HHV SOLAR HSTXY12xxxZ Series Installation Manual - Page 6
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Table 3: Bolting Method
Load < 2400 Pa
Bolting
on long
side
frame
Mounting rails should run perpendicularly to the
long side frame
Table 4: Clamping Method
MODULE TYPE
72 cell structure
60 cell structure
Fig.1
H1 RANGE (mm)
H2 RANGE (mm)
320 ‐ 420
200 – 245
250 ‐ 350
200 ‐ 245
Solar Module Installation Manual
N. MECHANICAL LOADING
• The module must be mounted on secure and rigid Aluminium frames as shown in the
fig ‐1. This mounting will ensure that the modules are able to withstand a minimum
static load of 2400 N/mm
O. ARRAY WIRING
• Several PV modules can be connected in series or parallel combination to get the
desired voltage and current. The maximum system voltage is 1000VDC. By connecting
the modules in series, the maximum system voltage of 1000V must not be exceeded.
• When the modules are connected in parallel, ensure that the current not exceeding
the maximum fuse rating
• For installation, the required extra wire for connecting the arrays, inverters etc, it is
recommended to use USE‐2 or PV Wire rated for min. 90˚C, UV resistant, Copper only,
10‐12 AWG.
• Please note that the interconnecting of more than two strings requires the
installation of string fuses (15A). The maximum series fuse rating has been rated to
15 A, if more than two strings are connected in parallel, this value might be
exceeded if there is a fault.
• It is strongly recommended to use copper wire that has a very good insulation and
resistant to sunlight. The wire diameter and insulation must be suitable for maximum
possible system voltage.
P. MAXIMUM SYSTEM VOLTAGE
• The modules of the type described in this manual are designed for a Maximum system
voltage of 1000 VDC. Please note that the module open circuit (Voc) increases with
decrease in temperature and therefore allowable maximum system voltage must take
into account the lowest temperature that is attainable in the area where the module is
intended to be used.
Q. GROUNDING
All modules have to be electrically grounded as per the National Electrical Code (USA) or in
accordance with CSA C22.1, Safety Standard for Electrical Installations, Canadian Electrical
Code, Part 1. Modules are provided with grounding holes at the back of the module frames
and the below symbol also been printed/marked near the hole for identification.
earthing method must be in accordance to the local requirements. In order to achieve proper
10
2
.
Please ensure that the modules are earthed/grounded properly as per the
local requirements. The grounding wire can be attached to the modules
using stainless steel bolts (M3) & washers. Also ensure that the grounding
wire is secured tightly to the module frame. The grounding wire size and
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