Hayward H150 Installation, Operation And Service Manual page 5

This additional information is intended to provide the most current and up-to-date information to the customer.
Please refer the the below text, in addition to the manual for information and warnings about your product.
WARNING: Failure to Maintain Proper Water Chemistry May Cause
Addendum to H-Series Heater Manual
The heat exchanger in your Hayward pool heater is made from the highest quality of copper and nickel (Cupronickel) materials. The
The heat exchanger in your Hayward pool heater is made from the highest quality of copper and nickel (Cupronickel)
premium materials and the exacting processes used in the manufacture of the heat exchanger is state of the art in pool heater design and
This additional information is intended to provide the most current and up-to-date information to the customer.
materials. The premium materials and the exacting processes used in the manufacture of the heat exchanger is state
manufacture. Yet, it remains vital that the heat exchanger be protected from damaging or corrosive chemicals, insufficient water flow
Please refer the the below text, in addition to the manual for information and warnings about your product.
of the art in pool heater design and manufacture. Yet, it remains vital that the heat exchanger be protected from damag-
or improperly balanced water chemistry. Heat exchanger damage or failure resulting from improper flow, improperly balanced pool
WARNING: Failure to Maintain Proper Water Chemistry May Cause
ing or corrosive chemicals, insufficient water flow or improperly balanced water chemistry. Heat exchanger damage or
water or the improper addition of sanitizers into the water is NOT covered under the terms of your warranty.
failure resulting from improper flow, improperly balanced pool water or the improper addition of sanitizers into the water
The following factors are critical to heat exchanger protection. Follow these guidelines to help prevent pre-mature damage or failure to
is NOT covered under the terms of your warranty.
The heat exchanger in your Hayward pool heater is made from the highest quality of copper and nickel (Cupronickel) materials. The your heater and heat exchanger.
premium materials and the exacting processes used in the manufacture of the heat exchanger is state of the art in pool heater design and
The following factors are critical to heat exchanger protection. Follow these guidelines to help prevent pre-mature dam-
1. WATER FLOW THROUGH HEATER
manufacture. Yet, it remains vital that the heat exchanger be protected from damaging or corrosive chemicals, insufficient water flow
age or failure to your heater and heat exchanger.
Water must be flowing through the heater at the minimum rated flow rate during operation. Check that the pump is operating and the
or improperly balanced water chemistry. Heat exchanger damage or failure resulting from improper flow, improperly balanced pool
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
water or the improper addition of sanitizers into the water is NOT covered under the terms of your warranty.
1. WATER FLOW THROUGH HEATER
manual on page 13. Some installations may require an adjustment to the water pressure switch for proper low-flow protection. Test
Water must be flowing through the heater at the minimum rated flow rate during operation. Check that the pump is op-
The following factors are critical to heat exchanger protection. Follow these guidelines to help prevent pre-mature damage or failure to your system and if necessary, adjust the water pressure switch as described in the installation manual on page 32.
erating and the system is filled with water and purged of all air prior to starting the heater. The minimum rated flow rates
your heater and heat exchanger.
2. POOL/SPA WATER CHEMISTRY
are listed on page 13 of this manual. Some installations may require an adjustment to the water pressure switch for
1. WATER FLOW THROUGH HEATER The chemistry balance and mineral content of swimming pool water changes daily due to the addition of pool and sanitizing chemicals,
proper low-flow protection. Test your system and if necessary, adjust the water pressure switch as described on page
Water must be flowing through the heater at the minimum rated flow rate during operation. Check that the pump is operating and the bather loads, rain, runoff and the amount of sun - to name a few. Improper chemistry balance and mineral content can cause scaling and
32 of this manual.
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 deposits to form on pool walls, in the filtration system, in the heat exchanger tubes and additionally can promote corrosive action to all
manual on page 13. Some installations may require an adjustment to the water pressure switch for proper low-flow protection. Test metals in the water path. Changing spa water regularly and maintaining the correct chemical balance in your pool/spa will keep the
2. POOL/SPA WATER CHEMISTRY
your system and if necessary, adjust the water pressure switch as described in the installation manual on page 32. 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
The chemistry balance and mineral content of swimming pool water changes daily due to the addition of pool and
(at least weekly). Use the following guidelines to help protect your heater's heat exchanger:
2. POOL/SPA WATER CHEMISTRY
sanitizing chemicals, bather loads, rain, runoff and the amount of sun - to name a few. Improper chemistry balance and
The chemistry balance and mineral content of swimming pool water changes daily due to the addition of pool and sanitizing chemicals,
mineral content can cause scaling and deposits to form on pool walls, in the filtration system, in the heat exchanger
bather loads, rain, runoff and the amount of sun - to name a few. Improper chemistry balance and mineral content can cause scaling and
tubes and additionally can promote corrosive action to all metals in the water path. Changing spa water regularly and
deposits to form on pool walls, in the filtration system, in the heat exchanger tubes and additionally can promote corrosive action to all
maintaining the correct chemical balance in your pool/spa will keep the pool/spa safe and sanitary, and will help protect
Chlorine
metals in the water path. Changing spa water regularly and maintaining the correct chemical balance in your pool/spa will keep the
the heat exchanger. Use a 4-way pool/spa water test kit to check your water frequently (at least weekly). Use the fol-
Bromine
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
lowing guidelines to help protect your heater's heat exchanger:
(at least weekly). Use the following guidelines to help protect your heater's heat exchanger:
pH
Total Alkalinity
Chlorine
Calcium Hardness
Bromine
Salt
pH
3. SKIMMER CHLORINATION
Total Alkalinity
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.
Calcium Hardness
4. CHLORINATOR INSTALLATION
Salt
Chlorinators must be installed downstream of the heater, and a check valve must be installed between the heater and chlorinator to
prevent high chemical concentrations from back flowing into the heater. Make sure your piping arrangement meets the chlorinator
3. SKIMMER CHLORINATION
installation requirements shown in the installation manual on page 14.
3. SKIMMER CHLORINATION
Placing chlorine or bromine tablets directly into the skimmer may result in high chemical concentrations flowing through the heater.
Water must be flowing through the heater at the minimum rated flow rate during operation. Check that the pump is
5. BYPASS
DO NOT place chlorine or bromine tablets in the skimmer.
operating and the system is filled with water and purged of all air prior to starting the heater. The minimum rated flow
Until water chemistry is properly balanced, and if your piping has a bypass valve installed for the heater, open the bypass so that
rates are listed on page 13 of this manual. Some installations may require an adjustment to the water pressure switch 4. CHLORINATOR INSTALLATION corrosive and potentially damaging water will not flow through the heater and therefore the heat exchanger. Close the bypass valve
Chlorinators must be installed downstream of the heater, and a check valve must be installed between the heater and chlorinator to once the water is properly balanced. Failure to close the bypass valve when attempting to operate the heater will result in extensive
for proper low-flow protection. Test your system and if necessary, adjust the water pressure switch as described in the
prevent high chemical concentrations from back flowing into the heater. Make sure your piping arrangement meets the chlorinator damage to the heat exchanger. Ensure water flow through the heater is restored before operating the heater. A bypass feature is also
installation manual on page 32.
installation requirements shown in the installation manual on page 14. advantageous for service needs and for the ability to remove the heater from the water path when not heating. Refer to page 13 in the
installation manual for further information.
4. CHLORINATOR INSTALLATION
5. BYPASS
Chlorinators must be installed downstream of the heater, and a check valve must be installed between the heater and
Until water chemistry is properly balanced, and if your piping has a bypass valve installed for the heater, open the bypass so that
chlorinator to prevent high chemical concentrations from back flowing into the heater. Make sure your piping arrange-
corrosive and potentially damaging water will not flow through the heater and therefore the heat exchanger. Close the bypass valve
ment meets the chlorinator installation requirements shown on page 14 of this manual.
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 restored before operating the heater. A bypass feature is also
5. BYPASS
advantageous for service needs and for the ability to remove the heater from the water path when not heating. Refer to page 13 in the
Until water chemistry is properly balanced, and if your piping has a bypass valve installed for the heater, open the
installation manual for further information.
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 attempt-
ing to operate the heater will result in extensive damage to the heat exchanger. Ensure water flow through the heater
is restored before operating the heater. A bypass 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 13 in this manual for further information.
Addendum to H-Series Heater Manual
Models H150, H200, H250, H300, H350, H400
Premature Heat Exchanger Damage or Failure
Models H150, H200, H250, H300, H350, H400
Premature Heat Exchanger Damage or Failure
Recommended
Level
1 - 3 ppm
2 - 4 ppm
7.4 - 7.6
Recommended
80 - 120 ppm
Level
1 - 3 ppm
200 - 400 ppm
2 - 4 ppm
2700 - 3400 ppm
corrosive to heat exchanger,
7.4 - 7.6
corrosive to heat exchanger,
80 - 120 ppm
200 - 400 ppm corrosive to heat exchanger
2700 - 5000 ppm
2700 - 3400 ppm poor salt chlorinator performance
SECTION I. GENERAL INFORMATION
Effect of Low Levels
hazy water, algea growth,
bacteria causing infections
corrosive to heat exchanger,
swimmer irritation
corrosive to heat exchanger,
Effect of Low Levels
large fluctuations in pH
hazy water, algea growth,
corrosive to heat exchanger
bacteria causing infections
poor salt chlorinator performance
swimmer irritation
large fluctuations in pH
Effect of High Levels
swimmer irritation, bleaching of clothes/hair,
corrosive to heat exchanger
cloudy water, scaling of heat exchanger,
reduced sanitizer effectiveness
Effect of High Levels
scaling of heat exchanger
swimmer irritation, bleaching of clothes/hair,
scaling of heat exchanger
corrosive to heat exchanger
corrosive to heat exchanger
cloudy water, scaling of heat exchanger,
reduced sanitizer effectiveness
scaling of heat exchanger
scaling of heat exchanger
corrosive to heat exchanger
Use with 1302704001 Rev E
Use with 1302704001 Rev E
3