Repair damage to end cap of reversing valve. Nitrogen pressure test at 460 PSI for 10 minutes Evacuate to 750 microns for 10 minutes Recharge 7.25lbs (114 Oz) new r410a Run test cooling mode and heating mode and confirm everything valve operation Reversing valve is cycling good in both modes at this time Cooling running pressures are 114 and 302 Return thermostat to the off mode and lock up the house
Leak located at the reversing valve. Unfortunately due to design flaws and installation errors a steel mounting screw of the air handler control board was resting upon the endicap of the reversing valve and over a long period of time causing the system to wear through the brass and blow out all the refrigerant Reversing valve and all refrigerant need replaced Seth has contacted the United technologies local distributor and begun the process of a replacement part repair estimate Seth will follow up with homeowners when parts availability and the repair estimate are prepared
2018 Carrier Infinity 2 stage geothermal Upon arrival today the system was running in cooling mode but nearly empty on r410a refrigerant the system holds 114 Oz for a full charge but required exactly 100 oz to achieve book specs running pressures today. The system was running at 43 PSI suction with 170 PSI discharge but required normal running pressures of 118 and 337. System is currently running at full capacity in cooling mode but is guaranteed to have a leak that needs to be repaired ASAP Ultraviolet dye with leak stop was injected today for a future leak search at the homeowners request. Westin air recommends within 1 to 3 months however other customers prefer to wait until the system fails again. The thermostat has several years of historical service codes with the most recent dated in June of 2025 related to humidity sensor failure with 60 plus events. All other service codes are 2024 or older. Ultraviolet dye and electronic leak testing will identify the current issues th