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Hayward Universal H-Series Low NOx Support Question

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Question posted by anickmoore on June 6th, 2014

How Do I Correct A Limit String Open Error On An Hayward H150 Above Ground Pool

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Answer #1: Posted by online24h on June 7th, 2014 8:08 AM

online24h

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March 28th, 2014

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Hello
See link below
http://www.ask.com/question/how-do-i-correct-a-limit-string-open-error-on-an-hayward-h150-above-ground-pool-heater

Hope this will be helpful "PLEASE ACCEPT"

Related Hayward Universal H-Series Low NOx Manual Pages

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 5

...position while system pump is not assembled properly, damaged, or missing. WARNING - USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville,TN Tel: 908-351-5400 www....as described above . WARNING - Failure to the pool. Strainer cover must be in open position. Do not operate pool and spa circulation system unless filter air relief valve body is ...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 6

...Physical inability to leave the spa. 4. The term Suction Outlet is used for water to the 100°F [38°C] maximum rule. 4. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA.... 7. Pregnant women beware! If the pool/spa is a fitting, fitting assembly, cover/grate and related components that might exceed healthful temperature limits and cause injury. Hyperthermia occurs when the...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 7

...warranty. Hayward strongly recommends that if the heat exchanger or exchanger headers (water-containing section) leak within one year from defects in this manual. ATTENTION: If the pool/spa/hot...questions remain unanswered, contact the factory or local representative. Section I. Limited warranty summary: We warrant the pool/spa/hot tub heater to defects in materials and workmanship, we will...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 8

...to form on pool walls, in the filtration system, in pool heater design and manufacture. Changing spa water regularly and maintaining the correct chemical balance ...POOL/SPA WATER CHEMISTRY The chemistry balance and mineral content of swimming pool water changes daily due to Maintain Proper Water Chemistry May Cause Premature Heat Exchanger Damage or Failure The heat exchanger in your Hayward pool...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 9

...25 in the installation manual for the heater, open the bypass so that corrosive and potentially damaging water...heater from back flowing into the heater. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville,... 2: Keypad and label locations Keypad Remove these (4) screws to using pool, spa, or hot tub. BYPASS Until water chemistry is properly balanced. Ensure...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 12

... for assistance. Blower will display if 120V polarity is reversed, low voltage is detected, or if error the ground path is corrected. Gas valve sensed bD as "OFF" error If valve is free of leaves and debris prior to re-light. Prover switch AO open when it should be displayed on the heater display board. Automatic...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 13

... prover switch closes. after the error is corrected. Automatic restart is 2 minutes after error is corrected. Automatic restart is corrected and the limit string closes. After the third occurrence in lockout and senses that the igniter circuit is open error If the limit string opens the heater shuts down and go into lockout. Limit string open when the blower is running the...

Owner's Manual: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 14

..., altered or disconnected. CONDITIONS AND EXCEPTIONS: This warranty applies only to the pool/spa at its original place of this warranty shall remain in accordance with Certified ... hereof. 14 Hayward Pool Heater Certificate of Limited Warranty Limited heater warranty: TERMS AND COVERAGE: We warrant our pool heater to be free from defective installation; 5. A pool/spa heater is installed...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 5

... position in open filter manual air relief valve. WARNING - Failure to keep suction outlet components clear of the pool/spa from your supplier. WARNING - Before servicing pool and spa circulation system,...starting the circulation system. WARNING - Motors operate at more than 40 PSI. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN Tel: 908-351-5400 ...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 6

...and related components that might exceed healthful temperature limits and cause injury. Physical inability to perceive ...spa. 4. Spa or hot tub water temperatures should adhere to the 100°F [38°C] maximum rule. 4. Pregnant women beware! USE ONLY HAYWARD...spa. 1. Always stir pool/ spa water before or during the first three months of alcoholic beverages before entering the pool/spa...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 7

...pool/spa/hot tub heater. The premium materials and the exacting processes used in materials and workmanship, Hayward will within one year) is NOT covered under the manufacturer's warranty. Test your Hayward pool heater is filled with the consumer for proper low...factors are listed on page 35. Limited warranty summary: Hayward warrants the pool/spa/hot tub heater to your warranty....

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 8

...spa water regularly and maintaining the correct chemical balance in your heater's heat exchanger: Chlorine Bromine pH Total Alkalinity Calcium Hardness Salt Recommended Level 1 - 3 ppm 2 - 4 ppm 7.4 - 7.6 80 - 120 ppm 200 - 400 ppm Effect of Low...USE ONLY HAYWARD GENUINE REPLACEMENT ...pool/spa water test kit to name a few. Make sure your piping has a bypass valve installed for the heater, open...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 11

...to remove the bracket or the rear louvered panel. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN ... or to adjacent public walkways, adjacent buildings, openable windows, and building openings complies with the National Fuel Gas Code (ANSI... to the ground. Locating the heater: Locate the pool/spa/hot tub heater in an area where leakage of a pool (in Table...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 24

...supply the proper amount of gas volume to Hayward Technical Service. Inlet attention : Do not ...gas supply installation: The heater is shipped from pool/spa structure and in the cabinet side (see Figure.... Use joint compounds resistant to or Low voltage greater than one appliance is installed... gas line, consult the local gas company for correct sizing. If the propane gas tank is CSA ...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 28

... teflon tape on the threads. Install the pressure relief valve with the discharge connection facing the ground. If desired, you may order the pressure relief valve from Hayward; Hazardous voltage can be used for non-ASME pool/spa heaters. All electrical wiring MUST be in Figure 28. Please note that licensed electricians do NOT...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 34

... testing: further adjustment is needed . 7. Tthhe egaus vsaelvoe.f an open flame to de- 1. eIxnsptallol sthieo1n/8"repsipuelntiipnpgle iinntostheevgearsevailnvej.ury and/ or ...plug Regulator adjustment screw under this screw cap d. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN ... and the heater or for a low-capacity gas meter. Heat exchanger soots... pool/spa ...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 35

...knob on and off . This is out of the pool or spa, the pressure switch may require adjustment to compensate for heat...required to create a call for the change in . USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN Tel: ...pump and ensure all air is located above or below the 1- Correct the installation. When the heater is out of the pressure switch ...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 47

...screws 3. Remove the front access panel. The limits have the same temperature settings and are interchangeable. Lime scale accumulation in series with two automatic high limits, located on the water header, below the outlet...: 1. Drain the heat exchanger of steps 1 - 4. Figure 46: High Limit Switch USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pomona, CA Clemmons, NC Nashville, TN Tel: 908-351-...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 52

.... Blower will operate until error condition is corrected. Gas valve sensed bD as "ON" error If valve is open when the blower is running . Automatic reset is immediate after error is corrected. PF Electrical supply wiring This code will display if 120V polarity is reversed, low voltage is detected, or if error the ground path is 60 minutes. If...

Service/Installation: H150FDN H200FDN H250FDN H300FDN H350FDN H400FDN - Page 53

...low water flow conditon. HS or B) Inlet water temperature sensor is reporting a temperature change at a rate faster than 30 s the error code will be displayed but the control will be displayed. Keypad button stuck Sb closed error...error condition is corrected and the limit string closes. USE ONLY HAYWARD...or less. Limit string open error If the limit string opens the heater ...