Hayward Max-Flo User Manual

www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
P/N: IS2700
REV. B
__________________________________________________________________________________________
OWNER’S MANUAL
INSTALLATION, OPERATION, & PARTS
*50HZ Models are not UL Listed.
Max-Flo II
™
Pump Series
The Hayward Max-Flo II™ is a series of high technology self-priming pumps that combines performance, dependability and value
with durable corrosion-proof construction. Designed for pools of all types and sizes, Max-Flo II features a Tri-Lock cam and ramp
strainer cover with a extra leaf-holding capacity strainer basket. Max-Flo II also features 2-inch threaded ports, a heavy-duty motor
designed to operate in environments up to 122 degrees F, an elevated base for improved motor cooling and to prevent flooding. The
Max-Flo II is an ideal choice for both new construction or as a replacement pump.
To prevent potential injury and to avoid unnecessary service calls, read this manual carefully and completely.
WARNING – This product should be installed and serviced only by a qualified professional.
CAUTION – A licensed electrician MUST complete, in full, all electrical installations noted in this manual.
SAVE THIS INSTRUCTION MANUAL
Use of non-Hayward replacement parts voids warranty.
ATTENTION INSTALLER – THIS MANUAL CONTAINS IMPORTANT INFORMATION ABOUT THE
INSTALLATION, OPERATION, AND SAFE USE OF THIS PUMP THAT MUST BE FURNISHED TO THE END
USER OF THIS PRODUCT. FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS COULD RESULT IN
SERIOUS INJURY.
HAYWARD POOL PRODUCTS
620 DIVISION STREET ELIZABETH, NJ 07207 (908) 351-5400
www.haywardpool.com

Hayward Max-Flo Specifications

General

Brand	Hayward
Model	Max-Flo
Category	Water Pump
Language	English

Summary

Important Safety Instructions

General Safety Precautions

Basic safety precautions, hazard symbols, and general warnings for operation.

Electrical Safety Guidelines

Warnings and guidelines for electrical installation, grounding, and bonding.

Suction Entrapment Hazards

Details on suction entrapment risks and prevention methods.

Operational Hazards

Risks associated with hazardous pressure, separation, and fire during operation.

General Information

Introduction

Overview of the manual's purpose for installation and operation.

Product Features and Benefits

Key features and advantages of the Hayward Max-Flo II™ pump series.

Product Specifications

Installation Instructions

Guidance on pump location, mounting, and system plumbing.

Plumbing Guidelines

Recommendations for plumbing connections, fittings, and pipe sizing.

Electrical Installation

Requirements for electrical wiring, grounding, and bonding.

Start-Up & Operation

Prior to Start-Up

Steps and checks required before initial pump operation or testing.

Starting/Priming the Pump

Procedure for priming the pump and initial operation.

Maintenance

Storage and Winterization

Instructions for storing the pump, including winterization and antifreeze use.

Shaft Seal Change Instructions

Removing the Motor Assembly

Steps to remove the motor assembly from the pump housing.

Removing the Impeller

Procedure for removing the impeller and accessing the shaft seal.

Removing the Ceramic Seat

Instructions for removing the ceramic seat from the seal plate.

Seal Installation

Steps for installing the new shaft seal assembly.

Replacement Parts Diagram

Parts Listing

A comprehensive list of all replacement parts with reference numbers.

Troubleshooting

Motor Will NOT Start

Checks and solutions for a motor that fails to start.

Motor Shuts OFF

Diagnosing reasons for the motor shutting off automatically.

Motor Hums, But Does NOT Start

Troubleshooting a motor that hums but does not run.

Pump Won't Prime

Steps to resolve issues where the pump fails to prime.

Low Flow

Identifying causes and solutions for reduced water flow.

Noisy Pump

Diagnosing and resolving pump noise issues.

Hayward Limited Warranty