Low-side (evaporator) pressure - 3.94 inches Hg (minus 20°F) High-side (condensing) pressure - 86.4 psig (80°F) Calculated Values: Condenser split - 10°F; Condenser subcooling - 2°F; Evaporator superheat - 30°F; Compressor superheat - 70°F; Since the evaporator is starved of refrigerant from the undercharge, there will be high …evaporator pressure. The biggest difference between low airflow and low charge is the level of superheat and subcooling. In a poor refrigerant charge scenario, the load is still there, but there is not enough refrigerant to absorb the heat. If signs point to the refrigerant charge being low, charge the system while following proper field procedures or original …The most common liquid line restrictions are clogged filter-driers, metering device inlet screens, a kinked liquid line, or a TXV with an empty bulb. These very rarely cause high head for more than a short period of time. The most common causes of high head pressure include high load, overcharge, and poor heat rejection (such as from …An HVAC technician taking a static pressure measurement. STEP 2: Drill test ports using a 3/8′ drill bit with a metal piercing tip. A bullet-tip drill makes a clean round port. So make sure to use your drill bit sheath (described above) to help prevent you from drilling into the coil.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.Head pressure in HVAC refers to the pressure exerted by the refrigerant within the condenser unit. It is a critical factor in the functionality and efficiency of an HVAC system. Understanding head pressure is essential for maintaining a well-functioning HVAC unit. Excessive or insufficient head pressure can lead to a variety of issues ...Understanding Head Pressure in HVAC Systems Force Exertion. Head pressure in an HVAC system is the force that refrigerant exerts within the compressor. It’s a key player in moving refrigerant through the system, including head pressure controls. Think of it as pushing a fluid through a pipe at home; more pressure control means faster movement.Troubleshooting Refrigerant Charge to Determine a Bad TXV. If your suction pressure is staying the same while adding refrigerant, and your head pressure is shooting up while the suction pressure is staying the same, your TXV valve is probably bad. If you do your homework and suspect that the TXV bulb lost charge, it’s probably a better idea ...The water pressure of household plumbing fixtures will generally vary between 20 pounds per square inch (PSI) and 125 PSI. The pressure of a plumbing fixture will depend on the typ...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 …HVAC Static Pressure - Main Duct Must Reduce in Size. HVAC static pressure is maintained in your home by making the main supply duct get smaller the farther away it is from the furnace. Tim Carter. HVAC static pressure needs to be maintained equally in all ducts for you to be comfortable in your home.Head pressure is the pressure generated by the gas compressor of your air conditioning system. It can be high or low depending on various factors, such as dirty coils, bad fan motor, or refrigerant issues. Learn how to tell if you have high head pressure and what to do about it from the HVAC company in St Paul, MN.What is head pressure HVAC? Head pressure (also called discharge or high side pressure) is the pressure generated from the compressor in an air conditioner or heat pump. Head pressure gauges are red in color to signify the high side. Pressures of over 400 PSIG or more can be measured in the head pressure.So, the head pressure increases, and the condenser becomes less efficient. As a result, the main symptoms of refrigerant overcharge are high head pressure and high subcooling. (However, a clogged condenser coil may also result in high head pressure and high subcooling. A visual inspection will often allow you to distinguish dirty condensers …What Is Head Pressure In HVAC? Head pressure is the pressure that is created by the gas compressor within the air conditioning unit. This is something that is typically measured when there is believed to be a refrigerant issue. Head pressure that is within a reasonable range is no cause for concern. High head pressure creates problems for the ...Head pressure, also referred to as discharge pressure, is a vital component of the refrigeration cycle in an HVAC system. It is the pressure exerted by the refrigerant in the condenser as it transforms from a high-pressure gas to a high-pressure liquid, following compression in the compressor. Pressure vs. Head (6) can be transformed to: Δ h = (p 2 - p 1) / γ (7) Δ h express head - the height difference of a column of fluid of specific weight - γ - required to give a pressure difference Δp = p 2 - p 1. Example - Pressure vs. Head. A pressure difference of 5 psi (lb f /in 2) is equivalent to head in water The SC might be normal , but the normal head for a r410 system w/ a 68* ambient should be closer to 300psi and the normal suction press should be closer to 110psi w/70* IDB. Those p/t's sound more like r22. kdean1, buttwheat liked this post. As others have said it sounds like a TXV and maybe low on juice.Contents [ hide] 0.1 Basics of Head Pressure. 0.2 Causes of Changes in Head Pressure. 0.3 Significance of Monitoring Head Pressure. 0.4 Symptoms of Abnormal Head Pressure. 0.5 Impact of High Head Pressure. 0.6 Impact of Low Head Pressure. 0.7 Solutions to Regulate Head Pressure. 0.8 The Role of Thermostatic Expansion Valves (TEVs)The "Head Height" of a pump is the maximum height it can pump water to. So if a pump has a 100ft head, then it can pump water to the top of a vertical pipe that's 100ft above the pump outlet. Now water pressure due to gravity is around 0.43psi per foot. So the head pressure of a pump with 100ft of head would be 43psi. Troubleshooting Refrigerant Charge to Determine a Bad TXV. If your suction pressure is staying the same while adding refrigerant, and your head pressure is shooting up while the suction pressure is staying the same, your TXV valve is probably bad. If you do your homework and suspect that the TXV bulb lost charge, it’s probably a better idea ... When it comes to purchasing an HVAC system, one of the most well-known brands is Lennox. However, you may have noticed that prices for Lennox systems can vary greatly depending on ...The SC might be normal , but the normal head for a r410 system w/ a 68* ambient should be closer to 300psi and the normal suction press should be closer to 110psi w/70* IDB. Those p/t's sound more like r22. kdean1, buttwheat liked this post. As others have said it sounds like a TXV and maybe low on juice.High suction pressure normal head pressure: When the refrigerant is flowing in the suction line from the compressor to evaporator coil without any leakage or damaging the compressor’s piston and also there no impurities are present then the pressure range will be inside the system is 0.75 – 1.3 MP ,this called the High suction …As energy costs continue to rise, many homeowners are looking for ways to reduce their energy bills. One of the most effective ways to do this is by taking advantage of government ... HVAC, standing for Heating, Ventilation, and Air Conditioning, is an integral system in ensuring comfort in various settings. Among its complexities is the concept of head pressure, a pivotal aspect that influences system performance. Now on startup, my head pressure at 87 degrees outside was at 225 or so. Suction was around 81 with the indoor temp at 78. After the rainstorm, 77 outdoor, I was at 75/175 with with maybe 74 or 75 indoor temp. Getting tons of condensation and 20* temp drop. Everything seemed good to me except that i thought the head was a little low.Helps prevent evaporator freeze-ups, liquid-slugged compressors, low pressure cutouts and overshoots seen with on/off & pressure switch controls. Mode of Operation ICM Head Pressure Controls operate as temperature-sensitive motor fan speed controls. Head pressure is regulated during low ambient conditions by varying the amount of airflow throughHPCV/ head pressure control valve / head master, help the air conditioning unit maintain normal operating pressures during colder outdoor temperatures below ...Head pressure is the pressure generated by the gas compressor of your air conditioning system. It can be high or low depending on various factors, such as dirty coils, bad fan motor, or refrigerant issues. Learn how to tell if you have high head pressure and what to do about it from the HVAC company in St Paul, MN.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.Troubleshooting Refrigerant Charge to Determine a Bad TXV. If your suction pressure is staying the same while adding refrigerant, and your head pressure is shooting up while the suction pressure is staying the same, your TXV valve is probably bad. If you do your homework and suspect that the TXV bulb lost charge, it’s probably a better idea ...During air conditioning mode, the pressure on the vapor line of an R-410A system will be somewhere between 102 to 145 PSIG. If the system had R-22, the vapor pressure would be between 58 to 85 PSIG but these pressures will be dependent on the wet bulb temperature inside the building and the ambient temperature outside the …Feb 19, 2022 ... Pressure-balanced, modulating valve provides precise control of head pressure on open or closed refrigeration systems. The water regulating ...Whether looking to help relieve pain or inflict it, pressures points exist throughout the human body, from the temples to the ankles and feet. For headaches, move your fingers in c...Mar 25, 2024 · Head pressure is normally the pressure that a compressor makes in air conditioning, refrigeration, and heating systems. Head pressure in a normal range is not an issue, but a high head pressure is always an issue for your system. The compressor in an HVAC system has a very crucial role. It circulates the refrigerants throughout the system such ... May 25, 2017 ... In this HVAC Video, I go over how to Calculate a Refrigerant Charge on an Air Conditioning Condenser by Measuring Temperature and Pressure ...Originally Posted by CircusEnvy. If the heat recovery unit is installed on the return side of the air handler, pushing hot air against the indoor coil will most certainly cause the head pressure to skyrocket in heat mode. If the heat recovery unit is on the supply side, then this isn't an issue whatsoever.Jun 30, 2023 ... In this video I visit a tenant house I've been to before because it wasn't keeping up! #hvacguy #hvaclife #hvac #hvactrainingvideos ... Troubleshooting Refrigerant Charge to Determine a Bad TXV. If your suction pressure is staying the same while adding refrigerant, and your head pressure is shooting up while the suction pressure is staying the same, your TXV valve is probably bad. If you do your homework and suspect that the TXV bulb lost charge, it’s probably a better idea ... Condenser fan speed controls regulate refrigeration system pressures by adjusting the fan speed to help prevent low-pressure cutoffs, evaporator freezes, and bogging the compressor with liquid at lower ambient temperatures. They come in either mechanical or electronic versions, depending on the system and the type of monitoring needed.condenser head pressure what should it be ??During air conditioning mode, the pressure on the vapor line of an R-410A system will be somewhere between 102 to 145 PSIG. If the system had R-22, the vapor pressure would be between 58 to 85 PSIG but these pressures will be dependent on the wet bulb temperature inside the building and the ambient temperature outside the …Check the Condenser Fan. The condenser fan generates airflow through the condenser coil. If the condenser fan doesn’t spin, then the condenser coil won’t reject heat properly and your AC high pressure switch will trip. Check the condenser fan to make sure that it spins when the condensing unit kicks on.1.Recover refrigerant. 2.Cut the process tube on the valve’s charged dome to remove the pressure charge. 3.Using a torch, heat the valve until the solder solidifies and remove the valve. 4.Wrap the valve’s body with a heat sink to prevent damage; silver solder a new valve in place. 5.Install a new filter-drier.An HVAC plenum is a thin box with five sides made of galvanized sheet metal. It connects to the outlet of a furnace or air handler and is a key component of any HVAC system. Troubleshooting Refrigerant Charge to Determine a Bad TXV. If your suction pressure is staying the same while adding refrigerant, and your head pressure is shooting up while the suction pressure is staying the same, your TXV valve is probably bad. If you do your homework and suspect that the TXV bulb lost charge, it’s probably a better idea ... Apr 2005. Posts. 517. Post Likes. Two things that can cause high head pressure on water cooled condensers are... A. Low flow, water flow related problems. This can be checked by taking entering water and leaving water temperatures of the condenser and compare to design conditions. typical is a 10* delta temperature.Jan 27, 2024 · Head pressure in HVAC refers to the pressure exerted by the refrigerant within the condenser unit. It is a critical factor in the functionality and efficiency of an HVAC system. Understanding head pressure is essential for maintaining a well-functioning HVAC unit. Typical Low Side Pressure Range for R410A in the field: 115-120 psi. Typical High Side Pressure Range for R410A in the field: 410-420 psi. By 2025, high Global Warming Potential (GWP) refrigerants with a GWP of over 750, will be banned together with the systems using that gas. R410A has a GWP > 2,000.During air conditioning mode, the pressure on the vapor line of an R-410A system will be somewhere between 102 to 145 PSIG. If the system had R-22, the vapor pressure would be between 58 to 85 PSIG but these pressures will be dependent on the wet bulb temperature inside the building and the ambient temperature outside the building.evaporator pressure. The biggest difference between low airflow and low charge is the level of superheat and subcooling. In a poor refrigerant charge scenario, the load is still there, but there is not enough refrigerant to absorb the heat. If signs point to the refrigerant charge being low, charge the system while following proper field procedures or original …1. Refrigerant Leakage. One of the leading causes of low suction pressure is refrigerant leakage. When refrigerant leaks occur, the system’s refrigerant charge decreases, resulting in reduced pressure levels. Leaks can occur at various points, including connections, joints, valves, or even within the coils themselves. 2.So the refrigerant volume is less and when the unit is heating and needs less refrigerant, a smaller indoor coil can cause a high head pressure especially if mild out. We use a lot of ADP coils but never on heat pumps. Always use the factory specified coil for this reason. But that's high pressure trips.Head pressure is generated by your gas compressor and can be too high or too low depending on the weather, condensing temperature range, and other factors. Learn how to detect, prevent, and repair high head pressure in your HVAC unit with tips from Home Inspection Geeks.Apr 2005. Posts. 517. Post Likes. Two things that can cause high head pressure on water cooled condensers are... A. Low flow, water flow related problems. This can be checked by taking entering water and leaving water temperatures of the condenser and compare to design conditions. typical is a 10* delta temperature.Jan 5, 2001 · The Cost of High Head Pressure. January 5, 2001. Table 1. Based on recopricating compressor operating at 30 psig suction, °0 superheat, °10 subcooling, 92% motor efficiency, year-round operation. Figure 1. The effect of rising head pressure. Understanding Head Pressure in HVAC Systems Force Exertion. Head pressure in an HVAC system is the force that refrigerant exerts within the compressor. It’s a key player in moving refrigerant through the system, including head pressure controls. Think of it as pushing a fluid through a pipe at home; more pressure control means faster movement.Undercharged. Can lead to low head pressure. Overcharged. Can lead to high head pressure. Understanding Overcharged Systems When too much refrigerant is crammed into your AC system, a few detrimental things happen: Excess Liquid: Overcharged systems usually have an excess of liquid refrigerant flowing into the compressor.Sep 21, 2023 ... Head Pressure Controls - Part 4 #hvacrshorts #hvactraining #refrigeration #hvacrtechnician #hvac. 30. Dislike. The static pressure in most HVAC systems is a result of the height of the building plus a cushion at the top of the building. In general the cushion is around 5 - 10 psi (lb/in 2) or 10 - 20 ft (3 - 6 m) water column. Static Pressure as Head (ft, m) The static pressure can be expressed as head: Sep 10, 2023 ... Welcome to WW HVAC -Support the channel https://cash.app/$WWHVACTAG Exclusive Offers Tailored for You! Transform Your Business with ...April 10, 2023. On any type of refrigeration system, from small reach-in coolers all the way to large chillers, controlling the head pressure of the refrigerant is important. That’s because it helps keep the system operating properly in low ambient conditions — typically below 65°F for air conditioning and 55° for refrigeration systems.What are A/C system design conditions while running? 95°F outside, 75°F inside, humidity 50%. T or F - The inside relative humidity adds a significant load to the evaporator coil and must be considered part of the load. True. If the outside temperature increases, what happens to the head pressure and system capacity?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. The fan speed controller keeps the condensing pressure at a steady level by regulating the speed of the fan motors. When pressure is declining, the controller decreases the output voltage, changing the speed of fan motor. The proportional band is a non-adjustable pressure difference between max. and min. pressure where the regulation occurs ... Head pressure 190 Suction Pressure 90 Suction line temp 54 inside temp 75 wetbulb 69 So ive been thru this problem b4 with the low head high suction so i assume piston or a-coil . I open up the duct and the other hvac guy has put in a 3ton acoil . I told the neighbor that he should replace the acoil with a 2 1/2 ton .Feb 6, 2013 · If you are wanting to maintain 180 psig. head pressure the controls would be set as follows: Cut-in Cut-out. Fans 1-2 180 psig. 160 psig. Fans 2-4 200 psig 190 psig. As you can see, this causes fluctuation of the head pressure and can result in expansion valve hunting and poor superheat control. The pressure that’s generated by the gas compressor of your air conditioning unit is known as head pressure. The head pressure is something to measure whenever you suspect a refrigerant issue. While reasonable head pressure is nothing to worry about, it’s high head pressure that’s an issue.Sep 18, 2020 · The main reasons your compressor will have simultaneously low head pressure and high suction pressure is due to: Bad or leaky compressor valves. Worn compressor piston rings. Leaky oil separator return line. Your compressor valves may become inefficient due to poor sealing from dirt and debris deposits. Jun 30, 2023 ... In this video I visit a tenant house I've been to before because it wasn't keeping up! #hvacguy #hvaclife #hvac #hvactrainingvideos ...The SC might be normal , but the normal head for a r410 system w/ a 68* ambient should be closer to 300psi and the normal suction press should be closer to 110psi w/70* IDB. Those p/t's sound more like r22. kdean1, buttwheat liked this post. As others have said it sounds like a TXV and maybe low on juice.Step 2: Connect The Lines. Then, connect the two lines of the pressure gauge to the air conditioner’s outdoor unit as shown in this video. Connect the blue line of the gauge to the thicker pipe or the suction pipe. And then, connect the red one to the thinner pipe or the liquid pipe.Mar 10, 2014 · This video explains what determines head pressure in refrigeration systems. Its explained by a Dunwoody College of Technology staff member Tom Kleinman. Jun 6, 2020 ... In this video, I show how a Liquid Line Restriction Affects The Liquid Pressure and Subcooling ... What Should my AC Pressures Be for R410A ...Head pressure in HVAC systems is the resistance created by the refrigerant as it flows through the system. It can be measured at any point along the line and is used to determine how well an HVAC …Welcome to HVAC-Talk.com, a non-DIY site and the ultimate Source for HVAC Information & Knowledge Sharing for the industry professional! ... The refrigerant tubing must be of adequate size, not being undersized to any degree which would drive up the head pressure and lower the suction pressure. 5.) The metering device cannot be …The "Head Height" of a pump is the maximum height it can pump water to. So if a pump has a 100ft head, then it can pump water to the top of a vertical pipe that's 100ft above the pump outlet. Now water pressure due to gravity is around 0.43psi per foot. So the head pressure of a pump with 100ft of head would be 43psi.Head pressure is also sometimes referred to as discharge pressure or high side pressure. The output side of the compressor in an HVAC unit generates this pressure, and it can be affected by many variables.Are you interested in pursuing a career in the HVAC industry? With the convenience of online learning, you can now take HVAC courses from the comfort of your own home. However, wit...Sep 18, 2020 · The main reasons your compressor will have simultaneously low head pressure and high suction pressure is due to: Bad or leaky compressor valves. Worn compressor piston rings. Leaky oil separator return line. Your compressor valves may become inefficient due to poor sealing from dirt and debris deposits.
Totalinefi Head Pressure Controls The Totalinefi P251-0083C Solid State Head Pressure Control Designed specifically for HVAC and Refrigeration applications, the P251-0083C is a temperature-sensitive fan motor speed control which regulates head pressure at low ambients by varying the air volume through the condenser. Its unique construction. Delray dmv
Fluctuating head pressure, R22, Piston. Looks like non condensables. Noncondensibles for sure, possibly moisture. -Recover all refrigerant. -If you can change the oil in the compressor might be worth it. -Replace Filter drier. -Triple evac If you have the time. -Charge by weight, then check superheat and add what’s needed.Head pressure is a critical factor in HVAC (Heating, Ventilation, and Air Conditioning) systems. It refers to the pressure exerted by the refrigerant in the condenser coil, and it is measured in pounds per square inch (PSI).Indoor return temp ~ 70. Suction ~ 80lbs. Suction temp 29 (on RV) Head pressure would climb gradually to roughly 600lbs within 20 mins of run time. Discharge line temp 209 (taken on RV) Liquid line temp ~80. While the system was running around 600 PSI I took the bulb off the suction line & held it in my hand.Contents [ hide] 0.1 Basics of Head Pressure. 0.2 Causes of Changes in Head Pressure. 0.3 Significance of Monitoring Head Pressure. 0.4 Symptoms of Abnormal Head Pressure. 0.5 Impact of High Head Pressure. 0.6 Impact of Low Head Pressure. 0.7 Solutions to Regulate Head Pressure. 0.8 The Role of Thermostatic Expansion Valves (TEVs)Head pressure in HVAC refers to the force that keeps refrigerant flowing smoothly through the system. It is essential for optimizing performance and energy efficiency. Understanding head pressure is crucial for troubleshooting and resolving …This video explains what determines head pressure in refrigeration systems. Its explained by a Dunwoody College of Technology staff member Tom Kleinman.The refrigerant leaves the evaporator, travels down the suction line, and heads back to the compressor, where the cycle starts all over again. Refrigerant Lines. Suction Line = Line Between the Evaporator and the Compressor. The suction line should contain low-pressure superheated suction vapor.Something I'm wondering, With the phase out of 22,and the new equipment using 410,I am wondering what the head pressures are going to be like and what it will do to that new equipment out here in Death Valley where our high temps reach almost 130. We got off easy this year,our highest temp was 128 and been hovering about 120 most of …The dynamic pressure as head is typically measured with a pitot tube . head . mm H2O . in H2O . Velocity and Dynamic Head Chart. Charts are based on air density 1.205 kg/m 3 and water density 1000 kg/m 3. Air Flow - Velocity and Dynamic Head Chart (pdf) Air Flow - Velocity Heads. Table based on ρ f = 1.205 kg/m 3 (C = 4005, temperature 70 o F) and …I was working on a water source heat pump Trane serial number# W04C11546 MN# GEVB02411J0110TL. The unit is an upflow with the compressor compartment being on the bottom and the fan and coil on top. The problem is that the unit will run for about one minute in cooling mode then goes off on high head (400 psi r-22). Unit runs fine in heat.A compressor may have a discharge pressure of 290.6 PSIG and a suction pressure of 62.3 PSIG. We’d find our compression ratio using the following steps: 1. Add atmospheric pressure to both gauge pressure values to get the absolute pressures. 290.6 PSIG + 14.7 PSI = 305.3 PSIA. 62.3 PSIG + 14.7 PSI = 77 PSIA. 2.The pressure created on the output side of a gas compressor in a refrigeration or air conditioning system is known as discharge pressure. It is also known as high side pressure or head pressure. A refrigerant restriction indicates an extraordinarily high discharge pressure combined with an external suction pressure.The pressure that’s generated by the gas compressor of your air conditioning unit is known as head pressure. The head pressure is something to measure whenever you suspect a refrigerant issue. While reasonable head pressure is nothing to worry about, it’s high head pressure that’s an issue.Fan cycling is the easiest and cheapest way to maintain a minimum head pressure. By using a close on rise pressure control we can successfully cycle the condenser fan on or off to maintain head pressure. Fan cycling controls can be adjustable or non-adjustable. The non-adjustable fan cycling controls are selected by the pressure settings ...6 days ago ... Head Pressure Control Valve Operation in Commercial Refrigeration #technology #cool #hvac #training hvac training, hvac training videos, ...HVAC systems are intricate, with several components working together to regulate temperature, humidity, and air quality. One crucial aspect of HVAC systems that ensures their proper operation is “head pressure.” In this blog, we will delve into the concept of head pressure in HVAC systems, its significance, and how it affects the cooling ...Sep 21, 2023 ... Head Pressure Controls - Part 4 #hvacrshorts #hvactraining #refrigeration #hvacrtechnician #hvac. 30. Dislike.1.Recover refrigerant. 2.Cut the process tube on the valve’s charged dome to remove the pressure charge. 3.Using a torch, heat the valve until the solder solidifies and remove the valve. 4.Wrap the valve’s body with a heat sink to prevent damage; silver solder a new valve in place. 5.Install a new filter-drier.Head pressure 190 Suction Pressure 90 Suction line temp 54 inside temp 75 wetbulb 69 So ive been thru this problem b4 with the low head high suction so i assume piston or a-coil . I open up the duct and the other hvac guy has put in a 3ton acoil . I told the neighbor that he should replace the acoil with a 2 1/2 ton .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 sides, begin from ....
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