Hayward W3H400FDN User Manual

FOR YOUR SAFETY
WARNING: If the information in these
instructions is not followed exactly, a re or
explosion may result causing property damage,
injury, or death.
- Donotstoreorusegasolineorotheram-
mablevaporsorliquidsinthevicinityofthis
oranyotherappliance.
WHAT TO DO IF YOU SMELL GAS:
• Donottrytolightanyappliance.
• Donottouchanyelectricalswitch;donotuse
anyphoneinyourbuilding.
• Immediatelycallyourgassupplierfroma
neighbor’sphone.Followthegassupplier’s
instructions.
• Ifyoucannotreachyourgassupplier,callthe
redepartment.
-Installationandservicemustbeperformedby
aqualiedinstaller,serviceagency,orthegas
supplier.
POOL AND SPA/HOT TUB HEATERS
H150FD, H200FD, H250FD, H300FD,
H350FD, H400FD & H500FD MODELS
OWNER’S MANUAL
FOR YOUR SAFETY
Thisproductmustbeinstalledandservicedbyauthorizedpersonnel,qualiedinpool/spa
heaterinstallation.Improperinstallationand/oroperationcancreatecarbonmonoxidegas
anduegasesthatcancauseseriousinjury,propertydamage,ordeath.
1301640701 REV G 0914
PRINTED 10/24/2011 AT 1:13 PM
U.S. PATENT NOS. 6,321,833 & 7,971,603

Hayward W3H400FDN Specifications

General

Brand	Hayward
Model	W3H400FDN
Category	Swimming Pool Heater
Language	English

Summary

Safety Information

General Safety Precautions and Symbols

Explains safety symbols, warning definitions, and fundamental safety rules.

Electrical Safety Guidelines

Covers safe electrical installation, wiring, bonding, and shock prevention.

Suction Entrapment Hazards

Details entrapment risks and preventative measures for suction outlets.

Operational and Installation Safety

Addresses hazards like pressure, fire, and risks associated with installation.

Hot Tub Specific Safety Rules

Safety guidelines for hot tub use, including hyperthermia and general precautions.

SECTION I. GENERAL INFORMATION

Introduction to the Manual

Overview of the manual's purpose and recommendations for owners.

Limited Warranty Summary

Summary of the heater's warranty, coverage, and limitations.

SECTION II. CONSUMER OPERATION & MAINTENANCE

Maintaining Proper Water Chemistry

Guidelines for water chemistry, flow, and chlorination for heat exchanger health.

Heater Operation and Lighting

Instructions for operating the heater, including lighting and bypass procedures.

Keypad and Label Information

Details on the user interface keypad and lighting/operation instruction label.

Temperature Adjustment

How to set and adjust the desired water temperature for pool or spa.

Temperature Lock-out and Unit Selection

Procedure to lock temperature settings and switch between Fahrenheit and Celsius.

Winterization and Spring Start-up

Guidance for preparing the heater for winter and starting it in spring.

Error Codes

List and explanation of error codes displayed on the heater for troubleshooting.

HAYWARD POOL HEATER CERTIFICATE OF LIMITED WARRANTY

Warranty Terms, Coverage, and Limitations

Details on warranty coverage, exclusions, and user responsibilities for installation.

Warranty Claim Procedure

Steps for initiating a warranty claim and contacting the manufacturer.