Unit 3698: Solar Photovoltaic (PV) Systems Installation and Maintenance

1. Introduction to Solar PV Systems

• Overview of solar photovoltaic technology
• Key components: solar panels, inverters, batteries, charge controllers
• Types of solar panels: monocrystalline, polycrystalline, thin-film
• Basic functionality and energy conversion process

2. Site Assessment and Design Considerations

• Importance of site assessment
• Evaluating site orientation and azimuth
• Impact of shading and methods of shading analysis
• Roof pitch and structural considerations
• Determining system size based on energy needs and site constraints

3. Electrical Basics for Solar PV Installers

• Electrical fundamentals: voltage, current, resistance, power
• Series and parallel circuits
• Ohm’s Law and its applications
• Understanding DC vs AC systems
• Introduction to circuit design for solar PV

4. Safety Procedures in Solar PV Installation

• Personal protective equipment (PPE) requirements
• Electrical safety protocols
• Safe handling of solar panels and batteries
• Lockout/tagout procedures
• Emergency response and first aid

5. Tools and Equipment for Solar PV Installation

• Common tools: multimeters, wire strippers, crimpers, drills
• Specialized equipment: solar pathfinders, insulation testers
• Proper usage and maintenance of tools
• Calibration and safety checks

6. Mounting and Racking Systems

• Types of mounting systems: roof mounts, ground mounts, pole mounts
• Components of racking systems
• Fixed vs tracking systems: advantages and applications
• Installation procedures and structural considerations

7. Wiring and Connection of Solar PV Components

• Wiring solar panels in series and parallel
• Connecting panels to inverters and charge controllers
• Battery bank wiring and management
• Cable management and protection
• Standards and best practices for wiring

8. System Commissioning and Testing

• Pre-commissioning checklist
• Testing for electrical continuity and insulation resistance
• Performance testing: voltage, current, power output
• Safety compliance verification
• Documentation and reporting

9. Maintenance and Troubleshooting of Solar PV Systems

• Routine inspection procedures
• Cleaning and upkeep of panels
• Identifying common faults and failures
• Troubleshooting electrical and mechanical issues
• Record keeping and preventive maintenance

10. Regulations and Permitting for Solar PV Installations

• Overview of relevant local and national codes
• Permitting process and documentation
• Interconnection agreements with utilities
• Environmental and safety regulations
• Compliance and certification requirements