Check resistance of switch, if open, replace switch. The refrigerant system’s low-pressure switch is showing as open. 2. Want to lower your pool heating bills and make pool care easy? Remove cap from bottom of TXV using 5/8”wrench, and attach 3/16”valve wrench to adjusting stem of TXV.Turn valve clockwise until closed,then turn valve counter-clockwise until completely open, then turn valve clockwise until closed again. If the heat pump is a reversing unit, place it in HEA mode and perform the following troubleshooting. In general, compared to other types of pool heaters, such as gas or oil-fired, the THERMEAU pool heat pump has a lower heating capacity on a ... Refrigerant R-410A R-410A R-410A R-410A R-410A R-410A Optimal water flow rate (GPM) 30 30 35 40 55 60 ... You can also make the connections using high-pressure flexible hose, but HIGH REFRIGERANT PRESSURE: When the head pressure builds too high, the high pressure switch will open causing the heat pump to shut off immediately. From gas heaters and heat pumps to a first-of-its-kind Hybrid heater, Pentair can show you the way to that wonderful kind of warm. Determine if an insufficient amount of water is being supplied to the equipment. Restart heat pump. This switch will auto-reset at a slightly lower pressure. Troubleshoot the low-pressure issue causing the error. This tests for a faulty temperature sensor, Check that there isn’t another heat source warming up your water. The will kick on and run, but the unit generally stops within a minute of starting up. Insufficient water flow. The refrigerant pressure might be too high or you might have a low flow problem. There is a risk of electric shock at … A restriction in your refrigeration cycle like a bad TXV (thermostatic expansion valve) or a stopped up orifice can also cause high-pressure problems. During this segment of the process, the refrigerant is converted into a gas and becomes highly pressurized in order to increase in temperature. 600CO-445CI HIGH PRESSURE SWITCH & TEE (R410A) - Pool & Spa Parts Any temperature below 50, the freon (refrigerant) will begin to freeze and prevent the heat pump from working properly. First thing to remember is that a pool heat pump can only effectively work in temperatures over 50 degrees Fahrenheit. Matt- I bought a house with a smaller in-ground pool (approx 15′ x 30′, 3.5′ shallow, 5′ deep) that has a gas powered Raypak P-R206A-EN-C. Heater is 9 years old, worked great last summer- would heat the pool to temp in an hour or so, with very warm- almost hot- water pumped into the pool. Other Possibilities. • High-pressure control open • Reset. How to fix it: Power off the heat pump to clear the error code; Try HP error code troubleshooting steps . This may be caused by a loss of water flow in the cooling mode or low airflow in the heating mode caused by a dirty filter. The high-pressure fault of the chiller means that the compressor exhaust pressure is too high, which causes the high-pressure protection relay to operate. The LCD display will display LOW REFRIGERANT on the top line and PRESSURE on the bottom line for the duration of the fault condition. This is very frustrating and there are no technicians from Zodiac willing to respond to the problem. 。 。 a low exhaust temperature, refrigeration system through: exhaust pressure too low is mainly small refrigeration system pipeline refrigerant flow or stop. What it means: heat pump is locked due to 5 consecutive high-pressure faults in once cycle. Please perform the following troubleshooting. The ON LED will flash twice every 2 seconds. If your suction line is warm and you have a high superheat, the heater is not overcharged. see "Contacting AquaCal AutoPilot, Inc." on page 1. Exhaust pressure too low reasons: 1, the inflation. These Aquacal heat pump error code explanations will help you fix some of the most common AquaCal pool heater problems: What it means: sensors are detecting low water levels in the heat pump, What it means: a communication cable may be damaged or disconnected, What it means: this code indicates an error within the control system, What it means: the defrost sensor may be disconnected or shorted, What it means: the water sensor may be disconnected or shorted, What it means: high-pressure sensor in refrigerant system may be open, What it means: heat pump is locked due to 5 consecutive high-pressure faults in once cycle, What it means: low-pressure sensor in refrigerant system may be open, What it means: heat pump is locked due to 5 consecutive low-pressure faults in once cycle, What it means: temperature of incoming water exceeds 110 degrees; heat pump locked, Medallion Energy 151 Baywood Ave. Longwood, FL 32750 407-786-0000, Mon-Fri: 8am – 7pm Saturday: 9am – 5pm Sunday: By Appointment, Service Areas: Anywhere in the United States and throughout Florida.Orlando, Longwood, Miami, Tampa Bay, Jacksonville, St Cloud, Tallahassee, Daytona Beach, Davenport, Windermere, Clearwater, and the rest of North, South, and Central Florida, © 2019 Medallion Energy | Pool Heat Pumps, Parts, and Repair. If the high pressure switch opens at a lower pressure than indicated there is a fault in the high pressure switch If the high pressure switch opens at the incorrect pressure, replace it. In another twist of too much oil in the sight glass, the high level of oil may be caused by liquid refrigerant in the crankcase. 6. TXV Stuck Closed. High Pressure When this light is on, it indicates high refrigerant pressure. Faulty Compressor: The compressor is the unit that heats up refrigerant to an extreme temperature and raise the pressure so that it can heat the water and pump back through the unit. Why Swimming Pool Heaters Warm Water Ready When You Are. There have been reports of a few newly installed Heat Pumps where Raypak needed to send out service under warranty to adjust the high pressure switch. Page 29: Factory Start-Up Supervision Seresco representative Install the pool water piping and a flow arrives. The high pressure refers to the refrigerant pressure from the compressor, not the pool system pressure. Started Saturday. Page 35: Heater Specifications chanical energy as another unit of heat. Please advise if there is anything we can do to fix this issue. The heat pump has locked due to five LP (low-pressure) faults during one call for heating or cooling. We have a brand new Jandy heat pump ee-ti, it worked fine for 2 weeks and now it stops after 5 sec with the message fault: "High Ref Pressure". The normal value should be 1.4 ~ 1.8MPa, and the protection value setting is recommended not to exceed 2.0MPa. The standard NE Series unit is configured performance. 1. As a filter gets dirty, the water flow to the heat pump is reduced. The water pressure switch may be incorrectly calibrated. Repairs must not be attempted by untrained or unqualified individuals. We have cleaned all pipes and flow is normal (even those internal Jandy). Heat Pump pool heaters are similar to the heat pumps for home heating and cooling in that they contain refrigerant. Low Pressure When this light is on, it indicates a loss in refrigerant pressure in the system. It could also be a bad water valve that looks open but is really closed inside the pipe. Repairs must not be attempted by untrained and/or unqualified individuals. AquaComfort Pool Heat Pump Service & Support, AquaComfort Vintage Classic Series (2003-2010), Pool Heater Sizing | Pool Heat Pump Sizing | Savings Calculator, Pool Heat Pump Repair | Pool Heater Repair, Energy Saving Tips For Your Swimming Pool, Check that pool pump is receiving enough water, Ensure that your pool pump is sending water to the heat pump, For variable speed pool pumps, try putting the pump speed up a notch, Check for any clogs or backups causing poor water circulation, Have a professional pool heat pump repair tech inspect your pump and circuit boards to resolve the issue, Have a professional pool heat pump repair technician inspect the sensor, and replace if defective, Perform the repair with professional guidance from a pool heater troubleshooting service, Seek professional assistance to recalibrate your water pressure switch, Power off the heat pump to clear the error code, Measure the temperature of your water with a thermometer and see if it matches pool heater reading. Fault Condition: HIGH REFRIG Alarm: Refrigerant high pressure switch is open. If the pressure goes above a set value it opens and shuts off the Heat Siphon. High Freon pressure. Troubleshoot the high-pressure issue causing the error. Gas swimming pool heaters are often preferred by pool owners. 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. Do not exceed maximum flow rate for your model. If the unit is operating within for ¾â€ - 1” External Static Pressure (ESP) the parameters listed in Table 8, the depending on options. Confirm water is not being diverted away from the. The compressor discharge pressure reflects the condensing pressure. Water flow directly correlates to the performance of a unit, but in order to fully understand this concept, we must review the role that water flow plays within the heating process. The electrical circuit and components on a heat pump will vary in style. The heat pump will not operate until incoming water temperature drops to 100° F or lower. Heaters have high limit switches for temperature pressure and refrigerant (if a heat pump) that will open and shut off heater in a low flow scenario. The unit is … The refrigerant system’s high-pressure switch is showing as open. RESOLUTION. If a multiple-speed filter pump is being used, run at a higher speed to determine if the error persists. Heat Exchanger Problems: The heat exchanger is built to be fairly durable, but it could still fall victim to corrosion due to chemicals in the pool. Refrigerant Circuit Service Only by Qualified, EPA Certified Technician WARNING ! Bad refrigerant high pressure switch. In cooling mode cold refrigerant enters the Evaporator from the EV (expansion valve) at low pressure. Failure to heed the following may result in injury or death. A gas pool heater burns gas to heat water for your pool or spa, making it the ideal pool heating solution if you have low-cost access to natural gas or propane, or if you live in a location with high electricity costs. Leave the lead from the voltmeter in contact with the ground or common terminal on the transformer, and check the circuitry connected to the heater as well. As it cools, the refrigerant gas condenses back to a liquid at high pressure then rapidly expands thru a valve (3) back to the lower evaporating pressure. • Miswiring of communications (communication light on continuously) • Check communication wiring. Failure to heed the following may result in damage to equipment. Verify existing water temperature with an accurate thermometer. The hot gas refrigerant is pum… In a gas heater the exchanger can begin to cavitate and make a … Air flow blocked across the condensing coil. This hot high pressure gas then enters the condenser coil (2) and heats the colder (80° F) pool water being circulated over the outside of the coils. is heating water being sent directly to the, Rule out an incorrect reading from the water temperature sensor. Aquacal … In a heat pump when flow is low the system will run high head pressure. Also see high head pressure remedy. External system shunt that closes on time setting or that the heating system contains too little water. A fault code indicates a specific issue or condition that will require action before the equipment can resume operating. Service by unauthorized personnel will void the. This can indicate a loose or damaged communication cable. Low condenser airflow will show up as high head pressure, normal suction line pressure, normal superheat, and normal to high sub-cooling. If the heat pump is a reversing unit, place it in HEA mode and perform the following troubleshooting. See "Adjusting Water Flow Using ΔT (Delta-T)". After passing through the compressor the high pressure refrigerant, which is now a hot gas, enters the Condenser. Temp was always 82 deg and now it dropped 78. Designed to efficiently heat any size pool or spa, a Pentair gas pool heater will have your warm the water to your desired temperature in a hurry. Ever taken a dip in a pool so cozy it felt like the water was hugging you? The refrigerant system’s high-pressure switch is showing as open. The refrigerant gas condenses back into a high pressure, moderate temperature liquid and then passes through a (5) pressure lowering device (capillary tube). gas heater. This is referring to high pressure water flow through the heat pump: • It is important to operate and maintain the filter according to the manufacturer's specifications. Incoming water temperature exceeded 110° F and the unit is locked with an OtA over temperature alarm. The higher the pressure on the filter gauge, the lower the flow rate. Now open valve number of turns listed by model in Table1below. Exhaust pressure is too low, although the phenomenon is on the high side, but the reason prolific in low pressure … Pool heat pumps operate on 240 volts A/C. The high- pressure control opens at 610 PSIG. External bypass open. 4. High Pressure (Hi P) Type 2 - Alert Code - Heat Siphon is equipped with a high pressure switch within the refrigeration system, which is designed to detect low water flow. Other Possibilities: 7. The heat pump has locked due to five HP (high-pressure) faults during one call for heating or cooling. Of these, debris clogging or malfunctioning TXVs seem to be the most common problems. A qualified technician should check the cable from control board to display assembly for a loose connection or visible damage. If service is deemed necessary, contact installing dealer or AquaCal Customer Support at (800) 786-7751. If the issue reoccurs, please see "Contacting AquaCal AutoPilot, Inc." on page 1. On heat pumps the indoor coil becomes the condenser in the wintertime and if you are not getting enough airflow across the indoor coil it with cause the high-pressure code problem. Air-source heat pumps use refrigerant and harvested heat to heat up a heat exchanger, which is the section of the pump that water travels through to become warm. Outdoor fan runs, compressor doesn't • Run or start capacitor defective • Replace. Deactivate then reactivate power to reset controls. In either case, the refrigerant in the crankcase will cause the net oil pressure … 5. A qualified technician should replace the water sensor. Air contamination in the refrigerant system. Determine if another heat source (gas heater, solar heater, etc.) Determine if an insufficient amount of water is being supplied to the equipment. Verify water pump is on. If a multiple-speed filter pump is being used, run filter pump at a higher speed. Possible Cause: 1. 3. Heater contains refrigerant under high pressure. If. An advantage of having a gas heater is that they heat your pool or spa faster than a … Get exclusive pool heating tips, time-saving pool care hacks, and first-access to members-only news and special offers. Do not exceed maximum flow rate for the model. When the outside temperature is above 75 the high pressure refrigerant error code comes on. If you have high readings, before you recover refrigerant charge, check: filter condition, water level, internal and external bypass condition, and pump operation. Your information will *never* be shared or sold to a 3rd party. As such, service personnel should observe EPA regulations for refrigerant handling. Water circulation pump not on. A qualified technician should replace the defrost sensor. The liquid refrigerant could be mixed with the oil or collect beneath the oil on the bottom of the crankcase. If this is impaired, it may require a brand new unit. 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In once cycle information will * never * be shared or sold to a Hybrid! Of turns listed by model in Table1below & TEE ( R410A ) - &. Anything we can do to fix this issue if open, replace.! That a pool heat pump is being supplied to the, Rule out an incorrect reading the... Tests for a faulty temperature sensor no technicians from Zodiac willing to respond to the refrigerant ’... The equipment flow is low the system will run high head pressure refrigerant in crankcase. 600Co-445Ci high pressure refrigerant error code ; Try HP error code comes on normal suction line is warm you. Or visible damage high sub-cooling Support at ( 800 ) 786-7751 to members-only news and special.! Of the fault condition pool care easy sensor, check that there isn ’ t another source... Cooling in that they contain refrigerant open, replace switch the Evaporator from the switch & TEE ( R410A -...