Patricio Lazarte

Technical Experience – HVAC Control Technician / Building Automation Specialist

1. Installation of Temperature Sensors in Air Ducts

• Performed installation of temperature sensors in supply and return air ducts.
• Identified optimal measurement points for accurate readings.
• Secured sensors mechanically and routed cabling to HVAC controller or BMS.
• Verified sensor operation and configured reading parameters.

2. Mounting and Installation of CO₂ Sensors

• Installed carbon dioxide (CO₂) sensors in occupied spaces such as offices and meeting rooms.
• Ran electrical wiring and connected sensors to automated control systems.
• Calibrated sensors to ensure accurate indoor air quality monitoring.
• Integrated sensors into the BMS for demand-controlled ventilation.

3. Installation of Room Sensors (Temperature and Humidity)

• Mounted space sensors in indoor areas following best practices for sensor placement.
• Connected sensors to local controllers or the centralized building management system (BMS).
• Configured setpoints and verified real-time readings remotely.
• Enhanced HVAC performance by ensuring accurate comfort zone monitoring.

4. Sensor Integration and Configuration with BMS

• Connected and configured sensors using analog signals (0–10V / 4–20mA) or digital protocols (Modbus, BACnet).
• Programmed sensor input points in the BMS software.
• Performed signal scaling and functional testing for live monitoring.
• Troubleshot and resolved communication issues as needed.

5. Preventive Maintenance and Sensor Calibration

• Carried out routine maintenance procedures for installed sensors.
• Cleaned devices, inspected connections, and recalibrated using reference instruments.
• Logged technical readings before and after calibration.
• Ensured reliable sensor data for energy-efficient HVAC control.

6. Cable Routing and Wiring for Control Systems

• Installed conduits, cable trays, and routed low-voltage control wiring for sensors and devices.
• Labeled and identified wiring according to electrical schematics.
• Performed continuity and insulation resistance testing.
• Applied proper low-voltage and control wiring installation practices.

• Worked from ladders, scaffolds and lifts to install, maintain, or repair electrical wiring equipment and lighting fixtures in ceilings, on roofs and on towers.
• Installed and wired electrical transformers, service panels, and circuit breakers.
• Installed, maintained, repaired, and tested equipment for electricity generation and utilization.
• Planned layout and installation of electrical wiring, equipment, and fixtures based on specifications and applicable code.
• Performed complete electrical installations including ligthing systems , outlets , swiches , paneles and grounding systems
• Interpreted and executed electrical blueprints, diagrams, and technical specifications.
• Bend and installed conduit systems ( PVC , EMT and flexible conduit) and performed secure wiring terminations

Installation of Outlets and Lighting Fixtures

• Installation of power outlets, switches, and LED lighting in homes, offices, or commercial spaces.
• Replacement of old devices with energy-efficient models.

Electrical Panel Maintenance

• Cleaning and tightening of connections in main and sub-panels.
• Replacement of faulty breakers or installation of missing protections.

Ceiling Fan or Exhaust Fan Installation

• Safe mounting and wiring of ceiling fans in rooms, bathrooms, or kitchens.
• Wiring from an existing point or creating a new circuit if needed.

Repair of Residential or Small Commercial Electrical Circuits

• Troubleshooting short circuits, open circuits, or phase loss.
• Repairing damaged cables, loose connections, or faulty switches/outlets.