MEP Supervisor

Job Purpose

HVAC-VRV& DX experienced supervisor to oversee the installation, maintenance, and troubleshooting of VRV (Variable Refrigerant Volume) and DX (Direct Expansion) systems. The ideal candidate will manage a team of technicians, ensure high-quality installations, and maintain strict adherence to safety standards, ensuring the efficient operation of HVAC systems across multiple sites.

Job Responsibilities

Supervision & Leadership:

• Lead, supervise, and guide a team of HVAC technicians and mechanical helpers for the installation and maintenance of VRV and DX systems.
• Delegate tasks and manage the workflow, ensuring projects are completed on time and within budget.

Installation of VRV and DX Systems:

• Oversee the complete installation process of VRV and DX air conditioning units, including refrigerant line connections, piping, and power wiring.
• Supervise the installation of indoor and outdoor units, refrigerant piping, and electrical connections, ensuring proper refrigerant charge levels.

Refrigerant Management:

• Ensure correct handling and installation of refrigerant piping, charging of refrigerants (R-410A, R-32, etc.), and maintaining accurate refrigerant pressure levels.
• Ensure compliance with environmental regulations regarding refrigerant use and recovery.

Valves and Controls Installation:

• Oversee the installation and testing of valves such as expansion valves, solenoid valves, and isolation valves in VRV and DX systems.
• Ensure the correct installation of liquid and gas line valves for proper system functionality.
• Verify valve settings and calibration to meet operational specifications.

Power Coordination and Electrical Installation:

• Supervise the coordination of electrical power supply to units, including power cables, control wiring, and ensuring proper grounding.
• Ensure that all electrical connections are carried out as per manufacturer specifications and electrical standards.
• Ensure integration of the VRV and DX systems with the building’s electrical distribution panels and circuit breakers.

Ducting and Air Distribution:

• Oversee the installation of ducting for air distribution, ensuring proper airflow, pressure, and energy efficiency.
• Ensure air handling units (AHUs), fan coil units (FCUs), and VAVs are properly connected to the VRV or DX systems.

Commissioning & Testing:

• Lead the commissioning process for the VRV and DX systems, ensuring the systems are operating as per design specifications.
• Perform system checks, including refrigerant charging, airflow testing, and temperature checks, ensuring optimal performance.
• Conduct pressure testing of refrigerant lines to detect leaks and ensure system integrity.

Maintenance & Troubleshooting:

• Oversee routine maintenance of VRV and DX units, including cleaning filters, checking refrigerant levels, and inspecting power connections.
• Troubleshoot and resolve any issues with system performance, including compressor failure, airflow problems, refrigerant leaks, or electrical faults.

Quality Control:

• Ensure that the installation and maintenance of the systems meet the highest quality standards and are compliant with industry codes.
• Conduct regular quality control inspections, ensuring all components are correctly installed and function as intended.

Documentation & Reporting:

• Maintain accurate records of installations, service, maintenance, and refrigerant usage.
• Submit detailed reports on system performance, issues encountered, and resolutions.

Safety Compliance:

• Enforce the adherence to safety regulations and procedures, ensuring all work is done in a safe and compliant manner.
• Provide guidance on the proper use of personal protective equipment (PPE) and ensure team safety during installation and maintenance work.

Job Requirements

Education:

• Technical degree in HVAC, Mechanical Engineering, or a related field, or equivalent hands-on experience in the HVAC industry.
• Certification in HVAC systems (e.g., HVAC Technician Certificate, Certified Energy Manager (CEM)) is an advantage.

Experience:

• At least 5 years of experience in HVAC system installation and maintenance, with a minimum of 2 years in a supervisory or foreman role..

Skills:

• In-depth knowledge of VRV and DX systems, including refrigeration cycles, expansion valves, compressors, and power control systems.
• Proficiency in installing and servicing refrigerant-based systems and associated components (piping, valves, control units).
• Experience in Electrical Systems: Strong understanding of electrical systems for VRV and DX units, including wiring, circuit breakers, and control systems integration.
• Refrigerant Handling & Charging: Experience in managing refrigerant charge (R-410A, R-32, or others), leak testing, and system evacuation.
• Power Coordination & Installation: Ability to coordinate power supplies, including correct wiring, voltage control, and breaker sizing for HVAC units.
• HVAC System Integration: Experience in integrating VRV and DX systems with other building systems, including BMS (Building Management System).
• Problem-Solving: Excellent troubleshooting skills for electrical, refrigerant, and airflow-related issues in VRV and DX systems.
• Leadership: Proven ability to lead and supervise teams, ensuring high standards of installation and maintenance are met.Excellent communication skills to interact with team members, other trades, project managers, and clients.
• Ability to provide clear instructions, report technical issues, and explain system performance to clients.
• Problem-Solving & Analytical Skills
• Strong analytical skills to assess system performance, identify inefficiencies, and propose solutions for improving system reliability and energy usage.
• Ability to manage unexpected system failures and troubleshoot in real-time.