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Summary of Contents for LONGI HiMO X6 MAX LR7-54HTH 460
- Page 1 OPERATION AND MAINTENANCE MANUAL MODULE This manual is intended for all LONGi PV modules LONGi Solar Technclogy Co., Ltd.
- Page 2 Contents Introduction Disclaimer 1 PV Module Basic Knowledge and O&M Safety Notes 1.1 Significance of O&M 1.2 Basic Introduction to PV Modules 1.3 Q&M Safety Notes 1.3.1 Electrical Safety of PV Modules 1.3.2 Operational Safety of PV Modules 2 O&M Work Guidance for PV Modules 2.1 Inspection of PV Modules 2.1.1 Regular Inspection of PV Modules 2.1.2 Regular Test of PV Modules...
- Page 3 This manual states a detailed description of the operation and maintenance (hereinafter referred to as O&M) of LONGi PV modules. This manual can be used by the owners and operation and maintenance people of PV systems. Please refer to the relevant information and requirements in this manual carefully when maintaining LONGi modules.
- Page 4 The internal circuit of half-cut modules can be simplified as follows: PV Module PV Module Basic Knowledge and O&M Safety Notes Module Electrical Connection Diagram 1.1 Significance of O&M In a PV power station, PV modules are the core power generation units, which is the device that directly converts solar energy into electrical energy.
- Page 5 (7) Do not drill holes on the frame of module without permission. This will weaken corrosion protection and mechanical load resistance of the frame, which the limited warranty of LONGi Solar Module will be invalid. (8) Do not repair problematic modules without being permitted.
- Page 6 (the inspection frequency can be increased according to the project situation). 4. If the frames are torn and the modules cannot be used, mark the abnormal modules and consult LONGi customer service for assistance.
- Page 7 5%; the processing mark the abnormal modules, and promptly output power/energy yield consult LONGi customer ser vice for of a combining manifold is assistance. less than 15% of other combining manifolds in the same inverter.
- Page 8 2.1.3 Key Inspection Items for Different Installation Environments （2） Description of Insulation test Insulation resistance tester is usually used to troubleshoot whether modules have any insulation failure. In For different installation environments, it is necessary to focus on the following inspections. For the specific prevention & general, if the current or voltage are abnormal, the monitoring platform can be used to lock the position of the treatment measure of inspection items, please refer to the table above: substring/area and conduct on-site inspection.
- Page 9 (5) Do not use steam or corrosive chemical reagents to accelerate cleaning. (6) Please contact Longi post-sales service team if required to use chemicals cleaning under extreme weather or/and complex environments.
- Page 10 On cloudy or rainy days, sunlight will penetrate the thin cloud layer, and modules will generate voltage. It is neces- LONGi Modules can withstand high snow loads (refer to the installation manual). If you need to remove snow to sary to pay attention to the safety of personnel to prevent danger.
- Page 11 2.3 Cleaning of Obstruction of PV Modules 2.3.1 Requirements of Obstruction Cleaning （1） During the operation of modules, there should be no environmental factors that cast shadows on the module and block modules, otherwise it will cause hot spots on the module, which will cause the output power to be significantly reduced.
- Page 12 During the warranty period of modules, for problems caused by the defects of modules, before disassembling and handing, you need to take pictures of the problems, module barcodes and nameplates, and then immediately contact LONGi or the distributor who purchased modules to provide the following information to obtain after-sales service: （a） Customer name （b）...
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