 4 and 5 when connecting input power to the unit.
2. Loosen the housing cover screws and remove cover.
CAUTION: IF THE UNIT WAS SUPPLIED WITH A GASKET AVOID FOLDING, CUTTING, OR TEARING GASKET.
DAMAGING THE GASKET CAN ALLOW MOISTURE TO ENTER THE ENCLOSURE AND DAMAGE THE UNIT.
Note:
Two threaded female conduit openings are provided in the housing to separate input and output wiring.
3. Pull approximately 4.5” of cable through conduit closest to the grounding bracket and strip as follows:
a. Ground –
3
/
8
” (9 to 10 mm)
b. Power Leads –
1
/
4
” (6 to 7 mm)
4. Attach incoming ground lead to grounding bracket as shown in Figure 5.
Note: The LP II incorporates pluggable terminal blocks for ease of connection. If the terminal block is unplugged while
making connections, ensure it is seated properly when reinstalled.
5. Attach power leads to terminal block as shown in Figure 3 or 4. (3.5 in-lb, 0.4 N-m)
6. Check that all wires are held tightly in place by lightly pulling each conductor.
Main Relay Connections
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