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Great technician—Super knowledgeable and personable. It was a pleasure dealing with Kurt.
Installed thermostat on air conditioning system, need to return to wire in the two zones for the boiler to work with the new thermostats. Office needs to put together an estimate. Ac looks like it could use maintenance, ac system is in attic.
Replacement of indoor txv, removed refrigerant, change txv, pressure test unit, triple evacuation, and re charge unit. After new txv started unit and ran for 45 mins check performance and found an issue with evaporator coil, itâ€™s an N coil bottom portion of coil is not getting any airflow, system was installed last summer, looking at the installation manual some brackets needed to be added for proper coil location, as right now unit unit is cooling with 15 degrees delta, I will talk to manager to see what we can do for customer. Pan needs to be placed in the right position.
advance troubleshooting on the ac unit, ran unit for 30 minutes and monitor system charge, supply and return delta is 14 degrees, noticed unit set for 1400 cfm, reduced speed to about 1180 cfm, pressures were still off, high super heat high sub cooling 300/100 psi, with 20 sub cooling and 19 super heat, check txv bulb, as I was removing bottom panel, txv bulb copper line came apart from bulb leaking refrigerant, at this time new indoor txv is needed, explained to customer about issue and txv, provided an estimate to replace indoor txv we will get back to customer to schedule return visit to install txv
Performed ac tune up on Coleman attic system, unit was installed last summer, check electrical low and high voltage connections and components, flushed drain, system does not have ez trap, it does have wet switch, noticed a lot of air leakage around rerun and supply side of air handler, ductwork branches off to left and right side, right side gets the most airflow, there are damper on both main trunks, we could tried to adjust each damper to achieve more balance flow for both sides, also air handler does not have disconnect to cut power when working on unit, check supply and return air found 11 degree split 65/54, check outdoor unit refrigerant pressures, 260/90 with 20 degree sub cooling and 20 super heat, informed customer about ac unit condition, advanced troubleshooting for the ac is needed. Provided estimate for recommendations, customer signed up for service plan on the AC system,
Performed cooling maintenance, replaced air filter. Cleaned eztrap and drain. Checked voltage, amperage and electrical connections, measured capacitor values. Shut off humidifier for summer. Started air conditioner, checked refrigerant charge. Checked operation and temperature drop across coil.
when I arrived went downstairs to boiler to asses the situation. Found boiler pressure gauge on 0 psi. Turned on main house water and pressure relief valve on boiler instantly started to leak. Found bad pressure relief valve. Pressure relief valve was not replaced during previous repairs. Relief valve looked to be original to the boiler. Replaced valve and had to purge some air from the system. Boiler pressure is not at 15 psi and working well again.
Found thermostat clicking on and off. Homeowner recently replaced thermostat in basement with a cheaper Honeywell thermostat. Recommend replacing thermostat with a programmable Honeywell t-4 thermostat. Installed thermostat and set up programming with homeowner. Oil boiler was serviced recently by another company. Also she mentioned zone valves were replaced. Tested thermostat operation serveral times, thermostat is functioning correctly at time of service.
Drain boiler system, replace circulator pump with new flanges and gaskets, replace Redding tee, and new drain valve, also add a shutoff valve to expansion tank, replaced automatic feed valve, also replaced two 3/4 drain valves for the zones. 3-3-22 Luis and Barry drain system and replaced pressure reducing valve, taco circulator pump with new flange set, replaced purgers for returns and expansion tank, after install new parts, check for leaks no leaks present, purge all air from hydronic system test operation both zones getting hot cycle boiler test limit ok.
Found that after installing Aprilaire auto humidifier control, found exsisting Aprilaire 400a float control does not work. Called Paul son and recommended replacement of humidifier with Aprilaire 600. Paul agreed to replace. Replaced humidifier and added a hard pipe pvc drain. Installed new 1/4â€ copper and shark bite humidifier tee. Gave oil furnace a call for heat and tested operation. Humidifier is working well at time of install. Humidifier only comes on with the fan, has a current sensing relay installed.
Performed heating maintenance, replaced air filter. Cleaned burners and flame sensor, inspected heat exchanger. Blew out condensate trap and drain drain. Checked voltage, amperage and electrical connections, measured capacitor values. Started gas furnace, tested limit and safety switches. Performed combustion test. Checked operation and temperature rise.
No radiant heat on two rooms and bathroom, zone 2....check actuators by jumping r and w on zoning panel, actuators open and heat was flowing normal, check thermostat connections and found broken wires on thermostat connections, explained situation to customer and quoted to extend wires and reconnect them to thermostat customer approved repairs, after repairs check thermostat operation, three runs going to each room are now getting hot. Cycle thermostat ok.
Set PSC blower motor Heat Tap back to orange. Med Low. Tested operation. Filters are approved including PuraFilter 2000 vent filters. Although tenant has decided to stop using them. Using these filters at supply registers/vents will not cause harm to the HVAC system or equipment. System is operating well at the time of this service.
Found leaking humidifier gate valve.m Older Aprilaire automatic humidistat is not wired correctly. Provided estimate to replace and properly wire control and to remove leaking humidifier fitting at water line and install a new fitting. Also add an 8â€ cap to the clean-out of flue piping. Both estimates include plan membership pricing. Called Paul and explained my proposed estimates/work. Paul said he will think about estimates considering Mary is currently on another plan with oil company. Office to bill Paul for todayâ€™s diagnostic fee.
Arrived to do maintenance and inspection of system checked flame sensor checked and cleaned burners, ohmed out igniter, checked all electrical connections, found blower was set to wrong speed, adjusted fan speed to be correct. Did combustion analysis found system to be working correctly after making the change to the blower speed. Customer had concerns about filters, all filters are approved and will not cause damage or harm to system. Also went over the idea of adding a uv light to the system to prevent new biological growth in the system.
Took photos of systems going to talk with office to figure out solutions.