Dispatched our commercial HVAC technician to a business in Roseville CA, to investigate two units that were not cooling properly. Checked in with management and proceeded to troubleshoot. RTU#8 was running on fan only. Confirmed all electrical components sound, found circuit #3 low on refrigerant. Also found RTU#5 lower on refrigerant, but was able to repair same day and get #5 up and running. Will need to return and complete a full leak search and repair for unit #8.
Dispatched our Roseville CA commercial technician to a grocery store, their bookkeeping area was running warm. Upon arrival, our tech inspected the commercial Carrier unit and found a pitted contactor and weak capacitor. Space is at 74 degrees, returning with parts next day to get space up and running.
A grocery store in Roseville CA reported their pizza area was too hot. Our commercial AC technician troubleshooted the system and found the evaporator coil frozen with the blower motor not running. The technician replaced a failed capacitor and retested. Blower operational again, remainder of system operational.
Dispatched our Sacramento County commercial HVAC technician to a retailer reporting issues on their stockroom unit. Upon arrival, he found RTU #8 with a M2 board not communicating. Board had lost its programming. Contacted Lennox to troubleshoot, and was able to walk system back through re-programming to bring the unit back online.
Water leak reported, arrived onsite and was unable to access space despite confirming access before arrival. Customer is required to submit permit before technician dispatch to their mall management but process had not been completed. Will return as soon as access is confirmed with management.
Our Roseville CA HVAC technician returned to a clothing retailer to complete approved repairs. He performed a leak search on one of the Trane units, finding the leak on a bend at the end of the condenser coil. He repaired the leak, installed a new filter drier, and recharged the system after nitrogen testing. Cycled unit to confirm all other operations were normal. Job complete.