Inginiero Naval

Photovoltaic (PV) Modules - LC Series
Installation Manual
WARNINGS
HAZARDOUS ELECTRICITY! CAN SHOCK, BURN, OR CAUSE DEATH! AUTHORISED, QUALIFIED PERSONNEL ONLY! DO NOT TOUCH TERMINALS! GROUND POSITIVE SIDE OF ARRAYS! PV modules generate electricity when exposed to light. Modules may be covered with an opaque material during installation to avoid shocks or burns. Do not touch live terminalswith bare hands, wear security gloves. Use insulated tools for electrical connections. Table 1: Recommended tilt angles for fixed systems based on Winter Performance site latitude 0° to 15° 15° to 25° 25° to 30° 30° to 35° 35° to 40° above 40° fixed tilt angle 15° same as latitude latitude + 5° latitude +10° latitude +15° latitude +20°

WIRING
All of the LORENTZ PV modules utilise a junction box.This junction box, located on the back side of the module, is weatherproof and is designed for standard wiring or conduit connections. For PV modules of 75 Wp and more cables are included. Proper connection of the cables in the junction box must be checked especially for modules with pre-assembled cables as vibrations during transport might loosen the wiring. Connectors must be used with same typeonly to guarantee safe connection. LORENTZ advises that all wiring and electrical connections comply with National Electrical Codes. A cable clamp with a minimum rating of IP65 must be used to maintain the weatherproof integrity of the junction box. Bypass diodes are preinstalled at factory. To wire LORENTZ PV modules:  Determine the nominal system array voltage of your system. Each panel isequivalent to a 12 VDC nominal block for 12M/12P modules and 24 VDC nominal block for 24M/24P modules. Standard array voltages 12, 24, 48 and 96 V are shown as examples in Figure 3.  The wire used to interconnect the solar modules may be single or two conductors, from 2 mm² (AWG 14) up to 6 mm (AWG 10) gauge stranded copper wire, in a sunlight-resistant jacket UF cable that will not degrade whenexposed to the direct sunlight. The maximum and minimum outer diameters of the cable that may be used with the cable connector are 8 mm and 6 mm respectively.  Route wires through the PG plugs and clamps refer to installation example.  Gently hand-tighten the terminal screws with cross tip (Phillips head) screwdriver. Do not over tighten to avoid damages to the terminal.  The output wiringfrom the final module is generally run to a separate array junction box. In commercial system, this wiring from the array box to the next component (i.e. fuse box or charge regulator etc.) is generally run in conduit. The maximum electrical rating of an acceptable series fuse is 6 to 12 A.  After checking that module wiring is correct, close all the junction boxes and ensure a waterproof seal.PERMIT AND INSPECTION
Contact local authorities and determine the necessary permit, installation and inspection requirements in your area.

INSTALLATION
Installation by qualified personnel only. Personnel must know the appropriate safety procedures.  Sunlight shall not be concentrated on the module.  LORENTZ PV modules are quite rugged; nonetheless the glass can be broken (and the modulewill no longer work properly) if it is dropped or hit by tools or other objects, or when the modules are stepped upon.  Module support structures that are to be used to support LORENTZ PV modules should be wind rated according to local conditions and approved for use by the appropriate local and civil codes prior to installation. Fixation The frame of each module has four or eight mounting holesto fix the modules to the supporting structure. Modules must be fixed with at least four screws. Symmetric fixation holes must be used. The four holes close to the corners of the module are most often used for attachment. Refer to drawing in the product information sheet for the position of these holes. For mounting holes of 6.6 mm (0.26 in) diameter use M6 screws; for holes of 8.5 mm (0.33 in)...