Murphy Switch EL150EX User Manual

EL150EX-04033N  
Effective 02-04  
Section 15  
00-02-0564  
EL150EX SWITCH/TERMINAL KIT  
INSTALLATION INSTRUCTIONS  
Please read the following information before installing. A visual inspection of this product for damage during shipping is rec-  
ommended 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  
WARNING  
BEFORE BEGINNING INSTALLATION OF THIS MURPHY PRODUCT  
Terminal  
Block  
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.  
Microswitch  
Assembly  
Installation  
1. Place screws in terminal block mounting holes and fasten to  
Figure 1.  
the cover as shown in Figure 1.  
Complete Installation of Switch/Terminal Kit  
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.  
Figure 2.  
Example of Correct Calibration  
6. Repeat steps 4 & 5 until microswitch “clicks” at the correct  
location.  
A limited warranty on materials and workmanship isWgivaenrwraithnthtisyFW Murphy product. A copy of the warranty may be  
CONTROL SYSTEMS & SERVICES DIVISION  
P.O. Box 1819; Rosenberg, Texas 77471; USA  
+1 281 633 4500 fax +1 281 633 4588  
INDUSTRIAL PANEL DIVISION  
P.O. Box 470248  
Tulsa, Oklahoma 74147 USA  
+1 918 317 4100 fax +1 918 317 4266  
USA–ISO 9001:2000 FM 28221  
UK–ISO 9001:2000 FM 29422  
FW Murphy  
P.O. Box 470248  
Tulsa, Oklahoma 74147 USA  
+1 918 317 4100 fax +1 918 317 4266  
MURPHY DE MEXICO, S.A. DE C.V.  
Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje  
San Luis Potosí, S.L.P.; México 78384  
+52 444 8206264 fax +52 444 8206336  
Villahermosa Office +52 993 3162117  
FRANK W. MURPHY, LTD.  
Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.  
+44 1722 410055 fax +44 1722 410088  
www.fwmurphy.com  
Printed in U.S.A.  
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.  
ELK150EX-04033N page 1 of 1  
 

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