STA-RITE MPFA6E-146L User Manual

DYNA-GLAS
TM
and DYNA-MAX
TM
CENTRIFUGAL PUMPS
WITH INTEGRAL TRAP
O W N E R’ S M A N U A L
INSTALLATION, OPERATION & PARTS
Series MPRA, MPEA, and MPFA
See Page 2 for Model Numbers
This manual should be furnished to the end user of this pump;
its use will reduce service calls and chance of
injury and will lengthen pump life.
(Unions optional)
FOR POSITION ONLY
© 2010 Pentair Water Pool and Spa, Inc. All rights reserved.
1620 Hawkins Ave., Sanford, NC 27330 • (919) 566-8000
10951 West Los Angeles Ave., Moorpark, CA 93021 • (805) 553-5000
Customer Suppport: (800) 831-7133
Sta-Rite®, Dyna-Glas™ , Dyna-Max™ and Pentair Water Pool and Spa® is a trademark and/or a registered trademark of Pentair
Water Pool and Spa, Inc. and/or its affiliated companies in the United States and/or other countries. Plasto-Joint Stik® is a registered
trademark of La-Co Industries, Inc. Teflon® is a registered trademark of E.I. Du Pont De Nemours and Company Corporation. Unless
noted, names and brands of others that may be used in this document are not used to indicate an affiliation or endorsement between
the proprietors of these names and brands and Pentair Water Pool and Spa, Inc. Those names and brands may be the trademarks or
registered trademarks of those partiesor others.
04-15-10
S4243 (Rev. A)

STA-RITE MPFA6E-146L Specifications

General

Brand	STA-RITE
Model	MPFA6E-146L
Category	Water Pump
Language	English

Summary

READ AND FOLLOW SAFETY INSTRUCTIONS!

Hazard Warnings

Details DANGER, WARNING, and CAUTION signal words for potential hazards.

General Safety Precautions

INSTALLATION

Essential Safety Precautions

Provides essential safety precautions for using the equipment, including child supervision.

POOL PUMP SUCTION REQUIREMENTS

Hazardous Suction Warning

Warns about suction hazards, potential for entrapment, severe injury, or death.

Entrapment Protection Mandate

Mandates pump suction system protection against entrapment or hair entanglement.

Suction Outlet Cover Maintenance

ELECTRICAL

Grounding and Bonding Installation

Explains proper grounding and bonding procedures for the motor and electrical system.

Voltage Matching and Safety

Grounding/Bonding

Motor Grounding and Bonding

Details how to ground and bond the motor according to electrical codes and pool structure.

Wiring and Circuit Breaker Guidelines

OPERATION

Pump Priming Procedure

Details the procedure for priming the pump, including filling the trap and ensuring proper suction.

STORAGE/WINTERIZING

Antifreeze and Freeze Protection

Warns against using toxic antifreeze and emphasizes draining the pump to prevent freeze damage.

Pump and Piping Draining

Outlines steps for draining the pump and piping, including using air or antifreeze for protection.

PUMP SERVICE

Qualified Service Personnel

Pre-Service Safety Checks

Shaft Seal Replacement

Details the step-by-step process for disassembling the pump and removing the shaft seal.

Pump Reassembly/Installing New Seal

Ceramic Seat Installation Guide

Rotating Seal Installation

Impeller and Diffuser Assembly

Troubleshooting: No Pump Output

Lists common causes for lack of pumping, reduced capacity, or low discharge pressure, and their solutions.

Electrical System Issues

Pump Speed and Temperature Diagnosis

Mechanical Troubleshooting and Noise

Piping Support and Mounting Impact