General Installation Manual Photovoltaic Module HIT® VBHNxxxSA series CONTENTS VBHNxxxKA series ･GENERAL INFORMATION SAFETY PRECAUTIONS 2 ･WARNING Model No.
SAFETY PRECAUTIONS To avoid the hazard of electric shock, To avoid the hazard of injury, burn and understood before attempting to sparks, fire and injury damage to the module install, wire, operate, and maintain energy when exposed to sunlight or entire front surface of the modules only be performed by qualified li- with a dense, opaque material such nents are compatible, and they do censed professionals, including, as a cardboard box, during installa- not subject the module to m
additional factor of 1.25 may be MODULE SPECIFICATIONS module meets design loads as be- es, disconnects, etc. Please refer to low. Table 1 and Figure 1. (Electrical section 690.8 of the National Electric specifications, mechanical specifica- Code (NEC) for guidelines. The Voc 1) lowest recorded ambient tempera- Rated electrical characteristics are where the modules will be installed. Please refer to section 690.7 of the Test Conditions (STC).
Table 1. Model Specifications Electrical Specifications Model VBHN340SA17 VBHN335SA17 VBHN330SA17 VBHN325SA17 VBHN325KA03 VBHN320KA03 Cell Number in Series 96 96 96 96 96 96 Rated Power, Watts (Pmax) 340 335 330 325 325 320 Maximum Power Voltage (Vpm) 59.7 59.4 58.0 57.6 59.2 58.7 Maximum Power Current (Ipm) 5.70 5.65 5.70 5.65 5.50 5.46 Open Circuit Voltage (Voc) 71.3 71.0 69.7 69.6 70.9 70.5 Short Circuit Current (Isc) 6.13 6.08 6.07 6.03 5.94 5.
STANDARDS ing connector for series and string ules and must be purchased sepa- connections. Always use these con- rately. VBHNxxxSA and VBHNxxxKA series com- nectors and do not detach them ply with the requirements of UL1703. from cables. BYPASS DIODE The PV module comes pre-wired. FIRE CLASS OF PRODUCT The fire rating of this module is valid only when mounted in the manner specified in the mechanical mounting instructions.
INSTALLATION GENERAL Please read this guide completely before installation or use of the modules. OPERATING CONDITIONS Panasonic recommends that modules be operated within the following Operating Conditions. An installation location with conditions beyond the Operating Conditions or with other Special Conditions (see below) should be avoided. Operating Conditions of Panasonic modules are as follows: 1) The modules should be operated only Figure 4.
thorized Representative with ques- Install modules where they are not clearance between the roof surface tions regarding mounting profiles shaded by obstacles like buildings or and the module is more than 4 inch. for modules if needed.
nections if needed. WIRING GENERAL MODULE WIRING All wiring should be done in accordance with applicable electrical codes. ber and/or type. Wiring methods should be in accord- eight (8) modules in series, check All wiring should be done by a quali- local temperature conditions and fied, licensed professional. follow the National Electric Code must be fixed either to the module frame using cable fixing holes or to the mounting structure.
EARTH GROUND WIRING ring lock washers, flat washers and ules. Both methods are explained the like) is used to attach a listed parts is considered to be in compli- below, please choose one. grounding/bonding device, the formance with the grounding device with the instructions presented be- ensure that corrosion caused by the manufacturer’s instructions. low and the requirements of the grounding means be avoided.
Using cup washers and the cup washer) so that the cup (see Figures 6.2) frame and is fixed stably to the module If using this method, use one of the • The use of cup washers is to prevent frame. larger holes with diameter of wire from slipping out from under the 0.205’‘ (5.2 mm) screw head (and/or the flat washer). Using bolt and nut (see Figures 6.2) • Make sure that the cup washer is The bolt and nut size should be placed between the wire and the module No.8 (0.164’‘ diameter (4.
10-14AWG-Solid -> 20 in-lbs, Using a lay-in lug with bolt and 4-6AWG-Strand -> 35 in-lbs, nut (see Figure 6.3) 8AWG-Strand -> 25 in-lbs, 1014AWG-Strand -> 20 in-lbs If using this method, please follow instructions in previous section re- garding using bolts and nuts with Solid -> 35 in-lbs, larger grounding holes. 14AWG-Strand -> 35 in-lbs, 4AWG -Strand -> 45 in-lbs Use a grounding tin plated solid copper lay-in lug rated for direct burial and outdoor use.
Using a Grounding Clip with bolt Instruction sheet issued by Tyco Electron- and nut (see Figure 6.4) For more information, please refer to ics. Use Tyco Electronics 1954381-2 as grounding clip. Place the grounding clip onto the module frame. Thread the hex nut onto the end of the screw, then using a 3/8-in. wrench, tighten the nut. Recommended torque value in tightening bolt and nut is between 1.7 and 2.2 Nm. Insert the wire into the wire slot. Press down on both ends of the wire.
acid detergent or a detergent which MAINTENANCE forms a protective layer on the surIn order to maintain the optimum face of the glass to clean any part of output of the module, quality and the module. The performance of a safety, please conduct periodic in- solar modules may be reduced. spection or cleaning. Please be very careful since the warranty will not cover the damages It is also recommended to inspect the electrical and mechanical connections annually. caused by detergents.
REVISION HISTORY Edition Revision Date Revised Item NEW 2017.11.16 Ver.1 2018.5.14 Change of format Ver.1.1 2018.9.28 Review of wording Revised Content Representation of layout, description sentences Review wording on warranty and notes, delete special conditions Minimum regional temperature consid- Ver.1.2 2018.10.17 Correction of Ver.1.1, reex- eration, representation on off-grid and 2018.10.31 amination of expression battery charge. Addition of module pallet storage Ver.2.1 2018.12.
