depends upon the ambient condition (approximately 60-70 psi in suction & 270-300 psi in discharge). if(d.getYear()>2000){document.write(year)} The first step you should take when checking your AC system is to run an AC performance test. The first step you should take when checking your AC system is to run an AC performance test. an air conditioning performance check requires _____. version of this document in a more accessible format, please email alternativeformats@communities.gov.uk. It should be 30º to 40º F cooler than the outside air. Price
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They make special thermometers for this that you can get from your local auto-parts store. The second is CFM, or Cubic Feet per Minute. The temperature of the air being discharged into the passenger compartment. Does all the data recorded fall within the specified ranges of the A/C Performance table below? Measure & record the current & voltage of the compressor. Do not put it on recirculate. A guide to air conditioning inspections for buildings Ref: ISBN 9781409837268 PDF , 280KB , 26 pages This file may not be suitable for users of assistive technology. Infrared Thermometer
The evaporator coil should be fully cooled, and the unit must be saturated with condensate before the test is initiated. Trained and certified technicians make seasonal visits to your home or office to test, inspect and clean vital system components.
"}, {"@type": "HowToStep", "name": "Check plugs, fuses and thermostat", "text": "if it’s not running- check plugs, fuses, circuit breakers and check thermostat settings"}, {"@type": "HowToStep", "name": "check the coils/filter", "text": " check the coils/filter- a heavy coating of dust or debris can cause the system to shut down. Clean the filters and the coils.
We earn on qualifying purchases from this website through Amazon Associates and other Affiliate Programs. Designed by WEB ROI, Serving Halton region Burlington & Oakville, Mississauga, Hamilton, Ancaster, Dundas & Stoney Creek since 1967. The evaporator coil should be fully cooled, and the unit must be saturated with condensate before the test is initiated. After recording the outdoor temperature, the technician will measure the amp draw on the common wire to the compressor. if it’s not running- check plugs, fuses and circuit breakers, check the coils/filter- a heavy coating of dust or debris can cause the system to shut down. "}, {"@type": "HowToStep", "name": "Calculate the Temperature Drop", "text": "All supply registers should be fully open, and it is important to set the thermostat in the cool or high-cool position. This site will look much better in a browser that supports
Operate the A/C system for 5 minutes. One problem, your AC isn’t working. The vacuum side of the gauge must be calibrated to show 0 to 30 inches (0 to 762 mm) Hg. a defective thermostat can cause the engine to operate _____. The compound gauge derives its name from its function. Quantity
The ambient air temperature must be at least 16�C(60�F). This test measures the operating efficiency of the A/C system under the following conditions: Are both the low side and high side pressures within the specified value? The maximum reading of the pressure should not exceed 160 psi (1103 kPa). 5.Apply the parking brake Privacy | Terms of Service | Website Disclaimer | Terms of Sale & Return Policy. The temperature setting must be low enough to ensure the system will operate continuously for at least 30 minutes. If you experience any problems with the site, please contact Pete Hoffman immediately so corrections can be made. How the air conditioning system affects the engine. �������� The low-side pressure Practically all readings of the low side of the system will be less than 60 psi (414 kPa) with the system in operation. © 2020 EricTheCarGuy All Rights Reserved - Website Design by Caveni, © 2020 EricTheCarGuy All Rights Reserved -.
Automotive Air Conditioning Training Manual 5 How does heat get inside a vehicle? It will register both pressure or vacuum.
An air conditioner that is functioning properly should have a measurable difference between 15-22 degrees Fahrenheit.
After recording the outdoor temperature, the technician will measure the amp draw on the common wire to the compressor. The higher the humidity, the harder your AC system needs to work, so be realistic with your assessment. If it’s not, then your diagnosis should start there. We have a team of certified technicians with factory training and cutting-edge service protocols to provide our customers with the most value. It is necessary that a gauge be used that will show either pressure (psi and kPa) or inches of mercury vacuum (Hg.).
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