Hayward H150FDAU User manual

FOR YOUR SAFETY
WARNING: If the information in these
instructions is not followed exactly, a fire or
explosion may result causing property damage,
injury, or death.
- Do not store or use gasoline or other flamma-
ble vapours or liquids in the vicinity of this
or any other appliance.
WHAT TO DO IFYOU 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
fire department.
- Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
POOL AND SPA/HOT TUB HEATERS
H150FDAU, H250FDAU, & H400FDAU MODELS
FOR USE IN AUSTRALIA
OWNER’S MANUAL
FOR YOUR SAFETY
This product must be installed and serviced by authorized personnel, qualified in pool/spa
heater installation. Improper installation and/or operation can create carbon monoxide gas
and flue gases that can cause serious injury, property damage, or death.
1302277101 REV C 0515
See www.haywardpool.com/patent for U.S. and
Canadian patent information
WARNING:
DO NOT PLACEARTICLES ON OR
AGAINST THIS APPLIANCE.
DO NOT USE OR STORE FLAMMABLE
MATERIALS NEAR THIS APPLIANCE.
DO NOT SPRAYAEROSOLS IN THE
VICINITY OF THIS APPLIANCE
WHILE IT IS IN OPERATION.

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Warnings ....................................................................................................3-6
Section I. General information.......................................................................7
Section II. Consumer Operation & Maintenance...........................................7
Using chlorinators & chemical feeders..........................................................9
Heater operation............................................................................................9
Lighting & Operating instructions label........................................................10
Fahrenheit versus Celsius...........................................................................11
Operation: Set point adjustment..................................................................11
Keypad inputs..............................................................................................11
Servicing & Maintenance.............................................................................12
Winterization................................................................................................12
Spring start-up.............................................................................................12
Error codes..................................................................................................13
Warranty Information..............................................................................14-15
CONTENTS

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Basic safety precautions should always be followed, including the following: Failure to follow instructions
can cause severe injury and/or death.
This is the safety-alert symbol. When you see this symbol on your equipment or in this manual, look for
one of the following signal words and be alert to the potential for personal injury.
WARNING warns about hazards that could cause serious personal injury, death or major property dam-
age and if ignored presents a potential hazard.
CAUTION warns about hazards that will or can cause minor or moderate personal injury and/or prop-
erty damage and if ignored presents a potential hazard. It can also make consumers aware of actions that
are unpredictable and unsafe.
ATTENTION indicates special instructions that are important but not related to hazards.
READ AND FOLLOW ALL INSTRUCTIONS IN THIS OWNER’S
MANUAL AND ON EQUIPMENT.
IMPORTANT SAFETY INSTRUCTIONS
Before installing or servicing this electrical equipment, turn power supply OFF.
KEEP SAFETY LABELS IN GOOD CONDITION AND REPLACE IF MISSING OR DAMAGED.
WARNING – To reduce risk of injury, do not permit children to use or climb on the heater, pumps or
filters. Closely supervise children at all times. Components such as the filtration system, pumps, and
heaters must be positioned to prevent children from using them as a means of access to the pool.
CAUTION – This heater is intended for use on permanently installed swimming pools and may also
be used with spas. Do NOT use with storable pools.A permanently installed pool is constructed in or
on the ground or in a building such that it cannot be readily disassembled for storage. A storable pool is
constructed so that it is capable of being readily disassembled for storage and reassembled to its original
integrity.
Though this product is designed for outdoor use, it is strongly recommended to protect the electrical
components from the weather. Select a well drained area, one that will not flood when it rains. It requires free
circulation of air for cooling. Do not install in a damp or non-ventilated location.
WARNING – It is required that licensed electricians do all electrical wiring. Risk of
Electric Shock. Hazardous voltage can shock, burn, cause death or serious property
damage. To reduce the risk of electric shock, do NOT use an extension cord to connect
unit to electric supply. Provide a properly located outlet. All electrical wiring MUST
be in conformance with AS/NZS 3000 current edition and applicable local and national
codes and regulations. Before working on this unit, turn off power supply to the heater.
WARNING – To reduce the risk of electric shock replace damaged wiring immediately. Locate conduit
to prevent abuse from lawn mowers, hedge trimmers and other equipment.
WARNING – Failure to bond to pool structure will increase risk for electrocution and could result in
injury or death. To reduce the risk of electric shock, the electrician must comply with installation in-
structions and must bond the heater accordingly. In addition, the licensed electrician must also conform
to AS/NZS 3000 Wiring Rules and local electrical codes for bonding requirements.
SAFETY INFORMATION

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NOTES TO THE ELECTRICIAN:
Use a solid copper conductor, size 8 or larger. Run a continuous wire from external bonding lug to rein-
forcing rod or mesh. Connect a No. 8 AWG solid copper bonding wire to the grounding lug provided on the
heater and to all metal parts of swimming pool or spa, and to all electrical equipment, metal piping (except
gas piping), and conduit within 1.5 m of inside walls of swimming pool or spa.
IMPORTANT -Reference AS/NZS 3000 current edition for all wiring standards including, but not lim-
ited to, grounding, bonding and other general wiring procedures.
WARNING – Suction Entrapment Hazard.
Suction in suction outlets and/or suction outlet covers which are damaged, broken,
cracked, missing, or unsecured can cause severe injury and/or death due to the fol-
lowing entrapment hazards:
Hair Entrapment- Hair can become entangled in suction outlets.
Limb Entrapment- A limb inserted into an opening of a suction outlet or suction outlet
cover that is damaged, broken, cracked, missing, or not securely attached can result in a
mechanical bind or swelling of the limb.
Body Suction Entrapment- A differential pressure applied to a large portion of the body or limbs can
result in an entrapment.
Evisceration/ Disembowelment - A vacuum applied directly to the intestines through an unprotected
suction outlet sump or suction outlet cover which is damaged, broken, cracked, missing, or unsecured
can result in evisceration (disembowelment).
Mechanical Entrapment- There is potential for jewelry, swimsuit, hair decorations, finger, toe or knuck-
le to be caught in an opening of a suction outlet or suction outlet cover resulting in mechanical entrap-
ment.
WARNING - To reduce the risk of entrapment hazards:
• When suction outlets are less than a 457 mm x 584 mm equivalent, a minimum of two
functioning suction outlets per pump must be installed. Suction outlets in the same
plane (i.e. floor or wall), must be installed a minimum of 1 meter apart, as measured
from near point to near point or as per AS 1926.3 current edition.
• Dual suction outlets shall be placed in such locations and distances to avoid “dual
blockage” by a user.
• Dual suction fittings shall not be located on seating areas or on the backrest for such
seating areas.
• The maximum system flow rate shall not exceed the flow rating of any listed (AS 1926.3 current edi-
tion) suction outlet cover installed.
• Never use the Pool or Spa if any suction outlet component is damaged, broken, cracked, missing, or
not securely attached.
• Replace damaged, broken, cracked, missing, or not securely attached suction outlet components im-
mediately.
• Install two or more suction outlets per pump in accordance with AS 1926.3 current edition. Follow all
applicable National, State, and Local codes.

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WARNING – Failure to remove pressure test plugs and/or plugs used in winterization of the pool/spa
from the suction outlets can result in an increase potential for suction entrapment as described above.
WARNING – Failure to keep suction outlet components clear of debris, such as leaves, dirt, hair, paper
and other material can result in an increase potential for suction entrapment as described above.
WARNING – Suction outlet components have a finite life, the cover/grate should be inspected fre-
quently and replaced at least every ten years or if found to be damaged, broken, cracked, missing, or not
securely attached.
WARNING – All suction and discharge valves MUST be OPEN when starting the circulation system.
Failure to do so could result in severe personal injury and/or property damage. All drains and suction
outlets MUST have properly installed covers, securely attached using the screws supplied with the cov-
ers. If screws are lost, order replacement parts from your supplier.
WARNING – Hazardous Pressure. Pool and spa water circulation systems operate
under hazardous pressure during start up, normal operation, and after pump shut off.
Stand clear of circulation system equipment during start up. Failure to follow safety
and operation instructions could result in violent separation of the pump housing
and cover due to pressure in the system, which could cause property damage, severe
personal injury, or death. Before servicing pool and spa water circulation system, all
system and pump controls must be in off position and filter manual air relief valve
must be in open position. Before starting system pump, all system valves must be set
in a position to allow system water to return back to the pool. Do not change filter
control valve position while system pump is running. Before starting system pump,
fully open filter manual air relief valve. Do not close filter manual air relief valve
until a steady stream of water (not air or air and water) is discharged.
WARNING – Separation Hazard. Failure to follow safety and operation instruc-
tions could result in violent separation of pump components. Strainer cover must be
properly secured to pump housing with strainer cover lock ring. Before servicing
pool and spa circulation system, manual air relief valve must be in open position. Do
not operate pool and spa circulation system if a system component is not assembled
properly, damaged, or missing. Do not operate pool and spa circulation system unless
filter air relief valve body is in locked position in filter upper body.
WARNING – Never operate or test the circulation system at more than 275 kPa.
WARNING – Fire and burn hazard. Motors operate at high temperatures and if they are not properly
isolated from any flammable structures or foreign debris they can cause fires, which may cause severe
personal injury or death. It is also necessary to allow the motor to cool for at least 20 minutes prior to
maintenance to minimize the risk of burns.
WARNING – Failure to install according to defined instructions may result in severe personal injury or
death.

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WARNING – The following “Safety Rules for Hot Tubs” recommended by the U.S. Consumer
Product Safety Commission should be observed when using the spa.
1. Spa or hot tub water temperatures should never exceed 40°C [104°F]. A temperature of 38°C
[100°F] is considered safe for a healthy adult. Special caution is suggested for young children. Pro-
longed immersion in hot water can induce hyperthermia.
2. Drinking of alcoholic beverages before or during spa or hot tub use can cause drowsiness, which
could lead to unconsciousness and subsequently result in drowning.
3. Pregnant women beware! Soaking in water above 38°C [100°F] can cause fetal damage during the
first three months of pregnancy (resulting in the birth of a brain-damaged or deformed child). Preg-
nant women should adhere to the 38°C [100°F] maximum rule.
4. Before entering the spa or hot tub, users should check the water temperature with an accurate ther-
mometer; spa or hot tub thermostats may err in regulating water temperatures by as much as 2.2°C
(4°F).
5. Persons taking medications, which induce drowsiness, such as tranquilizers, antihistamines or anti-
coagulants, should not use spas or hot tubs.
6. If the pool/spa is used for therapy, it should be done with the advice of a physician. Always stir pool/
spa water before entering the pool/spa to mix in any hot surface layer of water that might exceed
healthful temperature limits and cause injury. Do not tamper with controls, because scalding can
result if safety controls are not in proper working order.
7. Persons with a medical history of heart disease, circulatory problems, diabetes or blood pressure
problems should obtain a physicians advice before using spas or hot tubs.
8. Hyperthermia occurs when the internal temperature of the body reaches a level several degrees
above normal body temperature of 37°C [98.6°F]. The symptoms of Hyperthermia include: drowsi-
ness, lethargy, dizziness, fainting, and an increase in the internal temperature of the body.
The effects of Hyperthermia include:
1. Unawareness of impending danger.
2. Failure to perceive heat.
3. Failure to recognize the need to leave the spa.
4. Physical inability to exit the spa.
5. Fetal damage in pregnant women.
6. Unconsciousness resulting in danger of drowning.
DEFINITIONS:
Suction Outlet – The term Suction Outlet is a fitting, fitting assembly, cover/grate and related compo-
nents that provide a means for water to exit the pool and into the pump circulating
system.
kPa - An abbreviation for Kilopascal
Main Drain – See Suction Outlet
PSI – An abbreviation for pounds per square inch.

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INTRODUCTION:
This manual contains instructions for operation and the safe use of the swimming pool/spa/hot tub heat-
ers. Hayward strongly recommends that the owner read the manual before using the swimming pool/spa/
hot tub heater. If after reviewing the manual any questions remain unanswered, contact the factory or local
representative.
LIMITED WARRANTY SUMMARY:
We warrant the pool/spa/hot tub heater to be free from defects in materials and workmanship, and we
will within one year from date of installation for all users, for the original purchaser, repair or, at our option,
replace without charge any defective part. We further warrant that if the heat exchanger or exchanger headers
(water-containing section) leak within one year from date of such installation for all users, due to defects in
materials and workmanship, we will provide a replacement part. Cost of freight, installation, fuel, and service
labor (after one year) is at user’s expense. For full details of warranty agreement, see warranty certificate
included in this manual.
ATTENTION: If the pool/spa/hot tub heater is damaged or destroyed by improper maintenance, exces-
sive water hardness, incorrect water chemistry, or freezing it is not covered under the manufacturer’s
warranty.
SECTION I. GENERAL INFORMATION
SECTION II. CONSUMER OPERATION & MAINTENANCE
WARNING: Failure to Maintain Proper Water Chemistry May Cause
Premature Heat Exchanger Damage or Failure
MAINTAINING PROPER WATER CHEMISTRY
The heat exchanger in your Hayward pool heater is made from the highest quality of copper and nickel
(Cupronickel) materials. The premium materials and the exacting processes used in the manufacture of the
heat exchanger are state of the art in pool heater design and manufacture. Yet, it remains vital that the heat ex-
changer be protected from damaging or corrosive chemicals, insufficient water flow, or improperly balanced
water chemistry. Heat exchanger damage or failure resulting from improper flow, improperly balanced pool
water, or the improper addition of sanitizers into the water is NOT covered under the terms of your warranty.
The following factors are critical to heat exchanger protection. Follow these guidelines to help prevent
premature damage or failure to your heater and heat exchanger.

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WATER FLOW THROUGH HEATER
Water must be flowing through the heater at the minimum rated flow rate during operation. Check that the pump
is operating and the system is filled with water and purged of all air prior to starting the heater. The minimum rated
flow rates are listed in the installation manual on page 19. Some installations may require an adjustment to the water
pressure switch for proper low-flow protection. Test your system and if necessary, adjust the water pressure switch as
described in the installation manual on page 29.
POOL/SPAWATER CHEMISTRY
The chemistry balance and mineral content of swimming pool water changes daily due to the addition of pool and
sanitizing chemicals, bather loads, rain, runoff, and the amount of sun, to name a few. Improper chemistry balance and
mineral content can cause scaling and deposits to form on pool walls, in the filtration system, in the heat exchanger tubes,
and additionally, can promote corrosive action to all metals in the water path. Changing spa water regularly and maintain-
ing the correct chemical balance in your pool/spa will keep the pool/spa safe and sanitary, and will help protect the heat
exchanger. Use a 4-way pool/spa water test kit to check your water frequently (at least weekly). Use the following guide-
lines to help protect your heater’s heat exchanger:
Remember, addition of any chemicals can change the levels of chlorine, pH, and total alkalinity. It is recommended
that residential spa water be changed every 2 to 3 months to prevent water problems. Public spas may need to have the
water changed every week, or even daily, depending on the bather load.
SKIMMER CHLORINATION
Placing chlorine or bromine tablets directly into the skimmer may result in high chemical concentrations
flowing through the heater. DO NOT place chlorine or bromine tablets in the skimmer.
Recommended
Level
Effect of Low Levels Effect of High Levels
Chlorine 1 - 3 ppm
Bromine 2 - 4 ppm
pH 7.4 - 7.6
corrosive to heat exchanger,
swimmer irritation
cloudy water, scaling of heat exchanger,
reduced sanitizer effectiveness
Total Alkalinity 80 - 120 ppm
corrosive to heat exchanger,
large fluctuations in pH
scaling of heat exchanger
Calcium Hardness 200 - 400 ppm corrosive to heat exchanger scaling of heat exchanger
Salt 2700 - 5000 ppm poor salt chlorinator performance corrosive to heat exchanger
hazy water, algea growth,
bacteria causing infections
swimmer irritation, bleaching of clothes/hair,
corrosive to heat exchanger
Figure 1

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WARNING: If you smell gas in the appliance area or near the floor (PROPANE IS
HEAVIER THAN AIR AND HENCE SETTLES ON THE FLOOR), stop and follow
the instructions on the front cover of this manual. Since propane can accumulate in con-
fined areas, extra care should be taken when lighting propane heaters.
ATTENTION: Do not use the heater below 4°C (40°F) without adequate temperature protection.
WARNING: Do not ingest alcohol or drugs during use or prior to using pool, spa, or hot tub. Ingestion of such
intoxicants can cause drowsiness, which can lead to unconsciousness, and subsequently result in drowning.
USING CHLORINATORS AND CHEMICAL FEEDERS
Follow the instructions provided with any automatic or manual chlorinator and chemical feeder. All chemicals must be
introduced and diluted into the pool or spa water before being circulated through the heater. Do not place chlorine tablets
or bromine sticks directly into the skimmer. High chemical concentrations may result when the pump is not running. High
chemical concentrations will cause very rapid corrosion of the heat exchanger. This damage will not be covered by the Hay-
ward warranty.
Chlorinators must be installed downstream of the heater, and a check valve must be installed between the heater and chlo-
rinator to prevent high chemical concentrations from back flowing into the heater. Make sure your piping arrangement meets
the chlorinator installation requirements shown in the installation manual on page 20.
BYPASS
Until water chemistry is properly balanced, and if your piping has a bypass valve installed for the heater, open the
bypass so that corrosive and potentially damaging water will not flow through the heater and therefore the heat ex-
changer. Close the bypass valve once the water is properly balanced. Failure to close the bypass valve when attempting
to operate the heater will result in extensive damage to the heat exchanger. Ensure water flow through the heater is re-
stored before operating the heater. Abypass feature is also advantageous for service needs and for the ability to remove
the heater from the water path when not heating. Refer to page 19 in the installation manual for further information.
HEATER OPERATION:
Full lighting and shutdown instructions are included on the lighting & operating instructions label affixed to the
inside of the front access panel. See Figure 2 for the location of this label and the keypad. See Figure 3 for the label.
Figure 2: Keypad and label locations
Keypad
Remove this screw
to remove the front
access panel
Lighting & shutdown
label is located on the
inside of the front
access panel

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Figure 3: Lighting & Operating Instructions label