Hayward Maxflo VS SP2303VSP User Manual

IS2303VSP2 Rev-B
Hayward Pool Products
620 Division St, Elizabeth, NJ 07207
Phone: (908) 355-7995
www.hayward.com
Maxflo VS
™
Owner’s Manual
Model SP2303VSP
MaxFlo VS Variable Speed Pump
Hayward’s MaxFlo VS variable speed pump delivers incredible energy savings via its advanced hydraulic
design combined with a totally enclosed, permanent magnet motor. MaxFlo VS is easily installed either
as a programmable stand-alone pump or with a Hayward or third party controller and features an easy-
to-use digital control interface that can be mounted in four different positions on the pump or removed
and mounted on the wall for total user convenience.
Note: To prevent potential injury and to avoid unnecessary service calls, read this manual carefully and
completely. Unless otherwise stated, instructions in this manual apply to both pump models.
SAVE THIS INSTRUCTION MANUAL

Hayward Maxflo VS SP2303VSP Specifications

General

Brand	Hayward
Model	Maxflo VS SP2303VSP
Category	Water Pump
Language	English

Summary

Important Safety Instructions

Safety Alert Symbols and Signal Words

Explains symbols like WARNING, CAUTION, NOTICE used for hazard identification.

General Installation and Usage Warnings

Covers reading instructions, qualified installation, electrical codes, and pool types.

Electrical Safety Precautions

Covers shock hazard, GFCI, bonding, and wiring requirements for safe electrical connections.

Suction Entrapment Hazards

Details risks like hair, limb, body, evisceration, and mechanical entrapment from suction.

Entrapment Hazard Reduction

Discusses multiple suction outlets and spacing to prevent entrapment.

Pressure and Separation Hazards

Covers risks from system pressure and component separation.

Operational and Installation Risk Warnings

Includes fire hazard, operating limits, and general installation risks.

General Information

Introduction

Provides an overview of the manual's purpose and instructions.

Primary Features

Lists the key capabilities and design aspects of the pump.

Product Dimensions

Displays the physical measurements of the pump.

Energy Efficiency Overview

Installation and Wiring

Site Preparation and Physical Installation

Covers pump location, mounting, and pipe sizing.

Electrical Requirements and Safety

Details wiring, grounding, bonding, and voltage specs.

Control Interface and Remote Connections

Covers interface orientation, wall mounting, and remote control wiring.

Overall Installation Procedure

Consolidates the steps for installation and wiring.

Wiring Diagrams

Input Power Wiring

Diagram for essential power connections.

Digital Control Interface Wiring

Diagram for optional wall-mounted interface.

External Relay Speed Control Wiring

Diagram for remote pump speed selection via relays.

Hayward Automation Control Wiring

Diagram for integration with Hayward automation systems.

Remote Stop Switch Wiring

Diagram for connecting a remote stop switch.

Startup & Operation

Prior to Start-Up Checks

Important steps before initial operation.

Starting and Priming the Pump

Step-by-step guide for initial pump start.

User Interface Overview

Explains the buttons, displays, and LEDs on the control panel.

Menu Structure and Initial Configuration

Outlines menu categories and first-time setup screens.

Configuration Menu Settings

Details on setting day, time, speeds, and low temp operation.

Timer Menu Programming

How to program speed schedules and days of operation.

Preset Speed and Diagnostic Menus

How to set custom speeds and view system diagnostics.

Pump Control Functions

How to stop, resume, and use the Quick Clean mode.

Remote Stop Operation

Explains how the remote stop switch functions.

Maintenance

Storage / Winterization

Storing Pump For Winterization

Specific steps for preparing the pump for winter.

Shaft Seal Change Instructions

Removing Motor Assembly

Steps to detach the motor from the pump housing.

Removing Impeller and Ceramic Seat

Steps to remove impeller and ceramic seal components.

Seal Installation Procedure

Steps for correctly installing the new shaft seal.

Replacing Impeller and Diffuser

Steps to reassemble impeller and diffuser after seal replacement.

Reassembling Motor Assembly

Steps to reattach the motor to the pump.

Replacement Parts

Parts Diagram

Visual representation of pump components with reference numbers.

Parts Listing with Details

Comprehensive list of parts, numbers, descriptions, and quantities.

Troubleshooting

General Pump Problems

Addresses motor start/stop issues, humming, and general operation.

Low Flow and Clogged Lines

Solutions for reduced flow, blockages, and piping restrictions.

Pump Noise and Interference Issues

Covers causes of pump noise and communication interference.

System Error Code Explanations

Details and troubleshooting for system error messages.

Warranty Information

Product Registration

FCC Compliance Statement