Sofar HYD 5KTL-3PH User manual
TABLE OF CONTENT
2HYD 5~20KTL-3PH
Table of Content
1 About this manual 5
1.1 Copyright declaration 5
1.2 Structure of the manual 5
1.3 Scope 5
1.4 Target group 6
1.5 Symbols used 6
2 Basic safety information 7
2.1 Safety information 7
2.2 Symbols and signs 10
3 Product features 13
3.1 Product information 13
3.2 Product dimensions 14
3.3 Labelling on the device 14
3.4 Functional features 15
3.5 Application modes 17
3.6 Connecting BTS 5K batteries 22
4 Installation 24
4.1 Installation information 24
4.2 Installation procedure 24
4.3 Examination before installation 25
4.4 Connections 28
4.5 Tools 30
4.6 Installation Environment Requirements 31
4.7 Installation location 31
4.8 Unpacking the inverter 33
TABLE OF CONTENT
HYD 5~20KTL-3PH 3
4.9 Installation of the inverter 34
5 Electrical connections 36
5.1 Safety instructions 36
5.2 Wiring overview 38
5.3 System overview 39
5.4 Electrical connection 44
5.5 Connecting the PE cables 44
5.6 Connecting the DC lines for the PV modules and battery 45
5.7 Connecting the AC power cables 48
5.8 AC connector installation 49
5.9 Communication interfaces 52
5.10 Feed-in limit function 68
5.11 System monitoring 68
5.12 Installation of the WiFi, or Ethernet stick 70
6 Commissioning the inverter 74
6.1 Safety test before commissioning 74
6.2 Double Check 74
6.3 Starting the inverter 74
6.4 Initial setup 75
6.5 Smartphone app SOFAR View 80
7 Operation of the device 82
7.1 Control panel and display field 82
7.2 Standard display 83
7.3 Energy storage modes 84
7.4 Menu structure 89
7.5 Firmware update 97
8 Troubleshooting handling 99
TABLE OF CONTENT
4HYD 5~20KTL-3PH
8.1 Troubleshooting 99
8.2 Error list 100
8.3 Maintenance 116
9 Technical Data 117
ABOUT THIS MANUAL
HYD 5~20KTL-3PH 5
1 About this manual
This manual contains important safety information that must be
observed during installation and maintenance of the device.
Carefully read this manual before use and retain it for future
reference!
This manual must be treated as an integral component of the
device. The manual must be kept in close proximity to the
device, including when it is handed over to another user or
moved to a different location.
1.1 Copyright declaration
The copyright of this manual is owned by SOFAR. It may not be
copied – neither partially nor completely – by companies or
individuals (including software, etc.) and must not be
reproduced or distributed in any form, or with the appropriate
means.
SOFAR reserves the right to final interpretation. This manual
may be amended following feedback from users or customers.
Please consult our website at http://www.sofarsolar.com for the
latest version.
The current version was updated on 9/4/23.
1.2 Structure of the manual
This manual contains important safety and installation
instructions that must be observed during installation and
maintenance of the device.
1.3 Scope
This product manual describes the installation, electrical
connection, commissioning, maintenance and fault elimination
procedures of the HYD 5~20KTL-3PH inverters.
ABOUT THIS MANUAL
6HYD 5~20KTL-3PH
1.4 Target group
This manual is intended for specialist electrical engineers who
are responsible for the installation and commissioning of the
inverter in the PV system, as well as the PV system operators.
1.5 Symbols used
This manual contains information on safe operation and uses
symbols to ensure the safety of persons and property as well as
the efficient operation of the inverter. Please read through the
following symbol explanations carefully in order to prevent
injury or property damage.
DANGER
Non-observance will result in death or serious injury.
Follow the warnings in order to prevent death or
serious injury!
WARNING
Non-observance may result in death or serious injury.
Follow the warnings in order to prevent serious injury!
CAUTION
Non-observance may result in minor injury.
Follow the warnings in order to prevent injury!
ATTENTION
Non-observance may result in property damage!
Follow the warnings in order to prevent damage to or
destruction of the product.
NOTE
Provides tips essential to the optimal operation of the
product.
BASIC SAFETY INFORMATION
HYD 5~20KTL-3PH 7
2 Basic safety information
NOTE
If you have any questions or problems after reading
the following information, please contact SOFAR
This chapter details the safety information pertaining to the
installation and operation of the device.
2.1 Safety information
Read and understand the instructions within this manual and
familiarise yourself with the relevant safety symbols in this
chapter before beginning with the installation of the device and
eliminating any faults.
Before connecting to the power grid, you must obtain official
authorisation from the local power grid operator in accordance
with the corresponding national and state requirements.
Furthermore, operation may only be carried out by qualified
electricians.
Please contact the nearest authorised service centre if any
maintenance or repairs are required. Please contact your dealer
to obtain information about your nearest authorised service
centre. Do NOT carry out repairs on the device yourself; this may
lead to injury or property damage.
Before installing the device or carrying out maintenance on it,
you must open the DC switch in order to interrupt the DC
voltage of the PV generator. You can also switch off the DC
voltage by opening the DC switch in the generation junction
box. Not doing this may result in serious injury.
2.1.1 Qualified personnel
Personnel tasked with the operation and maintenance of the
device must have the qualifications, competence and
experience required to perform the described tasks, while also
being capable of fully understanding all instructions contained
within the manual. For safety reasons, this inverter may only be
installed by a qualified electrician who:
BASIC SAFETY INFORMATION
8HYD 5~20KTL-3PH
-has received training on occupational safety, as well as the
installation and commissioning of electrical systems
-is familiar with the local laws, standards and regulations of
the grid operator.
SOFAR assumes no responsibility for the destruction of property
or any injuries to personnel caused by improper usage.
2.1.2 Installation requirements
Please install the inverter according to the information
contained in the following section. Mount the inverter to a
suitable object with a sufficient load-bearing capacity (e.g. walls,
PV frames etc.) and ensure that the inverter is upright. Choose a
suitable place for the installation of electrical devices. Ensure
that there is sufficient space for an emergency exit which is
suitable for maintenance. Ensure sufficient ventilation in order
to guarantee an air circulation for the cooling of the inverter.
2.1.3 Transport requirements
The factory packaging is specifically designed to prevent
transport damage, i.e. violent shocks, moisture and vibrations.
However, the device must not be installed if it is visibly
damaged. In this case, notify the responsible transport company
immediately.
2.1.4 Labelling on the device
The labels must NOT be concealed by items and foreign objects
(rags, boxes, devices, etc.); they must be regularly cleaned and
kept clearly visible at all times.
Observe all applicable electrical regulations when working with
the Solar inverter.
BASIC SAFETY INFORMATION
HYD 5~20KTL-3PH 9
DANGER
Dangerous DC voltage
Before establishing the electrical connection, cover the
PV modules using opaque material or disconnect the
PV generator from the inverter. Solar radiation will
cause dangerous voltage to be generated by the PV
generator!
DANGER
Danger through electric shock!
All installations and electrical connections may only be
carried out by trained electricians!
IMPORTANT
Authorisation for grid feed-in
Obtain authorisation from the local power grid
operator before connecting the inverter to the public
power grid.
NOTE
Voiding of guarantee
Do not open the inverter or remove any of the labels.
Otherwise, SOFAR shall assume no guarantee.
2.1.5 Operation
DANGER
Electric shock
Contact with the electrical grid or the device's
terminals may result in an electric shock or fire!
Do not touch the terminal or the conductor which is
connected to the electrical grid.
Follow all instructions and observe all safety
documents that refer to the grid connection.
BASIC SAFETY INFORMATION
10 HYD 5~20KTL-3PH
CAUTION
Burning due to hot housing
While the inverter is being operated, several internal
components will become very hot.
Please wear protective gloves!
Keep children away from the device!
2.1.6 Repair and maintenance
DANGER
Dangerous voltage!
Before carrying out any repair work, first switch off the
AC circuit breaker between the inverter and power
grid, and then the DC switch.
After switching off the AC circuit breaker and the DC
switch, wait a minimum of 5 minutes before starting
any maintenance or repair work.
IMPORTANT
Unauthorised repairs!
Following the elimination of any faults, the inverter
should be fully functional once more. Should any
repairs be required, please contact a local authorised
service centre.
The internal components of the inverter must NOT be
opened without the relevant authorisation. Shenzhen
SOFARSOLAR Co., Ltd. assumes no responsibility for
any resulting losses or defects.
2.2 Symbols and signs
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