CanadianSolar CSI-5K-S22002-E User manual

CSI-5K-S22002-E
CSI-5K-S22003-E
PV Inverter User Manual
(Part No: 91000071 Release Date: March, 2023)

Contents
1 Introduction................................................................................................................................................... 1
1.1 General Information............................................................................................................................... 1
1.2 User Manual Disclaimer ......................................................................................................................... 1
1.3 Limitation of Liability............................................................................................................................. 1
1.4 Target Group ........................................................................................................................................... 1
1.5 Symbol Conventions ............................................................................................................................... 1
1.5.1 Warnings in the Manual ................................................................................................................................1
1.5.2 Labels on Product and Packaging................................................................................................................2
2 Safety Instruction.......................................................................................................................................... 2
2.1 General Safety......................................................................................................................................... 2
2.2 Notice for Use.......................................................................................................................................... 2
2.2.1 Personnel Requirements ...............................................................................................................................2
2.2.2 Operation Requirements...............................................................................................................................2
2.2.3 Protecting Labels ............................................................................................................................................2
3 Product Overview .......................................................................................................................................... 3
3.1 Product Introduction.............................................................................................................................. 3
3.2 Appearance.............................................................................................................................................. 3
3.3 Product Nameplate ................................................................................................................................ 4
4 Storage ........................................................................................................................................................... 4
5 Unpackaging and Inspection ....................................................................................................................... 5
6 Installation..................................................................................................................................................... 5
6.1 Basic Installation Requirements........................................................................................................... 5
6.2 Mounting Wall-mounting Bracket ........................................................................................................ 6
6.3 Installing Inverter .................................................................................................................................. 7
7 Electrical Connection .................................................................................................................................... 8
7.1 Safety ....................................................................................................................................................... 8
7.2 Recommended Cables ............................................................................................................................ 8
7.3 Meter / CT Connection (Optional) ......................................................................................................... 8
7.4 Wiring PE Cable ....................................................................................................................................... 8
7.5 Wiring AC Output.................................................................................................................................... 9
7.6 Wiring DC Input .................................................................................................................................... 10
7.6.1 Requirement for DC Input.......................................................................................................................... 11
7.6.2 Wiring ............................................................................................................................................................ 11
7.6.3 Connecting PV Array (DC Input) ................................................................................................................ 12
7.7 DRED Port Connections ........................................................................................................................ 12
8 Communication ........................................................................................................................................... 13
8.1 Communication Mode.......................................................................................................................... 13
8.2 External WiFi ......................................................................................................................................... 13

8.3 RS485 ...................................................................................................................................................... 14
9 Commissioning Inverter............................................................................................................................. 14
9.1 Electrical Inspection ............................................................................................................................. 14
9.2 Mechanical Inspection ......................................................................................................................... 14
9.3 Start-UP Inverter .................................................................................................................................. 14
9.4 CSI CloudPro App Local Mode.............................................................................................................. 15
9.4.1 Download and Install the CSI Cloudpro APP ........................................................................................... 15
9.4.2 Register an Installer Account..................................................................................................................... 15
9.4.3 Local Mode ................................................................................................................................................... 16
9.4.4 Parameters Setting...................................................................................................................................... 17
9.4.5 Exit Local Mode............................................................................................................................................ 22
9.5 LED Indicators ....................................................................................................................................... 22
9.6 Switch off ............................................................................................................................................... 22
10 Daily Maintenance .................................................................................................................................... 23
11 Troubleshooting ........................................................................................................................................ 23
11.1 Warning ............................................................................................................................................... 23
11.2 Errors.................................................................................................................................................... 23
12 Handling the Inverter ............................................................................................................................... 25
12.1 Removing Inverter.............................................................................................................................. 25
12.2 Packing Inverter ................................................................................................................................. 25
12.3 Disposing Inverter .............................................................................................................................. 25
13 PV System Installation.............................................................................................................................. 26
Appendix A: Acronyms and Abbreviations .................................................................................................. 27
Appendix B: Specification .............................................................................................................................. 28
Appendix C: CT Installation Manual Guide .................................................................................................. 29
1. Scope ........................................................................................................................................................ 29
2. CT Specification....................................................................................................................................... 29
3. CT installation ......................................................................................................................................... 29
3.1 System Diagram. ............................................................................................................................... 29
3.2 Wiring Signal Cable ........................................................................................................................... 29
3.3 Install the CT...................................................................................................................................... 30
3.4 Setting on the Inverter (Default Setting is “OFF”)......................................................................... 30
Appendix D: Single-Phase Meter Installation Guide................................................................................... 31
1. Scope ........................................................................................................................................................ 31
2 Meter Specification .............................................................................................................................. 31
3. Meter installation ................................................................................................................................... 31
3.1 System Diagram ................................................................................................................................ 31
3.2 Wiring Signal Cable ........................................................................................................................... 31
3.3 Wiring Electrical Cable...................................................................................................................... 32
3.4 Setting on the Inverter (Default Setting is “OFF”)......................................................................... 32

1 Introduction
1 / 32
1 Introduction
1.1 General Information
This manual provides important safety information on relating to the installation, maintenance and usage of single
phase PV inverters. Both users and professional installers must read these guidelines carefully and strictly follow
these instructions. Failure to follow these instructions may result in death, serious injury or property damage.
Only qualified professionals and service personnel can do the installation and operation (refer to 62109-1). Installers
must inform end-users (consumers) about the aforesaid information accordingly.
This manual is only valid for the PV inverter type CSI-5K-S22002-E and CSI-5K-S22003-E produced by CSI Solar Co., Ltd.
1.2 User Manual Disclaimer
The information contained in this manual is subject to change by CSI Solar Co., Ltd. without prior notice. CSI Solar Co.,
Ltd. gives no warranty of any kind whatsoever, either explicitly or implicitly, with respect to the information contained
herein.
In the event of any inconsistency among different language versions of this document, the English version shall
prevail. Please refer to our product lists and documents published on our website at: http://www.csisolar.com as
these lists are updated on a regular basis.
1.3 Limitation of Liability
CSI Solar Co., Ltd. shall not be held responsible for damages of any kind, including-without limitation-bodily harm,
injury or damage to property, in connection with handling PV inverters, system installation, or compliance or non-
compliance with the instructions set forth in this manual.
1.4 Target Group
This document is intended for installers and users.
1.5 Symbol Conventions
The symbols that may be found in this document or on the product packaging are defined as follows.
1.5.1 Warnings in the manual
A warning describes a hazard to equipment or personnel. It calls attention to procedure or practice.
Symbol
Description
DANGER
DANGER indicates an imminently hazardous situation which, if not avoided, will result in death
or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury.
CAUTION
CAUTION indicates a potentially hazardous situation which, if not avoided, could result in minor
or moderate injury.
NOTICE
NOTICE indicates a situation which, if not avoided, could result in equipment or property
damage.
Information
Information indicates that you must read carefully to ensure optimal operation of the system.

2 Safety Instruction
2 / 32
1.5.2 Labels on product and packaging
Symbol
Description
Hot surfaces！
Risk of burns due to hot components!
Danger to life due to high voltage!
Time need to discharge stored energy in the capacitors.
Grounding
Direct Current (DC)
Alternating Current (AC)
Check the user manual before service.
CE mark.
WEEE designation.
2 Safety Instruction
2.1 General Safety
The Inverter has been designed and tested strictly according to the international safety codes, however, certain safety
precautions must be observed when installing and operating this inverter. Read and follow all the instructions,
cautions and warnings in this user manual carefully before any work and keep this manual for future reference.
2.2 Notice for Use
2.2.1 Personnel requirements
Only qualified personnel are allowed to install and commission the inverter, they should:
1) Receive professional training and get the authorization.
2) Be familiar with the safety specification about the electrical system.
3) Be familiar with the local requirements, rules and regulations.
4) Understand the composition and working principles of the grid-tied PV system.
2.2.2 Operation requirements
Use the inverter in installations that meet the following specifications only.
1) Permanent installation is required.
2) The electrical installation must meet all the applications and standards.
3) The inverter must be installed according to the instructions stated in this manual.
4) The inverter must be installed according to the correct technical specifications.
5) To startup the inverter, the Grid Main Switch (AC) must be switched on, before the solar panel’s DC solar switched
on. To stop the inverter, the Grid Supply Main Switch (AC) must be switched off before the solar panel’s DC isolator
switched off.
2.2.3 Protecting labels
1) Do not scrawl or damage any labels on the inverter enclosure because these labels contain important information
about safe operation.
2) Do not scrawl or damage the nameplate on the inverter enclosure. This nameplate contains important product
information.

3 Product Overview
3 / 32
3 Product Overview
3.1 Product Introduction
The inverter is single-phase grid-connected PV string inverter without transformer, which can convert the DC power
from the photovoltaic (PV) strings into alternating current (AC) power, and feed the power into the power grid.
This document involves the product model: CSI-5K-S22002-E and CSI-5K-S22003-E.
PV grid-connected systems mainly include PV modules, DC switches, inverters, AC switches, electricity meters,
and local grid. The PV power system diagram is shown as FIG.3-1.
KWH
PV Modules DC Switch Inverter AC Switch Electricity Meter Utility Grid
FIG. 3-1 PV Power System Diagram
3.2 Appearance
Front view and bottom view
AC OUTPUTCT/METERCOMM. PORTDRM
PV-1 PV-2
VENT VALVEDO NOT DISCONNECT UNDER LOAD!
DC SWITCH
ON OFF
ABCE F GH I
D
FIG. 3-2 Inverter Appearance
Object
Name
Description
Ａ
LED indicator
Indicates inverter operation status.
B
DC disconnect switch
Disconnects the DC current safely. For long term durability do not
use under full load or switch of AC power before.
C
DC input connectors
/
D
DRM receptacle
Connects DRM.
E
Communication port
Connects wireless datalogger (WiFi), RS485.
F
Waterproof and breathable valve
/
G
CT / Meter receptacle
Connects CT or Meter.
H
AC receptacle
Jack/Receptacle for AC/grid connection
I
External ground point
/

4 Storage
4 / 32
3.3 Product Nameplate
The nameplate provides a unique identification of the inverter (Product type, device -specific characteristics,
certificates and approvals).
The nameplate is on the left side of the enclosure.
Product Name: Grid-connected PV Inverter
Model Number: CSI-5K-S22003-E
Vmax. PV(absolute max.): 600V dc
MPPT Voltage Range: 100~500V dc
Max. Input Current: 15/15 A dc
Max. Short-Circuit Current: 18.8/18.8 A dc
Rated Output Power: 5000W
AC Nominal Voltage: 230V ac
AC Nominal Frequency: 50Hz
Max.Output Current: 21.7A ac
Power Factor: ＞0.99(0.8 leading...0.8 lagging)
Overvoltage Class: ll(DC), lll(AC)
Degree of Protection: IP65
OperatingTemperature Range: -25°C...+60°C
5mins
LED Indicators
Normal
Waiting
Steady Green
Blinking Green
No DC Input
Off
ErrorSteady Red
624300XXXX(For Australia market)
More details, please refer
to the user manual.
(Scan the QR code)
Max. Output Apparent Power: 5000VA
Rated Apparent Power: 5000VA
Protective Class: Class I
Topology: Transformerless
FIG.3-3 Inverter Nameplate (for reference)
4 Storage
The following requirements should be met when the inverters need to be stored:
Do not unpack the inverter.
Storage temperature: –40°C ~ +70°C.
Storage humidity: 0% ~ 100%RH (Non-Condensing).
The warehouse should be clean, well-ventilated, and non-corrosive gas (corrosive or flammable gases), meanwhile it
should be accessible all the time.
No smoking, no illegal use of electricity and fire.
When storing inverters, do not stack more than the allowed layers to avoid damage, which number marked on the
product packaging.
Do not tilt the package or place it upside down.
Regular inspection is required during the storage.
After long periods storage, the inverters need to be inspected and tested by technical Engineer before they are put
into use.

5 Unpackaging and Inspection
5 / 32
5 Unpackaging and Inspection
Before unpacking the inverter, check the package appearance thoroughly, such as for holes and cracks, and check the
inverter model accordingly. If you discover any damage to the packaging which indicates the inverter may have been
damaged, or the inverter model is not the one you requested, do not unpack the product and contact the local dealer
immediately.
After opening the package, check all of the accessories carefully in the carton. If any damage is found or any
component is missing, contact your local installer.
Note: For details information about the components, see the packing list document in the packing case.
6 Installation
6.1 Basic Installation Requirements
1) Do not install the inverter on the structures constructed of flammable, thermolabile or explosive materials.
2) The installation surface must be strong enough to bear the inverter's weight for a long period time. (Please check
the inverter’s weight in the product specification of Appendix B).
3) The inverter is protected to IP65, can be installed indoors and outdoors.
4) The humidity of the installation location should be below 100% without condensation.
5) The ambient temperature should be between -25°C to 60°C.
6) Install at eye-level for easy operation.
7) Do not install the inverter near television antenna or any other antennas and antenna cables.
8) Ensure the inverter is out of children's reach.
9) Install inverter at the locations with some cover or protection, to ensure the optimum operation.
FIG.6-1 Inverter Installation Positions FIG.6-2 Forbid to Install in Small Closed Cabinet
10) Do not install in small closed cabinet where air cannot circulate freely. Do not put any other objects on the
inverter, as per FIG.6-2.
11) Comply with the Min. clearance to walls, other inverters, or objects to ensure the installation and maintenance,
meanwhile for the good heat dissipation.
FIG.6-3 Installation Clearance Requirement
Direction
Min. clearance (cm)
Above
50
Below
50
Sides
30
Front
30

6 Installation
6 / 32
Min.30 cm
Min.50 cm
Min.30 cm Min.30 cm Min.30 c m Min.30 cm
Min.30 cm Min.30 cm Min.30 cm Min.30 cm
Min.50 cm Min.50 cm Min.50 cm
Min.50 cm Min.50 cm Min.50 cm
Min.50 cm Min.50 cm Min.50 cm Min.50 cm
FIG.6-4 Staggered Installation Mode (Recommended)
12) Install the inverter vertically or at a maximum backward tilted angle of 15 degrees to facilitate heat dissipation,
and to ensure that no moisture can penetrate the product.
≤15°
FIG.6-5 Installation Angle Requirements
13) Do not install the inverter outdoors in salt, sulfur or other corrosive areas.
The inverter would be corroded in salt (i.e. marine environments) area, and the corrosion may cause fire. In salt area
refers to the region within 500 meters from the coast.
Please consult the CSI Solar Co., Ltd. Technical support department on the use of inverters in special climates (i.e. salt,
sulfur, or ammonia areas) which may affect the product warranty.
6.2 Mounting Wall-mounting Bracket
Danger
To avoid electrical shock or other injury, please inspect existing electronic or plumbing installations
before drilling holes.
Installation steps:
1) Use the wall-mounting bracket as a template and mark the positions of the drill holes, then drill the 4 holes
accordingly, as per FIG. 6-6. (Diameter = 11 mm, Depth ≥ 55 mm).
Note: The external dimensions (W x H, 355 x 435 mm) of inverter are shown as a dashed line in FIG. 6-6.

6 Installation
7 / 32
238 45 153
53 250
FIG.6-6 Drilling Positions
2) Drill expansion anchors into the corresponding four holes, and then fix the wall-mounting bracket to the wall with
self-tapping screws (spec, ST 6.3 x 50), as per FIG. 6-7 & FIG. 6-8.
FIG.6-7 Install Expansion Anchors FIG.6-8 Fix Wall-mounting Bracket
6.3 Installing Inverter
Note: It must be ensured that the wall-mounting bracket is properly fixed was accurately mounted fixed to the wall before
installing the inverter.
Installation steps:
1) Hang the inverter on wall-mounting bracket. Keep balance during the operation to prevent device damage from
colliding with walls or obstacles, as per FIG. 6-9.
2) Use two safety bolts to fix both sides of inverter to ensure the inverter fixed to the wall firmly, as per FIG. 6-10.
FIG. 6-9 Hang the Inverter on Wall-mounting Bracket FIG. 6-10 Fix Both Sides of Inverter

7 Electrical Connection
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7 Electrical Connection
7.1 Safety
Danger
Danger to life due to lethal voltages in the inverter!
Before performing any work on the inverter, must disconnect both AC and DC sides.
Warning
Damage to electronic components may happen due to electrostatic discharge. Take appropriate ESD
precautions when replacing and installing the inverter.
Note: Testing for multiple phase combinations as per AS/NZS 4777.2:2020 Section 5 has not been conducted.
7.2 Recommended Cables
Cable Name
Cable Type
Conductor Cross-Sectional Area
Outer Diameter
DC input cable
PV cable, above 600V.
4~6mm2
5.5~7.4mm
AC output cable
Three cores outdoor cable with
copper conductor (L, N, PE)
4~6mm2
10~14mm
PE cable
Single core outdoor cable with
copper conductor.
4~6mm2
N/A
Note: No cable is supplied.
7.3 Meter / CT Connection (Optional)
The inverter has integrated export limitation functionality. To use this function, a power meter or a CT must be
installed.
For installation and operation methods, see Appendix part of meter and CT installation guides.
7.4 Wiring PE Cable
To achieve ground protection purpose, the inverter must be connected to the AC grounding conductor of the utility
grid via PE cable.
Warning
Because of the transformerless design, the DC positive pole and DC negative pole of PV arrays
cannot do grounding.
Note: The PE point at the AC output point is used only as a PE equipotential point, and cannot substitute for the PE
point on the enclosure.
Procedure steps:
1) Insert the grounding conductor into the suitable terminal lug and crimp the contact.
2) Fix terminal lug on external ground point by screw M4x10. Torque: 1.4 N.m.
FIG. 7-1 External Grounding Point Position
Note:
The inverter complies with AS/NZS 5033. The installer does not need to perform any additional action, as this is
already set up. In the event of an earth fault, there will be a buzzer sound and a red light. The buzzer in the inverter
will keep ringing unless the fault condition is cleared.

7 Electrical Connection
9 / 32
7.5 Wiring AC Output
Warning
To ensure the inverter can be safely disconnected with load, must install a separate single-phase
circuit-breaker or other load disconnection unit for each inverter.
Note: The inverter is equipped with integrated RCM (Residual current operated monitor) and RCD
(Residual current protective device). The rated residual current of the circuit breaker must be over
100mA when the AC circuit breaker with RCM function selected.
Note: If an external RCD is used, a device of type A should be used, with a tripping current of 100mA or
higher.
Notice
The total capacity of PV-inverter is more than 3KW and less than or equal 6KW, the inverter's
displacement power factor is adjustable between 0.95 leading to 0.95 lagging, and do not need
external SPI.
The total capacity of PV-inverter is more than 6KW, the inverter's displacement power factor is
adjustable between 0.9 leading to 0.9 lagging, meanwhile need external SPI.
Install an independent two-pole circuit breaker at the output side of the inverter for protection, the recommended AC
circuit-breaker specifications is as follows:
Inverter type
AC circuit-breaker specifications
CSI-5K-S22002-E
CSI-5K-S22003-E
32A
Recommend maximum AC cable length:
Inverter type
Conductor cross section 4.0mm2
Conductor cross section 6.0mm2
CSI-5K-S22002-E
CSI-5K-S22003-E
29 (m)
43 (m)
AC Three-core cable:
The grid connection is established by using three-core wire (L, N, and PE, as per FIG. 7-3).
Components of AC connector:
The AC connector is made of four components: pressure nut, sealing ring, threaded sleeve, plug.
Pressure Nut Sealing Ring Threaded Sleeve Plug (Metal pins and shell)
FIG. 7-2 Components of Connector
Procedure steps:
1) Strip the cable’s jacket, and then adjust the relative length of L, N and PE cables, to make the length of PE cable is at
least 5mm longer than L and N ones, as per FIG. 7-3.
2）When using flexible cables, the conductor must be connected with suitable core end ferrules according to DIN
46228-4, as per FIG. 7-4.
50.0
45.0
PE
N
L
8.0 L N PE
FIG. 7-3 Adjust the Cable Length FIG. 7-4 Crimp the Three-core’s Ferrule
Insert the L, N, and PE conductors into the corresponding pins of the plug (as per FIG. 7-5), then tighten the fastening
screws by screwdriver to fix conductors firmly (Torque, 1.4 N.m):

7 Electrical Connection
10 / 32
L
N
PE
B
BB-B
N
PE
L
FIG. 7-5 AC Terminal Positions
3) Push the threaded sleeve into the plug, screw the press nut tightly.
FIG. 7-6 Tighten the AC Connector
4) Finally, insert the AC connector into the corresponding AC receptacle on the inverter. Pay attention to the polarities
to make sure the correct assembling.
2
1
FIG. 7-7 Install the AC Connector
5) Protective cover installation procedure steps:
a) Put the two covers on the AC connector, as per FIG.7-8.
b) Use two self-tapping screws to lock the protective cover firmly. Torque: 0.4 N.m.
FIG. 7-8 Install the Protective cover
7.6 Wiring DC Input
Note: The DC connectors are in paired (negative and positive ones). Pay attention to the polarities when assembling.
FIG. 7-9 DC Input Connectors

7 Electrical Connection
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7.6.1 Requirement for DC input
This single-phase inverter is equipped with two MPP trackers.
Requirements for PV modules strings:
1) Same type PV modules for each string.
2) The power, voltage (startup and open-circuit voltage) and operating current of each PV strings must meet the
allowable value of the inverter.
Note: Consider temperature coefficient of the PV modules;
Check the inverter parameters in section Appendix B.
7.6.2 Wiring
Negative Coupler & Contactor Pin Positive Coupler & Contactor Pin.
FIG. 7-10 Structure Illustration of DC Connector
Procedure steps
1) Strip the insulation of cable to about 7.5mm with the wire stripper tool. Note do not damage the conductors when
do the stripping, as per FIG. 7-11.
2) Place the contact around the conductors of the stripped cable, then crimp the contact with wire crimping pliers, as
per FIG. 7-12.
Ensure the conductors completely wrapped without loosening or damage.
FIG. 7-11 Strip the Cable Insulating Layer FIG. 7-12 Crimp the Contact
3) Insert the crimped contact pin into the connector back until one click audibly. Pull lightly on the cable to ensure the
contact pins of the connectors are engaged. Pay attention to the polarities when assembling.
4) Tighten the nut with a special wrench. Torque: 2.5~2.9 N.m.
FIG. 7-13 Insert the Contact FIG. 7-14 Tighten the Cable Gland
5) Insert the assembled connectors into the bottom terminal of the inverter until one sound click audibly.
The locked DC connectors can only be disconnected with special tool.

7 Electrical Connection
12 / 32
FIG. 7-15 Illustration of DC Ports
7.6.3 Connecting PV array (DC input)
Danger
Ensure the DC switch and AC breaker both are disconnected from the inverter before connect the PV
arrays.
Never connect PV array positive or negative pole to the ground, it could cause serious damages to the
inverter.
Warning
Improper operation during the wiring process can cause fatal injury to the operator or unrecoverable
damage to the inverter.
Only qualified personnel can perform the wiring work.
7.7 DRED port connections
This inverter is complied with the demand response mode (DRM, refer to AS/NZS 4777.2:2020), and RJ45 socket is
used for as DRED connection.
Connector pin definitions:
PIN
Assignment for inverter capable of
both charging and discharging
Pin assignments front view
1
DRM 5
81
RJ45 Socket
RJ45 Plug
1
8
2
DRM 6
3
DRM 7
4
DRM 8
5
RefGen
6
COM / DRM 0
7
/
8
/
Methods for asserting demand response modes:
Mode
RJ45 socket
Asserted by shorting pins
Requirement
DRM 0
5
6
Operate the disconnection device.
DRM 5
1
5
Do not generate power.
DRM 6
2
5
Do not generate at more than 50% of rated power.
DRM 7
3
5
Do not generate at more than 75% of rated power.
And sink reactive power if capable.
DRM 8
4
5
Increase power generation (subject to constraints from other active DRM)
Note: Only DRM 0 command supported.
The DRM connector is made of four components: sealing nut, sealing ring, threaded sleeve, plug.

8 Communication
13 / 32
Sealing Nut Sealing Ring Threaded Sleeve Shim
FIG. 7-16 Components of DRM Connector
Procedure steps:
1) Route the network cable through threaded sleeve;
FIG. 7-17 Route the Network Cable
2) Prepare the RJ45 plug according to the line sequence;
FIG. 7-18 Prepare the RJ45 Plug
3) Insert the RJ45 plug kit to the DRM receptacle on the inverter, and tighten the locknut;
FIG. 7-19 Install the RJ45 Plug Kit
8 Communication
8.1 Communication Mode
Multi communication patterns for option, RS485 (Built-in module), and WiFi, with the communication port M16.
8.2 External WiFi
More details for installation and operation methods please refer to the WiFi data logger user manual.

9 Commissioning Inverter
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AC OUTPUTCT/METERCOMM. PORTDRM
PV-1 PV-2
VENT VALVEDO NOT DISCONNECT UNDER LOAD!
DC SWITCH
ON OFF
FIG. 8-1 Communication Port
8.3 RS485
Connect the communication port with a RS485-to-usb port converter via RS485 serial line, and then connect this
module to PC.
9 Commissioning Inverter
9.1 Electrical Inspection
1) Check PE connections with multi-meter:
To make sure all the bare metal surfaces of the inverter are grounded.
2) Check DC voltage value:
Check if the DC voltage of the PV string exceeds the allowable range.
3) Check the polarities of the DC voltage:
To make sure the DC polarities are correct.
4) Check the ground insulation of PV array with multi-meter:
Ensure the impedance value of ground insulation is more than 1MOhm.
5) Check all the inverter terminals:
Ensure all unused terminals of the inverter are properly sealed with protection covers.
6) Do not remove protection covers of all the terminals before wires connected, such as DC, AC, CT/Meter and WiFi
terminals. Otherwise, the IP rating will be affected.
9.2 Mechanical Inspection
1) Ensure the inverter is installed properly, fixed with a Wall-mounting bracket firmly, and the upper cover is installed
correctly.
2) Ensure the AC connectors are installed properly and fixed firmly.
3) Ensure the dust covers are sealed reliably which are used for the empty DC connectors.
4) Ensure all the cables are connected effectively, fixed firmly, and no visible damages to the insulation layers.
9.3 Start-UP Inverter
After electrical and mechanical inspections, first turn on the AC main switch/breaker, then turn on the DC switch. The
inverter will start automatically when the DC input voltage meets the performance requirement of the utility grid.
Normally there will be three statuses during the operation (refer to the LED indications):
1) Waiting:
Conditions: The initial DC voltage of the PV strings is greater than the Min. DC input voltage, but is lower than the DC
start-up input voltage.
Inverter cannot start-up normally and cannot feed power into utility grid either.
2) Checking:
Conditions: The initial voltage of the PV strings exceeds the start-up DC input voltage of the inverter. Meanwhile both
the voltage and frequency of the utility grid are normal.
Inverter will check the feeding conditions immediately. If anything wrong during checking, inverter will switch to the
“Fault” mode.

9 Commissioning Inverter
15 / 32
3) Normal:
Conditions: All the checking results are normal.
Inverter will switch to “Normal” mode and feed power into utility grid.
The inverter may turn on and off continuously during the period of low or absent sunlight due to the shortage of
power generated by the PV modules. If such fault occurs frequently, please contact the maintenance personnel.
9.4 CSI CloudPro App Local Mode
9.4.1 Download and Install the CSI CloudPro App
Scan QR code below to download and install CSI CloudPro App. (Both android and IOS systems are supported.)
1) Android: Scan QR code and open with browser, download App and install.
2) IOS: Scan QR code, open with browser, jump to App Store and download.
Note: For the monitoring and local APP information, please refer to documents published on our website at:
https://monitoring.csisolar.com/platformSelect.
FIG. 9-1 QR Code
9.4.2 Register an Installer Account
Following the steps as below to log in and register at the CSI Cloudpro Platform.
Notice:
1) System supports E-mail registration, as per FIG.9.2.
2) Password length must be greater than 6 bits, and consisting at least two kinds of numbers, letters and symbols.
FIG. 9-2 Register an Installer Account

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9.4.3 Local Mode
1) Enter “Application”, as per FIG.9.3.
2) Select “Local Mode”, scan logger SN and connect to logger AP.
FIG. 9-3 Connect to logger AP
3) Enter “Overview” page, and check the software version.
FIG. 9-4 Overview Page FIG. 9-5 Check the Software Version

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9.4.4 Parameters setting
Set parameters locally according to the local requirements.
Go to “Parameter Settings”.
1) Select country, shown as per FIG. 9.6.
Note: The default country code is Australia A.
Inverter provides preset protection parameters for each country code.
FIG. 9-6 Select Country
2) Set Power Quality Response Modes
a) Power derating for voltage variation (Volt-Watt mode), as per FIG. 9.7
FIG. 9-7 Power Derating for Voltage Variation (Volt-Watt mode)