| Location | Hancock, WV |
HANCOCK COUNTY SCHOOLS NEW CUMBERLAND, WEST VIRGINIA 26047 Salary based on experience and education level per HCBOE salary schedule plus competitive benefits package equal to approximately 44% of direct compensation. HEATING AND AIR CONDITIONING TITLE: Heating and air conditioning mechanic - personnel employed at the journeyman level to install, repair and maintain heating and air conditioning plants and related electrical equipment. QUALIFICATIONS: Must be able to understand written and verbal instructions. Must have a high school diploma or a general educational development certificate. Must have a Certificate in RHVAC from an accredited technical school. Must have 3 to 5 years commercial and residential HVAC experience. Possession of valid driver's license as issued by the State of West Virginia. Must have EPA refrigerant recovery and handling Universal Certification. REPORTS TO: Director of Maintenance, Superintendent JOB GOALS: Responsible for skilled work in the installation, maintenance and repair of heating and air conditioning systems and related electrical equipment and refrigeration; and performs related work as required. PERFORMANCE RESPONSIBILITIES: A. Performs duties efficiently and productively. Must have good knowledge of the principles, practices, methods, techniques of the heating, ventilating, air conditioning, and refrigeration trade. Knowledge of low pressure steam and hot water boilers and associated controls (operating and safety) Air conditioning (window, roof top and chiller) and associated controls (operating and safety) Knowledge of direct digital controls, valves and operators, receiver controllers, thermostats, etc. Working knowledge of electricity, control theory, single and three phase; proper plumbing practices and procedures; ability to repair various style pumps, air handlers, compressors (pneumatic and refrigeration) associated bearings, bushings, sheaves (pulleys), CFC recovery; Level III or higher Construct a flare construction and swage joint. Set up and operate an oxyacetylene torch. Differentiate between soldering applications. Perform soldering applications: silver, soft and brazing. Locate and identify high and low side components of a refrigeration system. Check for moisture in systems. Install a filter dryer with flare and sweat fittings. Install liquid indicator in a liquid line. Place service valves in the front seat, gauge, and back seat positions. Analyze temperature-pressure operations. Evacuate a refrigeration system Pressurize a system with dry nitrogen and refrigerant, locate and repair leaks Change a system on both the high and low side Check compression operation Remove and replace compressor parts in a refrigeration system. Service a fan motor Remove and replace a compressor Replace a capillary tube Diagnose and repair electrical circuits Remove and replace temperature controls Check, remove, and replace a defrost and mullion heater. Check, remove, and replace a defrost timer. Remove and replace the defrost termination thermostat Locate and repair an evaporator leak Replace refrigerator relay Adjust the superheat Install a pump down control system Adjust the high and low pressure controls of a commercial system Replace a defrost control Braze joints in repair of refrigeration tubing Repair and replace a solenoid valve Sketch and construct series and parallel circuits and calculate circuit valves Measure the start-run-common windings of a single-phase compressor Measure wattage Determine the microfarad rating of capacitors Use electrical test equipment Troubleshoot electrical circuits Troubleshoot a magnetic starter and coil Apply codes given in the National Electric Code (NEC) book Check voltage and amps Adjust heat anticipator on thermostat Install a single-stage heating and cooling thermostat Install a two-stage heating and cooling thermostat Wire a current delay Wire a control fan relay Use test equipment to test relays Wire a time-delay and sequencing relay Wire a contactor and/or magnetic starter Adjust/replace high and low pressure controls Check a solid-state compressor motor protector Wire a permanent split-capacitor run compressor motor. Check transformers Determine the operating wattage and phase of a motor Adjust a v-belt tension Wire a single phase/three phase motor Check the starting components of a CSR motor Replace fan blades and blower wheels Analyze a gas furnace, condensing unit, electric furnace and a domestic refrigerator wiring diagram Draw a low voltage wiring diagram for a furnace/air conditioner Sketch a schematic wiring diagram of a low-voltage control system Wire and install a window air conditioner Check the selector switch for proper operation. Clean an air conditioner window unit Remove and replace a fan motor Locate and repair a refrigerant leak on a window air conditioner Determine the temperature drop across the evaporator for residential and commercial system. Determine the temperature rise across the condenser for residential and commercial system. Test operating pressures for a residential and commercial system Service/install an evaporative blower. Repair an evaporator Wire a residential and commercial system with high voltage Check and service a water cooled condenser Balance an evaporator for adequate air flow Determine temperature rise across a gas furnace Measure and adjust incoming gas pressure to a furnace Remove and replace a fan-limit control, gas valve, transformer, and thermostats Remove, inspect, and replace a blower and motor Install and service a high efficiency gas furnace Adjust burners Check a heat exchanger for cracks Install belts Determine air flow and temperature rise across an electric furnace Determine voltage and wattage to heating element Inspect sequencing, relays, and safety devices Install and charge heat pump Install/service supplementary heat strips Check heat pumps controls Replace and adjust limit switches Check systems for leaks and repairs Remove restrictions and adjust pressure of automatic valve expansion Determine temperature rise and drop across coils. Determine operating pressures Inspect a reversing valve Remove and replace common defrost controls Remove, replace, and adjust outdoor thermostats Inspect circulating pumps Test low water switches Replace automatic expansion valves. Proper handling of motor vehicles Pushing and pulling a minimum of 100 lbs. Lifting and moving a minimum of 100 lbs. Bending, crawling and kneeling in small spaces. Climbing stairs and ladders. Performs any duties which may be assigned by the administration. To follow county policy and procedures. B. Maintains and/or upgrades skills. Participates in required in-service training. C. Maintains positive work habits. Have the ability to develop and maintain an effective working relationship with others. Promote positive public communications Maintains positive work attitude and habits. Maintains a professional appearance. Is the punctual and minimizes absences Takes initiative in performing assigned tasks EVALUATION: Performance of this job will be evaluated twice a year for employees with a continuing contract and three times a year for employees with a probationary contract. This is in accordance with provisions of the Hancock County Board of Education Policy on Evaluation of Service Personnel.