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After arriving on site Susan had found before I arrived that someone that was working on a window had left it open for Several days causing humidity to build. Also found that the room where the air handler was in in the attic, the air handler was sweating from the humidity coming in from the eves into the attic and leaking through the door into the room. System was set to 71 degrees and was reaching set temp. Pressures at outdoor unit were 355/120. System seems to be working fine, issues with humidity are being caused from outside air infiltration.
Checked no cooling on second floor air conditioner, found communication error to outdoor unit, found wet switch tripped, found area dry reset wet switch. Thermostat error is now clear. Set to cooling. Started air conditioner.
Service call that the Air Conditioner was not Cooling. Arrived onsite and found the indoor temperature at 76 Degrees with the AC set to 68 Degrees. Found outdoor unit and indoor unit were frozen. Shut AC down and defrosted the Indoor Coil. Used the UV Light to search for the Leak. Disassembled the Outdoor Unit and searched all connections and Fittings. Inspected the Indoor Coil. Was not able to locate the source of the Leak at this time. Put system in operation to test. Measured Refrigerant levels which were reading low. The indoor coil temperature was at 10 Degrees VSAT, due to being low on Refrigerant, causing the Freeze Up. Added 3lbs of 410-A Refrigerant to System, Charging by Superheat. Superheat had dropped from 65 Degrees to 20 Degrees upon completion, and the Supply/Return Temperature Differential increased to 17 Degrees after the Refrigerant had been added. Due to not being able to accurately identify the source of the leak, and the age of the Furnace/AC system would recomme
Performed Precision Air Conditioning Tune Ups on the 4 Systems for the Home. Replaced the 4â€ High Efficiency Air Filters for the three Air Handlers in the Basement. Inspected Electrical Components and Control Boards for all Air Handlers and Outdoor Units. Cleaned EZ Trap for the Second Floor System. Cleaned Drain Lines and Condensation Pumps for the Air Handlers in the Basement. The Condensation Pumps and Vinyl Tubing for the three systems in the Basement were very dirty. The Vinyl Tubing on each unit is very dirty. Due to the Condition of the Pumps and Vinyl Tubing, would recommend installing new 115V Condensation Pumps with new Vinyl Tubing for each Pump. Would also recommend wiring each pump into the Air Handlers so that if they become clogged it will shut power off to the system. Also recommend installing EZ Traps onto these systems. If the EZ Traps become clogged, they will shut power off to the Units.
Visually inspected ductwork in 2nd floor closet and inspected basement for humidity concerns. Ductwork in closet was insulated well. Basement wall does show signs of moisture that should be further investigating by water proofing company.
Biological growth present above light fixture in closet. Attempted to remove hatch to expose attic but could not get hatch down, it was sealed with sparkle. Attempted to view from behind in attic space. No indicators of mold present. Growth only evident above light fixture. Recommend having electrician remove light and seal any penetrations coming through ceiling and clean area while light is removed.
Inspected air handlers and checked air filters on all units. All filters were ok. Serviced the 3 humidifiers in the basement and replaced water panels. Turned humidifiers on for season and tested operation. Checked dehumidifier settings and inspected air filter for dehumidifier.
Found water on floor on arrival coming from overflowing condensate pump. Found GFCI tripped and causing pump not to operate. Reset GFCI and pump ran but GFCI tripped again. INstalled new condensate pump and interlocked pump to break 24 v power source to board if pump stops working. Tested pump operation and had vacuum plugged into GFCI to vacuum up water and GFCI never tripped again. Tested unit and pump operation. If GFCI trips again replace GFCI. Vacuumed and cleaned up pools of water.
Service call that the Air Conditioning was not working properly. Upon arriving, found Thermostat was set to 63 Degrees and the Temperature within the home was 77 Degrees. Temperature differential was at 10 Degrees. After troubleshooting system, found Compressor was completely frozen and the Indoor Coil was frozen. Defrosted both the Indoor Coil and the Compressor. Put system back in operation and tested Refrigerant. System was low on refrigerant which was causing it to freeze. Added 3lbs of 410-A Refrigerant to system. Monitored system, and charged unit using Superheat Guidelines. Upon completion temperature Split was 18 Degrees. Replaced the 20x20x1 Air Filter. Set Thermostat to 72 Degrees. Performed a quick leak search using the UV Light, and was unable to find a source of the leak at this time. Due to no one being home at this time, the Office will follow up for payment.
Performed ac tune up on 4 systems. Replaced filters on all units in basement. Replaced 2 capacitors on outdoor units.
Performed Precision Heat Tune Up on system. Replaced 20x20x1 Air Filter. Found Blower Compartment and Blower Motor was very dirty and dusty. While testing system, 7.5 Mfd Blower Capacitor was testing below the recommended rating at 6.7 Mfd. Replaced Blower Capacitor and tested operation. Visual inspection of the Hat Exchanger shows that rust is forming. This could compromise the integrity of the Heat Exchanger over time. Performed Smoke Test to check the Heat Exchanger, Smoke Test passed. Tested Combustion Levels of Furnace. Was informed that the Daughters Bedroom and the Sons Bedroom were colder than the other rooms upstairs. Daughters bedroom only has one register. The sons bedroom has two vents, but one of the vents was closed. Need to keep both registers open in the Sons bedroom. Recommend Air Balancing of the system and adjustment of the registers. If Air Balacing and Adjustment of the registers does not work, the next possible solution would be a Duct Booster. Due to age and
Cleaning Of the condensate pump reservoir is only one step in our preventive maintenance procedures.
Injecting dye into a Goodman air conditioner to find the refrigerant leak for a homeowner in Haverford PA
Performing air conditioning maintenance on 4 Carrier air conditioning systems in Haverford PA