Murphy EL150EX User Manual

ELK150EX-04033N page 1 of 1

EL150EX SWITCH/TERMINAL KIT
INSTALLATION INSTRUCTIONS

EL150EX-04033N

Effective 02-04

Section 15

00-02-0564

Installation

1. Place screws in terminal block mounting holes and fasten to
the cover as shown in Figure 1.

2. Place clear plastic insulator behind microswitch and insert
screws through microswitch mounting holes.

3. Place microswitch assembly inside the cover and tighten
screws as shown in Figure 1. Make sure that all wires are placed
along the left side of the cover and that they do not interfere with
the operation of the unit.

4. Calibrate the microswitch by holding the microswitch arm
down and bending the end of the arm up with needle nose pliers.
(See Figure 2)

5. Hold the unit in hand, and move the float down while listening
for the microswitch to “click”. Microswitch should “click” when
pointer is between the L

and O in the word LOW as shown in

Figure 2.

6. Repeat steps 4 & 5 until microswitch “clicks” at the correct
location.

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 and make sure it conforms to NEC
and local codes.

GENERAL INFORMATION

BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT

✔✔

Disconnect all electrical power to the machine.

✔✔

Make sure the machine cannot operate during installation.

✔✔

Follow all safety warnings of the machine manufacturer.

✔✔

Read and follow all installation instructions.

CONTROL SYSTEMS & SERVICES DIVISION

P.O. Box 1819; Rosenberg, Texas 77471; USA
[phone] fax [phone]
e-mail [e-mail]

MURPHY DE MEXICO, S.A. DE C.V.

Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje
San Luis Potosí, S.L.P.; México 78384
[phone] fax [phone]
Villahermosa Office [phone]
e-mail [e-mail]
www.murphymex.com.mx

INDUSTRIAL PANEL DIVISION

P.O. Box 470248
Tulsa, Oklahoma 74147 USA
[phone] fax [phone]
e-mail [e-mail]
www.fwmurphy.com

FRANK W. MURPHY, LTD.

Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.
[phone] fax [phone]
e-mail [e-mail]
www.fwmurphy.co.uk

In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.

FW Murphy

P.O. Box 470248
Tulsa, Oklahoma 74147 USA
[phone] fax [phone]
e-mail [e-mail]

www.fwmurphy.com

R

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USA–ISO 9001:2000 FM 28221

UK–ISO 9001:2000 FM 29422

Printed in U.S.A.

Warranty

A limited warranty on materials and workmanship is given with this FW Murphy product. A copy of the warranty may be

viewed or printed by going to www.fwmurphy.com/support/warranty.htm

Figure 1.

Complete Installation of Switch/Terminal Kit

Figure 2.

Example of Correct Calibration

Terminal
Block

Microswitch
Assembly

WARNING