Manual de instrucciones de Murphy TATTLETALE 518PH

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“Loop Circuit” Wire Length in Miles @ 77°F (25°C)
00-02-0187
Revised 10-06
Section 25
Installation and Operation of the
®
518PH, 518APH & 518E TATTLETALE
Please read the following information before installing. A visual inspection of this product for damage during shipping is
recommended before mounting. It is your responsibility to have a qualified person install this unit.
GENERAL INFORMATION
Dimensions and Installation
2-5/8 in.
2-5/16 in.
(67 mm)
(59 mm)
WARNING
2-15/32 in.
BEFORE BEGINN

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TYPICAL WIRING DIAGRAMS Figure 1 shows a jumper installed between “SW1 and “SW2”. Figure 2 shows a Closed Loop™ circuit with normally open Murphy ® ® SWICHGAGE instruments are normally open. This is not a SWICHGAGE instruments and Normally Closed switches (alignment Closed Loop™ circuit. and “V” belt switches, etc.). Figure 1 Figure 2 518PH / 518APH / 518E 518PH / 518APH / 518E R Ammeter R Ammeter G NO NC SW1 SW2 B G NO NC SW1 SW2 B “Energized” “Energized” To Shutdown ** 14 Amp To Shutdown **