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Heat pump overheating, thermostat set to cool and system is pumping hot air, relay not Energizing, currently nest thermostat is in placed, jumper wires at stat base and system works ok, cycle unit heat and cool mode ok, replaced thermostat with smart T6 WiFi check operation ok
Service call that the Second Floor Furnace was not working and water was in the Auxiliary Drain Pan. Upon arrival found system operating and homeowner had removed Wet Switch and dried Auxiliary pan and wet switch. Signs of water were present around the base of the furnace but found no water inside the Furnace Cabinets. Checked Drain Lines of Furnace and put system in operation to monitor. Checked Vent Piping drain fittings to ensure there were no leaks. Found humidifier panel was extremely corroded and aphid growth forming on it. Humidifier was turned on was running. Removed Water Panel and shut down humidifier. Homeowner did not want serviced at this time. Water may have been not flowing through the water panel properly due to being so corroded. Placed Wet Switch back in the pan and homeowner is going to monitor. Found no signs of water leaking from the unit at this time. Replaced 20x25x1 Air Filter provided by the homeowner. System has not had any maintenance performed in several yea
Returned to replace heat pump under warranty. Pumped down old pump and removed. Brazed in new heat pump with nitrogen. Leak tested to 300 psi and evacuated down to 200 microns. Tested in heating mode and found pressures to be slightly high due to warm day but normal. Will return on a colder day to verify. System working well at time of install.
Pumped down unit and replaced liquid line. Brazed in with nitrogen and pressure tested to 300. Evacuated down to 375 microns. Released refrigerant and tested in cooling. Pressures looked fine. Tested in heating and head pressure increased to 650. Suction stayed around 150. Tried removing charge and found no change. Static pressure was 1.4inwc. Will advise customer on repair.
Found unit locked out at outdoor unit on cycling off pressure switch. Found that in cooling mode system will run ok but in heating mode head pressure is pushing over 600 psi. Found that on the exsisting duct work there is only 5 6†supplies. And on the return there is a 12†and a 10†return flex which pulls in the cavity of 2x4 walls. With the new system the duct work needs to be altered to be able to get the correct air flow in heating mode. Went over my findings with the office and told vien we will be getting back to her as far as a solution to the duct work. Liquid line on refrigeration side is also 1/4†will look into weather this needs up sized to 3/8†or not. Also performed 6 month inspection.
Performed Quality Assurance inspection on a newly installed heat pump system. Air handler in very tight area. Tried multiple times to get to access panel to check wiring. Was unable to get to it. Customer said everything has been great since we were here last. Didn’t find a service record on unit. System running great at time of QA
No ac, customer stated unit would not come on, found system off upon arrival, nest thermostat set to 84 room temp is 80 stat is in cool mode, lowered set point to 70 and unit came on with no issues, check operation supply and return air ok 73/50 check outdoor pressures ok 6 sub cooling and 8 super heat, 280/110 check wiring ok check wiring on stat ok no issues were found drain is draining ok cycle unit ok
Installed new amana heat pump system. Tested system in both heating and cooling. Adapted to supply and return duct board. Installed new disconnect and power wire. System is working fine at time of install.
Performed precision a/c tune up on 2 amana a/c systems. Replaced 1 Aprilaire 413 air filter and 1 Aprilaire 213 air filter. Checked all electrical conections and components. Blew out both condensate drains. Tested operation of condensation pump in attic. Adjusted back damper feeding second floor bathroom. Checked refrigerant pressures and temperatures at indoor and outdoor units. Both systems are working fine at time of inspection. Homeowner talked about hearing a noise when blower in attic comes on , found metal duct work does flex when blower comes on but nothing to be concerned about.
Service call that there was water coming from the Registers. Spoke with Homeowners and was informed that there was water coming from the vents during the heavy rain storm yesterday. Used Attic access to locate the Registers in the bedroom in the attic. Removed the Insulation from around the Registers and found some signs of water. The one register is behind a wall and cannot be accessed. The insulation was not wet and no visible rain damage was scene from the roof above. The Flex Duct in the Attic is only rated R-4. Standard insulation for attic spaces is R-8. Tested system and found the Air Filter to be extremely dirty. Replaced the 20x25x1 Air Filter and took air temperatures and checked refrigerant pressures. Found no signs of water or condensation while system was operating. System was operating to standards. Do to the issue occurring and stopping during and immediately after the heavy rain storm, Recommend having the Roof inspected to see if there is water leaking through. Wou
Performed heating maintenance on 2 gas furnaces, checked media filters ok. Cleaned burners and flame sensors, inspected heat exchangers. Blew out condensate traps. Checked voltage, amperage and electrical connections. Started gas furnaces, measured fuel pressures. Tested limit and safety switches. Performed combustion test. Checked operation and temperature rise.
Performed Six Month AC Inspection on Amana System. Replaced the 16x25x1 Air Filter. When changing filters, do not recommend going higher than a Merv-8 Rating as this can obstruct AirFlow. Cleaned EZ Trap and Condensation Pump. Installed a Union Fitting onto the AC Condensation Drain Line to allow increased access to the Drain and Pump. Performed Update for Control Board on Cool Cloud App. Reviewed System settings and lowered Air Flow Settings on the system. Measured Refrigerant Charge on system. Measured Supply and Return Air Temperatures. AirFlow issue was mainly during the ramping up process of the Blower Fan. After lowering AirFlow, turned the system on with the Homeowners to ensure that the ramping Profile was quieter. Also spoke with Homeowners about keeping Fan in the Circulate Feature to help move air through the home in between Cooling cycles. Fan will run intermittently at 25% Speed in Circulate.
Performed Precision AC Tune Up on the First Floor and Second Floor System. Replaced the High Efficiency 413 Filter for the First Floor and the 213 Filter for the Second Floor System. Cleaned Drain Lines, Condensation Pump, and EZ Traps on Systems. Inspected Electrical Components on the Furnaces and Outdoor Units. Measured Refrigerant Charge on both Units and took Supply and Return Air Temperature Readings. Both systems are operating to standards at this time.
Removed thermostat from wall and extended wire to relocate thermostat to other side. Completed all connections and tested operation. Removed 2 duct fittings and installed top takeoffs on top of duct and reconnected flex and panned off other openings. Tested operation and ensured thermostat had a program in schedule.
Inspected ductwork in attic space and found one run kinked feeding Father Michaels bedroom. Recommend installing top take off and panning off other supply. Checked all dampers and found only chapel and supply runs where bedroom is located dampened down. Measured airflows to each space. During visit encountered a problem with thermostat no reading correct temperature. Thermostat reading 68 and setpoint at 71 and thermostat not starting. Removed from wall and placed back on wall and temperatures went to 74/74 and unit came on. Replaced thermostat with Honeywell T6 wifi and setup and tested operation. Left fan in On position.