Ac low side drops to zero 

The compressor clutch cycles Apr 05, 2015 · You need higher pressure on the LOW side to keep the compressor switch engaged. One symptom indicating a complication in the air conditioning is AC low side high, high side low On the other hand, there is possibly a huge leak when the pressure is zero. This slight difference between the indoor and outdoor pressures will induce very little infiltration. When the refrigerator’s compressor first begins running, the pressure will appear higher than normal. 0. Alternator output should increase, and the ammeter reading should register close to the alternator amp rating. low-side pressure indicates above zero after five minutes. 80 W and X = 6. As a result of this isolation, the earth cannot become part of a current path returning current back to the output of the Inverter. At every instant the product of voltage and current is positive or zero, the result Jan 30, 2022 · Costing just . If you notice that your thermostat gauge stays on the “C” even after the engine has time to heat up, you may have a broken thermostat. Inductive loads are most sensitive to such abrupt circuit changes. As can be seen, the better (more efficient) the Zero Breeze Mark 2 Battery Powered Portable Air Conditioner, 2300 BTU, 240w Low Power Consumption with 24v DC, Off-grid, Design for Outdoor/RV Life 3. Three fixed gains are available: 50 V/V, 100 V/V, and 200 V/V. Figure 12. If the load is purely resistive, the two quantities reverse their polarity at the same time. Steady low between 5-10″hg vacuum: This indicates that the engine has a leak in the intake manifold or the intake gasket. When one of the reference wires becomes. Ambient Temp: 90F. 25 เม. * Normal readings on high and low side with AC OFF (static pressure) - Depends on outside The low side drops to about 25psi but high side stays the same at 100 psi. Most of the time the problem ends up blowing the fuse on the control board, (if your control board has a fuse) instead of the transformer. The refrigerant then vaporizes, absorbing the maximum amount of heat. 1) With the voltmeter connected to battery, and key and engine off, record a "base" voltage reading. energy. May 07, 2021 · Then, when T high is reached, the pressure in the ventilator will go down to P low (usually zero). Low Side Low High Side Low. The low side pressure went really high 2004 Jon 27 I just drained my system and the pressure of the low end read 0 psi. Then compressor started running for longer and Read on to find out what causes these readings, and what you can do about it so your car's AC system goes back to normal in no time. ) 2. If everything is working properly you would have 8°-12° SC and 10°-20° SH. 2 ohms at 90°C and 17 ohms at 60°C. 7% of its midrange value and is expressed in dB as (at 3 dB reduction in the voltage gain) Example: A certain amplifier has a midrange rms output voltage of 10 V. If the contactor is not getting the 24 volts to the contactor coil then it could be a time delay relay (if the unit is equipped), thermostat problem, transformer, safety control (low on refrigerate), or wiring problem. The LTC2433 is a 16-bit delta sigma converter with a 2. This can potentially cause damage to your outside unit compressor if remains in CCM operation. As stated above, the evaporator coils work by absorbing heat from the air. Apr 29, 2011 · AC power supplied to your home changes its voltage dramatically from moment to moment, and ideally, presents a sine wave which cycles from zero, to negative, through zero to positive, and then back to zero, sixty times a second in the USA and 50 times a second in most other countries. This is a common occurrence when an oversized outdoor weather hood has been installed. 2. AC is used to deliver power to houses, office buildings, etc. The correct amount of freon is shown below. Look no further than the Pioneer WYS012-19. To balance the system by design increase the air flow rate in Section 1 to bring it up to the higher pressure loss of Section 2. If there are readings on both the high and low sides but they are not the correct specified pressures, it means that certain parts of the AC system are not functioning properly, such as the expansion valve95 continental: ac clutch kicks. Some of my stuttering issues in Rainbow Six Siege can be solved by using borderless instead of full screen or removing the in game FPS cap. If the engine is running and your gauges are showing low side pressure too low and warm air is coming out of the vents, the system may be low on charge. To correct the air flow rate for Section 1 use the Fan Laws: Q 1 new = Q 1 old * (P t loss 1 new/ P t loss 1 old)1/2. 12% eye drops and prednisolone 1% eye drops. If there is a fault on any LG Universal Unit, a two digit number will appear on the remote controllers led display. This is one of many problems that I have had with this vehicle. My A/C compressor was working, sort-of. Lucie to Broward County! Broward (954) 800-2858. Full-Wave Rectification. On most of our models, there is a recessed button which looks like a reset button but is actually a muli-functional button. The response time is around 2 to 3 seconds, which is enough to tell you that there is something wrong with the transmission fluid. Conductor upsizing is often mandated for the protection of sensitive electronic equipment. When AC > MC, the MC curve is downward-sloping. This guide highlights four AC brands with the best reputation and will hopefully help you in yourLearn about the potential side effects of Cheratussin AC (codeine/guaifenesin). When the vehicle is turned on, the low side drops to 0 and the high side climbs to 140 immediately. 5 psig trip - 68 psig reset/G65, 12. And as a diode, the SCR only conducts one-half the cycle. The table below shows the comparison between temperature and pressure for R134a. ) If it is less than 12. If your air conditioner is working but not cooling, dirty coils may be the culprit. But if they don’t have enough heat to absorb, the condensation on the coils can freeze. Sep 18, 2017 · Posted by Ryan Downer in Air Conditioning & Heating • Corpus Christi Cooler temperatures mean warmer clothes, chilly nights and maybe even a fire in the fireplace. 5% trip - 20% reset), and below the High High pressure cutout (450 psig trip - 350 psig reset/G65, 82% trip - 64% reset), but the clutch is Second, your air conditioner may have a low ambient sensor. Grade 1 versions are specified over the extended operating temperature range (-40°C to +125°C) and are offered in an 8-pin TSSOP and 8-pin SOIC packages. Although the Puget Sound region gets a lot of precipitation, the winters can get pretty dry. The infographic below shows the top five failure modes of solenoid valves. For example, if you swap the points A and B, the sign changes. How do I get 24V from 12v power supply? Kapsul is the premium smart air brand for tech-forward and design-minded consumers who want effortless control of their home’s air quality and comfort. The air conditioning This is because the AC input goes back to zero volts at 180 and 360 degrees shutting off the SCR. The simplest answer is voltage drop across internal This causes the refrigerant to absorb heat from the warm air and reach its low boiling point rapidly. As soon as I turn on any breaker that has a load and is connected to one of the bus bars, the voltage drops. Side Effects. You're pretty sure your home's AC system is low on refrigerant. Connect the high-side hose of the gauge to the high-side compressor nipple, which will be a 3/8-inch screw-on fitting. Used as a retrofit for R-12 in stationary positive displacement air-conditioning (AC) and refrigeration systems, Freon™ 409A works in: Walk-in coolers. Check wiring. Generic name: codeine / guaifenesin Medically reviewed by Drugs. Now at 19,000 and the evaporator expires. Aug 22, 2016 · In this situation, most cars will be low on Freon. If your model doesn’t have a built-in thermostat, use a thermometer to check the temperature. The high pressure gauge likely can’t read lower than zero, but the low pressure side should go down to -28 or -30 inches of mercury (inHg). Car is 4 yrs old. Capacities: 9,000 to 15,000 BTU/H. May 20, 2015 · This will allow the air to cool faster, and put less strain on the unit itself. Each process has a set time interval in When I tried to put some freon in the system I cant get it to pull in, does this sound like a bad low side pressure switch? I really don't know too much 2016 Jan 26 If the reading is zero you have a major leak. A short circuit in the power system is the result of some kind of abnormal conditions in the system. Galaxy Étoile: March 22, 2018: Gene's season 2 outfit and fantasy blacksmith garb. The most important maintenance task that will ensure the efficiency of your air conditioner is to routinely replace or clean its filters. Voltage Drop Calculation of a DC Power Line. 3 to +26 V, whatever the supply voltage is. Lower voltage by VIN volts Highest VCL occurs at DMAX. A load of 10 20o is connected to the low voltage side. wg with respect to outdoors. Perhaps the most confusing aspect of discrete sensors is the definition of a sensor’s normal status. Generating AC. Though these issues should not prevent the use of a reactor when one is required, the user should be aware of and ready to accommodate these Dec 18, 2009 · Diagnose electrical problems by chasing voltage drops, instead of the old-fashioned way -- checking continuity. 20 + j0. This low voltage is applied to the diode. Such troubles may be due to the aging Jan 13, 2022 · A low hemoglobin count is commonly seen in routine blood tests. Pressure High: 155-200. 1. Voltage drop is the loss of voltage caused by the flow of current through a resistance. in the liquid line or in the evaporator where the liquid line goes into it. At low-line this is no problem, but for the operation in the high-line band (176 V AC to 265 V AC), the operating current will be much lower. Low side gauge does move. The low-pressure side, when connected to the gauge, should read less than 100 psi. With the clutch engaged, a compressor pulls low-pressure vapor in from the suction side. Here is a list of the pressure readings that are characteristic of an A/C compressor that is not blowing cold air into the cabin of your car: 250 PSI / 30 PSI = You have air somewhere in the system. Lots of display driver crashes, blue screens, hangs, and just plain oddities (having to run SteamVR in safe mode otherwise every other frame skips, etc. 9 พ. Expansion valve and compressor already replaced. 10 Sensing Devices Protective relay must be isolated from the high-voltage system but require current and voltage quantitiesProblem: My 24-volt low voltage transformer continues to burn up. พ. There is no cold air. 2007 Sep 19 I want to recharge my air conditioner and I am racking my brain to the pressure on the low side will drop. Jul 13, 2019 · Transformer - steps down high voltage AC mains to low voltage AC. Now, it is only up In this quick guide to low cortisol, you’ll find out what cortisol does in the body, the different possible causes and symptoms of low cortisol, how you can easily check levels with an at-home cortisol level test, and more—so keep reading. On an average air conditioning system running under normal conditions with a 75°(23. 2563 Your condenser has a cycle that it goes through in order to allow your air conditioning to run properly. 5V full-scale range. 7 Causes of Car Temperature Gauge Stays on Cold. When the voltage at the supply capacitor exceeds Vdisable, the gate driver outputs are enabled. To get more information, you can call them at 800-296-1996. In addition, when airflow is obstructed, air can bypass the filter and deposit dirt Sep 18, 2017 · Cooler temperatures mean warmer clothes, chilly nights and maybe even a fire in the fireplace. 3. Expand Section. A resolution of 16 bits has an LSB value of only 40µV. Stop the engine. If the leak was such that ALL refrigerant leaked out then at a minimum you need to again I previously had a wiring problem on the low pressure sensor and checked it first. Cycling heat is when your furnace turns on and off frequently for short periods of time. With the A/C turned OFF - On a cold day the pressure will be low, on a hot day the pressure will be high. Ground-side voltage drop hurts load performance and causes a voltage reading at the ground side of the load. If hooking a can of refrigerant with a single hose/gauge to the car, you will use the low side. Notice the scale on this high side gauge reads from 0 to 500 PSI. Although many of the principles will carry over to other types of refrigerants and drop-ins. The same requirement is also for the output of DC-DC converter. Country of Origin: United States. Air resistance grows directly proportional to air flow. Press this button once then press the ON/OFF button on the remote (the unit may or may not beep after pressing the button). Then take the temperature of the Suction line as close to the condensing section as possible stay at least 6 inches from compressor. Leaks commonly take place with the gaskets, seals, loose pans, and transmission lines. This is another method of closing the delta triangle. 8 มิ. 5%. The unit comes with the 17. Includes common and rare side effects information for consumers and healthcare professionals. Nov 27, 2018 · This is the normal connection for delta wye transformer with delta on the primary. Look at it this way. The low-pressure indicator looks like an exclamation point in the middle of an open-top, flat tire. Therefore, voltage falls to about zero on the ground side, but current keeps flowing toward the battery. 25 pf when supplied at 250 V, 50 Hz. These two separate sides of the system are necessary for proper operation. At the minimum flow rate of 1. Indicates that one or more of the phase voltages has dropped below low ac voltage threshold for time delay seconds. 66 volts. What causes high SH, low on charge or a restriction. Mar 27, 2018 · Low humidity occurs most often when the temperature outside starts to drop. One is running fine. – HandyHowie. 100 volts or less is preferred. Start on one side of the voltmeter and work your way around to the other side. module. With a low white blood cell count and, in particular, a low level of neutrophils, you're at higher risk of developing an infection. Nov 25, 2020 · The potential risk of lowering LDL cholesterol to very low levels has not been confirmed, and its association with certain health risks is still under debate. If that's the case, it's likely that your vehicle has a system that shuts off once refrigerant drops below a certain level. 5 percent or above. Front AC Only: Low side pressure plummets to less than 10PSI when snapping the throttle. 400 volts, although 0. Jan 30, 2018 · 1. Start the vehicle and hold the engine at around 1,500 rpm. Voltage coming into the sub-panel is 120v on each feed. Conduit 1. To 8 ก. Low Side and High Side Pressures are Low • Refrigerant charge below manufacturer specification • A/C compressor not engaged / variable displacement inoperableYou read 110psi in the circuits with the compressor off. If your doctor diagnoses low testosterone, other tests may be considered before therapy. When an AC sinusoidal signal is used as the input for rectification, the DC output can be improved to 100% level using a full-wave rectification process. The pressures do equalize when the engine is off. If the transformer were not operating at full load, the voltage drop would be less. The American Diabetes Association categorizes blood sugars by A1c like this: Normal – below 5. The low-pressure side, when connected to the gauge, should read less than 100 psi. Both X and R will Use of ketorolac eye drops for longer than prescribed may increase the risk of very serious side effects of the eye. My AC isn't performing very well and is generally behaving strangely. Then, the next time your AC is low on refrigerant, the AC tech can easily locate the leak and let you know the cost to fix. I flushed the lines with nitrogen and vaccumed the lines before. If you are considering getting a low profile design you look at the Dometic Penguin II, it has the lowest design on the market. Jan 24, 2022 · RELATED: The Best Portable Air Conditioners of 2022 Clean dirty coils. Jun 10, 2011 · Well, I checked the static pressure after the car sat for a bit and the reading was over 100 psi – note that this is on the low-pressure side. Low profile units have become popular due to their small sleek designs. The gauge set shows intermittently high and low side pressure gauge readings and the high side intermittently drops to 100 psi. Then my radio shuts off. They can be used for wide temperature and pressure range. This leads to a low-pressure environment Sep 26, 2021 · The air conditioner is designed to manipulate the properties of the refrigerant between a gas and liquid. Low airflow can be caused by dozens of problems within the AC system, such as a malfunctioning blower fan, dirty air Apr 25, 2011 · As a side note, scientists have cooled atoms to amazingly low temperatures close to absolute zero. The reactance which is small at low frequencies and large at high frequencies is known as inductive reactance. Jun 09, 2007 · I am trying to diagnose an AC problem and have a basic question. Waiting until late in the spring to test Feb 25, 2015 · Verify the equipment’s actual requirements whenever possible. Then it repeats, ad nauseum, with little cooling. The much tighter 1. Now switch here. For example, if you use an R-134a top-off bottle to fill it up, a little moisture can get in when you open the valve cap and install the can. 02%: This is the lowest level of intoxication with some measurable impact on the brain and body. An automotive air conditioner has a high and low side, divided by a metering device and the A/C compressor. This is normal as one is reading the "ripple" riding the unfiltered raw D. This heat is then carried by the refrigerant from the evaporator as a low-pressure gas through a hose or line to the low side of the compressor, where the whole refrigeration Mar 23, 2012 · Originally Posted by Cool Change. If there is pressure but the reading is below 50 psi then the system is low and may just need to 2016 Sep 11 Second, without having the High side and Low side numbers it is hard the pressure, but I am not sure what would make it drop to 0 psi. decreased vision and/or other eye problems such as: blurring, bright flashes, squiggly lines, tunnel vision, decreased night vision. While charging, shake the can up and down, alternating between 12 o’clock and 3 o’clock Therefore, voltage falls to about zero on the ground side, but current keeps flowing toward the battery. Lack of Airflow. Why It Occurs. Except for isolated DC-DC converters, the magnitude of DC fault currents associated with all the common power conversion technologies listed in Table 1 is governed by the combined effect of the AC and DC side impedances. As the length of Low uric acid levels affect only 0. For the R12, hook up the low-side hose of an AC gauge to the low-side nipple on the compressor. Feb 08, 2013 · As a vehicle slows, engine/generator RPM slows and the current (amperage) output of the generator may not be sufficient to supply the loads, the vehicle system voltage will drop and the lights will dim. The length of that duct is 5m, and so the pressure drop is 5 x 1. Ask your doctor or pharmacist if you have any questions. Doctors diagnose low testosterone based on a physical exam, a review of symptoms, and the results of multiple blood tests since levels can fluctuate daily. I cleared the ACM code and the AC started to cycle off and on 25 ม. Mar 12, 2019 · The Effects of Low Humidity on Your Health and Comfort. daniel_s_turner. Winners Design 5 [Side A] April 25, 2018: Part one of the winning 5th Anniversary item designs. also thelow-side pressure, assuming there is no pressure drop. This lights up when the pressure in one or more of your tires is low. If the pickup filter gets clogged, then you can have low oil pressure. When I full stopped, I turned the car off and then Shake can well and screw can onto gauge/ trigger assembly. inside a refrigerator) divided by the work W done to remove the heat (i. The reason why your air conditioner can’t keep up with the 100-degree heat wave will not make you happy. It is suitable for need to reduce ripple voltage and have size limit application. It goes into the evaporator where it then takes 8 เม. Palm Beach (561) 701-8274. Smoothing - smooths the DC from varying greatly to a small ripple. There's no way that i couldn't play this game at 60fps even in 1080p with the lowest settings! It happened to be fine when just pressing keyboard to walk, but as I started moving my mouse to look around, the frame rate drops and may stuck at a single frame for up to about 100ms! Sep 06, 2017 · 1. The needle valve may also get stuck partially open from grit or a sludging condition in the oil. In some cases, it’s not possible to achieve the required subcooling without having a superheat of zero degrees. Although the results of the studies confirmed its efficacy in controlling myopia, its side effects, which include photophobia, poor near vision, dry mouth, flushing, constipation, ciliary muscle paralysis and allergies, should not be underestimated -. It isn’t an easy to swallow pill, but it might just be more important than every pill in your pill box. 345 In a simple alternating current (AC) circuit consisting of a source and a linear time-invariant load, both the current and voltage are sinusoidal at the same frequency. A fan cycle control will not work well in sub zero windy weather. Jun 24, 2015 · Wait for at least 15 minutes to ensure that temperature is stabilized and giving a correct reading, then compare it to the reading on your thermostat. That is also why the line is freezing up. whereas the voltage gain for the range of frequencies between 50Hz and 20 KHz is constant. May 19, 2010 · AC is pulling vacuum on low side. Mar 12. Frost or ice on the coil or copper refrigerant tubing. Atropine 1% eye drops were initially used as a standard dose to control nearsightedness. Different laboratories classify low white blood cell counts differently. If I shut it off for 30 seconds or so. C. side. 5% voltage drop allowance on the right side of Table 1 cuts the allowable lengths to only 1/2 of their values at 3% voltage drop. Sep 02, 2021 · First, check the integrity of the battery. ) is less than 0. If you have access to compressed air blow out the lines and condenser. Sep 01, 2021 · This medicine is available in 2 forms: prednisolone 0. Hg), thesuction pressurewill be about 14 in. Though every air conditioning system will vary, you want to see the high side pressure around 20 psi and the low side around 40 psi. Determine if your vehicle uses R12 or R134a refrigerant. With my A/c experience this head / high side pressure seems to Normal readings on high and low side with AC OFF (static pressure) - Depends on outside temperature, but normally is between 80-105 PSI NormalIn this video we will see How to Solve FPS Drops problem in Games after Windows 10. 10. The SEZ series may be mounted in the attic, hidden in the ceiling or beneath the floor, or concealed behind a bulkhead. Low White Blood Cell Counts (Neutropenia) A lowered level of immunity is called immunosuppression. I let the truck sit for about an hour. Steady low between 10-15″hg vacuum: This reading Dec 10, 2012 · ssl. When this happens, it will take a lower temperature for all the refrigerant liquid that has been compressed by the compressor to become vapor in the Secondary and low side (and LV) terms are used interchangeably Open phase is assumed to have occurred on the primary side of a transformer. 1 A, POC = 44. If building pressure is controlled to 0. Jan 26, 2016 · Step 2: Restart the engine and turn on the air conditioning. As a guide, allow-able pressure drops between 20 and Voltage Divider Calculator. Below I will describe basic steps in troubleshooting a PV array. When I full stopped, I turned the car off and then Voltage coming off the 225 amp breaker in the main panel is 120v on each feed. The Weigh-in Method One example is if the defrost feature malfunctions and the heat pump becomes covered in a block of ice. But with the broken circuit, current is zero, so look what happens to voltage drop: E = 0 * 60 That's right, E is 0, so the voltage drop between the load's hot and neutral will be zero. Apr 30, 2019 · High 150 Low>10. Step 3: Observe the pressure readings. While high blood levels of uric acid are common and may result in symptoms of gout, unusually low uric acid levels develop infrequently and are usually a sign of another An automatic transfer switch (ATS) is a self-acting, intelligent power switching device governed by dedicated control logic. 50Pa. The coils however are grounded to the engine, which means that when the ECU is outputting zero Volts on its ignition output, the coil sees a positive voltage (equal to the voltage drop described earlier) on its input. It may be caused due to internal and or external effects. A/C compressor goes on and low side goes into vacuum. Reconnect the wires and proceed to step . Look for a button on the front right side of the unit under the "lid". We tried adding freon, and tried taking out freon, 6 พ. Re-circulating of condenser air. 5 Concutor X/R ratio: 25 133 0. The boost is the second most common non-isolated typology, in terms of units sold and functioning, and a lot of that is thanks to LED drivers, especially mobile devices. 5% trip - 20% reset), and below the High High pressure cutout (450 psig trip – 350 psig reset/G65, 82% trip – 64% reset), but the clutch is Jun 01, 2013 · A voltage drop test will assess voltage losses at the battery, the alternator and the starter. Normally this is a very simple problem that can be fixed in May 18, 2017 · If the expansion valve goes bad, you can have a very low suction superheat when you have the proper subcooling. Certain diseases, including cancer, and certain treatments, including chemotherapy and radiation therapy, can cause some people to have immunosuppression. Read also related articles: The condenser goes through a cycle in which it performs all the required jobs to cool the air and send it to the cabin. So i strapp up my r-22 and feed this 18 ก. May 01, 2019 · Content: Split Type, Mutli System, Floor Standing, Cassette Type, PTAC Type, Portable AC, Troubleshooting and Manuals. Therefore in a normal R134a, the low-pressure side is 90 degrees or less, and the PSI should be close to 30. Compressor clutch is Low pressure, refrigerant gas from the evaporator enters the compressor and and my A/C dropped to 0 PSI and when I let go it's 30 PSI, is that normal?Gauge pressure is the first tool in AC troubleshooting. The low voltage winding of the transformer carries more current. Nov 01, 2014 · In America we use a frequency of 60 Hz while in Europe you will find a frequency of 50 Hz. Adjustment for skin effect. I installed a new rheem 3ton 16 seer ac system and when I kicked the system on the suction pressure dropped to zero while the head pressure stayed at 300. As the length of (LOW PASS) FILTER + v O 1 v O 2 BEFORE FILTERING AFTER FILTERING DC SUPPLY INVERTER LOAD Output of the inverter is “chopped AC voltage with zero DC component”. So just how cold can it go in our own cosmic Dec 27, 2021 · Some side effects of electrolyte replacement solutions may occur that usually do not need medical attention. Air blown over High side goes to 200 and low side stays around 30. 250 PSI / 50 PSI = The system is overcharged and the condenser is not cooling. It is a common side effect. All attachments can be equipped with up-end, down-end, rotate, pitch, and tilt functions. 8 kV, IOC = 15. Please note that when I took the truck to the mechanic I had no oil pressure problem, the head was The low side of a refrigeration system usually houses the evaporator, suction line, and any accessory components located within the suction line. Low levels of vitamin D may lead to a greater risk of catching the coronavirus or suffering more severe effects of infectionI read in several worksheets of an excel file (> 15 MB) where each sheet has > 10000 columns. When the frequency approaches zero, the motor is shut off. 30. Technically, 12V is a bit on the low side for providing the impulse current, and a bit on the high side for providing holding current. As with any medicine, there is a very remote chance of a vaccine causing a severe allergic reaction, other serious injury, or death. If I remove the load from the breaker, the voltage doesn't drop. For example, a meat-heavy diet–high in purines–increases uric acid levels and causes flare-ups in people with gout [ 15 ]. To test a capacitor, a multi-meter that can test capacitance is required. The two main causes of this issue are clogged filters and blowers causing inadequate airflow. Colder air means that the air cannot hold as much moisture, which results in that dry feeling you get. 9 psig 68 psi 110°F (43. Note: Heat pumps operating in the heating mode also may have a vapor switch that cycles the outdoor fan when the pressure is about 400 psi, and resets when the pressure drops to about 310 psi. Air Max 95 Ironstone . Enjoy your ice-cold AC! Low side pressure is too high (high side pressure is normal) Finally, if you’re wondering why your AC pressure reads too high on the low pressure side, while the high side pressure remains normal, you might be dealing with incorrect cycling of the condenser