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Energy Air

Commercial Service Technician

Energy Air, Orlando, Florida, us, 32885

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Responsibilities: Present a positive image to customers, co-workers, and others at all times

Follow all service department and company policies and procedures

Adhere to all company safety policies

Attend training to improve HVAC industry knowledge

Perform preventative maintenance; identify potential issues (e.g., contactors, relay coils, over-amping devices, loads, transformers, motors)

Perform electrical troubleshooting; able to read various wiring diagrams (ladder, schematic, parallel, series circuits)

Understand all phases of line voltage (single phase, three phase, part start windings, two-speed motors, variable frequency drives)

Understand general fan laws: RPM, speed, how pulley or sheave changes and belt sizing affect amperage draw

Calculate CFM using heat rise or static pressure method

Understand piping systems: refrigerant, water, gas, condensate, pumps, valves (single/two-pipe systems, bypass circuits, modulating valves, circuit setters)

Understand water source equipment: water-cooled condensers, chillers, cooling towers, fluid coolers, basic water treatment knowledge

Calculate wire sizes, fuses, and circuit breakers for both low and line voltage loads

Install and program common DDC controls (e.g., Carrier, Trane)

Understand operation differences between VAV and VVT boxes

Identify and work with all types of thermostats: low/line voltage, standard, programmable, digital, and time clocks

Perform leak detection for water and refrigerant systems

Possess knowledge of semi-hermetic compressors (change unloaders, valves, valve plates, internal bypass plugs; diagnose mechanical and electrical failures)

Understand relationships between temperature, pressure, humidity, and their effects on indoor air comfort and quality

Understand the purpose and process of test and balance for building performance, pressure control, and comfort

Diagnose and repair all types of heating and cooling issues as required

Possess all necessary tools to complete tasks listed in the job description

Qualification: Physical activities include standing, balancing, climbing stairs and ladders

Must be able to walk and lift 20 pounds or more as part of daily job duties

Requires use of upper extremities for forward and overhead reaching, pushing, pulling, and material handling

Requires use of torso and lower extremities for kneeling, crawling, stooping, twisting, and squatting

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