Knott Mechanical | HVAC Installation Tech I
15634
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Career Developmental Objectives

 

Competently perform job duties/functions on a day-to-day basis and regularly meet expectations and job description requirements. Which are as follows:

 

Duct Work

 

  • Must be able to put duct work together and properly seal it must be able to insulate and hang it

 

Flex duct diffusers and grills

 

  • Must know how to run, hang and connect flex duct and different kinds of diffusers.

 

Hang equipment

 

  • Must know the best place to hang equipment so that it can be serviced. Must know how to hang equipment in concrete and bar joist.

 

Brazing and soldering

 

  • Must know how to braze and solder different types of material. Must know what type of brazing rods to use .Must know how to use nitrogen inside of pipes to keep pipe clean.

 

Air balance

 

  • Must be able to use flow hood and adjust dampers to give proper flow to each diffuser. Must be able to calculate total unit cfm to make sure ductwork is designed properly.

 

Condensate drains

 

  • Know how to size and run condensate lines. Know how to size traps and install clean-outs and check valves where needed. Must know how to run condensate pump discharge line.

 

Gas pipe

 

  • Must know how to run gas pipe and install drip legs, unions, regulators and supports as needed. Needs to know how to install an inverted trap on vents for regulators. Need to be able to adjust gas pressure going to unit when using a regulator.

 

Flue pipe

 

  • Must know how to install flue pipe. Must know proper size and pitch of pipe. How to install draft hoods dampers and draft dampers .Also must know how to size and install PVC flues for condensing furnaces.

 

Pressure test refrigerant systems

 

  • Must know how to pressure test and leak check systems with nitrogen. Must know how to use different types of leak detectors.

 

Reclaim refrigerant

 

  • Must know how to properly reclaim weigh and return used refrigerant. Must have CFC license and know how to log the refrigerant into the computer.

 

Evacuation

 

  • Must know how to evacuate a system down to the proper micro level. Must know how to break the vacuum with nitrogen. Must know how to maintain vac pump and when to change the oil.

 

Low voltage wiring

 

  • Must know how to wire both conventional and heat pump thermostats. Must know how to wire smoke detectors and remote sensors. Should be able to reach schematics. Need to know when to use plenum wire.

 

High voltage

 

  • Must know how to wire units neatly and to code .Must know how to lock out tag out and work on units safely.

 

Cooling
  • Consider your basic to intermediate ability to maintain, and assist with the service and repair of a variety of cooling systems to include the following:
    • DX and chilled water equipment including RTU’s, split systems, self-contained water cooled, ductless splits/VRF systems, chillers, cooling towers, dry coolers/ evaporative coolers and WSHP’s.

 

Air Distribution:
  • Consider your basic to intermediate ability to maintain, and assist with the service and repair of a variety of air distribution systems to include the following:
    • VAV/VVT systems, ERV’s/HRV’s, fans/blowers, ductwork, dampers, air filtration, airflow measurements and air quality measurements.

 

Electrical/Controls
  • Consider your basic to intermediate ability to maintain, and assist with the service and repair of a variety of electrical and control devices to include the following:
    • Mechanical electrical components (contactors, transformers, fuses etc.), solid states components, motors, motor controls, VFD’s, DDC, pneumatic controls, thermostats, unitary control hardware/software and building automation systems.

 

Heating
  • Consider your basic to intermediate ability to maintain, and assist with the service and repair of a variety of heating systems to include the following:
    • Gas and oil fired equipment including forced air furnaces, WSHP’s, electric heat, humidifiers, water and steam boilers, direct/indirect fired MUA’s & ARU’s and venting requirements.

 

 

All requirements of HVAC Installation Tech I

 

  • Advanced understanding and basic troubleshooting skills on all types of equipment we install
  • Ability to read and understand factory O&Ms
  • Ability to read prints and layout ductwork, piping, and unit location based on blueprint values
  • Safely and proficiently operate specialty equipment such as scissor lifts, articulating boom lifts, petty boom lifts, fork lift trucks, and specialty tools such as gas powered cut saws etc.
  • Be familiar with industry nomenclature and have knowledge of the different types of fastening and equipment mounting systems that are on the market