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outside unit making loud cricket sounding noise when running. Takes long time to come on when temp set low. - JT 7/276/12
Reply:
JT our link at page left NOISE AIR CONDITIONER / HEAT PUMP provides noise diagnostics.
About taking a long time for the A/C to "come on" when the temperature is set low: the thermostat is operating like an "on-off" switch that turns the air conditioner system on and off in response to room temperature. It's not an accelerator. So if there is an operating problem related to the system controls, the number of degrees below the room temperature to which the thermostat is set should make no difference in how long it takes the A/C system to start. As long as the SET temperature is lower than the room temperature the cooling system will turn on.
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(3 days ago) Pete Moreno said:
condensor will come on, but fan motor will make a hissing noise and will not turn.
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Additional technical contributors & reference sources for this article are listed below. Additional technical contributors & reference sources for this article are listed below. (July 3, 2012) good said:
it's very useful to me,thank you.
(June 21, 2012) sibte, shah said:
Thanks so much for bringing this excellent , comprehensive and easy to understand article. God bless you
(Feb 23, 2012) rick said:
Need an narrow 13 or better seer outside unit Where to buy? Thanks Rick
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(July 11, 2011) matt said:
Seems like it is a dead technology, can anyone share any new air conditioning technologies?
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Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.AIR CONDITIONING & HEAT PUMP SYSTEMS
COMPRESSOR CONDENSER BURNED-OUT COMPRESSOR
CAPACITORS for HARD STARTING MOTORS CONDENSING COIL REPAIR REPLACE CONTACTOR RELAY DIAGNOSIS & REPAIR CONTROL CIRCUIT BOARD, A/C
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FAN, COMPRESSOR/CONDENSER UNIT HARD STARTING COMPRESSOR MOTORS INSPECTION CHECKLIST - OUTDOOR UNIT INSTALLATION ERRORS, COMPRESSORS LEVELING REQUIREMENTS, COMPRESSOR LONG-ON CYCLING AC COMPRESSOR MOTOR OVERLOAD RESET SWITCH NOISES, COMPRESSOR CONDENSER Pressure Controls & Safety Switches PRESSURE READINGS, COMPRESSOR REPLACING A COMPRESSOR SHORT CYCLING AC COMPRESSOR TIGHT or SEIZED AC COMPRESSORS LOST COOLING CAPACITY
LOW VOLTAGE TRANSFORMER TEST
Carson, Dunlop & Associates Ltd., 120 Carlton Street Suite 407, Toronto ON M5A 4K2. (416) 964-9415 1-800-268-7070 [email protected]. The firm provides professional home inspection services & home inspection education &
publications. Alan Carson is a past president of ASHI, the American Society of Home Inspectors. Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The Home Reference Book & illustrations from The Illustrated Home. Carson Dunlop Associates' home inspection education products include
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The Home Reference Book, a reference & inspection report product for building owners & inspectors The Home Reference eBook, an electronic version for PCs, the iPad, iPhone, & Android smart phones Home Inspection Report writing materials, including the Horizon Software System that manages business operations, scheduling, & inspection report writing using Carson Dunlop's knowledge base & color images. The Horizon system runs on always-available cloud-based software for office computers, laptops, tablets, iPad, Android, & other smartphones.
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[2] Carrier 24ANA Infinity™ Series Air Conditioners with Puron® Refrigerant, 2 to 5 Nominal Tons (Sizes 24-60) Installation Instructions, Carrier Corporation, [copy on file as 24ana-6si.pdf]
Modern Refrigeration and Air Conditioning, A. D. Althouse, C.H. Turnquist, A. Bracciano, Goodheart-Willcox Co., 1982Principles of Refrigeration, R. Warren Marsh, C. Thomas Olivo, Delmar Publishers, 1979
"Air Conditioning & Refrigeration I & II", BOCES Education, Warren Hilliard (instructor), Poughkeepsie, New York, May - July 1982, [classroom notes from air conditioning and refrigeration maintenance and repair course
attended by the website author]
Refrigeration and Air Conditioning Technology, 5th Ed., William C. Whitman, William M. Johnson, John Tomczyk, Cengage Learning, 2005, ISBN 1401837654, 9781401837655 1324 pages
Carson Dunlop, Associates, Toronto, have provided us with (and we recommend) Carson Dunlop Weldon & Associates' Technical Reference Guide to manufacturer's model and serial number information for heating and cooling equipment ($69.00 U.S.).
Air Conditioning SEER - New DOE Air Conditioner and Heat Pump Efficiency Standard
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Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore. Also see our Book Reviews - InspectAPedia.
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The Home Reference Book - the Encyclopedia of Homes, Carson, Dunlop & Associates Ltd., Toronto, Ontario, 25th Ed., 2012, $69.00 U.S., is a bound volume of more than 450 illustrated pages that assist home inspectors and home owners in the inspection and detection of problems on buildings. The text is intended as a reference guide to help building owners operate and maintain their home effectively. Field inspection worksheets are included at the back of the volume.
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