Specifications; Mechanical Loading :5; Wiring; Module Wiring :5 - Panasonic HIT Power 240S Series General Installation Manual

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1) Terrestrial applications only—no outer space
or Special Conditions (see below).
2) The ambient temperature must be within –
20°C (-4°F) to 40°C (104 °F).
temperature
limits
are
Monthly
Average
High
installation site.
3) The wind pressure load of the installation
site
should
be
less
(50PSF)
4) Some environmental conditions could apply.
Please
refer
to
Panasonic's
exclusions.

SPECIFICATIONS

Notes on Specifications
1) Rated electrical characteristics are within –
5% to +10% of the values measured at
Standard
Test
Conditions
conditions
are;
Irradiance of 1000W/m
25°C cell temperature, and solar spectral
irradiance per IEC 60904-3. Note: At the
time of shipment, Panasonic guarantees the
output level of its modules to be -0/+10%
against Rated Power in SPECIFICATIONS
based
on
factory
inspection
conditions.
2) Under real conditions, a photovoltaic module
may
experience
conditions
more
current
and/or
reported
at
Standard
Therefore, the Isc value of modules should
be
multiplied
by
a
factor
determine ampacity. An additional factor of
1.25 may be required for sizing conductors,
fuses, disconnects, etc. Please refer
section 690.8 of the National Electric Code
(NEC) for guidelines. The Voc must be
factored according to the lowest recorded
ambient
temperature
recorded
location where the modules will be installed.
Please refer to section 690.7 of the NEC
for
more
information
temperature factors.
3) The current output for the modules shown
in
the
SPECIFICATIONS
measured
at
Standard
These conditions
may
observed in actual practice.
Mechanical Loading
The modules should be mounted at the
four (4) quarter points by the means
shown in Figure 2.
This method offers a maximum load of
2,400N/m2 (50PSF) in a static state on
the module surface.
The
Note: This mechanical loading value was
defined
as
the
tested using the mounting device specified
or
Low
of
the
in section "Notes on Installation".

WIRING

2
than
2,400N/m
General
All wiring should be done in accordance
with applicable electrical codes.
warranty
Wiring methods should be in accordance
with the NEC in USA or CEC in Canada.
A qualified, licensed professional should do
all wiring.
Wiring should be protected to help ensure
personal safety and to prevent damage.
All modules connected in series should be
(STC).
STC
of the same model number and/or type.
2
,
Do not connect modules in parallel without
using
appropriate FUSE for each series string or
each module.
Do not disconnect terminals while modules
generate
at
STC
load to avoid the hazard of electrical shock.
To avoid the hazard of electric shock and
sparks, please connect each cable after
that
produce
confirming the polarity of them is correct.
voltage
than
Cable conduits should be used in locations
Test
Conditions.
where the wiring is inaccessible to children
or small animals.
of
1.25
to
Module Wiring
The number of modules that can be wired
to
in series is recommended to be ten (10)
or
modules in series, check local temperature
conditions and follow the National Electric
for
the
Code (690.7) to ensure compliance with
maximum voltage limitations.
Modules are not designed for "off-grid" or
regarding
voltage
battery charging systems, because of their
operating
recommended
section
is
batteries.
Test
Conditions.
These
not be
frequently
bypass
incorrectly connected to each other, the
bypass diodes, cable, or junction box may
be damaged.
Array Wiring
The term "array" is used to describe the
assembly of several modules on a support
structure with associated wiring.
a
connection
box
that
electricity
and
connect
fewer.
If
connecting
eleven
voltage.
Therefore,
it
to
use
them
for
modules
contain
factory
diodes.
If
these
modules
5
Use copper wire which insulation is sunlight
resistant and can withstand the maximum
possible system open circuit voltage.
Interconnection
performed in a professional fashion. Wires
should
be
secured
slack should be allowed.
Check local codes for requirements.
Earth Ground Wiring
A module with exposed conductive parts is
considered to be in compliance with UL
1703 only when it is electrically grounded
in accordance with the instructions presented
below and the requirements of the National
Electrical Code.
All
modules
structures or metallic components in direct
contact with the modules or electric wires
should be properly grounded too. To avoid
the
hazards
connects
modules should be grounded by the frame
only at the locations marked in this manual
(see grounding methods below).
The
array
frame
electrical
accordance with NEC Article 250 (USA)
or the CEC in Canada.
Bonding shall be by a positive means,
such
as
clamping,
screwed connectors, or welding, soldering or
brazing.
If
the
upon screw threads two or more screws or
two full threads of a single screw must
engage the metal
Great care should be exercised to ensure
that
corrosion
means be avoided.
(11)
Corrosion can increase the resistance of the
grounding connection on the module, or can
even cause the grounding connection to fail
entirely. Corrosion can be caused by the
effects of weather, humidity, dirt and so on.
It can also be caused when two dissimilar
metals are in contact (galvanic reaction).
is
not
The
module
charging
aluminum/magnesium alloy.
All
fasteners
installed
screws,
etc.)
are
unless otherwise specified.
Length of self-tapping machine screw or
bolt should not be more than 0.78'' (20
mm)
in
order
back-sheet of the module.
of
modules
must
be
and
only
reasonable
should
be
grounded.
All
of
electric
shock
or
fire,
shall
be
grounded
in
riveting,
bolted
or
bonding
means
depends
caused
by
the
grounding
frame
material
is
(nuts,
bolts,
washers,
must
be
stainless
steel
to
avoid
contacting
the

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