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Installation Guide
If the connection is to be made through the bottom of PEFS-ESW product, the cable shall be drilled at the
bottom until the aperture reaches the cable diameter, and there shall be a sealing method to seal the cable with
the hole drilled at the bottom to ensure that the pfS-ESW product seal can reach IP68.
Power Supply can be unclipped from the DIN-Rail for easier wiring.
Connect one lead of the cable to the PEFS-ESW power negative (-) terminal and the other lead to the 24VDC
positive (+) conductor at the vacant switch terminal. AMP 2 pole socket (internal thread) is used to connect the
remote end to ensure correct polarity. [AMP connector pin 1 positive (+24VDC), pin 2 negative (0VDC)]
Do not remove the wire connection between the PEFS-ESW power supply positive pole (+) and the switch.
Connect the AMP socket (female) of PFS-PL to the AMP plug (male) of PEFS--ESW.
MULTIPLE INSTALLATIONS
One PEFS-PL will control two solar panels and by series connection of the PEFS, multiple solar panel pairs can be
connected to form a greater capacity system. The diagram below illustrates a typical example of a PEFS protected
installation using 8 solar panels and 4 PEFS-PL.
If the array has an odd number of panels, a single panel can be connected directly to the positive (+) and
negative (-) panel cables of the PEFS-PL.
Also, the PEFS series allows for multi-level/multi-zone installation through the use of an Emergency Switch
Enclosure PEFS-ESW connected in series with the initial Emergency Rapid Shutdown Switch's power supply
Positive (+) wire 24VDC.
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