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PHOTOWATT PW72LHT-C Installation Manual

Monofacial & bifacial modules
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INSTALLATION MANUAL
OF MONOFACIAL
& BIFACIAL MODULES
For professional use only

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Summary of Contents for PHOTOWATT PW72LHT-C

  • Page 1 INSTALLATION MANUAL OF MONOFACIAL & BIFACIAL MODULES For professional use only...
  • Page 2 MAINTENANCE MODULE CLEANING GUIDELINES ANNEX A : GUIDANCE ON MODULE TEMPERATURE FOR SEVERAL LOCATIONS ANNEX B : INSTALLATIONS USING MODULE LEVEL POWER ELECTRONICS ANNEX C : COASTAL AREA ANTI-CORROSION INSTALLATION GUIDELINES (ONLY FOR GLASS-GLASS MODULES) D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 3: General Information

    Single glass Double glass GENERAL SAFETY PW72LHT-C PW54-RD1 Monofacial PW60MAX-C PW54-RD2 All Modules must be installed by licensed electricians in ac- PW66MAX-C...

  • Page 4: Mechanical / Electrical Specifications

    -31 to -35 / -23 to -31 1.23 = the listed short circuit current at 0% bifacial gain -36 to -40 / -32 to -40 1.25 on the PV module datasheet or nameplate label D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 5: Unpacking And Storage

    Please carefully follow the applicable unpack- ing instructions, which can be found on our website at www. photowatt.com. Unpacking bracket When unloading modules pallet from a flatbed truck, please use a crane or a forklift to remove the module pallets.

  • Page 6: Product Identification

    • Do not leave modules unsupported or unsecured. • Do not support the module by its backsheet or back glass when carrying or mounting it. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 7: Module Installation

    For • Any mounting system limitations on inclination or ac- more information, please contact EDF ENR PWT tech- cessories required to maintain a specific System Fire nical support team. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 8: Installation Requirements

    Even temporary partial shading will reduce the energy yield. A module can be considered to be unshaded if its entire surface is free from shading all year round, includ- ing on the shortest day of the year. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 9: Module Wiring

    For different module types, recommended system ca- ble schemes are shown in table 2 below. On the below figures, bold lines represent cable installation path- ways, while + and - connector correspond to positive and negative module terminals respectively. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 10 Portrait installation one row: PW60MAX-C PW60MAX-CB-XF PW66MAX-C PW66MAX-CB-XF PW54-RD1 Portrait installation two rows: PW54-RD2 PW54-RB PW72LHT-C PW72LHT-CB-XF Jumper Cable NOTICE : Modules in adjacent rows should be rotated 180 degrees for proper installation Portrait installation one row Leap-frog (for single-axis tracker): PW72LHT-C PW72LHT-CB-XF The maximum distance between two adjacent module frames should be within 50 mm (1.96 in) for the side with mounting...
  • Page 11 (wiring should be sheathed in a sunlight-resistant con- duit or, if exposed, should itself be sunlight-resistant) that meet local fire, building and electrical regulations. Please ensure that all wiring is in perfect electrical and mechanical condition. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 12 Tighten the bolt securely using the SS toothed nut. A wrench may be used to do this. The tightening torque is 3-7 Nm (2.2-5.2 ft-lbs). D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 13: Mounting Instructions

    Different recommendations from specific clamping hardware suppliers should prevail. 2) The yield strength of the bolt and nut should not be less than 450 MPa. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 14: Mounting Method : Bolting

    Mounting method: Bolting • Modules should be bolted at the following hole loca- tions depending on the configuration and loads, which is shown in table 3. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 15 -2600 Pa PW66MAX-CB-XF (F463 Frame)/ +5400 Pa/ +2800 Pa/ PW60MAX-CB-XF (F463 Frame) -2400 Pa -2400 Pa PW72LHT-C +5400 Pa/ +3600 Pa/ PW72LHT-CB-XF -2400 Pa -2400 Pa NOTE The installation method of bolt is based on the experimental results, “/” means not tested.
  • Page 16 PW66MAX-C & PW66MAX-CB-XF Depth PW54-RB Module frame and 5 mm (0.2 in) PW54-RD1 & PW54-RD2 clamp PW72LHT-C & PW72LHT-CB-XF 80 mm (3.15 in) Uplift load > 2400 Pa Length 40 mm (1.57 in) Uplift load ≤ 2400 Pa PW60MAX-C, PW60MAX-CB-XF, 15 mm (0.59 in)
  • Page 17 PW54-RD1 60-600 300-600 400-500 PW54-RD2 PW72LHT-C 340-550 410-490 PW72LHT-CB-XF 410-490 * : with 35mm height frame, ** : tests loads, please refer to section 6, *** : only if the clamp length was extended to 60 mm or if a hooked clamp was used.
  • Page 18 6.2.3 SIX CLAMPS ON LONG SIDE OF FRAME AND RAILS PERPENDICULAR TO THE LONG SIDE FRAME Max Mechanical Load (Pa)* +5400/-3600 Module Types A3 & A5 Range (mm) PW54-RB 300-400 PW54-RD1 / PW54-RD2 *: test loads, please refer to section 6 D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 19 6.2.4 TWO CLAMPS ON THE LONG SIDE AND TWO CLAMPS ON THE SHORT SIDE OF FRAME. RAILS RUN PERPENDICULAR TO THE LONG SIDE FRAME Max Mechanical Load (Pa)* Module Types +2400/-2400 A1 Range (mm) A2 Range (mm) PW72LHT-C 600-800 200-250 PW54-RB 500-600 200-250 PW54-RD1 / PW54-RD2 *: test loads, please refer to section 6 6.2.5 FOUR CLAMPS MOUNTING ON SHORT SIDE OF FRAME, AND AN ADDITIONAL SUPPORT BAR...
  • Page 20 EDF ENR PWT warranty may be void in cases where improper insertion systems or unsuitable installation methods are used. The insertion profile thickness is rec- ommended to be no more than the module thickness plus 1 mm. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 21 C side. • If your tracker design cannot meet the above distance requirement, please contact EDF ENR PWT technical support department in writing for advice. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 22 Please contact the tracker manufacturer and EDF ENR maximum allowable deflection of the module is 25mm. PWT’s technical support department for details in re- gard to specific projects. • Please verify the approved loads in the table with the racking suppliers. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 23: Maintenance

    The voltage and current present in an array during day- • light hours are sufficient to cause a lethal electrical shock. Improper cleaning equipment design may cause lo- calized heavy loads onto the module. Localized heavy D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 24: Operation Preparation

    • EDF ENR PWT recommends the following to be used: • Water with low mineral content • Near neutral pH water • The maximum water pressure recommended is 4 MPa (40 bar) D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 25 Köppen climate types, please refer to http:// it may allow a more efficient ventilation. The graphics hanschen.org/koppen. Figure A.2 – 98th-percentile temperature for an open-rack, or thermally unrestricted D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 26 Figure A.3 Spatial distribution of the Köppen climate types for the period from 1901 to 2010 D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

  • Page 27: Installation

    Do not drill extra holes in the frame to install the MLPE device. • The distance between the MLPE device and the module backsheet should be larger than 20mm. Figure B.1 - MLPE device installation zones D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 28 EDF ENR PWT reserves the right to adapt the above defi- nition to individual cases. Please contact your local ep- resentative to confirm which category your PV system falls under. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 29 For enhanced cor- rosion resistance, application of heat shrink tubing after • If the anti-corrosion coating is worn due to external forc- installation is recommended to protect the connectors. es, it needs to be repaired promptly. D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 30 Please refer to the figure below for more details. The coating should be applied in a dry atmosphere (at least 24 hours) under the following conditions: relative humidity RH≤75%, ambient temperature T>5°C. Maintenance period Three months Five years D124-P06-01 GB R0 08/04/2024 www.photowatt.com...
  • Page 31 D124-P06-01 GB R0 08/04/2024 www.photowatt.com...

This manual is also suitable for:

Pw60max-cPw66max-cPw54-rd1Pw54-rd2Pw72lht-cb-xfPw66max-cb-xf ... Show all

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