Pentair MNG3SC Installation & Operation Manual Download Page 3

3

  

MY12715 (07-15-22)     

SAFETY SYMBOLS

 This is the safety alert symbol. When you see this symbol on 

your pump or in this manual, look for one of the following signal 
words and be alert to the potential for personal injury:

 warns about hazards that will cause serious 

personal injury, death or major property damage if ignored.

 warns about hazards that can cause serious 

personal injury, death or major property damage if ignored.

 warns about hazards that will or can cause minor 

personal injury or property damage if ignored.

The word 

NOTICE

 indicates special instructions that are 

important but not related to hazards.

CALIFORNIA PROPOSITION 65 WARNING

 This product and related accessories contain 

chemicals known to the State of California to cause cancer, 
birth defects or other reproductive harm.

BEFORE INSTALLATION:  

This manual contains important safety information regarding 
the use of this product. This product should only be installed 
and serviced by a qualified professional. Carefully read and 
follow all safety instructions in this manual and on the unit itself 
before installing or operating pump.  Keep this manual for future 
reference.

Follow all state and local codes regarding the installation and 
use of this pump.

GENERAL SAFETY

 



 Do not touch a pump while in operation as 

they can operate at high temperatures. To avoid burns when 
servicing the pump, shut off, allow it to cool for 30 minutes 
after shutdown before handling.

 



Follow all applicable local and state codes and regulations.

 



Keep safety labels in good condition, replacing any missing 
or damaged labels.

 



Submersible pumps are not approved for and should not be 
used in swimming pools, recreational water installations, 
decorative fountains or any installation where human 
contact with the pump fluid is common. Pump is designed 
for municipal and commercial wastewater applications.

 



DO NOT

 run the pump dry. Dry running can overheat the 

pump, (causing burns to anyone handling it) and will void the 
warranty.

 



The pump is permanently lubricated. No oiling or greasing is 
required in normal operation. 

 



Periodically inspect pump and system components.

 



Wear safety glasses at all times when working on pumps.

 



Keep work area clean, uncluttered and properly lighted. 
Store all unused tools and equipment.

 



DO NOT

 use to pump flammable liquids. 

SAFETY INFORMATION

Summary of Contents for MNG3SC

Page 1: ...pentair com INSTALLATION OPERATIONMANUAL 23833A733 MY12715 07 15 22 2022 Pentair All Rights Reserved SUBMERSIBLE SOLIDSHANDLINGPUMP MNG3SC X MNG4HC X MNG6MC X...

Page 2: ...TABLEOFCONTENTS SAFETY INSTRUCTIONS 3 SPECIFICATIONS 5 INSTALLATION 7 OPERATION MAINTENANCE 8 TROUBLESHOOTING 10 PARTS LIST 11 WIRING DIAGRAMS 17 WARRANTY 19...

Page 3: ...unit itself before installing or operating pump Keep this manual for future reference Follow all state and local codes regarding the installation and use of this pump GENERAL SAFETY Do not touch a pu...

Page 4: ...water appropriately to ensure satisfactory performance and prevent premature failure OTHER DANGERS RISK OF FIRE OR EXPLOSION Can cause severe personal injury property damage or death Do not smoke or...

Page 5: ...e circuit remains around 330K ohm If the circuit shows open the circuit is not complete indicating a broken wire corroded wire or loose connection If the lower seal leaks and moisture enters this cham...

Page 6: ...ING PUMP IN SUMP HAZARDOUS VOLTAGE Can shock burn or kill When installing operating or servicing this pump carefully follow the safety instructions listed herein RISK OF FIRE OR EXPLOSION Do not smoke...

Page 7: ...re to not damage the o ring or the machined surfaces of the castings Doing so could void FM agency certifications 2 While prying evenly on both sides separate the cord cap casting from the motor housi...

Page 8: ...pump conductor as sometimes a high leg will exist For excessive voltage on one leg the electric utility company should be consulted PUMP MAINTENANCE As the motors are oil filled no lubrication or othe...

Page 9: ...25 30 Ft lbs Ensure all screws have proper torque to prevent backing out A thread locking compound is recommended to prevent vibrational loosening over time 7 Measure the clearance with a feeler gaug...

Page 10: ...Discharge gate valve may be partially closed or partially clogged 2 Check valve may be partially clogged Raise level up and down to clear 3 Pump may be running in wrong direction Low speed pumps can o...

Page 11: ...11 MY12715 07 15 22 MNG3SC MNG4HC MNG6MC PARTS LIST...

Page 12: ...F14 BEARING BALL UPPER 000650111 1 1 F15 BEARING BALL ANG CONTACT DBL ROW 071670181 1 1 F16 PLUG PIPE 1 2 SKT HD 009240101 3 3 F17 SCREW DRIVE 6 045800011 6 6 E8 PROBE SEAL FAILURE 109010011 2 2 E9 SE...

Page 13: ...CREW CAP HEX SOC LINER JACK BOLT 005560211 4 005560211 4 B11 RING O VOL TO SEAL PLATE 001500241 05876A280 05876A280 B12 SCREW CAP HEX SST BRG HSG TO SEAL PLATE 19103A071 4 19103A071 4 B13 SCREW CAP HE...

Page 14: ...3SC015243 28251E023 15 460 3 8 4 6 25 154371102 MNG3SC015253 28251E024 15 575 3 10 4 6 25 154371102 MNG3SCX015203 28251E621 15 208 3 8 4 6 25 154371102 MNG3SCX015223 28251E622 15 230 460 3 8 4 6 25 15...

Page 15: ...MNG4HCX015423 28253E622 15 230 460 3 8 4 10 154471122 MNG4HCX015443 28253E623 15 460 3 8 4 10 154471122 MNG4HCX015453 28253E624 15 575 3 10 4 10 154471122 MNG4HC020403 28253E031 20 208 3 6 4 10 75 154...

Page 16: ...154421062 MNG6MCX015423 28252E622 15 230 460 3 8 4 9 25 154421062 MNG6MCX015443 28252E623 15 460 3 8 4 9 25 154421062 MNG6MCX015453 28252E624 15 575 3 10 4 9 25 154421062 MNG6MC020403 28252E031 20 20...

Page 17: ...17 MY12715 07 15 22 WIRINGDIAGRAMS...

Page 18: ...18 MY12715 07 15 22 WIRINGDIAGRAMS...

Page 19: ...ity this limited warranty will not apply a to defects or malfunctions resulting from failure to properly install operate or maintain the unit in accordance with the printed instructions provided b to...

Page 20: ...products and services Pentair reserves the right to change specifications without prior notice Pentair is an equal opportunity employer Loctite is a registered trademark of Henkel AG Company KGaA 2022...

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