Hayward Universal H-Series Low NOx Support Question
Hayward Universal H-Series Low NOx Support Question
Find answers below for this question about Hayward Universal H-Series Low NOx.Need a Hayward Universal H-Series Low NOx manual? We have 4 online manuals for this item!
Question posted by Anonymous-152716 on July 13th, 2015
Hf Code
I have a Code HF on my display. After looking at causes, I replaced the gas valve and the flame sensor. Neither fixed the problem. what else could it be?
Current Answers
Answer #1: Posted by Odin on July 13th, 2015 4:32 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,630
Member since:
April 10th, 2010 Points: 41,236,630
Related Hayward Universal H-Series Low NOx Manual Pages
Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 1
...explosion may result causing property damage, injury, or death.
- Improper installation and/or operation can create carbon monoxide gas and flue gases that can cause serious injury, ...information in pool/spa heater installation. FOR YOUR SAFETY
This product must be installed and serviced by a qualified installer, service agency, or the gas supplier. H350FDN & H350FDP; POOL AND SPA/HOT TUB...
Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 4
... metal piping (except gas piping), and conduit ...REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville,TN Tel: 908-351-5400 www.haywardpool.com
Evisceration/ Disembowelment -
WARNING - floor or wall), must be located on seating areas or on the heater and to all metal parts of swimming pool or spa...missing, or unsecured can cause severe injury and/or death...-Reference NEC codes for jewelry,...
Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 5
...pool/spa from your supplier.
Failure to remove pressure test plugs and/or plugs used in winterization of burns. WARNING - All suction and discharge valves MUST be in an increase potential for suction entrapment as leaves, dirt, hair, paper and other material can cause...severe personal injury or death.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville,TN
Tel: ...
Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 8
... heat exchanger tubes and additionally can cause scaling and deposits to heat exchanger
3. Yet, it remains vital that
the pump is operating and the system is NOT covered under the terms of sun - Use a 4-way pool/spa water test kit to the water pressure switch for proper low-flow protection.
to the addition of...
Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 12
... the keypad to "POOL" or "SPA" and adjust the ...displayed on the heater display board.
Turn the gas supply to purge all the air from the lines. 4.
Automatic restart 2 minutes after the switch closes. PF
Electrical supply wiring This code will stop the ignition trial go into lockout with the blower running.
Automatic reset is not sufficient.
Flame present with the gas valve...
Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 14
...pool/spa at our nearest distribution center. Production of God, freezing, water void and/or excess pressure, altered or disconnected. Leakage caused substantially contributed to the Conditions and Exceptions indicated below 7.2); 9. Pursuant to this warranty shall remain in the tank, copper tubes, or water ways; 7. In addition, we will replace...equivalent pressure relief valve. 2. ing...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 4
... large portion of two function-
IMPORTANT -Reference NEC codes for jewelry, swimsuit, hair decorations, finger, toe ...metal parts of swimming pool or spa, and to all electrical equipment, metal piping (except gas piping), and conduit within...cause severe injury and/or death due to the electrician:
Use a solid copper conductor, size 8 or larger. WARNING - USE ONLY HAYWARD GENUINE REPLACEMENT...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 7
... chemistry. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC...Cause Premature Heat Exchanger Damage or Failure
The heat exchanger in pool heater design and manufacture.
WATER FLOW THROUGH HEATER Water must be protected from date of installation for proper low-flow protection. Hayward further warrant that the installer read the manual before installing the swimming pool/spa...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 8
.... USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN Tel: 908-351-5400 www.haywardpool.com Improper chemistry balance and mineral content can cause scaling and deposits to the heat exchanger. Changing spa water regularly and maintaining the correct chemical balance in your pool/spa will keep the pool/spa safe and sanitary, and...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 11
...Gas Code (ANSI Z223.1/NFPA 54) and/or CAN/CGA B149 installation codes. To access the other two (2) screws, open on (3) sides. 4.
This heater must be installed outdoors such that the installation and service clearances from the pool/spa... can be installed on the controls causing electrical damage. 5.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 24
... codes. Figure 17
attention: Apply joint compound (pipe dope)
Figure 18
sparingly and only to the first two threads.
If doubt exists as to Hayward Technical Service. 24
gas supply installation:
The heater is shipped from pool/spa structure and in accordance with the standard for the full capacity of the equipment at the valve...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 28
... valve and relief valve locations
Pressure Relief Valve
Figure 34
Drain Valve
PRESSURE RELIEF VALVE (NON-ASME MODELS ONLY):
Some local building codes require a pressure relief valve for non-ASME pool/spa ...suitable amount of Electric Shock.
A suitable drain valve is included separately with National Electric
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, ...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 34
...egaus vsaelvoe.f an open flame to read pressure in inches of those in the "OFF" position when the nipple is more than one pool/spa heater
6. Take a pressure...gas meter and the heater or for a
low-capacity gas meter. gas heaters. Heat exchanger soots up. Install the 1/8" pipe nipple into the gas valve. Gas pressure regulator adjustment procedure:
a. crease pressure. Replace...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 37
...during a 30-second post-purge period. The control performs a gas valve relay check. 5. The error code "IF" is displayed and the "SERVICE" indicator is a call for heat is ...control performs a gas valve relay check. 4.
purge period of flame - When changing the mode from "STANDBY" to either "SPA" or "POOL" there may be up to light -
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona,...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 38
...replaced. 8. Periodic inspection:
The heater is not warranted against freeze-ups. The heater's venting areas (the louvered top panel) must run continuously. Keep all water must be performed by qualified service personnel is out of the control system or gas valve...continue to display up in any part has been under the Hayward warranty. Do not store chlorine, other pool chemicals, or...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 52
... prover switch opens unexpectedly during post-purge ing) the control will display the error code.
Automatic restart 2 min after error is immediate once the gas valve relay check results are acceptable.
Automatic reset is corrected. Automatic restart 2 minutes after 2 minutes.
Flame present with gas If flame is corrected. Automatic
reset is closed before blower start-up...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 55
... short exists, replace Gas Valve. Measure resistance across pins 1 and 3 of this range, replace igniter. Ensure insulation on Harness. If Fuse is not worn. Mesure for 120VAC across Igniter. Ensure Display Interface Plug is not open , proceed to section titled ''Open FC4 Fuse''.
2. Pomona, CA Clemmons, NC Nashville, TN
1. 55 Figure 53: Troubleshooting
Code None
Fault...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 56
..., LO code is defective
Replace Gas Valve
1. If open , proceed to step 3. If set point setting of remote thermostat is removed from the display.
1. ...low water flow will cause this error. defective
1. Verify state of valves in installation manual. 56 Figure 53: Troubleshooting
Code SF
Fault
Temperature sensor input failure
Water Temperature Sensing Error
HS
Flame Present HF...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 57
.... Check for blockages.
1. Remove and inspect burners for faulty flame Inspect flame sense wiring. Replace control module. Ensure wire harness terminals are securely sense wiring or connection. Ensure plug on '' position. Winding resistance across gas valve during trial for low gas supply Ensure inlet gas supply pressure is securely fastened to temperature limits.
3. If 120VAC...
Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 58
... violation of any applicable code or ordinance, or is not installed, operated and maintained in an acid condition (pH
below :
1.
Leakage substantially contributed to the pool/spa at our option, repair any part or parts of the pool/spa heater which the serial numbers have been altered, defaced, or removed. 4. Leakage caused substantially contributed to by...
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