To perform hands-on preventive, breakdown, cleaning, servicing, filter replacement, and routine maintenance of AHUs under the guidance of the HVAC/AHU Specialist, ensuring reliable operation of cleanroom HVAC systems.

Key Responsibilities 1. AHU Preventive Maintenance • Perform hands-on preventive maintenance of AHUs as per approved schedules.

- Inspect and maintain: o Fans and motors o Bearings o Belts and pulleys o Filters o Cooling/heating coils o Dampers o Actuators o Drain trays o Valves o VFDs o AHU panels • Carry out lubrication, belt tensioning, alignment, cleaning, and component replacement.
- AHU Cleaning & Filter Maintenance • Carry out routine AHU cleaning and housekeeping.
- Clean pre-filters and other washable filters as per schedule.
- Assist in replacement of fine filters and HEPA filters under approved procedures.
- Monitor filter condition and differential pressure.
- Maintain filter cleaning/replacement records.
- Ensure proper cleaning practices to avoid contamination of cleanroom systems.
- Air Balancing & Pressure Maintenance • Assist the HVAC specialist in air balancing and pressure balancing.
- Take airflow and pressure readings using appropriate instruments.
- Adjust dampers as instructed to achieve required airflow and pressure conditions.
- Assist in troubleshooting room pressure and airflow deviations.
- Maintain readings and balancing records. 4.

Breakdown

Maintenance • Attend AHU breakdowns and assist in troubleshooting.
- Identify abnormal noise, vibration, temperature, airflow, pressure, and motor-related problems.
- Carry out corrective maintenance under the direction of the HVAC specialist.
- Respond quickly to critical HVAC breakdowns affecting production or cleanroom conditions.
- Electrical & Control Maintenance • Carry out basic electrical maintenance of AHU motors, starters, contactors, VFDs, control panels,



and associated components.
- Assist in troubleshooting sensors, actuators, control valves, and other HVAC instrumentation.
- Monitor AHU alarms and indications through local HMI/BMS systems where applicable.
- Documentation & Safety • Complete PM checklists and maintenance records.
- Record filter cleaning/replacement, equipment parameters, and breakdown activities.
- Follow GMP, EHS, SOP, LOTO, Permit-to-Work, and cleanroom maintenance requirements.
- Use appropriate PPE and safe working practices.
- Maintain good housekeeping in AHU rooms and work areas.

Preferred Technical Experience

Candidates with hands-on experience in AHU/HVAC maintenance from companies such as:
- Blue Star • Voltas • ZECO • Edgetech • FläktGroup • Advance Aircon • Waves • Other reputed AHU/HVAC service and maintenance organizations will be preferred.

Required Skills • Solid hands-on AHU maintenance capability.
- Basic understanding of HVAC and refrigeration systems.
- Knowledge of fans, motors, belts, bearings, filters, coils, dampers, valves, and AHU components.
- Basic understanding of electrical panels and HVAC controls.
- Ability to use basic maintenance and measuring instruments.
- Willingness to work in cleanroom/AHU areas and during breakdown/emergency situations.
- Good safety and GMP awareness.

Key Performance

Indicators (KPIs) • AHU availability and reliability.
- Preventive maintenance compliance.
- Timely completion of filter cleaning/replacement.
- Reduction in AHU breakdowns and downtime.
- Timely resolution of HVAC-related breakdowns.
- Maintaining required room pressure and airflow conditions.
- Reduction in recurring AHU failures.
- Compliance with cleanroom, GMP, safety, and validation requirements.
- Accuracy of AHU maintenance and filter records.
- Successful transition from external AMC to effective in-house AHU maintenance.

📌 Executive (Ankleshwar)
🏢 Cadila Pharmaceuticals
📍 Ankleshwar