City of Akron, OH - Akron, OH
posted 3 days ago
About the position
This is skilled and specialized heating and air conditioning maintenance, installation, and repair work. An employee in this class is responsible for the skilled operation, installation, repair and maintenance of complex commercial heating and air conditioning units and for the repair of auxiliary controls. Work involves skilled electrical and plumbing work. Work provides considerable opportunity for independent judgment in devising work methods and deciding materials to complete assignments. Adjusts and calibrates electromechanical, electronic, and pneumatic controls for heating, cooling, and humidity. Performs mathematical calculations in determining fuse size, amp draw, air volume, waterflow and other related HVAC operations. Troubleshoots, diagnoses, repairs, or replaces window and floor mounted air conditioning units. Makes chemical tests of chiller unit condenser water systems to determine calcium hardness, alkalinity, etc. of the water. Adds treatment, in controlled amounts, to maintain the pH at a neutral level. Maintains, troubleshoots, and repairs cooling tower systems, high pressure steam boiler and associated condensate pump and electrical controls. Installs copper pipe systems including fin-tube radiators. Solders connections and performs high pressure brazing on connections. Cuts, threads, and installs steel pipe to cast iron steam radiators, etc. Maintains low pressure, gas fired, hot water heating boilers. Makes sketches, schematics and "as built" drawings for existing or proposed installations. Estimates and orders materials and supplies needed for installations and repair work. Drives to pick up materials and supplies. Troubleshoots electrical malfunctions in motor start contacts and control panels. Troubleshoots and eliminates problems with vacuum pumps, air compressors, circulating pumps, exhaust and intake blowers associated with heating, cooling, and ventilating equipment. Installs and repairs steam pressure reducing valves, floats, and thermostatic traps. Replaces mechanical seals on water pumps. Performs related work as required.
Responsibilities
- Skilled operation, installation, repair and maintenance of complex commercial heating and air conditioning units.
- Repair of auxiliary controls.
- Adjust and calibrate electromechanical, electronic, and pneumatic controls for heating, cooling, and humidity.
- Perform mathematical calculations for HVAC operations.
- Troubleshoot, diagnose, repair, or replace air conditioning units.
- Conduct chemical tests of chiller unit condenser water systems.
- Maintain, troubleshoot, and repair cooling tower systems and high pressure steam boilers.
- Install copper pipe systems and solder connections.
- Cut, thread, and install steel pipe to cast iron steam radiators.
- Maintain low pressure, gas fired, hot water heating boilers.
- Create sketches, schematics, and 'as built' drawings for installations.
- Estimate and order materials and supplies for installations and repairs.
- Drive to pick up materials and supplies.
- Troubleshoot electrical malfunctions in motor start contacts and control panels.
- Eliminate problems with vacuum pumps, air compressors, and other HVAC equipment.
- Install and repair steam pressure reducing valves and thermostatic traps.
- Replace mechanical seals on water pumps.
Requirements
- Graduation from an accredited high school or GED.
- Minimum of three years of paid experience in the maintenance and repair of commercial heating, cooling, and ventilating equipment, or equivalent combination of experience and training.
- Possession of a valid Universal Environmental Protection Agency Refrigerant Recovery certificate.
- Possession of a valid State of Ohio driver's license.
Nice-to-haves
- Considerable knowledge of air conditioning principles of operation.
- Knowledge of steam boiler and hot water heating boiler operation.
- Knowledge of pneumatic, electromechanical, and electronic controls.
