CanadianSolar CSI-25KTL-GS-FLB User manual

CANADIAN SOLAR INC.
Global Headquarters:
$ ~ CanadianSolar
545 Speedvale Avenue, West Guelph, Ontario N1 K 1 E6, Canada
Tel:
[phone]
Sales Inquiries Email: [email protected]
Technical Inquiries Email: [email protected]
CANADIAN SOLAR (USA), INC.
North America Headquarters:
3000 Oak Road, Ste 400, Walnut Creek, CA 94596
Tel:
[phone]
Sales Inquiries Email: [email protected]
Technical Inquiries Email: [email protected]
This manual is subject to change without prior notification. Copyright is
reserved. Duplication of any part
of this issue is prohibited without written
permission.
$ ~ CanadianSolar
CSI SERIES GRID-TIED PV Inverter
CSI-25KTL-GS-FLB & CSI-30KTL-GS-FLB
CSI-36KTL-GS-FLB & CSI-40KTL-GS-FLB
INSTALLATION AND OPERATION MANUAL
VERSION 1.2
~'>-! CanadianSolar
CANADIAN SOLAR INC.
Canada, 545 SpeedvaleAvenue West, Guelph, Ontario, Canada N1 K 1E6
www.canadiansolar.com

~ ~ CanadianSolar ~ ~ CanadianSolar
Important notes
• Productspecifications are subjectto change without notice. Every attempt has been made
to make this
document complete, accurate and up-to-date. Individuals reviewing this
document and installers or service personnel are cautioned, however, that Canadian Solar
reserves the right to make changes without notice and shall not be responsible for any
damages, including indirect, incidental or consequential damages caused by reliance
on the material presented including, but
not limited to, omissions, typographical errors,
arithmetical errors
or listing errors in the material provided in this document.
• Canadian
Solar accepts no liability for customers' failure to comply with the
instructions
for correct installation and will not be held responsible for upstream or
downstream systems Canadian Solar equipment has supplied.
• The customer is
fully liable for any modifications made to the system; therefore, any hardware
or software modification, manipulation, or alteration not expressly approved bythe
manufacturer shall result in the immediate cancellation of the warranty.
• Given the countless possible system configurations and installation environments, it is
essential to
verify adherence to the following:
• There is sufficient space suitable
for housing the equipment.
• Airborne noise produced depending on the environment.
• Potential
flammability hazards.
• Canadian
Solar will not be held liable for defects or malfunctions arising from:
•
Improper use of the equipment.
• Deterioration resulting from transportation
or particular environmental conditions.
• Performing maintenance incorrectly
or not at all.
• Tampering
or unsafe repairs.
• Use
or installation by unqualified persons.
• This product contains lethal voltages and should be installed by qualified electrical
or service
personnel having experience with lethal voltages.
.1.

Contents
~ ~ CanadianSolar
1. Introduction ···························································································································································· 5
1.1 Product Description ····················································································································· 5
1.2 Unpacking and storage
············································································································ 6
1.2.1 Storage
······························································································································ 8
2. Safety instructions ······································································································································· 9
2.1 Safety symbols ······························································································································ 9
2.2 General safety instructions
··································································································· 9
2.3 Notice
for use ································································································································· 10
2.4 Protection Circuitry and Controls····························································································· 11
3. Installation
............................................................................................................................................................ 12
3.1 Environmental considerations ····························································································· 12
3.1.1 Selectalocationfortheinverter ········································································12
3.1.1.1 Examples of correct and incorrect installations ······························ 13
3.1.2 Otherenvironmental considerations ······························································· 13
3.1.2.1 Consulttechnical data ···················································································· 13
3.1.2.2 Vertical wall installation ················································································· 13
3.1.2.3Avoiding direct sunlight ················································································· 13
3.1.2.4 Air circulation
...................................................................................................... 13
3.1.2.5 Flammable substances ················································································· 14
3.1.2.6 Living area ··············································································································· 14
3.2 Product handling ························································································································ 14
3.3 Installing the wire box ··············································································································· 15
3.3.1 Installation ··························································································································· 16
3.4 Wiring box configuration ······································································································ 20
3.5 DC connection ······························································································································ 21
3.5.1 DC connection high voltage danger and overcharging notice ······ 22
3.5.2 String sizing ····················································································································· 22
3.5.3 Recommended fusing section for each channel or connection ······ 22
3.5.3.1 Maximum allowable amperage perfuse and channel ··············· 22
3.5.4 Process of connecting DC wires to terminals ·········································· 23
3.5.4.1 Using fuse terminal ···················································································· 23
3.6 Making connections to theAC side of the inverter ················································ 24
3.6.1 Connecting the inverter to the utility grid ··················································· 25
3.6.2 Wiring procedure ········································································································· 25
~ ~ CanadianSolar
Contents
3.7 Installing the inverter
............................................................................................................... 26
3.8 External ground connection point ·························································································· 31
4. Communication & Monitoring ············································································································ 32
4.1 RS485 ················································································································································ 33
4.1.1 Wiring a single inverter and daisy chain inverter ······································· 33
4.1.2 Maximum allowable inverters using RS485 ................................................ 33
4.1.3 120-ohm {0) resistor placement ········································································ 33
5. Commissioning ················································································································································ 34
5.1 Selecting the appropriate grid standard ········································································ 34
5.1.1 Verifying grid standard for country of installation ···································· 34
5.2 Changing the grid standard ··································································································· 34
5.2.1 Procedure to set the grid standard ·································································· 34
5.3 Setting a custom grid standard ·························································································· 37
5.4 Preliminary checks ····················································································································· 37
5.4.1 DC Connections ············································································································ 37
5.4.2 AC Connections ············································································································ 37
5.4.3 DC configuration ········································································································· 37
5.4.3.1 voc
........................................................................................................................... 37
5.4.3.1.1 Check string voltage ···················································································· 38
5.4.3.2 Leakage to ground ······················································································· 38
5.4.3.2.1 Detection of leakage to ground ......................................................... 39
5.4.4AC configuration
5.4.4.1 Measure VAC
...................................................................................................... 39
................................................................................................ 39
5.4.4.2 Phase rotation test
....................................................................................... 40
5.4.5AC Secure inverter wiring box ········································································ 40
6. Normal operation ······································································································································· 41
6.1 Start-up procedure
·················································································································· 41
6.2 Shotdown procedure
··············································································································· 41
6.3 7" LCD front panel
display interface
·························································42
6.3.1 Main menu
·····················································································································44
6.4 Sub-menu "information" ········································································································· 44
6.5 Sub-menu "settings" ········································································································· 45
6.5.1 Setting time ·················································································································· 46
6.5.2 Setting inverter address for communications
....................................... 46

Contents
~ ~ CanadianSolar
6.5.3 Current system version ............................................................................................. 47
6.6 Sub-menu "Advanced Info- Technicians only" ......................................................... 47
6.6.1 Alarm message ......................................................................................................... 48
6.6.2 Running message
...................................................................................................... 49
6.6.3 Version
.............................................................................................................................. 49
6.6.4 Communication data ................................................................................................ 50
6.6.5 Daily energy ........................................................................................................................ 50
6.6.6 Monthly energy ............................................................................................................ 51
6.6.7 Yearly energy ............................................................................................................... 51
6.6.8 Total energy .................................................................................................................. 52
6.7 Sub-menu "Advanced settings- Technicians only" ................................................... 52
6.7.1 Selectstandard ............................................................................................................... 53
6.7.2 Grid ON/OFF
............................................................................................................... 56
6.7.3 Power control ............................................................................................................... 57
6.7.4 Clear energy and restore factory settings ................................................... 57
6.7.5 Calibrate ........................................................................................................................... 57
6.7.6 Reset password ............................................................................................................ 58
6.7.7 Restart HMI ..................................................................................................................... 59
6.7.8 Special Settings ............................................................................................................ 59
6.7.9 STD. Mode Settings ................................................................................................... 63
6.7.10ExternaiEPMset ...................................................................................................... 75
6.8 Arc fault current interrupt (AFCI)function .................................................................. 75
7. Maintenance ......................................................................................................................................................... 76
8. Troubleshooting ............................................................................................................................................. 77
8.1 Current alarm- front LCD panel
....................................................................................... 77
8.1.1 Running messages ................................................................................................ 77
8.2Alarm history ................................................................................................................................. 77
8.2.1 Viewing alarm history ............................................................................................. 77
8.3 Errormessages ........................................................................................................................... 77
8.3.1 Troubleshooting guide ............................................................................................. 77
9. Appendices ............................................................................................................................................................ 82
10. Specifications ...................................................................................................................................................... 90
~ ~ CanadianSolar
1. Introduction
1.1 Product Description
Canadian SolarThree Phase Inverters convert DC powerfrom the photovoltaic (PV) array
into alternating current (AC) powerthat can satisfy local loads as well as feed the power
distribution grid.
This manual covers the four (4) Canadian SolarThree Phase Invertermodels listed below:
CSI-25KTL-GS-FLB, CSI-30KTL-GS-FLB, CSI-36KTL-GS-FLB, CSI-40KTL-GS-FLB
4 buttons
Figure 1.1 Front view
Hole
DC Switch
DC Knockout
Figure 1.2 Bottom view
.5.

1. Introduction
~ ~ CanadianSolar
1.2 Unpacking and storage
The inverter and wire box ship in separate cartons. When unpacking, please verify all the
parts listed below are included:
.,. _
~
.. .......__,. , ... _
... ~ . ... _
_.,._ .. ,_,_ ... ..._
p p I p
~
p p I p .
,....... _
1-1 1-2 1-3 1-4
Part#
Description Number Remarks
1-1
Inverter PowerTrain 1
1-2 PowerTrain packaging accessories 4 Hexagon bolt M6*12
1-3 Handle M10 2
1-4 Installation instructions 1
Inverter power train packing list
D
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.6.
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-···-
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D
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2-5
.
2-2
.
~
B
~
0
.
2-3 2-4
~ ~ CanadianSolar
1. Introduction
Part#
Description Number
2-1
Inverterwire box 1
2-2 Wire box mounting plate 1
2-3 Power Train mounting plate 1
2-4 Wire box package accessories 1
2-4-1 Hexagon bolt
M1 0*40 6
2-4-2 Flat Washer
M1 0 6
2-4-3 Hexagon nut 6
2-4-4 Hexagon flange nut 2
2-4-5 Hexagon bolt M6*12 8
2-4-6 Lock plate 2
2-5 Installation instructions 1
Inverter wire box packing list
.7.

1. Introduction
~ ~ CanadianSolar
1.2.1 Storage
Ifthe inverter is not installed immediately, storage instructions and environmental conditions are below:
•
Use the original box to repackage the inverter, seal with adhesive tape with the desiccant inside the
box.
• Store the inverter in a clean and dry place, free ofdust and dirt. The storage temperature must be
between -16 and 140 F (-26- 60C) and humidity should be between 0 to 100%, non-condensing.
•
Do not stack more than two (2) inverters high on a single pallet. Do not stack more than 2 pallets
high.
• Keep the box{es) away from corrosive materials to avoid damage to the inverter enclosure.
• Inspect the packaging regularly. Ifpacking
is damaged {wet, pest damages, etc.), repackage the
inverter immediately.
• Store inverters
on a flat, hard surface -- not inclined or upside down.
• After 100 days ofstorage, the inverter
and carton must be inspected for physical damage before
installing. Ifstored for more than 1
year, the inverter needs to be fully examined and tested by
qualified service or electrical personnel before using.
• Restarting after a long period ofnon-use requires the equipment
be inspected and, in some cases,
the removal ofoxidation
and dust that has settled inside the equipment will be required.
.8.
DO NOT STACK
MORE 11-IAN 2 HIGH
Figure 1.3
~ ~ canadianSolar 2. Safety Instructions
Improperuse may result in electric shock hazards or burns. This product manual contains
important instructions thatare required to be followed during installation and maintenance.
Please read these instructions carefully before use and keep them in an
easily locatable place
for future reference.
2.1 Safety symbols
Safetysymbols used in this manual, which highlightpotential safety risks and important safety
information, are listed below:
WARNING
Symbol indicates important
safety instructions, which if not correctly
followed, could result in serious injury
or death.
NOTE
Symbol indicates important
safety instructions, which if not correctly
followed, could result in damage to
or the destruction of the inverter.
CAUTION, RISK OF ELECTRIC
SHOCK
Symbol indicates important safety instructions, which if not correctly
followed, could result in
electric shock
CAUTION, HOT SURFACE
Symbol indicates
safety instructions, which if not correctly
followed, could result in burns.
2.2 General safety instructions
WARNING
Do not connect
PVarray positive{+) or negative{-) to ground- doing
so could cause serious damage to the inverter.
WARNING
Electrical installations must be done in accordance with local and
national electrical
safety standards.
.9.

2. Safety Instructions ~ ~ CanadianSolar
WARNING
To reduce the risk of fire, branch circuit over-current protective
devices (OCPD) are required
for circuits connected to the Inverter.
CAUTION
The PV
array (solar panels) supplies a DC voltage when exposed to light.
CAUTION
Risk
of electric shock from energy stored in the inverter's capacitors.
Do not remove
cover until five (5) minutes after disconnecting all sources
of supply have passed, and this can only be done by a service technician.
The
warranty may be voided if any unauthorized removal of cover occurs.
CAUTION
The inverter's surface temperature can reach up to 75"C (167"F).
To avoid
risk
of burns, do nottouch the surface when the inverter is operating.
Invertermust be installed out
of the reach of children.
WARNING
The
inverter can only accept a PV array as a DC input. Using any other
type of DC source could damage the inverter.
2.3 Notice for use
The inverterhas been constructed according to applicable safety and technical guidelines.
Use the
inverter in installations that meetthe following requirements ONLY:
1
). The invertermust be permanently installed.
2). The electrical installation must meetall the applicable regulations and standards.
3). The invertermust be installed according to the instructions stated in this manual.
4
). The system design must meet inverter specifications.
To start-up the inverter, the Grid Supply Main Switch (AC) must be turned on, BEFORE the DC
Switch is turned on.
To stop the inverter, the Grid Supply Main Switch (AC) must be turned off
before the DC Switch is turned off.
.10.
~ ~ canadianSolar 2. Safety Instructions
2.4 Protection Circuitry and Controls
To meet relevant codes and standards, the Canadian Solar three phase inverterline is
equipped with protective circuitry and controls. These includeArc Fault Circuit Interrupter
(AFCI) andAnti-Islanding Protection.
Arc Fault Circuit InterrupterAFCI:
Edition 2011
of the National Electrical Code®, Section 690.11, requires that all PV plants
attached to a building are fitted with a means
of detecting and interrupting serial electric
arcs in the PVwiring and array. An electric arcwith a power
of 300W or greatermust be
interrupted by
theAFCI in the time specified by UL 16998. A triggered AFCI fault mayonly
be reset manually.
After clearing the source of the fault, theAFCI can be deactivated via
the inverterfront panel interface.
Anti-Islanding Protection:
Islanding is a condition where the invertercontinues to produce powereven when the grid
is not present. Circuitry, along with firmware, has been designed to determine
if the grid is
present by adjusting the outputfrequency
of the inverter. In the case of a 60Hz resonant
system where the inverteris partially isolated from the grid, the inverter programming can
detect
if there is a resonant condition or if the grid is actually present. Itcan also
differentiate between inverters operating in parallel and the grid.
.11 .

3. Installation
~ ~ CanadianSolar
3.1 Environmental considerations
3.1.1 Select a location for the inverter
When selecting a location for the inverter, consider the following:
• The temperature ofthe inverter heat-sink
can reach 167°F (75C).
• The inverter
is designed to work in an ambient temperature range between -13°F to 140°F (-25- 60C).
• If multiple inverters are installed on site, a minimum clearance of 20 inches should be kept between
each inverter
and all other mounted equipment. The bottom ofthe inverter should be at least 20
inches above ofthe ground or floor (see Figure
3.1 ).
• The LED status indicator lights and the LCD located on the inverter's front panel should not be
blocked.
• Adequate ventilation must
be present ifthe inverter is to be installed in a confined space.
~ I ~ I
20in 20in
~ I ~ I
Figure 3.1 Distances required between inverters
NOTE
Nothing should be stored on
or placed againstthe inverter.
.12.
~ ~ CanadianSolar
3. Installation
3.1.1.1 Examples of correctand incorrect installations
~
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NOTE
Units with a fan may be mounted
at 0-90 degrees off horizontal.
3.1.2 Other environmental considerations
3.1.2.1 Consulttechnical data
Consultthe specifications section (section 9)
for additional environmental conditions
(protection rating, temperature, humidity, altitude, etc.).
3.1.2.2 Vertical wall installation
Canadian Solar inverters are typically convection cooled and must be mounted vertically
(90 +/- 5 degrees
off horizontal). Units with a fan may be mounted at 0-90 degrees off
horizontal.
.13.

3. Installation
~ ~ CanadianSolar
3.1.2.3Avoiding direct sunlight
Installation
of the inverterin a location exposed to direct sunlight should to be avoided.
Direct exposure to sunlightcould cause:
• Poweroutput limitation (with a resulting decreased energy production by the system).
• Premature
wear of the electrical/electromechanical components.
• Premature
wear of the mechanical components (gaskets) and userinterface.
3.1.2.4
Air circulation
Do not install in small, closed rooms where
air cannot freely circulate. To preventoverheating,
always ensure that the airflow around the inverter is
not blocked.
3.1.2.5 Flammable substances
Do not install nearflammable substances. Maintain a minimum distance
of three (3) meters
(1 0 feet) from such substances.
3.1.2.6 Living area
Do not install in a living area where the prolonged presence
of people or animals is expected.
Depending on where the inverteris installed (for example: the type
of surface around the
inverter, the general properties
of the room, etc.) and the quality of the electricity supply, the
sound level from the invertercan be quite high.
3.2 Product handling
Please review the instructions below for handling the inverter and wire box:
.14.
1 ). The red circles below denote cutouts on the product package. Push in the cutouts to
form handles
for moving the inverter (see Figure 3.2).
..
..
..
..
Invertercarton Wire box carton
Figure 3.2 Handles used to move the
inverter shown circled in red
2). Two people are required to remove the inverterfrom the shipping box. Use the handles
integrated into the heatsinkto remove the inverterfrom the carton (see Figure 3.3).
One person can remove the wire boxfrom the shipping box. Use the handles
integrated into the heatsinkto remove it from the carton (see Figure 3.3).
~ ~ CanadianSolar
3. Installation
... -------- ........ ,
!2· ~- 5· ---
~--·
~·
I"•
...--- -.... \
-------""'/
Wire box
---------------------
Inverter
Figure 3.3 Handles shown circled in red are used to
remove the
inverter and wire boxfrom the shipping box
WARNING
Due to the weight of the inverter, contusions or bone fractures
could
occur when incorrectly lifting and mounting the inverter.
When mounting the inverter, take the
weight of the inverter into
consideration. Use a suitable lifting technique when mounting.
3.3 Installing the wire box
The invertercan be mounted to metal array racking. The mounting holes should be
consistent with the size
of the bracket or the dimensions shown in Figure 3.4.
Before installation, please ensure the inverterand the wire boxare not damaged
and the quantity
of the parts is correct.
416
300
' s 2-/'16
~l
.----
.l
<:::>
In nl
""
"""
• 0 0 0 0 •
~
~J
L ~
Wire box bracket Inverterbracket
Figure 3.4 Mounting bracket and dimensions
.15.

3. Installation
~ ~ CanadianSolar
3.3.1 Installation
s
'"
"
~
hl
40mm (/6 in) L
.16.
channel s tee/ 40x60x2
0235
4!6mm ( 16 .4 in}
530mm(20 9 in
7\
Hex !Jead bolt t110x40
I o
0
,...-
-0
0 0 0
0
~
0 0
0 0 0 0
0 s 0 0
0
0 ~ 0 0 0
0
~
0 0
ildJ
0
0
~
0 0 0
0 0 0 0
0 0 0 0
0 0 0
0 . •
'?
0 0
0 0 • • 0
0 n n 0 0
.. ..
0 • • 0
0 s 0 0
0 l 476mm(164in) 0 0
0 0 0
0
~
0 0
0 0 0
0 0 0
0 0
1030mm(406in "'1500mm(591rfl) 0
0 0 0
0 0 0
0 0 0
NOTE
If it is not installed on a faat wall, the inverter must be installed on a steel
rack, and the steel rack must meetthe following requirements:
a. Invertermounting rack must be in the same plane, the mounting rack
must not be twisted, bent
or out of square, the flatness must be ~1 mm.
b. The mounting rack must be equal to or stronger than the marked rack
(40mm*60mm*2mm).
~ ~ CanadianSolar
3. Installation
NOTE
Inverter
must not be mounted on a
post
or pole.
Damage to
inverter or mounting bracket
may occur.
Inverter
must be mounted on a frame as
shown
or on a wall or other flat surface. X
1 ). Installation of mounting wire box bracket: Use 4 sets hexagon head bolts M4*40, flat
washer M10, nut M10 to attach the wire box bracket on the mounting rack. The tightening
torque is 24-30 N.m.
2). Installation
of mounting Inverterbracket:
1.Putthe inverterbracketonto the two M6 studs on the mounting rack, and use flange nuts to
tighten, the torque is 4 N.m.
2.Use 2 sets
of hexagon head bolts M4*40, flat washer 10, nut M1 0 to attach the inverter
bracket on the mounting rack. The tightening torque is 24-30 N.m.
Invertermounting plate
Wire box mounting plate
~
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!
!
I
b
8
~.
~
6
~
"
...
~
©
I
I
d 8
~
6
~ r
"
.17.

3. Installation
~ ~ CanadianSolar
3). Hang the wire boxon the mounting plate.
4). Attach the wire boxwith two M6 screws on both sides and tighten them, the torque is 4-6 N.m.
.18.
~ ~ CanadianSolar
3. Installation
5). Use two M6 screws and locking plates on each side. Do nottighten as these will be used
later.
6). Unscrewthe
four M5 captive screws on the wire box cover, and remove the cover.
.19.

3. Installation
~ ~ CanadianSolar
3.6 Making connections to theAC side of the inverter
WARNING
An over-current protection device
must be used between the inverter and
the grid.
1
). Connect the three (3)AC conductors to the three (3)AC terminals marked "L1 ", "L2" and
"L3".Referto local code and voltage drop tables to determine the appropriate wire size
and type.
2). Connect the grounding conductorto the terminal marked "PE" (protective earth, the
ground terminal).
Over-Current Protection Device (OCPD) for the AC side
To protect the inverter'sAC connection line, we recommend installing a device for protection
againstover-current and leakage, with the following characteristics noted in Table 3.2:
.24.
NOTE
UseAL-CU
transfer (bi-metallic) terminal or anti-oxidant grease with
aluminum cables and terminals.
Inverter Rated voltage(V) Rated output Current rating
for
power (kW) protection device (A)
CSI-25KTL-GS-FLB 480 25 40
CSI-30KTL-GS-FLB 480 30 50
CSI-36KTL-GS-FLB 480 36 60
CSI-40KTL-GS-FLB 480 40 60
Table3.2 Over-current protection device characteristics
for Canadian Solar inverters
~ ~ CanadianSolar
3. Installation
3.6.1 Connecting the inverterto the utility grid
All electrical installations must be carried out in accordance with the local standards and
the National Electrical
Code®ANSI/NFPA 70 or the Canadian Electrical Code® CSAC22.1.
TheAC and DC electric circuits are isolated from the enclosure. If required by section 250
of the National Electrical Code®, ANSI/NFPA70, the installer is responsible for grounding
the system.
The grid voltage must be within the permissible range. The exactoperating range
of the
inverteris specified in Section 9 "Specifications".
3.6.2 Wiring procedure
CAUTION
RISK OF ELECTRIC SHOCK.
Prior to starting the wiring procedure, ensure
that the three-pole circuit breaker is switched off and cannot be reconnected.
NOTE
Damage
or destruction of the inverter's electronic components due to
moisture and
dust intrusion will occur if the enclosure opening is enlarged.
CAUTION
Risk
of fire if two conductors are connected to one terminal. If a
connection
of two conductors to a terminal is made, a fire can occur.
NEVERCONNECT MORE THAN ONE CONDUCTOR PER TERMINAL.
.25.

3. Installation
~ ~ CanadianSolar
4). The positioning plate of inverter should insert into the positioning slot.
<D
0
. "I=
·r VPositioning plate
tlii0
0.
~
Positioning slot
I
CD
0 ~·
=
Figure 3.16
5). Use two M6 screws to attach the powertrain and wire box on both side, the torque is 1.6-2 N.m.
HexscrewM6
Figure 3.17
NOTE
Ensure the torque is correct. Too much torque will damage the inverter.
.28.
~ ~ CanadianSolar
3. Installation
6). Remove the two M6 screws and locking plate on the wire box mounting rack,and use two
M6 screws to attach the inverter and wire box on each side, the torque is 1.6-2 N.m.
Tighten the M6 screws loosened in Step 2, the torque is4-6N.m.
Hex screw M6
Figure 3.18
NOTE
1) Before installation, it is necessary to ensure the switches on both sides of
the wire box are turned 'OFF'. The switch knob should point to the 'OFF'.
2) There are
two ways to install the inverter.
A) Hoisting (recommended):There are 2 hoisting holes on both sides of the
inverter.
B) Lifting:There is one
M1 0 holes on each side of the inverter,and install the
M1 0 handle(lncluded in accessory kit).
3)
If using the lifting method, align the power train and the wire box exactly
to avoid damage to the inverter.
4) If the installation position is relatively high, a lift or scaffolding may be
necessary to install the inverter.
.29.

3. Installation
.30.
A
Figure 3.19
-
I A
~
-
A
.,
.,
'""A:A
~
..
Figure 3.21
~ ~ CanadianSolar
X
B
Figure 3.20
]
eh
.,
.,
~ ~ CanadianSolar
3. Installation
[1 . ~[
= p
.
~J
.
100-300mm
I
0
Figure 3.22
3.8 External ground connection point
An OPTIONALexternal ground connection (PE) is provided on the right side of the inverter. To
use the OPTIONAL external ground connection (see Figure 3.23):
1
). Prepare the grounding conductor. Crimp a ring or fork (M4 size)terminal onto the
grounding conductor.
2). Connectthe grounding conductor(with crimped terminal} to the external ground
connection pointon the right side
of the inverter. Use a maximum torque of 20 in-lbs (2N-m).
Figure 3.23 Connectthe external grounding conductor
.31 .

4. Comm. & Monitoring ~ ~ canadianSolar
Overview
There are three (3) sets of terminals used for RS485 communication.
Terminal4 (Figure 3.8) has screwterminals
for a multiple invertercommunication
solution using a standard MODBUS cable such as Belden stranded cable.
Terminal 5 is a standard RJ45 terminal and is used
for creating a daisy chain connection
between inverters as well as the wired data monitoring.
TerminalS is a 4-pin connectorwhich is matched with Canadian Solarcommunication cables.
Monitoring system for multiple inverters
Multiples of inverters can be monitored in series using RS485 (as shown in Figure 4.1 ).
All 3 connectors supportthis type
of inverterconnection.
Figure 4.1 Multi-invertermonitoring system
.32.
~ ~ canadianSolar 4. Comm. & Monitoring
RS485 communication connection of RJ45 network port
When using terminal 5 (RJ45 connector) to connect, use the following wiring sequence.
Connectthe Ethernetcable according to the TIA/EIA
5688 standard. Insertthe wire into the
RJ45 plug and then use a standard network cable crimping tool to crimp connector to the cable.
4.1 RS485
4.1.1 Wiring a single inverterand daisychain inverters
Correspondence between the
cables and the stitches of plug
Pin 1: white and orange; Pin 2: orange
Pin 3: white and green; Pin 4: blue
Pin 5: white and blue ; Pin 6: green
Pin 7: white and brown ; Pin 8: brown
Pin 1 with 4 and 2 with 5 are
used for communication connection
Pin 1 and 4are connected with RS485+A
Pin 2 and 5are connected with RS485- B
Figure 4.2 Strip the insulation layer and connectto RJ45 plug
4.1.2 Maximum allowable inverters using RS485
The maximum allowable inverters per RS 485 daisy chain is 32 pes. Please contact
monitoring supplier
for details.
4.1.3 120-ohm (0) resistor placement
1200 resistor placement for end of line communication
Please contact monitorsupplier
for details.
.33.

5. Commissioning
~ ~ CanadianSolar
5.1 Selecting the appropriate grid standard
5.1.1 Verifying grid standard for country of installation
Canadian
Solar inverters are used worldwide and feature presetstandards for operating on any
grid. Although the grid standard is set atthe factory, it is essential the grid standard be verified
for the country of installation before commissioning.
The menu
for changing the grid standard or for creating a custom standard is accessible as
described in Section 6.7 and below.
WARNING
Failure to set the correct grid standard could result in
improper operation
of the inverter, inverter damage or the inverter to not operate at all.
5.2 Changing the grid standard
5.2.1 Procedure to setthe grid standard
.34.
NOTE
This operation is
for service technicians only. The inverter is customized
according to the local standard before shipping. There should be no
requirement to
set the standard.
NOTE
The "User-Def" function can
only be used by the service engineer and
changing the protection level
must be allowed by the local utlilty.
1. From the main screen on the display, select ENTER. There are 4 submenu options,
use the UP/DOWN arrows to highlightADVANCED SETTINGS. Press
enter to select.
Menu 2015-02-23
1935
-
Figure 5.1
~ ~ CanadianSolar
5. Commissioning
2. The LCD screen will showthata password is required. The default password is "0010",
press the DOWN key to move cursor, press the UP key to change the
highlighted digit.
Password 2015-02-23 19 35
Please InputThe Current Password
X X X
YES=<ENT> NO=<ESC>
Figure 5.2
3. Use the UP/DOWN keys to highlightthe SELECT STANDARD option. Press
enter to
select.
Advanced
Set. 2015-02-23 19 35
SelectStandard
Grid ON/OFF
PowerControl
Clear Energy
Restore Settings
Calibrate
Figure 5.3
Reset Password
Restart HMI
Special Settings
STD.Mode Settings
External EPM set
.35 .

5. Commissioning
~ ~ CanadianSolar
4. Selectthe grid standard for the country of installation (see Figure 3).
Select Standard
2015-02-23 19 35
Select Standard
lij'.Jiit!:Jel
YES=<ENT> NO=<ESC>
Figure 5.4
Press the UP
or DOWN key to selectthe standard (AS4777, VDE41 05, R21 P3-480, G59/3, CQC,
User-Deffunction, etc.). Press the ENTER key to confirm the setting. Press the ESC key to
cancel changes and return to the previous menu.
R21 P3-480 is defaultsetting for the U.S. and Canada markets. R21 P3-480Ais the standard for
inverterswith AFCI function.
.36.
5. Once the grid standard has been selected, select SAVE AND SEND on the following
screen to save the newgrid setting.
Save/Cancel
2015-02-23 19 35
.• ,.,,.
YES=<ENT> NO=<ESC>
Figure 5.5
~ ~ CanadianSolar
5. Commissioning
5.3 Setting a custom grid standard
WARNING
• Failure to setthe correct grid standard could result in improperoperation
of the inverter, inverter damage or the inverter to not operate at all.
• Only certified personnel should
set the grid standard.
• Only
set the grid configuration that is approved by your location and
national grid standards.
1. Please referto section 6.7 "Advanced Settings"
for procedures to create a custom grid
configuration
for User-Defmenu option.
5.4 Preliminary checks
WARNING
High Voltage.
AC and DC measurements should be made
only by certified electricians.
5.4.1 DC Connections
Verify DC connections.
1. Lightlytug on each DC cable to ensure it is
fully captured in the terminal.
2. Visuallycheck
for any wire strands that may not be inserted in the terminal.
3. Checkto ensure the terminal screws are the correcttorque.
5.4.2AC Connections
VerifyAC connections.
1. Lightlytug on eachAC cable to ensure it is
fully captured in the terminal.
2. Visually check
for any wire strands that may not be inserted in the terminal.
3. Checkto ensure the terminal screws are the correct torque.
5.4.3 DC configuration
Verify DC configuration.
5.4.3.1 VOC and Polarity
MeasureVOC, and check string polarity.
.37.