1) Assist in managing preventative maintenance via the Computerized Maintenance Management System (CMMS). Maintain required regulatory documentation for tri-annual Joint Commission hospital surveys
2) Perform HVAC/refrigeration system diagnostic troubleshooting and repairs resulting from service work orders submitted to the CMMS system by staff. Interface with staff that submitted work orders and keep them apprised of the status of repairs
3) Maintain air-cooled chillers up to 150 tons, multi-story central station air handling units up to 55,000 CFM capacity, packaged DX rooftop units up to 100-ton cooling capacity, PTAC units, data center CRAC units, fan coil units, chilled water pumps, and chilled water distribution piping systems. Equipment constitutes over 8,000 tons of cooling capacity.
4) Maintain refrigeration systems for food service, laboratory, and medical walk-in coolers, walk-in freezers, blast freezers, and morgue coolers. Maintain medical and non-medical refrigerators and medical-grade ice and water machines.
5) Diagnoses problems in refrigeration circuits for varied refrigerant types and blends using manifold gauge sets, pressure/temperature charts, and temperature measuring devices. Pressure test, evacuate, and charge refrigeration and air conditioning equipment as required. Perform brazing, soldering, and similar procedures as required. Detect faulty operation of equipment and perform necessary adjustments and repairs
6) Maintain gas-fired heating water boilers, heating water pumps, fan coil units, unit heaters, and heating water distribution piping systems, valves, and controls
7) Maintain air distribution systems, including constant volume, variable volume, and dual temp ducted air distribution systems. Ensure HVAC systems maintain proper pressure relationships in Pharmacy Clean Rooms, Operating and Procedure Rooms, Sterile Storage Rooms, and Airborne Infection Isolation Rooms. Maintain base mounted, inline, and rooftop exhaust fans. Maintain fan bearings, shafts, and sheaves, including replacements as required. Maintain fire and smoke dampers at critical boundaries
8) Maintain HVAC control systems, including pneumatic, electric, and direct digital controls (DDC). Along with dedicated controls technicians, troubleshoot, diagnose, and repair equipment power and controls. Use DDC system trends and control logic sequences for diagnostic purposes. Maintain control actuators, sensors, and devices. Operate and diagnose problems with Variable Frequency Drives.
9) Read mechanical HVAC drawings and electrical schematics for troubleshooting purposes. Use the psychometric chart to determine the results of mixing air having various properties.
10) Participate in on-call rotation for nights, weekends, and holidays, typically for one week at a time. Put hospital interests as a high priority. Fill shifts where needed and stay late if necessary
11) Respond at any time to an emergency repair situation of HVAC equipment and/or fire, flood, and power failure, In order to maintain a functionally safe environment for all patients, staff, and visitors, including emergency calls after a normal work shift
12) Monitor and maintain necessary levels of parts and supplies related to heating, ventilating, air conditioning, and refrigeration equipment. Procurement by means of available vendors in accordance with hospital purchasing procedures. Manage relationships with all major vendor accounts