John Brown

Redmond WA Microsoft campus As HVAC engineer performed PM and repair of DX, chilled rooftop air handler big and small . Replace motors of up to 100HP. Safely work with teems to perform repair work lifting heavy motor and drives on Air handlers. refrigerant system repair and trouble shoot. Chiller plant operation over site PM and repair. PM water pumps and repair and drive replacement of VFD, AFD. Allerton and Apogee Siemens controls station monitor and set points changes and understanding controls. Work with customer calls and communicate hvac related room temperature adjustments. Work with contractors to have outside work performed.

All aspects of PM and maintenance of dx and chill water building hvac equipment. Responsible of chilled water plant monitor and sequencing controls. Cooling tower pm and maintenance. Allerton and Apogee controls monitor and changes. Refrigerant hvac rooftop repair and maintain. Chill water roof top unit pm and repair. Large motor and drive VFD replacement using gantry and lifting equipment softly. Motor bearing replacement and water pump bearing and seal replacement. Work with customer requests and changes.