35 + years diversified experience.An HVAC/Refrigeration Self Employed Contractor since 1986. Answer questions pertaining to Residential and Commercial Air Conditioning , Warm Air Heating, Heat Pump systems.Mechanical and Electrical troubleshooting of these systems.Be as detailed as possible when describing problem.Packaged unit or split systems.No appliance questions.
Installation and Troubleshooting, Mechanical and Electrical, in following areas, Refrigeration ( Walk In and Reach In Coolers and Freezers ) Commercial Roof Top and Packaged Heating/Cooling ( Natural Gas,Propane, Electric, and Heat Pumps ) Computer Room Air Conditoning Systems,Commercial Residential Packaged and Split Systems Air Conditoning and Heat Pumps.Warm Air Oil , Natural and Propane Gas Heating systems.
Graduated from Private Technical School in 1975. An HVAC/Refrigeration Contractor . Have Unlimited Heating/Piping and Cooling Contractor License.Limited Sheetmetal Contractors License.NATE Certifield. York Certifield Master Heat Pump Technician 1986. Served 33 years combination Active Duty Air Force , Air Force Reserves and Air National Guard in the HVAC/Refrigeration Shop/Mechanical Shop. Troubleshooting/Installing HVAC/Refrigeration Equiptment Worldwide. Retiring in 2003 as a Senior NCO ,and a Mechanical Superintendent.
David, If your positive the buzzing sound is from your compressor ,it may be locked up and trying to start, the excessive amperage draw trips the compressor internal overload .( buzzing noise stops
Lee, If this is a packaged one piece unit, It could be the transformer, as the transformer is powered all the time.They do burn out with age.Shut of the power to the outdoor unit and remove the electrical
Jeff, Being self contained units, the refrigerant charge is exact from the factory, unlike split systems ,where it's field charged and many times it's not charged correctly, also no braze joints you
Matt, Your outdoor fan wire hooks to the defrost board, all they had to do is remove the fan wire(s) from the board and attach together,basically bypassing the board.Then your A/C should work.You seem
Larry, You have a Honeywell switching relay probably 24 volt coil voltage.SPDT ( single pole double throw ) Double check your wiring diagram to confirm it's 24 volt coil. Grainger.com has them for $23
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