Job Description
Title
HVAC&R Technician

Description

A/C SYSTEM DIAGNOSIS AND REPAIR

  • Diagnose unusual operating noises in the A/C system; determine needed repairs. Conduct a performance test of the A/C system, a leak test of the A/C system and determine needed repairs. Inspect the condition of discharged oil. Select oil type, measure and add oil to the A/C system as needed.

REFRIGERATION SYSTEM COMPONENT DIAGNOSIS AND REPAIR

  • Diagnose and correct compressor and clutch problems. Diagnose A/C system problems that cause the protection devices (pressure, thermal, and PCM) to interrupt system operation and determine needed repairs. Inspect A/C compressor drive belt and tensioner; replace and adjust as needed. Inspect, test and replace A/C compressor clutch components or assembly. Remove and replace A/C compressor and mountings. Inspect and replace A/C compressor shaft seal assembly.
  • Diagnose and correct evaporator, receiver/drier, condenser problems. Diagnose A/C system plems caused by too much moisture in the refrigerant and determine needed repairs. Install A/C system filter. Remove and inspect A/C system mufflers, hoses, lines, fittings, o-rings, seals and service valves; replace as needed. Inspect A/C condenser for air flow restrictions; service as required. Inspect receiver/drier or accumulator/drier; replace as needed. Inspect and test expansion valve or orifice (expansion) tube; replace as needed. Inspect evaporator housing water drain; repair as needed.

HEATING AND ENGINE COOLING SYSTEMS DIAGNOSIS AND REPAIR

  • Diagnose temperature control problems in the heater/ventilation system. Perform cooling system, cap and recovery system tests (pressure, combustion leakage, and temperature); determine needed repairs. Inspect engine cooling and heater system hoses and belts; replace as needed. Inspect, test and replace thermostat and housing. Determine coolant condition; drain and recover. Flush system and refill with recommended coolant; bleed system. Clean, inspect and test fan, fan clutch (electrical and mechanic), fan shroud and air dams; replace as needed. Inspect and test heater control valve(s); replace as needed.

OPERATING SYSTEMS AND RELATED CONTROLS DIAGNOSIS AND REPAIR

  • Inspect, diagnose and repair electrical components. Diagnose failures in the electrical controls of heating and A/C systems; determine needed repairs. Inspect and test A/C heater blower, motors, resistors, switches, relays, wiring and protection devices; repair or replace as needed. Test A/C compressor load cut-off systems; determine needed repairs.
  • Inspect, diagnose and repair vacuum/mechanical components. Diagnose failures in the vacuum/mechanical controls of the heating and A/C system; determine needed repairs. Inspect and test A/C heater control panel assembly; replace as needed. Inspect and test A/C-heater control cables and linkages; adjust or replace as needed. Inspect and test A/C-heater vacuum control switches, hoses, diaphragms (motors), vacuum reservoir, check valve, and restrictors; replace as needed. Inspect and test A/C-heater ducts, doors, hoses and outlets; replace as needed.
  • Inspect, diagnose and repair automatic and semi-automatic temperature controls. Check operation of automatic and semi-automatic heating, ventilation, and air-conditioning (HVAC) control systems; determine needed repairs.

REFRIGERANT RECOVERY, RECYCLING AND HANDLING

  • Safely recover and recycle refrigerant chemicals. Verify correct operation and maintenance of refrigerant handling equipment. Identify and recover A/C system refrigerant. Recycle refrigerant. Label and restore refrigerant. Test recycled refrigerant for non-condensable gases. Evacuate and charge A/C system.
  • Applicant posses the technical practices of Heating, Ventilation, Air Conditioning, and Refrigeration (HVAC&R) electric, electronic direct digital controls (DDC), and pneumatic controls systems and has held a journeyman A/C Mechanic position.
  • Programming, troubleshooting and calibration of electronic and pneumatic HVAC&R control loops.
  • Ability to interpret instructions, specifications, and read as-built control drawings of HVAC&R systems and equipment.
  • Knowledge of materials and devices associated with HVAC&R controls systems and equipment.
  • Ability to use tools and equipment associated with the calibration, troubleshooting maintenance and repair of HVAC&R controls.
  • Knowledge of equipment assembly, installation, and repair of HVAC&R

    • Comments
      N/A

      Posted:
      Tuesday, August 28, 2007

      Please feel free to submit your resume to be considered by Prompt Service.
      All communication should be addressed to Alex G., HR Manager.
      Email: careers@promptserviceappliance.com
      Phone: 323-730-8910
      Fax: 323-730-8150
      Prompt Service is an equal opportunity employer.