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Summary of Contents for LONGI LR6-60-M Series
- Page 1 Installation Manual for LONGi Solar PV Modules...
- Page 2 • This manual elaborates on installation and safety use information for PV power gener- ating modules (hereinafter referred to as module) of LONGi Solar Technology Co., Ltd. (hereinafter referred to as LONGi). Please abide by all safety precautions in this guide and local regulations.
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Page 3: Table Of Contents
Contents 1 / Introduction 2 / Laws and Regulation 3 / General Information 3.1 Modules Identification 3.2 Junction box style and wiring method 3.3 Regular Safety 3.4 Electrical Performance Safety 3.5 Operation Safety 3.6 Fire Safety 4 / Installation Conditions 4.1 Installation Site and Working Environment 4.2 Selection of Tilt Angles 5 / Mechanical Installation... -
Page 4: Introduction
LONGi modules. In addition, this manual also contains some safety information that you shall be familiar with. All contents in this manual are intellectual properties of LONGi which originates from long term of technical exploration and experience accumulation of LONGi. -
Page 5: General Information
General Information 3.1 Modules identification Three labels on the module contain the information below: 1. Nameplate: product type, rated power, rated current, rated voltage, open circuit voltage, short circuit current under testing conditions, certification indicator, maximum system voltage, etc. 2. Current classification label: Rated working current.(H indicates High, M indicates Medium, L indicates Low) 3. - Page 6 Bifacial Modules (With Frame) Bifacial Modules (Frameless) Frame Front Glass EVA/POE Solar Cell Back Glass Sealant Junction Box Name Plate Mounting Holes 10 Grounding Holes 11 Drain Holes 12 Bar Code Figure 2 Typical Modules Mechanical Drawing （Please refer to section 3.2 for the location of the junction box. The specific version is subject to the corresponding specification.）...
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Page 7: Junction Box Style And Wiring Method
3.2 Junction box style and wiring method Junction Box Location Icon Recommended Wiring Method Vertical Installation: Standard Cable Length (Note：One end of the single row needs to be extended. Horizontal Installation: Standard Cable Length Vertical Installation: Standard Cable Length (Note: One end of the single row needs to be extended.) Horizontal Installation：60 type PV module cable length ≥1.2m, 72 type PV module cable length ≥1.4m... - Page 8 Junction Box Location Icon Recommended Wiring Method Vertical Installation: Standard Cable length： Note：The extra extended cable is required for connection at the turn-back corner of wiring as shown below. Horizontal Installation: 60 type PV module cable length ≥1.2m, 72 type PV module cable length ≥1.4m, 78 type PV module cable length ≥1.5m Vertical Installation: Method 1: Standard cable length...
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Page 9: Regular Safety
Figure 3 Junction Box Style and Wiring Method 3.3 Regular Safety The application level of LONGi Solar module is Class Ⅱ, which can be used in systems operating at > 50 V DC or >240 W, where general contact access is anticipated;... -
Page 10: Electrical Performance Safety
to fall protection, ladder or stair and personal protective measures. For your safety, please do not install or handle modules in unsafe conditions including but not limited to strong wind or gust, damp or sandy roofs. 3.4 Electrical Performance Safety PV modules can produce DC current under sunlight. -
Page 11: Fire Safety
Please refer to local laws and regulations before installing modules and abide by requirements on building fire protection. According to the corresponding certification standards, the fire rating of LONGi Mono-facial modules is UL type 1or2 or IEC Class C, the fire rating of LONGi bifacial modules is UL type 29 or IEC Class C. -
Page 12: Installation Conditions
Do not install modules at places that are possible to be flooded. • LONGi suggests that modules be installed in the working environment with the temperature of -40℃ to 40℃ of which is the monthly average highest and lowest temperature of the installation sites. The extreme working environment temperature for modules is -40℃... -
Page 13: Selection Of Tilt Angles
If the modules output power meets the acquired load under the period of the worst irradiation in the year, the modules should be able to meet the load of the whole year. If the LONGi modules are used in grid-con-... -
Page 14: Mechanical Installation
Installa- tion shall follow the demonstration and suggestions below. If installation mode is different, please consult LONGi customer service personnel and obtain approval. Otherwise, modules may be damaged and limited warranty will be... -
Page 15: Bolts Mounting
5.2.1 Bolts Mounting LONGi modules come standard with 8 mounting holes matching M8 bolts (marked by the blue dashed box in the figure below, according to the location distribution hereinafter referred to as inner four holes and outer four holes); 72 type and... -
Page 16: Installation And Mechanical Load Of Monofacial Module
bolt clamp laminated part laminated part bolt washer aluminum aluminum frame washer frame clamp washer washer spring washer bracket bracket spring washer Figure 5 Clamp Installation of Monofacial Module 5.2.3 Installation and Mechanical Load of Monofacial Module Mono-facial modules can be mounted by bolts or clamps. The mounting method and maximum test load are shown as follow (The unit of distance and length in the table below is millimeter (mm), and the unit of pressure is Pascal (pa)). - Page 17 The maximum test load of framed mono-facial modules: Bolts Mounting Clamps Mounting Installation Mounting Clamps are Mounting rails cross the Mounting rails cross the long frame rails cross the mounted at Method long frame short frame the corners Module Type Outer Four- Inner Four- 1/4L-50 ≤...
- Page 18 LR6-72-***M +5400， -2400 ±2400 +5400， -2400 LR6-72HV-***M +5400， -2400 ±2400 +5400， -2400 LR6-72BK-***M +5400， -2400 ±2400 +5400， -2400 LR6-72PE-***M +5400， -2400 ±2400 +5400， -2400 LR6-72PH-***M +5400， -2400 ±2400 +5400， -2400 LR6-72PB-***M +5400， -2400 ±2400 +5400， -2400 LR6-72MP-***M +5400， -2400 ±2400 +5400，...
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Page 19: Bifacial Module Mechanical Installation
NEXTracker Short Rail V2.3 is at the stage of phase-out. ① The load information in this section comes from the sandbag pressure test results of LONGi or third-party certificate authorities. During the test, sandbags with the weight of ≤10Kg per each are used to evenly spread onto module surface. -
Page 20: Clamps Installation
Suggestion :（1）M8 bolt tightening torque range: 12-16 N•m; M6 bolt tightening torque range: 8-12 N•m; （2）When using LONGi 30mm (30H) height frame module, it is recommended to select L ≤ 20mm length fasteners. (If there is a special model, consult LONGi customer service personnel);... -
Page 21: Installation And Mechanical Load Of Bifacial Module
(0.59 inch). The applied value of torque should refer to mechanical design standard and the bolt type customer is using, for example: M8: 14-18 N•m. Framed PV Module EPDM Bolt Bolt Upper side clamp Upper side clamp Frameless module Lower side clamp Lower side clamp Bracket Bracket... - Page 22 Installation with bolts into 4 outer holes Installation with bolts into 4 outer holes (Beam parallel to long sides) (Beam perpendicular to long sides) Installation with bolts into 4 inner holes (Beam parallel to long sides) (beam parallel to long sides) (clamp length≥40mm) (beam perpendicular to long sides) sides...
- Page 23 LR6-72HBD-***M ±2400 LONGi bifacial modules can be matched with the mainstream bracket systems in the industry. The matching test load is as follows (for other bracket systems matching information which are not specified or included in the table below, please...
- Page 24 The modules are in upgrade, please consult customer service of LONGi solar before choosing trackers. ① The load information in this section comes from the sandbag pressure test results of LONGi or third-party certificate authorities. During the test, it is recommended that ≤10kg/sandbag is used to evenly spread the surface of the module.
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Page 25: Electrical Installation
DC electric parts. (LONGi modules maximum system voltage is DC1000V/DC1500V---ac- tually system voltage is designed based on the selected module and inverter model.) The correction value of VOC can be calculated by the following formula. -
Page 26: Connector
6.4 Bypass diode LONGi solar module junction box contains bypass diode which is in parallel connection with the cell string. If hot spot occurred, the diode will come into operation to stop the main current from flowing through the hot spot cells in order to prevent module over-heated and performance loss. -
Page 27: Grounding
Grounding In design of modules, the anodized corrosion resistant aluminum alloy frame is applied for rigidity support. For safety consideration and to protect modules from lightning and electrostatic damage, the module frame must be grounded. The grounding device must be in full contact with inner side of the aluminum alloy and penetrate surface oxide film of the frame. -
Page 28: Operation And Maintenance
3 The third party grounding devices The third party grounding device can be used for grounding of LONGi modules but such grounding method shall be proved to be reliable. Grounding device shall be operated in line with stipulations of the manufacturer. -
Page 29: Module Appearance Inspection
Do not use acid and alkaline detergents to clean modules. Do not use tool with rough surface to clean in any case. In order to avoid potential risk of electrical shock or burn, LONGi suggests cleaning the modules during early morning or evening with low irradiance and low modules temperature especially for the hot regions. - Page 30 LONGi Solar Technology Co, Ltd. No.8369 Shangyuan Road, Xi’an Economic & Technological Development Zone www.longi.com...
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