HVAC TECHNICIAN II

SUMMARY

Primarily responsible for performing installs, repairs and maintenance to a variety of equipment including: refrigeration, air conditioning, electric motors, heating units, heat pumps, hermetic compressors, light commercial furnaces, boilers, burners, intake and exhaust fans, economizers, humidifiers, capacity controls, semi-hermetic compressors, split systems, flame safeguard controls, air compressors, air driers, and packaged units.

ESSENTIAL TECHNICAL KNOWLEDGE REQUIRED:

1. Fully understands the basic refrigeration cycles to include: identifying components in refrigeration circuit, understanding how each component works, diagnosing problems in the refrigeration circuit, using manifold gauge set, pressure/temperature chart and temperature measuring devices for routine maintenance and to troubleshoot. Understands refrigeration recovery, evacuation and charging, understands the installation and sizing of refrigerant piping.
   
2. Fully understands basic heating cycle to include: identifying components in heating system, understanding how each component works, diagnosing problems in the heating system using a gas pressure test and other devices for routine maintenance and to troubleshoot. Fully the basic understands the theory of combustion and how it relates to combustible fuels such as gas and oil.
   
3. Fully understands electron theory, how electricity travels, AC and DC currents, single phase and three phase circuits, and series and parallel circuits. Ability to read wiring advanced wiring diagrams. Knowledge of Ohms Law. Ability to use multi-meters to read voltage, current and resistance values. Must be able to troubleshoot advanced electrical circuits.
   
4. Fully understands the fundamentals of temperature and humidity measurement and control in air conditioning units. Understands the process of treating air so as to simultaneously control its temperature, humidity, cleanliness and distribution. Ability to use a psychometric chart to determine the results of mixing air having various properties.
   
5. Fully understands the basics of multiple systems and how each component with in the system operates in conjunction with the other components and how that impacts the overall operations of the system as a whole. These systems include air cooled, water cooled, hot water systems, chilled water systems, VAV systems, steam heating systems.
   
6. Basic knowledge of Windows operating system
   

ESSENTIAL WORK SKILLS REQUIRED:

1. Must possess excellent time management skills
2. Must have excellent written communications skills
3. Must have excellent oral communications skills
4. Must have the ability to juggle multiple tasks
5. Must be able to deal with difficult people.
6. Must have excellent organizational skills
7. Must be able to work with and give direction to Technician I
8. Must be able to work well with others and

ESSENTIAL TECHNICAL SKILLS REQUIRED:

A Technician II must be able to repair, adjust, maintain, retrofit and troubleshoot the following equipment:

1. Refrigerant controls (metering devices)
2. Hermetic and semi-hermetic compressors
3. Heat pumps to 25-ton
4. Split systems to 50-ton
5. Packaged units to 50-ton
6. All types and sizes of ductless splits
7. Electric Motors (3-phase and 1-phase)
8. Electric motor controls (contractors, starters, relays, disconnects, thermostats, etc.)
9. Light commercial furnaces, boilers, burners and related controls (oil and gas)
10. All types and sizes of water pumps
11. Intake and exhaust fans
12. Unit heaters (hot water, steam and electric)
13. Economizers
14. Humidifiers
15. Capacity Controls (unloader, hot gas bypass valves, fan cycling controls, motor masters)
16. Flame safeguard controls
17. Air compressors,
18. Air driers
19. Reciprocating chillers
20. VAV’s systems
21. VAV controls
22. VAV terminal boxes
23. Large Gravity type boilers
24. Large Power flame type boilers
25. Variable frequency drives
26. Various types and sizes of cooling towers
27. Various types and sizes boilers
28. Various types and sizes steam generators
29. Various types of static pressure controls
30. Pneumatic control systems
31. Various types and sizes of computer room systems
32. Various types and sizes glycol cooling systems
33. Understanding of variable frequency drives

A Technician II must be able to proficiently perform the following tasks

1. Soldering
2. Brazing
3. Combustion analysis
4. Heat load calculations
5. Heat loss calculations
6. Cooling load calculations
7. Basic navigation thru multiple building automation controls systems

ESSENTIAL DAILY JOB DUTIES AND RESPONSIBILITIES:

1. Check in with office for scheduled jobs after the completion of each job and at the end of each work day.
2. During and or at the end of each task complete all company provided forms to the fullest extent possible.
3. Responsible for time management of jobs scheduled each day.
4. Check in with client at the beginning and end of each task.
5. Obtain client signature on company provided forms where applicable.
6. Upon completion of each task record time spent at each job on the weekly time sheet.
7. Hand in paperwork at the end of each week for processing in sequential order.
8. Ensure all vendor packing slips or invoices for each job are secured to the related job forms.
9. Ensure all materials used for each task are listed properly on the company provided forms.
10. Assist on job sites with other Knott Mechanical technicians as needed.
11. Answer all office pages/calls in a timely manner.
12. Check in as needed to ensure office dispatcher and/or field supervisor are aware of your status.
13. Secure parts and tools needed throughout the day for various jobs as required.
14. Call in repairs to the estimator or field supervisor and provide the necessary info needed to quote the repair, and fill out the appropriate quote forms as required.
15. Consult field supervisor or dispatcher in times of uncertainty.

ESSENTIAL OVERALL JOB DUTIES AND RESPONSIBILITIES:

1. Must be able to build client confidence in company.
2. Provide information to management on training needs and courses of interest.
3. Responsible for the daily preparation of the parts and tools for each day’s activities.
4. Complete work in a timely and workman like manner.
5. Coordinate with dispatcher for the use of company tools and ensure they are returned to the office in a timely manner
6. Participate in company–wide internal meetings as required.
7. Maintain company tools in a professional manner

EDUCATION AND WORK EXPERIENCE:

1. Must have an Apprentice License and EPA Certification and at least six (6) years of trade-related work experience, OR
2. Any similar combination of education and experience.
3. Must have a high school diploma or equivalent GED certificate
4. Manufacturers equipment certifications
5. Multiple seminar certifications

ADDITIONAL REQUIREMENTS:

1. Excellent logistical knowledge of the Baltimore Metropolitan area and surrounding counties.
2. Must be able to drive to local job sites on a daily basis.
3. On-call and overtime hours as needed.
4. Good hygiene and cleanliness is required at all times.
5. Must adhere to the company uniform policy.
6. Maintain a clean vehicle and make office aware of maintenance issues.
7. Follow rules and regulations as described in the company Handbook