Heat pump pressures 410a

Jun 26, 2011 · High Suction Pressure! I have a 3Ton Carrier Heat Pump unit using 410A that has extremely high suction pressure around 250PSI. I also have a low liquid line pressure around 300PSI and my sub-cooling is around 40-50 Degrees. I have checked for a stuck liquid line solenoid but this system does not have one, and I checked the reversing valve and ...

Heat pump pressures 410a. It is a clear, colorless, non-toxic and non-irritating liquid. R-410A is a 50:50 blend of R-32 and R-125. The boiling point at atmospheric pressure is -62.9°F. A few of the important principles that make the refrigeration cycle possible are: …

R-410A HFC 72.6-61 691.8 158.3 34.5 67.74 0.261 116.8 0.3948 0.1953 0 2088 A1 0.2 Refrigerant Reference Guide 43 5th Edition 2010 R-410A Technical Guidelines Applications: Air conditioning equipment and heat pumps. Only for newly manufactured equipment, not for retrofitting R-22 systems

Split-SyStem heat pump up to 14 SeeR / R-410a Cooling Capacity: 17,400 - 55,000 Btu/h heating Capacity: 15,200 - 59,000 Btu/h ... • High- and low-pressure switches • Service valves with sweat connections and easy access to gauge ports • Copper tube/enhanced aluminum fin coilThe heat pump/defrost control will attempt to start unit after the anti-short cycle time expires, when a high or low pressure control automatically resets, or ...system charge chart - refrigerant 410a pressure at suction service port (psig) connect pressure gauges to suction and liquid ports on unit. measure air temperature to outdoor coil. place an "x" on the appropriate chart where the suction and liquid pressures cross. if "x" is below ambient temperature line, add charge and repeat step 3.It is a clear, colorless, non-toxic and non-irritating liquid. R-410A is a 50:50 blend of R-32 and R-125. The boiling point at atmospheric pressure is -62.9°F. A few of the important principles that make the refrigeration cycle possible are: …Apr 10, 2023 · Remove the cap to the low pressure line (Usually the only port). Check the gauges and be sure the valves are turned off (clockwise). Connect the gauges center yellow hose to the R410a refrigerant tank. Connect the adapter to the blue low pressure line on the gauges. As quickly as possible, attach the blue hose with the adapter to the mini split ... Split-SyStem heat pump up to 14 SeeR / R-410a Cooling Capacity: 17,400 - 55,000 Btu/h heating Capacity: 15,200 - 59,000 Btu/h DZ13SA * Complete warranty details available from your local dealer or at www.daikincomfort. com. To receive the 6-Year Unit Replacement Limited Warranty and 12-Year Parts

If you have an electric or heat pump unit you can test the electric heaters by turning them on (emergency heat switch), and observing the increase in speed at the electric meter. Heat pump in the heating mode: feel the suction refrigerant line (the big one), the warmer the outdoor air temperature, the hotter the line should feel (above 32°F …pressures and refrigeration capacity than R-22. The compositions of Freon™ 407C and Freon™ 410A are as follows: HFC-32 HFC-125 HFC-134a Freon™ 407C (R-407C), wt% 23 25 52 Freon™ 410A (R-410A), wt% 50 50 — Because Freon™ 407C and Freon™ 410A are mixtures of HFCs, they have zero ODP. Table 1 lists the chemical names and formulae of theIn this HVAC Training Video, I show the Step By Step Procedure for Charging R-410A Refrigerant into an Air Conditioner that is Low on Refrigerant. I show the...Freon™ 410A is a non-ozone depleting high efficiency hydrofluorocarbon (HFC) refrigerant. Freon™ 410A has higher cooling capacity and operating pressures than R-22 for new equipment specifically designed for R-410A. ASHRAE # R-410A Applications – New applications only • Residential and commercial air conditioning (AC) • Heat pumps ...Sep 22, 2017 ... Normal R410A Pressures = 100 to 150 psig Suction, 200 to 400 psig Head. Higher than Normal Head Pressure --> Step 2. Check High Pressure Issues ...of the heat pump and may also endanger life and property. The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components, accessories, or devices. CAUTIONS: † R-410A systems operate at approximately 60% higher pressures (1.6 times) than R-22 systems. Do

Pumps are devices used to move liquids like water and fuel. Hydraulic pumps use liquid to convert mechanical energy into pressure and flow. Here’s a brief look at how hydraulic pum... Freon™ 410A is a non-ozone depleting high efficiency hydrofluorocarbon (HFC) refrigerant. Freon™ 410A has higher cooling capacity and operating pressures than R-22 for new equipment specifically designed for R-410A. ASHRAE # R-410A Applications – New applications only • Residential and commercial air conditioning (AC) • Heat pumps ... Outdoor units. R-410A air conditioner pdf manual download. Also for: Rxs-g2v1b. Sign ... (nominal) Sound Pressure (Low) Sound Pressure (High) Heating Sound Pressure (Low) Sound Pressure (High) Refrigerant ... 1 Wiring diagram RXS20-35G WIRING DIAGRAM Field wiring Indoor Outdoor In case of heat pump In case of type cooling only (Outdoor ...Jun 24, 2020 · In this article, we will discuss an HVAC unit’s refrigerant pressure on both the high side and the low-pressure side while the system runs. It is important to know the range of these pressures in order to understand why and how charging and recovery are performed. PRL-JEC Series two-stage heat pump outdoor units. R-410A heat pump pdf manual download. Also for: Prl-jec series, 024jec, 036jec, 048jec, 060jec. Sign In Upload. ... Addition of R-410A will raise pressures (vapor, liquid and discharge). If adding R-410A raises both vapor pressure and temperature, the unit is over- charged.

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About Ferguson HVAC. Ferguson HVAC is a national distributor of residential and commercial heating and cooling equipment, parts and supplies. HVAC contractors across the country rely on us for the best unitary and ductless equipment brands and for a wide-range of HVAC products including accessories, controls, air distribution supplies, and …This rule is totally a fluke and has no scientific basis other than it just generally tends to work out that way. On a properly functioning R-22 system running in heat mode in 40-degree weather, the suction pressure tends to be around 40 PSIG. This guideline obviously doesn't work on an R-410A system or any other refrigerant.The tech and his apprentice did the usual things like pressure washing out door condensor etc. They hooked up the gauges and to check pressures. They felt it needed a smidgen of 410A. After that I didn't run the system for week and a half until the weather turned much warmer and much more humid. The heat pump went into cooling mode when I fired ...Since R410A refrigerant is charged under higher pressure, charging an R22 system with it will increase the force within the coolant lines. The pressure can become high enough for parts of the system to rupture. At the very least, leaks will occur. Mixing refrigerants is not an option either. This will contaminate the system, and the R22 will ...What are the normal operating pressures for 410a high and low side in a 2 ton heat pump? 125 PSI for low and 365 PSI for high, the high can vary as the outdoor temperature does, basically on an 85 degree day you should see about 365. It can get up to 400 PSI on a 95 degree day.And 500 PSI on a 110 degree day.

The residential water well owner should set the pressure in a bladder tank at 2 pounds per square inch lower than the cut-on pressure for the well pump. A tire pressure gauge place...R-410A. R-410A, sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A, is a zeotropic but near- azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125) that is used as a refrigerant in air conditioning and heat pump applications.Apr 10, 2023 · Remove the cap to the low pressure line (Usually the only port). Check the gauges and be sure the valves are turned off (clockwise). Connect the gauges center yellow hose to the R410a refrigerant tank. Connect the adapter to the blue low pressure line on the gauges. As quickly as possible, attach the blue hose with the adapter to the mini split ... A standard gas- or oil-fired boiler may deliver 180°F water for hydronic heating, and return water in the heating loop at a temperature of 150°F after delivering its heat through baseboard radiators. So the boiler has to “lift” the water from 150°F to 180°F. That isn’t enough lift for a CO2-based heat pump.Our Ebook, Paperback, Workbook, Quick Cards: https://www.acservicetech.com/the-book This video is on Normal Operating Pressures are for Freon R-22 and R-410A...Step 19. Close the manifold and R-410 jug's valve handles. Disconnect the hoses and reinstall the caps on the service valve's ports. Advertisement. An azeotrope refrigerant blends multiple refrigerant compounds to form a single refrigerant. Most refrigerant blends boil at different rates and require complete evacuation before adding a full charge.Daikin R-410A Service Manual. Vrv ii-sr-410a heat pump 50hz. Also See for R-410A: Service manual (381 pages) , Installation manual (177 pages) , Technical manual (44 pages) 1.R-410A equipment. Gauge sets, hoses, refrigerant containers, and recovery system must be designed to handle the POE type oils, and the higher pressures of R-410A. Manifold sets should be high side and low side with low side retard. All hoses must have a 700 psig service pressure rating.4 R-410A Outdoor Split-System Single-Phase Heat Pump Installation Manual - YH2E / THE2 / RHP143 Series Johnson Controls Ducted Systems. General. The outdoor units are designed to be connected to a matching indoor coil with sweat connect lines. Sweat connect units are factory-charged with refrigerant for a nominally sized matching indoor coil ...Apr 19, 2023 ... Heat pumps are a popular choice for home heating and cooling due to their energy efficiency and versatility. However, like any other heating ...Because R-410A can absorb and release more heat than R-22, your air conditioning compressor can run cooler, reducing the risk of compressor burnout due to overheating. R-410A also functions at a higher pressure than R-22, so new compressors are built to withstand greater stresses, reducing the chance for cracking.

When the heat pump is running it blows semi-warm air like it is operating correctly but when I put my gauges on the system the high side pressure was 425 and low side was 395-400. Show More. ... will a standard heat pump replacement TXV valve (Danfoss TR6 410A) ... what should the high and low side pressures ge ...

View and Download Daikin R-410A service manual online. Sky-Air Indoor. R-410A air ... Inverter Outdoor unit Cooling Only Heat Pump Indoor unit FCQ35B7V1 FCQ50B7V1 FCQ60B7V1 FFQ25B ... Air-Conditioner’s (Measured from 15 ~ 20 minutes or more after operation starts.) Operation Status and Pressure / Running Current When Cooling Air ...The Goodman® GSZ13 heat pump uses the environmentally friendly refrigerant R-410A and features operating sound levels that are among the best in the heating and air conditioning industry. R-410A is chlorine-free to help prevent damage to the ozone layer. With its 13 SEER rating, the GSZ13 will help reduce energy consumption throughout the …IMPORTANT: Do not operate the compressor without charge in system. Addition of R-410A will raise pressures (vapor, liquid and discharge). If adding R-410A raises both vapor pressure and temperature, the unit is over- charged. IMPORTANT: Use industry-approved charging methods to ensure proper system charge. Page 39: Accessories What are the normal operating pressures for 410a high and low side in a 2 ton heat pump? 125 PSI for low and 365 PSI for high, the high can vary as the outdoor temperature does, basically on an 85 degree day you should see about 365. It can get up to 400 PSI on a 95 degree day.And 500 PSI on a 110 degree day. Carrier supplies many heat pump condensing units with a pressure guideline chart. Carrier only wants the heat mode pressure chart used ... be close to the outdoor temperature in a R-22 system. However, this rule of thumb (obviously) does not work on an R-410A system. A more applicable guideline is 20˚-25˚ suction saturation below ...Global heat pump sales grew by 15% in 2021. Europe has seen some of the quickest growth, with 35% sales growth in 2021, a trend that’s likely to continue because of the energy crisis. North ...pressure, the evaporating pressure and the spring pressure. When the expansion valve regulates, balance is created between bulb pressure on one side of the diaphragm and evaporating pressure plus spring force on the other side. The spring is used to set superheat. Features · Heat pump systems · Air conditioning units · Liquid coolersJul 5, 2019 · Digital Fieldpiece Gauges: https://amzn.to/2LFjNnKR410A Equipment: https://amzn.to/2xv6AG5My Favorite Tool: https://amzn.to/3NIFJuOTools We Recommend: https:...

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Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380.In this video we go through the basics of checking a heat pump charge in heating. It can be tricky but its pretty simple if you do this..Title music:Music: B...= Heat capacity at constant pressure in kJ/(kg)(°C) C v = Heat capacity at constant volume in kJ/(kg)(°C) v s = Velocity of sound in m/sec The gas constant, R = 8.314 J/(mole) (K) for Freon™ 410A, R = 0.11455 kJ/kg·K One atmosphere = 101.325 kPa Reference point for enthalpy and entropy: h f = 200 kJ/kg at 0 °C s f = 1 kJ/kg·K at 0 °C ...Aug 14, 2021 ... Multi-Zone Inverter Hyper Heat pump and all 5 Indoor Units: ... Charging R-410A Refrigerant into an Air Conditioner! ... What Should my AC Pressures ...Heat Pump Pressure Switches. Updated: Apr 23, 2020. ... In one example of an R410A heat pump with a fan cycling switch installed, when the discharge pressure rises to 425psi, the fan will shut off and when the pressure …In addition, other reasons why you should switch from R410A or buy an R32 heat pump on your first purchase are. R32 has a GWP of 675, which is about 70% lower than R410A, which has a GWP of 2088. Due to their single component nature, R32 heat pumps use 20% less refrigerant compared to R410 heat pumps. As a result, they have …Sep 22, 2017 ... Normal R410A Pressures = 100 to 150 psig Suction, 200 to 400 psig Head. Higher than Normal Head Pressure --> Step 2. Check High Pressure Issues ...A tech could do a poor job of installing the R22 condenser and the unit would last for 10 years or more. With r410a units, the installers must have there process dialed in tight. No more sweep charging or fast flush. Each system must be vacuumed down to 350 – 700 microns. The two most common causes of low head pressure at an air conditioner or heat pump compressor motor are: Refrigerant under-charge, due to a refrigerant leak or improper charge. TXV (TEV) malfunction, over-metering refrigerant. This condition is not likely to occur on smaller air conditioners or heat pumps that use a capillary tube to meter ... The Goodman® GSZ13 heat pump uses the environmentally friendly refrigerant R-410A and features operating sound levels that are among the best in the heating and air conditioning industry. R-410A is chlorine-free to help prevent damage to the ozone layer. With its 13 SEER rating, the GSZ13 will help reduce energy consumption throughout the … ….

Nov 11, 2016 · 4. Post Likes. Very high suctuion and head pressure on heating mode. Hello, I have a Rheem (2015) heat pump 2ton 410A, on cooling mode the system runs great; suction and liquid pressure are ok 185/360, super heat 10 F, with 90F outdoor temperature, now the winter is coming and the system on heating mode the gages read high pressure on both ... If you’re considering upgrading your home’s heating and cooling system, you may have come across the term “heat pump.” A heat pump is a highly efficient and versatile system that c...R410A Pressure Temperature Chart R410A Temperature (°C) Pressure (barA) Pressure (barg) Pressure (psig) Pressure (barA) Pressure (barg) Pressure (psig)Saturation Pressure-Temperature Data for R-410A (psig)*. Temp. Temp. Temp. Temp. Temp. Temp. Temp. Temp. ( F) Liquid Vapor ( C) ( F) Liquid Vapor ( C) ( F) Liquid Vapor ( C) ( F) Liquid Vapor ( C) -49 5.5 5.4 -45.0 1 49.7 49.5 -17.2 51 145.8 145.2 10.6 101 323.1 322.1 38.3 -48 6.0 5.9 -44.4 2 51.1 50.8 -16.7 52 148.4 147.9 11.1 102 327.7 326.7 ...R410a min. head pressure. before i ask let me say i am certified in R410a and i work with it almost everyday so please keep that in mind. i was always taught that if it was below 65 oat you have to keep a min. head pressure. what is a min head pressure for 410a? Reply. 02-15-2009, 05:31 PM #2.psig °f psig °f psig °f psig °f psig °f 12; –37.7. 114Properties of R410A Refrigerant. The R410A is a type of hydrofluorocarbon (HFC) refrigerant commonly used in AC systems, heat pumps, and commercial HVAC equipment. It was developed as an environmentally friendly alternative to older freon refrigerants like R-22. It has several benefits over traditional freon refrigerants, including a lower risk ... Heat pump pressures 410a, Lennox Learning Solutions teaches you what causes high head pressure on a heat pump in the heating mode.There is several factors that can cause hight pressur..., Water Source Heat Pump Axiom™ High Efficiency Vertical Stack — GET 0.75 to 3 Tons — 60 Hz Installation, Operation, and Maintenance March 2020 WSHP-SVX10G-EN SAFETY WARNING Only qualified personnel should install and service the eq uipment. The installation, starting up, and servicing of, Saturation Pressure-Temperature Data for R-410A (psig)*. Temp. Temp. Temp. Temp. Temp. Temp. Temp. Temp. ( F) Liquid Vapor ( C) ( F) Liquid Vapor ( C) ( F) Liquid Vapor ( C) ( F) Liquid Vapor ( C) -49 5.5 5.4 -45.0 1 49.7 49.5 -17.2 51 145.8 145.2 10.6 101 323.1 322.1 38.3 -48 6.0 5.9 -44.4 2 51.1 50.8 -16.7 52 148.4 147.9 11.1 102 327.7 326.7 ..., R-410A systems operate at higher pressures than standard R-22 systems. Do not use R-22 service equipment or components on R-410A equipment. Ensure service equipment is rated for R-410A.! WARNING Refrigeration systems contain refrigerant under pressure. Extreme caution should be observed when handling refrigerants. Wear safety glasses and gloves ..., Hi All, I just had a new Goodman 16 seer R410A heat pump system installed (SSZ160241AE outdoor unit, AEPF313716AA air handler). It seemed to work fine when the installer left but almost immediately, the outdoor unit started to run intermittently when in heat mode. I'm mechanically inclined and poked around a bit, enough to determine that …, Outdoor units. R-410A air conditioner pdf manual download. Also for: Rxs-g2v1b. Sign ... (nominal) Sound Pressure (Low) Sound Pressure (High) Heating Sound Pressure (Low) Sound Pressure (High) Refrigerant ... 1 Wiring diagram RXS20-35G WIRING DIAGRAM Field wiring Indoor Outdoor In case of heat pump In case of type cooling only (Outdoor ..., Last updated: 27 Jun, 2017. Heat Pump: Heating. Re: High Discharge Pressure / High Head Pressure. As the system runs in the heating mode, the discharge pressure exceeds the normal operating pressure. R22 System. Normal Head Pressure = 175 - 250 psig. High Head Pressure = Above 275 psig. R410A System. Normal Head Pressure = 225 - 350 …, The typical 410a pressures on a 95 degree day are as follows; Liquid pressure: 296.4 psi. Vapor pressure: 295.5 psi. See all other pressures for R410 on different temperatures of the day from -49°F to 150°F below., The typical 410a pressures on a 95 degree day are as follows; Liquid pressure: 296.4 psi. Vapor pressure: 295.5 psi. See all other pressures for R410 on different temperatures of the day from -49°F to 150°F below., operating pressures due to varying ambients, or widely varying evaporator loads • Bi-Directional control capacity • External equalizer • ZAA charge for R-410A systems TFE Series R-410A Specifications • Maximum working pressure: 630 psig The TFE R-410A series is designed for large tonnage heat pump, air, R-410A. R-410A, sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A, is a zeotropic but near- azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125) that is used as a refrigerant in air conditioning and heat pump applications., R-410A HFC 72.6-61 691.8 158.3 34.5 67.74 0.261 116.8 0.3948 0.1953 0 2088 A1 0.2 Refrigerant Reference Guide 43 5th Edition 2010 R-410A Technical Guidelines Applications: Air conditioning equipment and heat pumps. Only for newly manufactured equipment, not for retrofitting R-22 systems, heat exchangers provide unparalleled efficiency. The coaxes are designed for low pressure drop and low flow rates. All coaxes are pressure rated to 450 psi water side and 600 psi on the refrigerant side. Optional ThermaShield coated water-to-refrigerant coaxial heat exchanger is available to prevent condensation in low temperature loop operation., Nov 2, 2003 · Recovery Of 410A Standard recovery procedures for R-410A remain unchanged. The only difference is the necessity to use a recovery machine and cylinders approved for the higher pressures of R-410A. Charging Since R-410A has a slight (0.3 degree) fractionation, it, like all other 400 series refrigerants, must be charged in the liquid state. , A two-stage heat pump has a compressor which is capable of operating at a high and low speed, improving its ability to maintain the temperature in a home with greater precision. Th..., A heat pump is a device that uses work to transfer heat from a cool space to a warm space by transferring thermal energy using a refrigeration cycle, cooling the cool space and warming the warm space. [1] In cold weather, a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house ..., Heat Pump System. The Rheem Endeavor RP16AZ operates with the easy-to-use EcoNet Smart Thermostat, which optimizes system performance and provides a new level of protection and precision comfortwith features. RP16AZ - Cooling Efficiency: 17.0 SEER2/10.4 EER2 - Heating Efficiency: 8.1 HSPF2. Features., Figure 1. Saturation pressures of R-410A, -22, and -134a for a range of temperatures in a/c applications. OPERATING PRESSURE POINTS. “Systems using R-410A operate at higher pressures [than R-22],” points out the Field Diagnostics team., Subaru engines have a radiator and water channel design that uses pumped and pressurized coolant to stabilize its internal temperature. Unlike most internal combustion engines, ins..., R-410A's higher operating pressures (60-70 percent higher than R-22) mean that contractors and techs are now using gauges designed for 410A. Refrigerant recovery equipment also must be designed for this refrigerant's pressures. R-410A will also produce refrigerant burns more quickly than R-22. Protective equipment is a vital part of safe work ..., This is where our friend R-410A came into play. New machines from 2010 and onwards were banned from using R-22. Instead, they were outfitted with R-410A. If you would like to read more about R-410A refrigerant please have a look at our Puron fact sheet. R-410A PT Chart. Let’s take a look at our pressure table for R-410A Puron., Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380., The main component of the experimental set-up is an air-to-water to water heat pump, which can work under the heating or cooling modes of operation. The refrigerant used is R410A. Figure 1 shows a schematic representation of the heat pump in the cooling mode of operation. The heat pump has a variable-speed scroll type compressor with vapor ..., Dec 3, 2018 · Adding Freon to heat pump during the heat mode, Carrier Unit, winter season maintenance, 2018 HVAC TECHNICIAN , In other words, R290 has been designated for Monobloc heat pump only. Thus, R32 is an alternative refrigerant for cooling application. Flammability of R32 is 80% burning velocity less than R290 and slightly flammable when compared with R410A. Although, R32 discharge gas temperature is around 20°C higher than R410A and this can damage ..., View and Download Daikin R-410A technical data manual online. Outdoor units. R-410A air conditioner pdf manual download. Also for: Rxs-g2v1b., What Should my AC Pressures Be for R410A Refrigerant - YouTube. Benjamin Sahlstrom. 426K subscribers. Subscribed. 6K. 397K views 4 years ago. Digital …, View and Download Rheem R-410A installation instructions manual online. PRL-JEC Series two-stage heat pump outdoor units. R-410A heat pump pdf manual download. Also for: Prl-jec series, 024jec, 036jec, 048jec, 060jec. , Since R410A refrigerant is charged under higher pressure, charging an R22 system with it will increase the force within the coolant lines. The pressure can become high enough for parts of the system to rupture. At the very least, leaks will occur. Mixing refrigerants is not an option either. This will contaminate the system, and the R22 will ..., R410A Pressure-Temperature Chart Liquid. Vapor: Liquid: Vapor Liquid: Vapor Liquid: Vapor-49; 5.5; 5.4-45 1: 49.7 49.5-17.2 51: 145.8 145.2: 10.6 101: 323.1 322.1: 38.3-48; 6 …, • Protected compressor - Compressors are protected internally by a high pressure relief valve and a temperature sensor, and externally by the system high and low pressure …, Heat pumps are an energy-efficient way to heat and cool your home. They use electricity to move heat from one place to another, rather than generating their own heat like tradition..., of the heat pump and may also endanger life and property. The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized components, accessories, or devices. CAUTIONS: • R-410A systems operate at approximately 60% higher pressures (1.6 times) than R-22 systems. Do not use