Dispatched a service technician out to a commercial customer in Rancho Cucamonga, CA, for an air conditioner that was tripping the breaker. Upon inspection he found that the #7 Carrier unit's compressor had shorted to ground. System tested positive for acid. Will need to flush out as well as replacing the compressor.
A chiropractor's office in Rancho Cucamonga CA was scheduled for A/C maintenance today. All belts were inspected, air filters changed and heating components tested. No issues to report at this time.
Fall air conditioning and refrigeration maintenance scheduled today for a health food center in Rancho Cucamonga CA. All their freezers were inspected and conditions recorded. AC unit filters were changed out and belts checked. Site is in good condition, no issues to report.
Returned to an office building in Rancho Cucamonga to complete approved HVAC repairs. Their #3 Carrier unit needed the reversing valve, two check valves and two LLDs replaced. After completing repairs and recharging the system, our technician cycled the system in heating and cooling, confirmed the system is operational again and space comfortable.
Scheduled a summer air conditioning PM for a retailer in San Bernardino county. Completed all maintenance tasks for basic maintenance, including filter change and system inspection. Found one Trane system that was tripping the breaker. Unable to find any shorts in allotted PM time, will quote for time to return and trace electrical to find the issue.
Quoted AC repairs scheduled for a commercial property in Rancho Cucamonga CA. Two Carrier units were down, one unit needed a refrigerant leak repair and a new compressor contactor, and the other system needed its solenoid coil replaced. The technician completed both repairs, and found that unit #3 has a reversing valve that had stuck in heat mode. Will need to replace the reversing valve, unit is functional but repairs should be completed soon.