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Performed cooling maintenance on first floor air conditioner, checked air filter ok, inspected cooling coil, cleaned condensate drain. Checked voltage, amperage and electrical connections, measured capacitor values ok. Started air conditioner, checked refrigerant charge and temperature drop across coil
Checked no cooling complaint, found condensate pump full and safety tripped. Blew out discharge line, found no restrictions. Tested pump again, pump has failed. Replaced condensate pump. Tested pump. Started air conditioner, checked refrigerant charge, found low on charge. Topped off refrigerant charge, balanced by superheat. Checked operation and temperature drop across coil. Signed up first floor system for maintenance plan need to schedule cooling ptu.
After we arrived found outdoor unit and indoor unit running , but indoor was frozen up. R22 pressures were 156/26. System is not worth charging due to age and price of r22, recommended replacement . Our office is to call and set up appointment for sales call.
Performed Quality Assurance On recently installed Indoor Coil and Condenser. Filled out attached Checklist. Reviewed installation with Homeowner.
Installed new coil and outdoor unit ran all new linesets and thermostat wire and drain. New whip disconnect was cut out in siding so we kept old one. Checked pressures and weighed in 1 pound ran 44 ft of line set had to charge for 28 ft. System was checked in ac and ran great. Delta t 26 degrees
Performed two ac tune ups, check electrical low and high ok flushed drain test pumps ok replace filters, blower cap ok, outdoor capacitors and contactors ok first floor system ok second floor unit is low on refrigerant pressure system with nitrogen and found outdoor coil leaking, recommended replacing system, heater and ac unit to match system, Office to set up visit