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Candidate must have a minimum of 5 years of experience.
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Understands basic refrigeration cycle 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.
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Understands basic electrical theory, how electricity travels, AC and DC currents, single phase and three phase circuits, and series and parallel circuits. Ability to read basic wiring diagrams. Understanding of Ohms Law. Ability to use multi-meters to read voltage, current and resistance values. Must be able to troubleshoot basic electrical circuits.
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Understands the process of treating air to simultaneously control its temperature, humidity, and distribution. Must be able to read and understand mechanical drawings.
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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. Understands the theory of combustion and how it relates to combustible fuels such as gas and oil.
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All employees of Hoffmann Brothers must consider safety as their primary job. General knowledge of safe working practices and federal/state OSHA requirements is required as applicable.
Essential Technical Skills Required:
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Technician must be able to install, repair, adjust, maintain, and troubleshoot the following equipment:
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Reach in and Walking freezers/coolers.
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Electric Motors (3-phase and 1-phase)
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Electric motor controls (contractors, starters, relays, disconnect, thermostats, etc.)
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Commercial furnaces, boilers, burners, and related controls
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Various types of water pumps
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Unit heaters (hot water, steam and electric)
Technician must be able to proficiently perform the following tasks:
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Basic heat load calculations
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Basic heat loss calculations
Physical Demands/Working Conditions:
To adequately perform the duties of this job, the employee is regularly and routinely required to sit, stand, walk, kneel, squat, stoop hands to finger, handle controls; hear, and talk. The employee frequently is required to reach with hands and arms. The employee must be able to climb ladders, work in hot and cold environments, and work in small crawl spaces. The employee must regularly lift and/or move 50lbs and up. Specific vision abilities required by this job include close vision and the ability to adjust focus.
The work environment can vary depending on the season and scope of work – employees are required to work outdoors throughout the seasons. The work environment will subject employees to continual interruptions and changing priorities. Effective, consistent, and constant communication with customers, vendors, co-workers, and others is required.