Table of Contents
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IS2300 Rev-A1
Max-Flo XL
™
by
Owner's Manual
Max-Flo XL Pump Series
The Hayward Max-Flo XL is a series of high technology self-priming pumps that combine performance, dependability
and value with durable construction. Designed for pools of all types and sizes, Max-Flo XL features 1 1/2" x 2" union
connections to match a variety of plumbing configurations and a cam and ramp strainer cover that seals with less
than a quarter turn. The Max-Flo XL is an ideal choice for both new construction or as a replacement pump.
NOTE - To prevent potential injury and to avoid unnecessary service calls, read this manual carefully and completely.
SAVE THIS INSTRUCTION MANUAL
Hayward Pool Products
620 Division St, Elizabeth, NJ 07201
Phone: (908) 351-5400
www.haywardpool.com
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Table of Contents
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Summary of Contents for Hayward Max-Flo XL
- Page 1 The Hayward Max-Flo XL is a series of high technology self-priming pumps that combine performance, dependability and value with durable construction. Designed for pools of all types and sizes, Max-Flo XL features 1 1/2” x 2” union connections to match a variety of plumbing configurations and a cam and ramp strainer cover that seals with less than a quarter turn.
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Page 2: Table Of Contents
7.6. Replacing the Motor Assembly Replacement Parts ............................. 15 8.1. Parts Diagram 8.2. Parts Listing Troubleshooting ............................16 9.1. General Problems Warranty ..............................18 Product Registration ........................... 19 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 2 of 20 Max-Flo XL Pump IS2300 Rev-A1... -
Page 3: Important Safety Instructions
– All electrical wiring MUST be in conformance with all applicable local codes, regulations, and the National Electric Code (NEC). 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. - Page 4 Mechanical Entrapment - There is potential for jewelry, swimsuits, hair decorations, fingers, toes, or knuckles to be caught in an opening of a suction outlet cover resulting in mechanical entrapment. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 4 of 20...
- Page 5 It is also necessary to allow the motor to cool for at least 20 minutes prior to maintenance to minimize the risk for burns. WARNING – Failure to install according to defined instructions may result in severe personal injury or death. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 5 of 20 Max-Flo XL Pump IS2300 Rev-A1...
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Page 6: General Information
General Information 2.1. Introduction This manual contains information for the proper installation and operation of the Hayward Max-Flo XL Series. The instructions in this manual MUST be followed precisely. Failure to install according to defined instructions will void warranty. 2.2. -
Page 7: Pump Mounting
2. Fittings (elbows, tees, valves, etc.) restrict flow. For better efficiency, use the fewest possible fittings. Avoid fittings that could cause an air trap. Pool and spa fittings MUST conform to the International Association of Plumbing and Mechanical Officials (IAPMO) standards. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 7 of 20 Max-Flo XL Pump... -
Page 8: Electrical
(except gas piping), and conduit within 5 ft. (1.5 m) of inside walls of swimming pool, spa, or hot tub. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 8 of 20 Max-Flo XL Pump... -
Page 9: Wiring
Voltage change plug set for 230 volts Voltage change plug set for 115 volts Fig 3.9.1 Fig 3.9.2 Note: Large white arrow is for reference only. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 9 of 20 Max-Flo XL Pump IS2300 Rev-A1... -
Page 10: Startup & Operation
Have a professional perform this test. 2. Ensure all Hayward pump and system components are removed from system prior to performing test. WARNING – If circulation equipment must remain in the plumbing system during water pressure test, do not apply more than 10 psi pressure to the system. -
Page 11: Starting/Priming The Pump Maintenance
Keep motor clean. Insure motor air vents are free from obstruction to avoid damage. Do NOT use water to hose off motor. Occasionally, shaft seals must be replaced, due to wear or damage. Replace with genuine Hayward seal assembly kit. See “Shaft Seal Change Instructions” in this manual. -
Page 12: Shaft Seal Change Instructions
Disconnect all electrical power service to pump before beginning shaft seal replacement. Only qualified personnel should attempt rotary seal replacement. Contact your local authorized Hayward Dealer or service center if you have any questions. See “Parts Diagram” Figure 8.1-1 for pump component locations. -
Page 13: Seal Installation
11. Press the spring seal assembly (item #12) onto the motor shaft – black polished surface facing toward the polished surface of the ceramic seat. See Fig 7.4.1 POSITION POLISHED CERAMIC SURFACE UP POSITION RUBBER SURFACE DOWN Fig 7.4.1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 13 of 20 Max-Flo XL Pump IS2300 Rev-A1... -
Page 14: Replacing The Impeller And Diffuser
(item#11) is in place, and lubricated. Replace if damaged). Tighten alternately and evenly to 185 in-lbs using torque pattern in the following diagram. HOUSING BOLT TORQUE PATTERN Fig 7.6.1 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 14 of 20 Max-Flo XL Pump IS2300 Rev-A1... -
Page 15: Replacement Parts
SPX4000FG Drain Plug with O-Ring SPX2700ZPAK Hardware Pack (Includes 4 Housing Bolts, Seal-Plate Spacers & Square Nuts SPX2300Z3PAK3 Diffuser Screws (3 Pack) SX220Z2 Diffuser O-Ring USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 15 of 20 Max-Flo XL Pump IS2300 Rev-A1... -
Page 16: Troubleshooting
Check power supply voltage. Contact a qualified professional if the voltage is more than 10% lower than the motor nameplate voltage rating. 2. Impeller jammed with debris. Have a qualified repair professional open the pump and remove the debris. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 16 of 20 Max-Flo XL Pump... - Page 17 Replace the motor and any seal leaks should be repaired at once by replacing the shaft seal. 5. Place pump closer to water level. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 17 of 20 Max-Flo XL Pump...
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Page 18: 10. Warranty
10. Warranty USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 18 of 20 Max-Flo XL Pump IS2300 Rev-A1... -
Page 19: 11. Product Registration
DATE OF INSTALLATION ____________________ INITIAL PRESSURE GAUGE READING (CLEAN FILTER) _______________________ PUMP MODEL __________________ *Retain this Warranty Certificate in a safe and convenient location for your records USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Page 19 of 20 Max-Flo XL Pump IS2300 Rev-A1... - Page 20 Other_____________________________ Model Number_____________________________________________________ Pool Capacity_______________(U.S. Gallons) New Installation Replacement Please include me on all e-mail communications regarding Hayward Equipment or promotions. Mail to: Hayward Pool Products, 620 Division Street, Elizabeth, NJ 07207 Installation for: Attn: Warranty Dept In Ground Or REGISTER YOUR WARRANTY ON-LINE AT WWW.HAYWARDPOOL.COM...
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