Position Overview : The HVAC Service Engineer (Chillers Specialist) is responsible for the installation, commissioning, maintenance, and troubleshooting of HVAC systems with a primary focus on industrial and commercial chillers . This role ensures high system uptime, operational efficiency, and compliance with safety and environmental standards.

Key Responsibilities : 1. Chiller Installation & Commissioning :

- Install, test, and commission water‑cooled and air‑cooled chillers , including screw, scroll, and centrifugal models.
- Configure and calibrate control panels, sensors, and safety devices.
- Conduct system performance checks including delta‑T measurement, flow rate verification, and pressure testing.

2. Chiller Maintenance & Repair :

- Perform routine and preventive maintenance on chiller plant components such as:

- Compressors

- Heat exchangers (evaporator & condenser)

- Cooling towers

- Pumps, motors & VFDs

- Expansion valves & refrigerant circuits

- Handle refrigerant charging, leak detection, and recovery per EPA/ASHRAE standards.

- Conduct chemical cleaning, descaling, and tube brushing of condenser & evaporator tubes.

3. Diagnostics & Troubleshooting :

- Diagnose faults using advanced tools like:

- Manifold gauges

- Vibration analyzers

- IR thermography

- BMS/PLC control systems

- Resolve major issues such as chiller trips, high/low-pressure faults, oil circuit problems, and refrigerant imbalance.

- Interpret wiring diagrams, control schematics, and OEM manuals.

4. Chiller Plant Operations :

- Monitor and optimize chiller plant parameters:

- COP / kW‑TR

- Water flow balance

- Chilled water and condenser water temperatures

- Energy efficiency

- Ensure integrated operation with AHUs, FCUs, and ventilation systems.

5.



Documentation & Reporting :

- Prepare detailed service reports, maintenance logs, and breakdown analysis.
- Maintain records of refrigerant usage, spares, and critical consumables.
- Provide recommendations for system upgrades and energy efficiency improvements.

6. Client Interaction :

- Explain technical findings to clients and provide preventive maintenance guidance.
- Ensure qualified behavior and maintain strong customer relationships.
- Train client teams on basic chiller system care and safe operation.

Required Skills & Competencies : Technical Skills :

- Strong expertise in Chiller systems (air‑cooled, water‑cooled, centrifugal, screw, scroll).
- Knowledge of refrigeration cycle , psychrometrics, and HVAC electrical circuits.
- Experience with BMS/PLC-based chiller plant controls.
- Hands-on skills with pumps, valves, cooling towers, heat exchangers, and hydronic balancing.
- Troubleshooting capabilities for VFDs, control panels, and automation systems.

Soft Skills :

- Strong analytical and troubleshooting skills.
- Customer service orientation.
- Good communication and teamwork.
- Ability to work in high-pressure, onsite environments.

Qualifications :

- Diploma in Mechanical, Electrical, HVAC, or Refrigeration.
- 3-7 years of experience specifically with Chiller servicing (depending on role level).
- Certification in HVAC/R, chiller servicing, or related specialization (preferred).
- Knowledge of safety protocols, pressure vessel standards, and refrigerant regulations.

Work Conditions :

- On-site field role (commercial buildings, manufacturing units, data centers, hospitals, malls, etc.).
- Requires physical mobility, lifting, confined space access, and working at heights.
- May involve rotational shifts or emergency service calls.

📌 Hvac Equipment Service Technician 3 (Ahmedabad)
🏢 Johnson Controls
📍 Ahmedabad