سفيان جميل

​Installation & Commissioning: Installed, leveled, and commissioned split AC units, Fan Coil Units (FCUs), and Air Handling Units (AHUs) in compliance with manufacturer specs and structural codes.
​Diagnostic Troubleshooting: Diagnosed and resolved complex mechanical and electrical faults in FCUs and AHUs, including compressor failures, sensor malfunctions, and airflow restrictions.
​Preventive Maintenance: Executed scheduled PMs, including coil cleaning, belt alignments, filter replacements, and motor lubrication, to optimize system efficiency and lifespan.
​Refrigerant & Piping Management: Performed precision copper pipe brazing, pressure testing, vacuuming, and accurate refrigerant charging (R\text\{-\}410A/R\text\{-\}22) for split systems and DX AHUs.
​Controls & Electrical Integration: Wired and integrated thermostats, actuators, 2-way/3-way modulating valves, and control boards to ensure seamless BMS communication.
​Airflow & Static Pressure Optimization: Monitored and adjusted blower speeds, pulley alignments, and damper settings to maintain design static pressure and CFM requirements

Attending the complaints individually
and solve the problems.
+ instalation maintenance and troubleshoating spi ust
+ Maintenance and troubleshooting of AHU unit King AW, Patel
Power and control wiring of all ype Split A/C & AHU unit
Making daily progress report
Installation of refrigerator and spit A/C compressors.

1) Installation & Setups: Installed and commissioned major household appliances (washers, dryers, refrigerators, ovens, and HVAC units) in strict compliance with electrical, gas, and plumbing codes.
2) Advanced Diagnostics: Troubleshot complex electrical, electronic, and mechanical failures, reading schematics to quickly pinpoint and replace faulty control boards, motors, and heating elements.
3) Maintenance & Repair: Restored malfunctioning appliances to peak efficiency, performing drum belt replacements, compressor tests, gas leak checks, and water valve repairs.
4) Customer Service & Safety: Managed on-site customer visits, explaining repairs clearly, providing accurate cost estimates, and ensuring all completed work met strict safety standards.