Pentair MYERS MSP50A, Owner'S Manual

2

Thank you for purchasing 

your Myers

®

  pump. To help 

ensure years of trouble-free 

op er a tion,  please  read  the  

fol low ing  manual  carefully.

Before Operation:   

Read the following in 

struc-

tions care ful ly. Reasonable care 

and safe meth 

ods should be 

practiced. Check local codes and 

requirements before installation.

Attention: 

This manual contains important 

information for the safe use of 

this product.  Read this manual 

completely before using this 

product and refer to it often 

for con tin ued safe product use. 

DO NOT THROW AWAY OR 

LOSE THIS MAN U AL.  Keep 

it in a safe place so that you may 

refer to it often.

WARNING: Before handling 

these pumps and controls, 

always disconnect the power 

first. Do not smoke or use 

sparkable electrical devices or 

flames in a septic (gaseous) or 

possible septic sump.

To reduce risk of electrical shock:

1.  Risk of Electrical Shock: 

This pump has not been 

in ves ti gat ed  for  use  in  

swimming pool areas.

2.  Risk of Electrical Shock: 

Connect only to a properly 

ground ed  receptacle.

  Septic tank is to be vented 

in ac 

cor 

dance with local 

plumbing codes.

  Do not smoke or use sparkable 

electrical devices or flame in 

a septic (gaseous) or possible 

septic sump.

  If a septic sump condition 

exists  and  if  entry  into  sump  is            

necessary, then (1) provide 

proper safety precautions per 

OSHA re quire ments and (2)  

do not enter sump until 

these precautions are strictly 

adhered to.

  Do not install pump in location 

clas si fied as hazardous per 

N.E.C., ANSI/NFPA 70 - 2001.

  Failure to heed above  cautions 

could result in injury or death.

General  

Information

Pump    

Warning

NOTE: Some city regulations 

do not allow installing a 

pump with plastic pipe. Check 

local regulations.

5.  In applications where the pump 

may sit idle for months at a 

time, it is recommended that 

the pump(s) be cycled every 

month to ensure the pumping 

system is working properly 

when needed.

6. 

Myers check valve 

should be installed in 

discharge pipe.

7. An audible alarm system for 

high water conditions should 

be installed in every pump 

for greater protection, such as 

the Q Alert for indoor use, 

rated NEMA I. For additional  

control panels contact your 

MYERS distributor.

8. Connect to power source 

using 3-prong grounded 

AC receptacle. Do not 

remove ground pin from 

electrical plug. Do not use an  

extension cord.

9.  Use  pump  partially  or            

completely submerged for 

pumping  waterlike  liquids   

(temperature to 140° F). 

The MSP50 will pump 

solid  materials  up  to  1-1⁄2” 

(spherical) in      diameter. This 

pump has not been investigated 

for use in swimming pool 

areas.

10. Caution:  Do  not  pump       

flammable  liquids,  strong   

chemicals or salt water.

Installation

Instructions

These important instructions 

must  be followed for satisfactory  

performance of your pump. 

Before installation, check 

your local electrical and 

plumbing codes.

1. 

Provide proper sump. 

Recommended minimum sump 

diameter is 18”.

2. Make sure sump is free of 

string, cloth, nails, gravel, etc. 

before installing pump.

3. Do not set pump directly on 

the bottom of sump if it is 

not solid. Raise the pump by 

using bricks or concrete blocks 

underneath it.

4. Use steel or plastic pipe for 

all connecting lines between 

pump and sewer outlet.