HVAC Mechanic I

Job Description Summary Organization’s Summary Statement: Under general supervision, installs, services and repairs a variety of residential and commercial heating, ventilation, air conditioning and refrigeration (HVAC) equipment. Mechanics at this level install and service residential and commercial heat pumps and industrial centralized air conditioning systems up to 100 tons. Systems may contain several zones. Primary Duties Installs, operates, services, and repairs light commercial heat pump/air conditioning systems and other HVAC equipment such as refrigerators, fumehoods, window units, exhaust ventilators, coolers, deep freezers, and unit ventilators. Operates, services, and repairs pneumatic, electric, or electronic control systems on HVAC systems up to 100,000 gross square feet (GSF). Regulates and monitors air conditioning compressors, cooling tower fans and other related support equipment as prescribed by operating procedures. Regulates and monitors all building air handling equipment for central and local stations. Tests air and hydronic systems to isolate problems. Adjusts distribution valves and resets temperature and humidity controls for steam supplied and self contained generation systems. Performs service tasks such as adding refrigerant, lubricating, adjusting and replacing compressors and expansion devices, repairing pumps, cleaning out cooling towers and repacking valve glands and pump seals. Installs and reinstalls wiring and controls to connect components and controls to electrical power sources at low line voltage. Diagnoses HVAC system problems utilizing computer applications. Field Code Changed Reviews mechanical blueprints, schematics, specifications, and performance data to identify and provide interpretations of system problems and performance. Provides guidance and training in the HVAC trade to other maintenance personnel. Services and repairs traps, flash tanks, piping, control valves, condensate pumps and meters on steam systems up to 30 pounds. Performs mechanical joining of piping by using industry methods such as soldering, brazing, and gas welding. Insulates piping and mechanical equipment such as heat exchangers and associated subsystems. Performs insulation repairs to air duct systems. Minimum Qualifications EDUCATION: High School Diploma or GED. EXPERIENCE: Four years progressively responsible experience in the air conditioning/refrigeration trade. REQUIRED KNOWLEDGE/SKILLS/ABILITIES: General knowledge of the principles of air conditioning and refrigeration; of the practices and techniques used in the installation, repair and maintenance of HVAC equipment and systems; of refrigerant types, environmental impact, and gas reclamation procedures and equipment. Working knowledge of OSHA regulations related to the refrigeration trade; of National Electric Code; of basic mathematics including area, volume, and weights and the practical application of fractions, percentages, ratios, and proportions. Skill in the use and maintenance of the tools and equipment of the trade; in welding, brazing, soldering, and silfoss; skill in repairing and servicing HVAC equipment and systems. Ability to read and interpret blueprints, schematics, drawings, specifications, and construction documents; to read and understand manufacturer’s recommendations regarding scheduled and preventive maintenance, servicing, and operation; to use computers and related software to diagnose HVAC system problems; to prepare reports; communicate effectively both orally and in writing; to work in, on, around, over and under fixed equipment and machinery; to work at heights up to 35 feet; to manipulate heavy equipment, tools and supplies and/or exert force up to 50 lbs.; to concurrently manipulate multiple controls on machinery or equipment; to work in hazardous or irritating environments, confined spaces, and adverse weather or temperature conditions; to wear and work in personal protective equipment. Except for qualifications established by law, additional related experience and formal education in which one has gained the knowledge, skills, and abilities required for full performance of the work of the job class may be substituted for the education or experience requirement on a year-for-year basis with 30 college credits being equivalent to one year of experience. CONDITIONS OF EMPLOYMENT: Candidates selected for employment may be subject to medical inquiries and/or medical examinations to determine ability to perform the job. Employees assigned to work with CFC refrigerants must maintain valid certification in accordance with federal law. A non-commercial Class C or equivalent driver’s license valid in the State of Maryland may be required. Candidates selected for employment may be required to be trained to work with asbestos. Additional Job Details Physical Demands: Work in conditions of both high and low temperatures, around chemicals, in wet locations and in confined spaces. Exposure to adverse weather conditions can be expected. The ability to lift 50 pounds is required. Department UMCES-Horn Point Laboratory Worker Sub-Type Staff Regular Salary Range $55,000 to $67,000 EEO Statement The University of Maryland Center for Environmental Science is an equal opportunity employer. The Center’s policies, programs, and activities are in conformance with pertinent Federal and State laws and regulations on nondiscrimination regarding race, color, religion, age, national origin, sex, and disability. Inquiries regarding compliance with Title VI of the Civil Rights Act of 1964, as amended; Title IX of the Educational Amendments; Section 504 of the Rehabilitation Act of 1973; and the Americans with Disabilities Act of 1990; or related legal requirements should be directed to the Assistant Vice President of Human Resources, Center Administration, 2020 Horns Point Rd, Cambridge, MD 21613. #J-18808-Ljbffr