Commercial Service Technician

Job Description       

Job Title: Commercial Service Technician

Department:           Commercial Service

Job Relationship:  Supervised by Service Manager and Technical Advisor

Responsibilities:

·         Present positive image to customers, co-workers, and other all the time

·         Follow all service department and company policies and procedures

·         Follow all company safety policies

·         Attend training to improve knowledge of the HVAC industries

·         Perform preventative maintenance – Spot up coming problems, i.e. contractors, relay coils, over amping devices, loads, transformers, motors, etc

·         Electrical trouble shooting – Must be able to read all types of wiring diagrams, ladder, schematic, parallel, series circuits.

·         Must understand all phases of line voltage, single phase, three phase and part start windings, two speed motors, variable frequency drives

·         Know all aspects – General fan laws, rpm, speed, how to increase or decrease amperage draw based on pulley or sheave changes and belt sizing to accommodate changes made

·         Know how to calculate CFM based on heat rise or static pressure method

·         Know all aspects of piping – Refrigerant, water gas, condensate, pumps, valves, single two pipe, bypass circuits, modulating valves, circuit setters, etc

·         Know water source equipment – Water cooled condensers, chillers, cooling towers, fluid coolers, basic understanding of water treatment

·         Have a good working knowledge of how to calculate wire size, fuses, and circuit breakers, low and line voltage loads

·         Must be able to install, set up program common DDC controls, i.e. Carrier, Trane, etc

·         Must understand the difference and the basic operation of VAV and VVT boxes

·         Know all types of thermostats, low and line voltage, standard, programmable, digital, time clocks

·         Know how to perform leak detection – Water, refrigerant

·         Have knowledge of semi-hermetic compressors of all types – How to change un-loaders, valves, and valve plates internal bypass plugs. Properly diagnose all types of failure, both mechanical and electrical

·         Need to understand relationships of temperature, pressure, humidity and the effects they all have on comfort and quality indoor air control

·         Have an understanding of how test and balance is performed and why it is important to the overall effectiveness to build pressures, comfort and short and long term building condition

·         Must be able to diagnose, repair any and all types of no heating / cooling calls as requested

·         Must have all necessary tools to perform the above tasks listed in the job description

 Required Qualifications:

·         High School Diploma or equivalent

·         EPA Certified

·         Refrigerant Certified

·         Must be able to read/write and speak fluent the English language

·         Minimum of two plus (2+) year’s experience in the HVAC trade

·         The ability to work independently without supervision

·         Strong Mechanical Skills

·         NATE certified technician preferred

·         Bi-lingual applicants encouraged to apply

Work Environment:

Physical activities of standing, balancing, climbing stairs and ladders.  Must be comfortable working from heights (over 20 feet is common). Walking and lifting weight of 50 lbs. or more are required in daily performance of job. Use of upper extremities required for forward and overhead reaching, pushing, pulling and material handling. Use of torso and lower extremities required for kneeling, crawling, stooping, twisting and squatting.