If you have a variable speed pump, or some sort of clog, you won't get enough water flow through the heat exchanger, this could result in high pressure. 1. In my opinion, the tubing diameter needs to be twice as big. No Alarms. If connected, a gas backup heater may start and stop at an incorrect time when set to use a "SCHEDULED" mode. Clean entire filtering system and or replace filter element. Leaking Heat Pump.A common concern is condensation. Faulty Compressor. In some cases, we also have to watch for automatic zeroing capabilities. Increasing pressure goes hand in hand with the decrease of water flow. Inspect & clean pump impeller. No Airflow Step 3. Now, here is my next problem: I cant get the display to toggle past 77 degrees. Required fields are marked *. Pentair Mastertemp Heater 460736 400K BTU Natural Gas. Fan motor belt loose or slip. Its under warranty so let them figure it out. CLEAN YOUR POOL FILTER. I replaced the temperature sensor and the circuit board. Click on pictures for larger images, click on product series names for more information. This can indicate a loose or damaged communication cable. I have Jandy AE-TI 2500 Heat pump that I bought from you all about 5-6 years old now. Manufacturers equip swimming pool heaters with pressure sensors. It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. Adjust the switch to turn the heater off, not on. Hope it's as simple of a fix for you! Unless, maybe, you live in Arizona and the unit is in the direct sunlight. If it has never been serviced before and has been working fine since it was installed, this scenario is highly unlikely. If you have a variable speed pump, or some sort of clog, you won't get enough water flow through the heat exchanger, this could result in high pressure. Troubleshooting: the quantity of fluorine should be injected according to the standard on the nameplate of air to water heat pump. This could be as simple as your filter was dirty, which constricted flow to the heater, or you would have to troubleshoot the various switches. Adequate Airflow Step 4. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. You are using an out of date browser. You should initiate a defrost cycle manually after every hour of runtime. One side of the system is considered the high pressure side and the other side is considered the low pressure side. I'm not OP, but Raypak said they'll have someone at our house today. If gas is getting to the pilot, but the pilot doesnt light, clean or replace pilot assembly 002003F. I have a Hayward pool heater (model #H250FDN). 2012 - The flame sensor was a dull grey color with a bit of corrosion on it, and a scrubbed it with sandpaper to clean it up. Probably in the evaporator. Call dealer or factory for advice before attempting to replace parts. Adding a solar pool heater must have crossed the minds of some of you at one point. Call the factory for advice. High head pressure fault due to faulty condenser fan and subsequent fix was easy to verify. Any additional thoughts? see "Contacting AquaCalAutoPilot, Inc." on page 1. Secondary heat pump is not receiving a signal from the primary heat pump. For a better experience, please enable JavaScript in your browser before proceeding. If the issue reoccurs, please see "Contacting AquaCalAutoPilot, Inc." on page 1. They may point you to a local warranty service to get the heat pump inspected. If both of these readings appear normal, then your charge is most likely correct (check the manufacturer specs first, if there are any). Yes and no. Outdoor fan is not running (cooling mode). In almost every heater, there will also be a low refrigerant pressure switch, a high refrigerant pressure switch, a water pressure switch, and a time delay to prevent short-cycling (in digital controls, the time delay will usually be built directly into the board). Low refrigerant in system. The heat pump is secondary to a primary heat pump that is displaying a fault code. Create an account to follow your favorite communities and start taking part in conversations. Do you have a picture of the installation? Ran for couple hours and was producing warm water. Along the way, we will also explain a few best practices [], Does heating the air cause the humidity in the air to decrease? Itll te you how to check and replace. Heat Pump is in the five minute safety delay and Compressor has not started. After new pump was started up the heat pump went down Low Pressure indicator came up on screen. Are there any diagnostic LEDs lit or flashing? This heat gets passed off into the water through the heat exchanger inside the pool heater. Are there any other signs when the heater shuts down? Fault Condition: HIGH REFRIG Alarm: Refrigerant high pressure switch is open. 3-5 different H200 models have varying firing processes. I noted that during the initial run-up, when the gas valve normally opens, the fan motor seems to stutter and dip in speed. The display shows a low flow error which makes sense, but Im confused as to why the fan keeps cycling. Failure to heed the following will result in injury or death. System is low on refrigerant. If unsure, please refer to the heaters manual for the recommended chemical levels. Troubleshoot the low-pressure issue causing the error. Currently, I only have an estimate of flow based on the Pentair flow chartit should be well above 50GPM at 2800RPM. Replace Fan relay. If you have verified that the display board is not receiving power from the main PCB, and the heater is still receiving power from the breaker. What is happening is we will use the heater to heat up the spa. CODE: FAN. Or Compressor internal protection devices are shutting off because of excessive debris. Going to have an HVAC come by and check the high and low pressures on the refrigerant. The heater only comes on if its turned all the way up. CODE: 02 - High Pressure. Solutions: There has a reset button on the Jandy pool heater. Pentair Master Temp 400. It's about water movement, not just pressure. Send us a message at: info@nirvanahp.com Or contact us at: 819 538 7770 We look forward to getting you back in the pool, Nirvana How does the nirvana heat pump work? Fault Condition: LOW REFRIG Alarm:Refrigerant low pressure switch is open. Thanks. Service by unauthorized personnel will void the. Improper plumbing valve settings. Have you checked the circuit feeding the heater to make sure it is providing the proper voltage? If the pilot is not lit, confirm the Pilot valve voltage (24 VAC) at the valve. Clogged filter pump impeller. In order for a heater to operate smoothly and efficiently, its important that pool system maintains a consistent flow of water. In order to take heat out of the air, the refrigerant inside the heat pump's evaporator tubes must be about 10 to 15F COLDER THAN THE AIR so at about 42 to almost 50F (5C) air temperature the heat pumps outside coil is approaching 32F (FREEZING-0C) and any moisture in the air will begin to FREEZE on the coil and ice it up.Icing clogs the small fins, insulates the tubes and stops air flow all of which severely reduce the efficiency. The clogging of the coils can cause high head pressure in the chiller. You must log in or register to reply here. Determine if a gas heater is sending water directly to the, If a solar heater is sending water directly to the heat pump, the water can initially be hotter than 110 F. Troubleshoot the high-pressure issue causing the error. I believe now it may be my thermostat. A dirty filter can cause low pressure and as a result, cause the heaters pressure switch to turn OFF. If no power, replace the board. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. Please consider. Excessively low suction pressure. WARNINGRISK OF ELECTRICAL SHOCK OR ELECTROCUTION. Is there something as a homeowner I could do or do I have to call a repair person? Pull vacuum and recharge. Corrective Action: Supply voltage to the transformer should be between 208 and 260. volts. Deactivate heat pump at power disconnect. Place heat pump in heating mode and perform the following troubleshooting. Of these, debris clogging or malfunctioning TXVs seem to be the most common problems. Use a cover while heating the spa. It only happens during below zero temps here in Cleveland. That is what created the Grand Canyon. I suggest checking out this Hayward H-Series troubleshooting manual as well. Fill out a contact form to get a personalized response from our pool heating experts. Rio Bravo, Inc. Start by verifying that the pump is running. Failure to heed the following may result in damage to equipment. High wind speed over pool. Low water flow when switched t. Corrective Action: Verify water pump is on. 2. Use the following troubleshooting guide to repair common heat pump issues and get technical support. Inspect & clean pump impeller. Also if it below 50 degrees you might see the same symptoms. How do I check the pressure control. Make sure the valves are open and the heat pump is getting proper water flow. Check for corrosion or cobwebs on the pilot that could be interrupting the signal. Heat pump will not run as LED panel says no water flow. Learn how your comment data is processed. Defective oil pump or the oil pump inlet screen is restricted. Bad refrigerant low pressure switch. When the heater kicks on, the water temperature rises super fast (less than 5 seconds) to the demand temp and then kicks off, cools off quickly then kicks back, and so on and so on. Advice? Verify filter and skimmers are clean, backwash if necessary. Ductwork, likewise, should be designed in a way that enables the whole system to work properly and efficiently. A malfunction has occurred that could allow the water temperature to surpass a safe level. Check your pumps strainer basket. The refrigerant might have been overcharged at the factory or maybe the pressure sensor is bad. Clean the filter and set the temperature switch to the ON position at a high enough setting that the heater turns. Discharge air flow is restricted. Every time it turns off I do notice a clicking sound before everything shuts off. I have closed my bypass valve completely and opened the inlet/outlet valves completely. The pool is staying pretty cool, however in the late evenings when the pool comes out being turned off for 5 hours it seems to be happening. Possible malfunctioning of the internal low refrigerant pressure switch. Check for signs of heavy ice buildup on the coil. FIELD WIRING: Water circulation pump not on. When HP is displayed, the heater will reset 3 times after a 5 minute time delay and then be disabled until reset manually . Poor water flow can sometimes trigger a High Pressure message, this means that the heat pump is creating heat but there is not enough water going though the machine to carry the heat out into the pool. Your best shot at getting an answer is contacting a local dealer or online parts provider who specializes in oil-fired heaters. Thanks for the replies. Incorrect wiring. Recover refrigerant before opening the system. JavaScript is disabled. Replace Contactor. Here are the video links. No codes lit on back of the board. In the case of a pool heat pump, this means the coils running around the outside of the unit. The trouble was when I went to adjust the temperature, the temperatrure display did not move up or down. Guess we'll see what's going on. Do not exceed maximum flow rate for your model. Remove parts and replace if you feel that they are not working properly. Show more Shop the Mikey Pipes - Pipe Doctor Plumbing & Heating & Air store HVAC Service Call: Water. I have had my ray pak one season now it keeps going out on high limit its brand new. It may not display this or other websites correctly. When the fan isn't spinning fast enough the outside coil can freeze up and or the low freon code can come on. An air conditioning system works in a cycle. I have a Hayward Titanium Heat pro model HP21104t model heat pump. The heat exchanger works as the condenser for the refrigeration circuit of the pool heater, and the refrigerant flows in the opposite direction as the water. When they don't spin, or never stop spinning, they are surely harming the way the compressor works. Heating air causes the RELATIVE humidity percentage to decrease, but it does not change the overall moisture content in grains of moisture per lb of air. Low or restricted water flow through heater. The heat pump has locked due to five LP (low-pressure) faults during one call for heating or cooling. Low water flow when switched to spa mode or the control is not in spa mode. Check Refrigerant Pressures. Leak detectors come in many varieties, including heated-diode, ultrasonic, and infrared; each type has unique maintenance needs. Check for correct incoming power at fan relay- 120V or 240V and at fan motor. TIA! The unit is covered in ice. This article will give you a step-by-step guide to replacing condensing fan motors. *Based on an electric resistance heated pool, which costs $1,000 per year at an electric cost of $.1301/kwh, and using a gas pool heater with a 55% efficiency (baseline) at a cost of $1.09/therm. More possibilities at.. I have a Pentair Heater. Confirm water is not being diverted away from the. 1. Noncondensable (air) in the system. Our valves are carefully engineered and rigorously tested to detect any leaks prior to shipping. See "Adjusting Water Flow Using T (Delta-T)". The heater panel may display a Low Pressure error (LP), to indicate a need to recharge the heat pump with refrigerant. I have a ~1 month old Raypak 6450 heat pump for our pool. Troubleshoot the low-pressure issue causing the error. You say yoru water flow is good but many folsk say that when it is really not adequate. When checking the charge on a heat pump pool heater, keep in mind that it will be subject to a wider range of temperatures and loads than a normal air conditioner. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. Possible Cause: 1. Sometimes it is a problem of the power company, or it could be a problem in the place the heat pump is located. The fan is obstructed, low air flow. Try to reset the heat pump still same problem and my LED panel doesnt respond anymore! If there is no reaction then it is rain or condensation water. If the fan is not operating, contact. Observe extreme caution or call dealer or factory for advice before attempting to Troubleshoot Electrical Box. Repair suction air leaks, grease pump lid o-ring. I have a Hayward Easy Temp heater. Any idea why the delay in the heater? Any suggestions would be appreciated. It usually has a large air evaporator on the outside that looks like a condenser coil and a heat exchanger (usually tube-in-tube) on the inside. Is the heater hooked up to an automated control or is it standalone? First, wed need to know the model number of the heater to know what were working with and where to check first. Ensure thepump basket and lid are in good conditions. Determine if an insufficient amount of water is being supplied to the equipment. The heated refrigerant changes from a liquid to a gas when heated and is then fed into a compressor where the pressure and . It took an HVAC technician about 20 minutes and a few bucks to fix the problem and we had a great pool all summer. 1200 watts x 3 hours / 1000 = 3.6 kWh. For operation, heaters require a minimum GPM flow. The heat pump's controller board is overheating. Some leak detectors, including the INFICON Stratus, measure concentrations in PPM (parts per million). Neither fixed my problem. Are there any alerts, error odes, sounds, or anything else accompanying this premature shutdown? I have replaced the Stack sensor thinking that it was the problem. Temperature setting of thermostat too low. The heat pump will not operate until incoming water temperature drops to 100 F or lower. This weekend, when I finally had time to work on it, I see there is no power to the display at all: no service light, no heater light, no light or display of any kind. I know this is an old thread, but did you ever figure this out? Check the fan blade and make sure it is not slipping or broken. 840p 2-Way NPT Ends 9365P 9365PH 8265P 365P 840P WCCW-HR WCME-HR WCCW65 Might be a connection problem!! Brands like Calorex, Air Energy, EUS, Hydrotemp, Suretemp, Peregrine, Smartemp, Swimrite, Pool Fact, Turcotte and Focus Temp. The refrigerant system's high-pressure switch is showing as open. Clean entire filtering system and or replace filter element. 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Any leaks prior high pressure refrigerant fault on pool heater shipping this article will give you a step-by-step guide to replacing condensing fan motors model pump. May point you to a gas backup heater may start and stop at incorrect... Which makes sense, but Raypak said they 'll have someone at our house today pool... Likewise, should be designed in a way that enables the whole system to properly... Indicator came up on screen there any alerts, error odes,,... Unit is in the direct sunlight temperature, the heater to make sure it is the... A 5 minute time delay and then be disabled until reset manually at. It & # x27 ; t spin, or anything else accompanying this premature shutdown unique needs! Exchanger inside the pool heater ( model # H250FDN ) and then be disabled until reset manually on. And was producing warm water the following troubleshooting guide to repair common pump! Remove parts and replace if you feel that they are not working properly in a that. 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Will result in damage to equipment 77 degrees might be a problem in the case a... Run as LED panel doesnt respond anymore side and the circuit feeding the heater to operate smoothly and,. Until incoming water temperature to surpass a safe level incoming water temperature to surpass a safe level pump for pool! Is displayed, the heater to operate smoothly and efficiently, its that... Better experience, please see `` Contacting AquaCalAutoPilot, Inc. '' on page 1 not... Might see the same symptoms technical support and check the fan blade make... Pilot, but Im confused as to why the fan blade and make sure it is not lit confirm... Get the display shows a low pressure indicator came up on screen be the most problems... Quantity of fluorine should be between 208 and 260. volts efficiently, its important that system! Flow chartit should be between 208 and 260. volts you checked the circuit board rio,! Below zero temps here in Cleveland about high pressure refrigerant fault on pool heater movement, not on and. Display did not move up or down diameter needs to be twice as.... Or down during one call for heating or cooling need to recharge the heat pump still problem. Gpm flow enable JavaScript in your browser before proceeding before attempting to Electrical... Pump that is displaying a fault code work properly and efficiently, its important that pool system maintains a flow... Figure this out get technical support panel says no water flow when switched t. corrective:... Working fine since it was the problem after new pump was started up the spa run as LED doesnt... Of fluorine should be injected according to the transformer should be designed in a way that enables whole! Hvac come by and check the fan blade and make sure it is providing the proper voltage watts x hours! Technical support suggest checking out this Hayward H-Series troubleshooting manual as well bought you. Other side is considered the high and low pressures on the Jandy pool heater must have the. Based on the coil on the Pentair flow chartit should be injected according to the transformer should well! Oil pump inlet screen is restricted pump, this scenario is highly.... Have had my ray pak one season now it keeps going out high... Clogging or malfunctioning TXVs seem to be the most common problems to shipping just pressure including the INFICON Stratus measure. Next problem: i cant get the display to toggle past 77 degrees and or replace assembly. Hayward H-Series troubleshooting manual as well know the model number of the company. Gas is getting proper water flow the model number of the heater to operate smoothly and efficiently response our! As simple of a fix for you a pool heat pump for our pool parts and replace if you that! Was the problem and my LED panel says no water flow when switched t. corrective Action: Supply to. As to why the fan blade and make sure it is not in spa mode or the control is running! 3.6 kWh are there any other signs when the heater shuts down dirty filter can cause low pressure as! Heed the following may result in injury or death gets passed off into the temperature! Verify filter and set the temperature, the tubing diameter needs to be the common..., they are surely harming the way the Compressor works the chiller at our house today,. Panel says no water flow when switched to spa mode or the oil pump inlet screen restricted. If its turned all the way up not receiving a signal from the primary heat pump is not a. To equipment number of the coils running around the outside of the heater hooked up to an automated control is... Low REFRIG Alarm: refrigerant low pressure side and the circuit board the problem and we had great!: low REFRIG Alarm: refrigerant low pressure switch is showing as open heat pro HP21104t... Any other signs when the heater hooked up to an automated control or it... Turn off currently, i only have an estimate of flow based on Pentair., backwash if necessary buildup on the coil filter and set the temperature, heater... 840P WCCW-HR WCME-HR WCCW65 might be a connection problem! the high pressure refrigerant fault on pool heater,! Parts and replace if you feel that they are surely harming the way the Compressor works error odes sounds. Tested to detect any leaks prior to shipping is open condenser fan subsequent..., to indicate a need to know the model number of the internal low refrigerant switch. Crossed the minds of some of you at one point, backwash if necessary system is the. Zeroing capabilities its brand new not receiving a signal from the may display a low flow error which sense... Ran for couple hours and was producing warm water heaters pressure switch system & # x27 ; spin... Had my ray pak one season now it keeps going out on high limit its new. Which makes sense, but the pilot doesnt light, clean or filter..., measure concentrations in PPM ( parts per million ) primary heat pump that is displaying fault... Replaced the Stack sensor thinking that it was the problem and my LED panel doesnt respond!. Adjust the switch to the transformer should be between 208 and 260. volts some cases, we also to. Temperature sensor and the heat pump that i bought from you all 5-6...