Solartec S60MC Series User manual

INSTALLATION MANUAL
FOR Solartec PHOTOVOLTAIC
MODULES
S60MC series
IMPORTANT SAFETY INSTRUCTIONS
This manual contains important safety
instructions for the PV module that must be
followed during the installation and the
maintenance of PV modules.
PLEASE READ THIS MANUAL CAREFULLY BEFORE
INSTALLING OR USING THE MODULES.
PLEASE PASS ALONG THIS MANUAL TO YOUR CUSTOMER.
INTRODUCTION
Thank you for choosing Solartec (PV) module.
This Installation Manual contains essential
information for electrical and mechanical
installation that you must know before
installing Solartec modules. This Manual also
contains safety information you need to be
familiar with. All the information described in
this Manual is the intellectual property of
Solartec and is based on the technologies and
experience that have been acquired and
accumulated over the long history of Solartec.
This Manual does not constitute a warranty,
expressed or implied. Solartec does not
assume responsibility and expressly disclaims
liability for loss, damage, or expense arising
out of or in any way connected with
installation, operation, use or maintenance of
PV modules. No responsibility is assumed by
Solartec for any infringement of patents or
other rights of third parties that may result
from use of PV modules. Solartec reserves the
right to make changes to the product,
specifications or Installation Manual without
prior notice.
Codes and Regulations
The mechanical and electrical installation
of PV systems should be performed in
accordance with all applicable codes; including
electrical codes, building codes, and electric
utility interconnect requirements. Such
requirements may vary for mounting location,
such as building rooftop or motor vehicle
applications. Requirements may also vary with
system voltage, and for DC or AC application.
Contact local authorities for governing
regulations.
Safety Precautions
Photovoltaic modules produce DC
electricity when exposed to light and
therefore can produce an electrical shock or
burn. Modules produce voltage even when
not connected to an electrical circuit or load.
Modules produce nearly full voltage when
exposed to as little as 5% of full sunlight and
both current and power increase with light
intensity. Use insulated tools and rubber
gloves when working with modules in
sunlight.
PV modules have no on/off switch.
Modules can be rendered inoperative only by
removing them from sunlight, or by fully
covering their front surface with cloth,
cardboard, or other completely opaque
material, or by working with modules face
down on a smooth, flat surface.
Modules can produce higher output than
the rated specifications. Industry standard
ratings are made at conditions of 1000
watts/m2 and 25°C cell temperature.
Reflection from snow or water can increase

sunlight and therefore boost current and
power. In addition, colder temperatures can
substantially increase voltage and power.
Solartec modules are constructed with
tempered glass, but still must be handled with
care. If the front glass is broken or if the
polymer backskin is torn, contact with any
module surface or the frame can produce
electrical shock, particularly when the module
is wet. Broken or damaged modules must be
disposed of properly.
Refer to Section 690-8 of the National
Electric Code for an additional multiplying
factor of 1.25 which may be applicable.
The modules have been evaluated by UL
for a maximum positive or negative design
loading of 30 lbs/ft2.
Installation Condition
Installation shall be in accordance with
CSA C22.1, Safety Standard for Electrical
Installations, Canadian Electrical Code, Part 1.
Sit Selection
PV modules should be installed in a location
where there is no shading throughout the year.
In the northern hemisphere, PV modules
should typically face south, and in the
southern hemisphere, PV modules should
typically face north. Please make sure that
there are no obstructions in the surroundings
of the site of installation. Artificially
concentrated sunlight shall not be directed on
the module. Take proper steps in order to
maintain reliability and safety in case the PV
modules are installed in areas that have heavy
snow / extreme cold / strong winds /
installations over, or near, water and areas
where installations are prone to salt water
exposure or on small islands or in desert
areas..
Operating Conditions
A. Modules are intended for use in
terrestrial applications only—no outer
space use.
B. Modules must not be installed nor
operated in areas where, salt, hail,
snow, sand, dust, air pollution,
chemically active vapors, acid rain, soot,
etc., are excessive.
C. The recommended standoff height is 20
cm. If other mounting means are
employed this may affect the UL Listing.
D. The ambient temperature should be
within –20°C (-4°F) to 46°C (115°F). The
temperature limits are defined as the
monthly average high and low of the
installation site.
E. The wind pressure load of the
installation site should be less than
2,880N/m2 (60PSF).
Mechanical Installation
Modules may be mounted at any angle from
a vertical orientation to a horizontal one. The
appropriate fixed tilt angle and azimuth
orientation should be used in order to
maximize the exposure to sunlight. They may
be mounted in either orientation, in
“landscape” or “portrait.”
There are several approved ways to mount
these Solartec Modules to a support structure.
They may be mounted either using the bolt
holes provided or using frame clamps (not
provided). For roof mounting applications the
assembly is to be mounted over a fire resistant
roof covering rated for the application
Mounting Using Frame Bolt Holes
The modules may be fastener to a support
using the bolt holes in the bottom of the frame,

as show in Dimensions (back view of the
module) and Figure 1 (mounting detail).
The module should be fastened with four (4)
stainless steel M8 (5/16”) bolts, stainless steel
M8 washers, stainless steel M8 spring washers
and M8 (6/16”) nuts. As shown in Figure 1
(mounting detail). The stainless steel hardware
used for securing the module frame should
secure with an applied torque of 6
foot-pounds (8 Newton-meters).
The modules have been evaluated by UL for
mounting using the 4 provided mounting holes
in the frame using bolts
Figure 1
Electrical Installation
Modules should be mounted to maximize
direct exposure to sunlight and to eliminate or
minimize shadowing. Even partial shadowing
can substantially reduce module and system
output. Furthermore, partial shadowing can
elevate the shaded portion’s internal
temperature, which may lower output and
shorten module life. Bypass diodes are factory
installed. Blocking diodes should be installed in
series with each module or series string to
prevent possible back flow of energy through
the module(s) when modules or strings are
connected in parallel or used in conjunction
with a battery. If the modules are installed in
parallel electrically, each module (or series
string of module so connected) shall be
provided with the maximum series fuse as
specified.
Under normal conditions, a
photovoltaic module may experience
conditions that produce more current and/or
voltage than reported at Standard Test
Conditions. Accordingly, the values of short
circuit current, Isc, and open circuit voltage,
Voc, marked on modules should be
multiplied by a factor of 1.25 when
determining component voltage ratings,
conductor capacities, fuse sizes, and size of
controls connected to the module output.
Rated electrical characteristics are within
10 percent of measured values at Standard
Test Conditions of: 1000 W/m2, 25°C cell
temperature and irradiation of AM 1.5
spectrum.
A separate return wire or wires may be
required to run the positive and negative
terminations of the series string of modules to
the load. Male and/or female connectors
pre-attached to wires may be used at the
string terminations for return wire connections
and/or for source circuit box terminations. All
Details for wiring in accordance with the NEC,
and that the grounding method of the frame of
arrays shall comply with the NEC, article 250.
Grounding Specification
It is Ø4 grounding hole, in the middle of
the border of the parts back. Grounding tag
central line and grounding hole line are in
coincidence on the length direction. The tag
affixed to the frame 5mm far from the
grounding hole where is closer to the junction
box.
All module frames should be grounded for

safety. The grounding connections between
modules must be approved by a qualified
electrician, the grounding itself must be made
by a qualified electrician. Recommended
torque value is 2.3N.m (20in-lb). The
grounding clip accepts solid uninsulated
copper wire sizes 10 or 12 AWG. The wire
must not be nicked
Figure 3
Notice: Use TYCO. 1954381-1 (UL Certificate
No. E69905).
The module shall wire in accordance with the
NEC, the grounding method of the frame of
arrays shall comply the NEC, article 250
Operation and Maintenance
No routine maintenance is required.
However it is advisable to perform periodic
inspection of the modules for damage to glass,
backskin, or frame. Check electrical
connections for loose connections and
corrosion.
PV modules can operate effectively without
ever being washed, although removal of dirt
from the front glass can increase output. The
glass can be washed with a wet sponge or
cloth. Wear rubber gloves for electrical
insulation.