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
Power Quality Analysis
Ability to connect power analyzers to the chiller’s input power supply and interpret power quality parameters based on site data.
Capable of preparing the Power analyzer report to share with internal and external customers.
Predictive Maintenance Analysis
Competence in interpreting predictive analysis reports such as vibration analysis, oil analysis, thermography and Eddy current test and making informed decisions.
Frontline Engineer Support
Provide day-to-day technical support to frontline engineers, primarily on starters and optiview control panels, system-related issues, via calls, emails, or Teams chat.
Need to visit the site location if in case major issues and Engineer need your support
Ensuring no repeated failure issues in chillers.
Preparing check lists, log Sheets, SOP, critical spare list,
Expert in the Ms Excel, Word, PPTs
Conducting Technical Trainings to the Service team on various chillers products
Conducting Operation Training to the Customer
Managing Internal and External Customers,
Managing internal and external customer during the critical escalations.
Internal and External Customer Satisfaction with solutions and Support we provide.
Electrical Diagram Interpretation
Ability to read and understand the Electrical drawing and wiring diagrams for chiller plant and various chiller models, including starters and control panels.
BAS and Communication Protocols
Familiarity with Building Automation System (BAS) outputs and tools like Modscan, ability to interpret SC-EQ outputs, and connect laptops for diagnostics.