Related Manuals for LONGI LR5-54HTH-445W
Summarization of Contents
General Information
Modules Identification
Details about labels on modules: Nameplate, Current classification, Serial Number.
Junction Box and Wiring Methods
Junction Box Style and Wiring
Explains junction box types and recommended wiring methods for portrait and landscape installation.
Regular Safety
Safety Precautions
Safety precautions for module installation, especially rooftop, including PPE and environmental conditions.
Electrical and Operation Safety
Electrical Performance Safety
Safety related to DC current, electrical shock, arc hazards, and handling damaged modules.
Operation Safety
Precautions for unpacking, handling, and storing modules to prevent damage.
Fire Safety
Fire Safety Guidelines
Fire safety regulations, ratings for mono-facial and bifacial modules, and installation requirements for fire protection.
Installation Conditions
Installation Site and Working Environment
Guidelines for selecting suitable installation sites, including environmental factors like temperature, wind, snow, and corrosive substances.
Selection of Tilt Angles
Defines tilt angle and its importance for maximizing power output and managing dust accumulation.
Mechanical Installation Requirements
Regular Requirements
General requirements for mounting structures, module fixing, height adjustment for snow, gaps, and avoiding damage to module components.
Module Mechanical Installation
Module and Bracket System Connection
Details on how modules connect to bracket systems using mounting holes, clamps, or embedded systems.
Bolts Mounting
Information on mounting holes for M6 and M8 bolts and applicable module types.
Clamps Mounting
Clamps Mounting Guidelines
Guidelines for mounting modules using clamps, including clamp size, overlap, and tightening torque.
Mechanical Load of Mono-facial Modules
Installation and Load Data
Shows different installation positions and methods for mono-facial modules.
Mechanical Load of Bifacial Modules
Installation and Load Data
Details installation positions and methods for bifacial modules and their load capacities.
Electrical Installation
Electrical Performance
Discusses electrical performance under STC, series and parallel connections, and voltage limits.
Cables, Wiring, and Connectors
Cables and Wiring Requirements
Requirements for cables, wiring, connectors, and protection against UV and water.
Connector Handling and Protection
Guidelines for connector handling, cleanliness, waterproofing, and ensuring proper connection.
Electrical Protection and Compatibility
Bypass Diode Function
Explains the function of bypass diodes in protecting against hot spots and overcurrent.
PID Protection and Inverter Compatibility
Discusses Potential Induced Degradation (PID) and measures for protection, including inverter compatibility.
Grounding
Grounding Requirements and Methods
Details on frame grounding, conductor requirements, and recommended grounding methods.
Operation and Maintenance
Cleaning Procedures
Guidance on cleaning module surfaces to maintain performance and avoid damage or electrical hazards.
Module Appearance Inspection
Instructions for visual inspection of modules for defects like cracks, corrosion, or aging signs.
Inspection of Connectors and Cables
Preventive Inspection
Recommendations for regular inspection of connectors and cables for tightness and integrity.
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