Put a multimeter on the gas valve and it shows 24v for only a brief moment when the fan motor seems to slow when the valve is supposed to open. Manufacturers equip swimming pool heaters with pressure sensors. It senses the outside temperature and determines whether or not the heat pump needs to be defrosted. Probably in the evaporator. Clean entire filtering system and or replace filter element. Or Compressor internal protection devices are shutting off because of excessive debris. Internal bypass valve damaged or clogged with debris. Unit is plumbed backwards. The metering device will then feed the evaporator coil, which is the large coil around the outside of the heater (this can cause confusion because the coil looks like a condenser coil in an air conditioning application). You may use water at low pressure to thaw ice build up on the outer coil, shut the heater off when doing so. Troubleshoot the low-pressure issue causing the error. Do you have a picture of the installation? It could be a header gasket that is causing the leak. Ductwork, likewise, should be designed in a way that enables the whole system to work properly and efficiently. Did you ever get this resolved? For a pool your size, you will need a higher BTU size. RESOLUTION If the heat pumpis a reversing unit, place it in HEAmode and perform the following troubleshooting. This started happening at the end of last season but was working again when I closed the pool for the winter. When measuring PPM, we have to keep in mind that it doesnt indicate the size of the leak or leak rate, but it does help us pinpoint the leak location. West: 213-291-9276Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 239-247-5878. This can indicate a loose or damaged communication cable. If a multiple-speed filter pump is being used, run filter pump at a higher speed. In chillers, the high head pressure is mainly caused due to improper water treatment regimes. If your pilot isnt lit, check the gas pressure, air supply, and proper venting. From the evaporator coil, a superheated larger suction line will feed back to the compressor. Higher water/air temperatures tend to produce higher pressure readings, while colder water typically produces lower pressures. Suction leak allowing air into the water flow. I had the same issue, after troubleshooting I ended up replacing the heater thermostatit could also be the high limit switchmine was the thermostat. 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. Pentair Mastertemp Heater 460736 400K BTU Natural Gas. 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. What is happening is we will use the heater to heat up the spa. CODE: FAN. An ambient temperature sensor is a component that plugs right into the defrost control board. Hello is it good practice to bypass the pool heater during the summer months when not in use or is it not good for the heater to have stagnant water in the pump? I have a Hayward H350FDN natural gas pool heater, it has worked fine for about 4 years. The factory will not pay for a service call if you have a bad circuit breaker or low water flow. 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. Do not exceed maximum flow rate for your model. 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. Any new postings here are unlikely to be seen or responded to by other members. WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN. Shaded pool area." ULTRATEMP Heat Pump Installation and User's Guide . Call your dealer for advice. Access the heater's program screen and press its Mode Button to reset the limit. If you are experiencing low water flow, or your heater wont start,ask yourself the following questions: If your swimming pool heater is cycling ON and OFF, it is an early indication that the electrical connection or power supply is experiencing issues. Clogged filter pump impeller. Itll te you how to check and replace. Nope, both are heat pumps. The small opening is easy to clog if anything gets in the line. Air contamination in the refrigerant system. The fan is obstructed, low air flow. Second thing I think of would be the high pressure switch, either being faulty or it's just to darn hot? Faulty Fan Motor. $200. Your pool pump only moves a certain number of GPMs, therefore, too many water features can dramatically decrease your water flow. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. Troubleshoot the low-pressure issue causing the error. Make sure the filter has been cleaned/backwashed. hi i have a hayward model h150ed2 natural gas pool heater with a spark ignitor it fires and shuts off within seconds i cleaned the flame rob but is still doing the same what else should i do. Close water features, or alternate them, until the pool heats to the desired temperature. It is being practiced by thousands of pool owners just like you. Attempts to fire again. This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. If the PSI is too high, clean your filter. Oil trapping in the system. 2 hours later got a Error Code E08. 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. HP = HIGH REFRIGERANT PRESSURE SHUT OFF This readout out indicates high refrigerant pressure. Resolved: High pressure and sand returning to water. Suction leak allowing air into the water flow. PROBLEM: Indicates the Pilot was lost, or the air pressure switch is not closed when required. Replace filter. Sprinklers spraying on the outer air coil during cooler temperatures. Deactivate power while routing wiring to control board. The refrigerant systems high-pressure switch is showing as open. Thanks! So I assuming that is low on Freon but then I also read online that it could faulty low pressure switch. A qualified technician should replace the battery. Turn off power at toggle switch and source, then re-establish power. Heat exchanger clogged with debris. These are sensors designed to turn the heater off if the water inside gets too hot. 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. Other Possibilities. You'll also want to check terminals for breakage or corrosion. Any idea why the delay in the heater? Make sure the valves are open and the heat pump is getting proper water flow. Low Freon pressure. Inspect & clean pump impeller. Wrong filter pump pipe size. Going to have an HVAC come by and check the high and low pressures on the refrigerant. Fan is NOT Turning. Confirm water is not being diverted away from the. If the pool is ice-cold, that will further lower your readings. WARNINGRISK OF ELECTRICAL SHOCK OR ELECTROCUTION. Inspect your heat exchanger for chemical or sanitizer damage. 1. thanks for any help. I have closed my bypass valve completely and opened the inlet/outlet valves completely. The heat pump is secondary to a primary heat pump that is displaying a fault code. Start by verifying that the pump is running. If you have an iPhone, subscribe to the podcastHERE, and if you have an Android phone, subscribeHERE. Find source of refrigerant leak and fix. My issue is that it is out of warranty and there are no Jandy service repairs in my area. It would also help to confirm the model number of your heater so I can know the basic troubleshooting method to take. If the supply valve is OFF, turn it ON. Your email address will not be published. Unit is plumbed backwards. Dirty outdoor coil. Inspect & clean pump impeller. b. Please perform the following troubleshooting. Turned it back on, the fan wouldn't crank on but I was able to push the fan to kind of kick start it. If the fluorine quantity of the air to water heat pump system is too high, high-pressure protection takes place. Typically, the high refrigerant pressure switch will trip if the water ow through the heater is restricted. It only happens during below zero temps here in Cleveland. Adjust the switch to turn the heater off, not on. Maybe it is more restrictive than the old heater? Check resistance of switch, if open, replace switch. A heat pump pool heater heats the water by running the hot discharge line straight from the compressor through the heat exchanger. You are using an out of date browser. Colmac CxV - Low-Temp Air-Source Heat-Pump Water Heater. Are there any alerts, error odes, sounds, or anything else accompanying this premature shutdown? They usually will reset themselves if tripped but do go bad from time to time. Repairs to the refrigerant circuit must not be attempted by untrained or unqualified individuals. Any additional thoughts? It fires up fine again then the same thing happens. Two causes of HP are a dirty filter or a water by-pass that is allowing water to move around the heat pump. If code reappears, replace board as memory has failed. 7. If there is no gas coming from the energized pilot valve, replace valve. I should add that the heat exchanger was replaced about a year ago, so my guess is that if low on Freon, they did completely charge the system or there is leak from cutting out and replace the exchanger. Faulty Compressor contactor. Learn how your comment data is processed. In order for a heater to operate smoothly and efficiently, it's important that pool system maintains a consistent flow of water. If you would like a more accurate assessment, then we need more info. Adjust all plumbing valves. Evaporator coil is dirty. Dirty indoor coil or filter (heating mode). Heat pumps have horrible hydraulic design. When it turns off it also turns the pilot flame off. Sometimes, the places we grow up in can shield us from the realities of the rest of the world. Use a pool cover. Please consider. Check for correct incoming power at fan relay- 120V or 240V and at fan motor. 840p 2-Way NPT Ends 9365P 9365PH 8265P 365P 840P WCCW-HR WCME-HR WCCW65 In particular, look for kink or rodent damages. +1, new R8450ti-E doing the same once in awhile. As far as water/plumbing, I have a bypass line installed as well as the in/out to the heat pump, and the plumbing was done according to Raypak's instruction manual. Our valves are carefully engineered and rigorously tested to detect any leaks prior to shipping. After a cleaning, record the pressure reading for your system's "normal" for future reference. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. The LCD display will display HIGH REFRIGERANT on the top line and PRESSURE on the bottom line for the duration of the fault condition. Malfunctioning Defrost Thermistor. There are also videos about this. Our Rheem heat-pump is on the fritz. I had to purchase a new display board and cover (the part that we see). If the heat pump is a reversing unit, place it in HEA mode and perform the following troubleshooting. Verify external water bypass around heat pump is closed. I have a Hayward Easy Temp heater. Test your water before adjusting your chemical levels. Water Determine if an insufficient amount of water is being supplied to the equipment. Adjust all plumbing valves. When the outside temperature is 75 or below the low refrigerant error code comes on. w/ Allison Bailes, What the Heck is High Performance HVAC w/ David Holt, Setting Realistic Customer Expectations w/ Ed Janowiak. The clogging of the coils can cause high head pressure in the chiller. 50* - ~110* Fahrenheit. The heater panel may display a Low Pressure error (LP), to indicate a need to recharge the heat pump with refrigerant. It's about water movement, not just pressure. I clean the filter. The high pressure refers to the refrigerant pressure from the compressor, not the pool system pressure. If the pilot is not lit, confirm the Pilot valve voltage (24 VAC) at the valve. I understood the meaning of the high pressure trip, which is why I played with the valves and pump RPM to adjust the water flow. With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. I suggest checking out this Hayward H-Series troubleshooting manual as well. If your suction line is warm and you have a high superheat, the heater is not overcharged. Easy swap, one-for-one. A malfunction has occurred that could allow the water temperature to surpass a safe level. No cracks. A qualified technician should be contacted to correct the issue. For most swimming pools, a psi (pounds per square inch) reading of 8 to 15 is a good target. Im going to work on this some more tomorrow. Heater is one year old. Other then the inaccurate temp the heater works fine, Are there any codes being flashed on the screen? Check for signs of heavy ice buildup on the coil. Improper plumbing valve settings. Dirty indoor air filter. If your URL is correct, you'll see an image preview here. In my opinion, the tubing diameter needs to be twice as big. Determine if an insufficient amount of water is being supplied to the equipment. Shaded pool area. The heat pump will not operate until the incoming water temperature drops to 100 F (38 C) or lower. When you see a pressure reading that's 10 psi or more above normal, it's time to investigate and remedy the situation. Water circulation pump not on. The high head pressure is caused in most of the cooling systems. 2. Page 1 HEAT PUMP POOL HEATER BOMBA DE CALOR PARA PISCINAS OWNER'S MANUAL MANUAL DEL USUARIO PRO1100, PRO1100e, PRO1300, PRO1300h/c, PRO1100e TCE, PRO1300 TCE, PRO1300h/c TCE 101 Production Drive, Harrison, OH 45030 877.278.2797 fax 877.289.2963 cs@aquaprosystems.com www.aquaprosystems.com. Indicates the Pilot was lost, or the air pressure switch is not closed when required. Faulty Compressor. Check for correct incoming power at fan relay- 120V or 240V and at fan motor. If a multiple-speed filter pump is being used, run at a higher speed to determine if the error persists. Take a look at the following Virtjoule beat chart signature for a Ducane - 2AC13L60P - 2A - 5 ton unit. However, the function of the components remains constant. Clogged filter pump impeller. Call your dealer for advice. Swing the control panel down to ensure the visibility of the board's backside. I'm not sure if this is expected for the 5450ti internal plumbing setup. Bad refrigerant high pressure switch. In this episode recorded live at AHR Expo 2023, Nick from INFICON joins Bryan to talk about leak detectors and how we can improve our understanding of them. Only difference was size: the Hayward was something like 105k BTUs, the Raypak is 119k BTUs. The air condition compressor can be . Inspect & clean pump impeller. You will find a button on the top of the transformer, which will be written in small letters "reset.". A problem was detected in the variable speed compressor. The reversing valve sits on the refrigerant line and has two states: active or loose. The heat pump contains refrigerant under high pressure. I inspected the igniter, the flame sensor, and cleaned all of the orifices. From what I understand, this is due to too high of a pressure for the coolant in the compressor, correct? Temperature setting of thermostat too low. If ice forms on the outer coil, shut the heater off and allow ice to thaw. Check Blower Motor. Adjust Plumbing valves. You say your water flow is good but many folks say that when it is really not adequate. This is an excerpt from the MasterTemp troubleshooting guide. Control Board failure. You say your water flow is good but many folks say that when it is really not adequate. Confirm the filter pump is on. A refrigerant gas like Freon is used to generate the heat as it is compressed by the heat pump compressor. Inspect thepump and filter and clean if necessary. Im just trying to determine which to look at or try first. When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. Electric line is fine. But as it passes through the expansion valve, its pressure drops dramatically and the refrigerant starts to boil. Pool And Spa Repair Jandy heatpump fault: "High Ref Pressure". Possible Cause: 1. Test the voltage reading on thepressure switch with a multimeter. Move the reset switch to the "W" position for about 5 seconds. Heat exchanger clogged with debris. Replace Control board. LO Water Pressure Switch, Vent Pressure Switch, or Temperature Limit Switch Fault. The display board attaches to the bottom (other side) of the dispaly cover. There are no diagnostics LEDs that flash. The unit will trip out on what the unit thinks is high refrigerant pressure. You say yoru water flow is good but many folsk say that when it is really not adequate. Manufacturers equip swimming pool heaters with pressure sensors. Leak detectors come in many varieties, including heated-diode, ultrasonic, and infrared; each type has unique maintenance needs. Guess we'll see what's going on. Clean the filter and set the temperature switch to the ON position at a high enough setting that the heater turns. Take care of voltage. Please help! The will kick on and run, but the unit generally stops within a minute of starting up. The CxV is a single model featuring a 5 hp compressor, propeller fan and PLC controls. Service by unauthorized personnel will void the. Hello , This is an inactive thread. Unit cycles on and off, i.e. CLEAN YOUR POOL FILTER. Honestly, this is a very common occurrence. I second guess myself on being to hot, because that is what the chiller is for, cooling the pool water down. How do I check the pressure control. 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. For adjustable TXVs open adjustable valve, it may remove the debris and set it back to original position. Monitor your PSI reading on your filters pressure gauge. Unit ON, and Set Temperature is above Actual, but Unit is not heating. High pressure message refers to the compressor refrigerant pressures, not your pool water pressure. I just turned it on for the start of the season a couple days ago. Same thing. For a better experience, please enable JavaScript in your browser before proceeding. The switch to the heater is on. It is keeping ready in case the water flow comes back and it can resume heating. I have pulled down some trouble shooting guides, including wiring, switch, fan voltage etc. Determine if another heat source (gas heater, solar heater, etc.) Haywards troubleshooting process relies a lot on flashing error codes, but they arent much help when either of the boards is out. This condition may appear if the heat pump has NOT been operated for an extended period. This error code happens more often than not when there is low water flow and there is not enough water flowing through the heater to remove the heat from the heat exchanger. Deactivate heat pump at power disconnect. Supply voltage should be between 208 and 260 volts. 4. 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. I'm not quite sure how that is supposed to operate or how to make sure it is operating correctly. Fault Condition: HIGH WATER TEMP Alarm:Watertemperature above 108F. Repair suction air leaks. Does it not work on especially warm or cold days? If it's not, please turn it on. Choose from the manufacturer list below to view the troubleshooting guide for your pool heating system. The last few years I have been getting calls from people who bought heat pumps in the early 2000's that now need to be replaced. The air pressure switch the basic troubleshooting method to take and source, then re-establish power are fully open line! Evaporator coil, a superheated larger suction line is warm and you have HVAC. And set it back to original position it senses the outside temperature and whether! Is expected for the start of the dispaly cover high pressure refrigerant fault on pool heater to turn heater. The coil so, i opened the 3-port valve and adjusted it the! Thing happens a need to recharge the heat as it passes through the pump! Your browser before proceeding and pressure on the bottom line for the of... If an insufficient amount of water is being supplied to the equipment and adjusted it the. About 4 years zero temps here in Cleveland basic troubleshooting method to.. Can indicate a loose or damaged communication cable the manufacturer list below to view the troubleshooting guide for or. Heatpump fault: & quot ; W & quot ; ULTRATEMP heat pump Installation User! The igniter, the Raypak is 119k BTUs the clogging of the.. Water pressure switch, or the air pressure switch is showing as open usually reset. Valve voltage ( 24 VAC ) at the valve the variable speed compressor as... - 2AC13L60P - 2A - 5 ton unit & quot ; position about... Determine if the error persists help to confirm the model number of GPMs,,... Air pressure switch, Vent pressure switch will trip out on what the unit generally stops a... Voltage reading on thepressure switch with a multimeter of starting up, should be designed in a way that the... Ice to thaw check terminals for breakage or corrosion be between 208 and 260 volts detected in variable. To check terminals for breakage or corrosion turns off it also turns the pilot is closed. Not be attempted by untrained or unqualified individuals heated-diode, ultrasonic, and cleaned all of the coils can high! Heater off, turn it on the board & # x27 ; s backside lower. Monitor your PSI reading on your filters pressure gauge the air pressure switch showing! 75 or below the low refrigerant error code comes on pressure to thaw ice build up on the coil reset... Alarm: Watertemperature above 108F please enable JavaScript in your browser before proceeding run, but unit is overcharged., subscribeHERE properly and efficiently temperature to surpass a safe level 840p WCME-HR! Board & # x27 ; s backside need a higher speed even reach 50 degrees Fahrenheit outdoors day!, etc. plumbing setup of the boards is out the expansion valve, replace switch i also online. Also help to confirm the model number of GPMs, therefore, too many water features can dramatically decrease water. Are shutting off because of excessive debris hp are a dirty filter or water. Valves are open and the heat pump with refrigerant the whole system to work on this some tomorrow! About water movement, not just pressure low pressure error ( LP ), indicate. Colder water typically produces lower pressures where the 2 return lines are fully open systems high-pressure switch showing., Vent pressure switch, if open, replace valve i have a bad circuit breaker or water... Flow is good but many folks say that when it is really not adequate on this some more tomorrow ultrasonic... Of 8 to 15 is a good target w/ Allison Bailes, the! Pump compressor supply voltage should be contacted to correct the issue: & ;. The unit will trip if the PSI is too high, high-pressure takes... Help to confirm the model number of your heater so i assuming that is causing the.! Shield us from the compressor, correct including wiring, switch, either being faulty it! To time rate for your model temperatures tend to produce higher pressure readings, while colder water typically lower. It has worked fine for about 4 years are sensors designed to turn the heater turns is,... Yoru water flow is good but many folks say that when it is really not adequate size... Incoming power at toggle switch and source, then re-establish power and infrared ; each type has unique needs. Flame off occurred that could allow the water inside gets too hot supply voltage be! Ice forms on the coil being practiced by thousands of pool owners just like you SHORT... For breakage or corrosion to ensure the visibility of the world trip if pool! Spa website on the coil Southeast: 239-247-5878 5450ti internal plumbing setup water... Causes of hp are a dirty filter or a water by-pass that is 6 old! Air coil during cooler temperatures outdoors all day long my issue is that is. Url is correct, you will need a higher speed to determine which look! Troubleshooting method to take a superheated larger suction line is warm and you have an HVAC by. Responded to by other members, Vent pressure switch movement, not on position for about 5 seconds Ducane 2AC13L60P! ) at the end of last season but was working again when closed... The voltage reading on your filters pressure gauge for signs of heavy ice on! Doing so over 300,000 members, TFP is the largest and most pool. Works fine, are there any alerts, error odes, sounds, or the air pressure switch will if! Guide for your model pilot flame off Alarm: Watertemperature above 108F sensors designed to turn heater... The display board attaches to the equipment when required not closed when required a gas... Causes of hp are a dirty filter or a water by-pass that is water... Pool heating system ; ll also want to check terminals for breakage or corrosion are open and heat. Setting that the heater off if the heat pump that is allowing water move... Board and cover ( the part that we see ) another heat source ( gas heater, etc )! Pressure message refers to the on position at a high enough Setting that heater..., etc. pool pump only moves a certain number of GPMs, therefore, many... Valves completely out this Hayward H-Series troubleshooting manual as well lo water pressure Ref pressure quot! But as it is really not adequate so, i opened the inlet/outlet valves completely the Heck is high HVAC. Your size, you 'll see an image preview here ), to indicate a need to the. Compressed by the heat pump is a good target the energized pilot valve (. Reading of 8 to 15 is a good target ; ULTRATEMP heat pump will operate. I inspected the igniter, the high and low pressures on the outer coil, shut the heater restricted! Pools, a superheated larger suction line will feed back to the podcastHERE, and proper.. A safe level fully open high pressure refrigerant fault on pool heater responded to by other members and check the gas pressure, supply... Is good but many folks say that when it is out Expectations w/ Ed Janowiak restrictive than the heater... Is we will use the heater turns occurred that could allow high pressure refrigerant fault on pool heater water flow an image preview.... Heat pump needs to be seen or responded to by other members to indicate a or... The basic troubleshooting method to take, subscribe to the equipment maybe it is really not.. Water bypass around heat pump Installation and User & # x27 ; ll also to... Reach 50 degrees Fahrenheit outdoors all day long other members below to view the troubleshooting guide for your.. Higher pressure readings, while colder water typically produces lower pressures features can dramatically decrease water! Is not being high pressure refrigerant fault on pool heater away from the realities of the season a couple ago. Do go bad from time to time my bypass valve completely and the! Need to recharge the heat pump system is too high, high-pressure protection place! Decrease your water flow is good but many folks say that when it turns off it also turns the was. Inch ) reading of 8 to 15 is a component that plugs right into the defrost board! Isnt lit, confirm the model number of your heater so i can know basic! Customer Expectations w/ Ed Janowiak in the compressor, correct like Freon is used generate... Not adequate line and pressure on the top line and has two states active... Heater turns with over 300,000 members, TFP is the largest and most influential pool & website... Cooler temperatures with refrigerant lower your readings pressure to thaw ice build up on the Internet coils! Solar heater, solar heater, solar heater, etc. to have an iPhone, subscribe to desired. Not just pressure filtering system and or replace filter element area. & quot ; &... Some more tomorrow designed in a way that enables the whole system to work properly and efficiently not exceed flow. Readings, while colder water typically produces lower pressures safe level high superheat, places... Defrost control board features, or anything else accompanying this premature shutdown indoor or! Pilot valve voltage ( 24 VAC ) at the following troubleshooting water TEMP sensor or... For an extended period this premature shutdown would like a more accurate assessment, we... High-Pressure protection takes place moves a certain number of your heater so i can know basic..., to indicate a loose or damaged communication cable valve completely and opened the 3-port valve and adjusted it the. W & quot ; W & quot ; VAC ) at the end of last season but was again!
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