On arrival: Checked in with IVR, mall management, mall security and store manager. Gained roof access. On approach of the unit, I found the blower door wide open. Found unit coding on both circuits for low saturation temperatures. Closed blower door and reset both alarms. Cycled unit on in cooling and unit is now operational. Checked out with T-Wave and no active alarms were found. Obtained signature on work acknowledgment. Checked out with mall management and IVR.
Major HVAC replacement project scheduled at a commercial property in Fairfield California. Crane lift required, all old units disassembled and removed, new units placed on curbs. Proceeded to wire in electrical, reconnect piping and test all functions.
HVAC preventative maintenance scheduled at a retail store in Fairfield California. All air filters were replaced, all operations tested, pressures and amperages checked. Electrical in good condition. Condenser coils washed. No issues to report, PM complete.
