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Table of Contents
Summary of Contents for NexPower NT AF Series
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Page 1: Installation Manual
Installation Manual Global version (A) Frame Type PV Module [For IEC] NT-xxx AF / NT-xxx AX [For UL] NT-xxx UF / NT-xxx UX No. 2, Houke S. Rd., Houli Dist., Taichung City 421, Taiwan (R.O.C.) Tel:886-4-25808888 Fax:886-4-25808899 http://www.nexpw.com... -
Page 2: Table Of Contents
3.1 Cleaning Instructions ................ 14 3.2 System Inspection ................14 APPENDIX 1 - Appearance ............. 15 APPENDIX 2 - Mounting Guideline ..........16 Frame Type PV Module ~ 1 ~ Copyright © NexPower Technology Corp. -
Page 3: Introduction
1. Introduction Thank you for choosing NexPower PV Module (Photovoltaic Module). Please read this manual carefully before the installation. It provides important safety and instructions for installation and maintenance of this PV Module. Please refer to product specification for all electrical and mechanical characteristics of the NexPower PV Module. -
Page 4: Handling Safety
Mount the PV module onto the structure member with specified mounting structure. Make sure to fasten bolts completely and lock in order not to loosen. Frame Type PV Module ~ 3 ~ Copyright © NexPower Technology Corp. - Page 5 Portrait orientation Fig. 1: PV Module mounting configuration Do NOT connect the NexPower PV module mixed with other brand or NexPower’s different product models. Do NOT cut the cable attached on PV module then connect to another type of cable or connector.
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Page 6: Storage
PROPERTY RIGHT(S). NEXPOWER may, at its sole discretion, modify the specifications of the product and the terms of this installation manual from time to time if necessary without sending the prior written notice to the client or any other parties. -
Page 7: Installation
In case of on-ground installation, be sure to leave sufficient distance between PV module and the ground to avoid the module being exposed to standing water or snow. Frame Type PV Module ~ 6 ~ Copyright © NexPower Technology Corp. -
Page 8: Bolting System
≧ 0.28 inch(7 mm) ≧ Length A B ≧ 1.57 inch(40 mm) Length B Clamp and fixing plate torque requirements 3.69~8.85 lbf-ft (5~12 N-m) Toque Fig. 4: Clamp dimension definition Frame Type PV Module ~ 7 ~ Copyright © NexPower Technology Corp. - Page 9 The clamp position (C) should be symmetrical at each side of PV module. iii)PV module can be mounted as desired in accordance with the instruction approved in APPENDIX 2 – Mounting Guideline. Frame Type PV Module ~ 8 ~ Copyright © NexPower Technology Corp.
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Page 10: Wiring
Article 690-5 of the National Electrical Code (NEC). [UL only] Installation shall be in accordance with CSA C22.1, safety Standard for Electrical Installations, Canadian Electrical Code Part 1. Frame Type PV Module ~ 9 ~ Copyright © NexPower Technology Corp. -
Page 11: Series Wiring
Please be noted that the short-circuit current of system is calculated by multiplying the Isc listed on the module label by the number of source circuits operating in parallel. Use this Frame Type PV Module ~ 10 ~ Copyright © NexPower Technology Corp. -
Page 12: Cable Selection
Buildings, trees, or obstructions around PV modules can cast shadows on PV modules. Current forced through shaded part of PV modules causes additional heating and severe loss of power. In order to avoid this condition which may impair PV module, NexPower PV Module is equipped with factory-installed bypass diodes. Specification... - Page 13 Support structure member must apply grounding. Frame Type PV Module ~ 12 ~ Copyright © NexPower Technology Corp.
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Page 14: Inverter Requirement
Fig. 14: Grounding method – B 2.7 Inverter Requirement For NexPower module requirement, it is essential to select transformer type inverters with DC negative pole grounding function. For more details or specific recommendations, please contact your PV system dealer or module provider. -
Page 15: Maintenance
Any loose connections or parts may cause damages in modules or arrays. If any problem is found, please contact your local PV system dealer for professional service. Frame Type PV Module ~ 14 ~ Copyright © NexPower Technology Corp. -
Page 16: Appendix 1 - Appearance
Bolt size Φ0.26 inch NT-xxx AF/UF (Φ6.5 mm) (Stainless) Φ0.39 inch NT-xxx AX/UX (Φ10 mm) (Stainless) Type Grounding hole Bolt size NT-xxx AF/UF Φ0.14 inch NT-xxx AX/UX (Φ3.5 mm) Frame Type PV Module ~ 15 ~ Copyright © NexPower Technology Corp. -
Page 17: Appendix 2 - Mounting Guideline
Use six clamps C= 40 to 285mm C= 40 to 220mm Use six clamps Use six clamps Al403-MI-B * The mounting configuration is certified by the third party organization. Frame Type PV Module ~ 16 ~ Copyright © NexPower Technology Corp. - Page 18 Use four clamps* Use four clamps Use four clamps C= 40 to 285mm Use four clamps * The mounting configuration is certified by the third party organization. Al402-MI-C Frame Type PV Module ~ 17 ~ Copyright © NexPower Technology Corp.
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