Technical Support Role – Required Capabilities
HVAC & Chiller Expertise
Practical work experience with HVAC system with various York chiller models, primarily YK, YVAA, YMC2, and YZ chillers.
Hands on Experience in commissioning of numerous chillers like Mag bearing, Cetri, Screw, Scroll with different type of refrigerant R-22, R-134a, R407,R123, R1233ZD, R513A
Hands on Experience in conducting the chiller PM activity for various model chillers.
Good knowledge on AHUs, FCU, Cooling towers, water Pumps, EC fans used in the HVAC system.
Capable to handle the critical issues by taking quick appropriate decision with action plans to resolve the issues.
Electrical & Electronics Expertise
Ability to test and diagnose power electronic components such as Diode,SCRs, IGBTs, capacitors, and inductors.
Able to understand the Circuit Breaker settings and provide the cable sizing
Understand the root cause of the power electronic components failure and be able to prepare the root cause analysis for the failure.
Able to test and identify defective components at the PCB level in advanced multilayer electronic boards
Able to troubleshoot the various types of motor used in the chiller application and AHUs
Able to understand the various types of control logic used in chiller microcontrollers.
Capable of programming and debugging software for microprocessor-based controllers and PLC-based controllers
VSD starter & Troubleshooting
In-depth understanding of Variable Speed Drive (VSD) starter application, benefits in chiller, terminology and working principles.
Skilled in troubleshooting York starter models used in chillers, including D-Drive, Vyper, Hyper, and Python drives.
Knowing the importance of the Harmonic Filter in the VSD application and its function and troubleshooting.
Refrigeration System and Performance testing Knowledge
Strong understanding of refrigeration systems and capability to troubleshoot issues using operating data, History data or SD card data from chillers.
Able to interpret and analyze Pressure-Enthalpy (P–H) diagrams to evaluate refrigeration cycle performance, identify system inefficiencies, and assist in troubleshooting issues related to compressors, evaporators, and condensers
Chiller performance testing and field troubleshooting of performance related issues.
Understanding of psychrometry and its application in the HVAC industry
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