Kaco blueplanet 87.0 TL3 User manual

Operating Instruction
nTranslation of German original
S
KACO blueplanet 87.0 TL3
KACO blueplanet 92.0 TL3
KACO blueplanet 110 TL3
KACO blueplanet 125 TL3
KACO blueplanet 137 TL3
KACO blueplanet 150 TL3
These instructions form part of the product and must be carefully read, observed and stored in a place which is freely accessible at all
times.
Authorised electrician
IMPORTANT SAFETY INSTRUCTION

dĂďůĞŽĨĐŽŶƚĞŶƚƐ
English ..................................................................................................................... 3
Deutsch.................................................................................................................... 29
Français.................................................................................................................... 55
Español .................................................................................................................... 81
Portuguese .............................................................................................................. 107
Italiano..................................................................................................................... 133
Nederlands .............................................................................................................. 159
Polski ....................................................................................................................... 185
Türkçe ...................................................................................................................... 211

Legal provisions
The informaon presented in this document is the property of KACO new energy GmbH. Publicaon of this document, in
whole or in part, is subject to the wrien consent of KACO new energy GmbH.
KACO warranty
The latest version of our warranty condions is available for download at hp://www.kaco-newenergy.com.
Definions on product designaons
In these operang instrucons, the product "Photovoltaic feed-in inverter" is referred to as "device" for ease of reading.
Trademarks
All trademarks are recognized, even if not explicitly idenfied as such. although they may not be specifically designated as
such.
Soware
This device contains open source soware that has been developed by third pares. The soware is licensed, amongst
others, under GPL and LGPL.
Other details regarding this topic and a list of the open source soware used as well as the associated license texts can be
found in the info display of the web interface under "license list".
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
Page 3
EN
Installaon tools
The abbreviaons listed in the following table are used when referring to the tools and ghtening torques to be used in
all assembly/installaon/maintenance and disassembly instrucons.
Abbreviaons (en) Contour of the
connecng element
WExternal hex
A Internal hex
TTorx
SSlot
Tab. x: Tool abbreviaons legend
Outer contour
Tightening torque
Spanner size or number
Nm
Fig. y: Presentaon format

KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet
125 TL3 KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
Page iv
Table of contents
1 General information..................................................... 5
1.1 About this document.............................................. 5
1.2 Layout of Instructions............................................. 5
1.3 Target group...........................................................6
2 Safety........................................................................... 6
2.1 Intended use...........................................................7
2.2 Protection features................................................. 8
3 Device description........................................................ 8
3.1 Function.................................................................. 8
3.2 Plant layout ............................................................ 9
4 Technical data............................................................ 10
4.1 Electrical data ....................................................... 10
4.2 General data......................................................... 11
4.3 Environmental data .............................................. 11
4.4 Device variants ..................................................... 11
5 Assembly and preparation ......................................... 12
5.1 Selecting an installation location..........................12
5.2 Unpacking the unit ............................................... 13
5.3 Fastening the mount ............................................14
5.4 Installing and securing the device ........................ 15
6 Installation................................................................. 16
6.1 General ................................................................. 16
6.2 Opening the device............................................... 16
6.3 Surveying the connection area.............................16
6.4 Making the electrical connections........................ 17
6.5 Connecting the device to the mains supply ......... 18
6.6 Connecting the PV generator to the device .........19
6.7 Establishing additional equipotential bonding..... 22
6.8 Sealing the connection area ................................. 22
7 Maintenance and troubleshooting ............................. 23
7.1 Visual inspection................................................... 23
7.2 Cleaning................................................................ 23
7.3 Replacing the fans ................................................ 24
7.4 Replacing overvoltage protection ........................25
7.5 Shutting down for maintenance / troubleshooting...
25
7.6 Overvoltage protection.........................................26
7.7 Disconnecting the connections.............................26
8 Decommissioning and removal....................................26
8.1 Switching off the device........................................26
8.2 Uninstalling the device..........................................27
8.3 Removing the device.............................................27
8.4 Packaging the device.............................................27
8.5 Storing the device .................................................27
9 Disposal ......................................................................28
10 Service and warranty...................................................28

1 General information
1.1 About this document
WARNING
Improper handling of the device can be hazardous!
›You must read and understand the operating instructions so that you can install and use the device
safely.
Other applicable documents
During installation, observe all assembly and installation instructions for components and other parts of the system.
These instructions also apply to the equipment, related components and other parts of the system.
Some of the documents which are required for the registration and approval of your system are included with the operat-
ing instructions.
You can find links to further information at www.kaco-newenergy.com
Document title Type of document
Technical data sheet Product flyer
Remote access via web user interface Instructions for use - operation
Grid protection and safety parameters
Standard parameters Instructions for use
Modbus© protocol
RS485 protocol reactive power control Instructions for use
SunSpec information model reference
SunSpec information model reference KACO Excel files regarding software version
Software package ZIP/KUF files for current software
EU Declaration of Conformity
Country-specific certificates
Module-specific certification
Certification
Storing the documents
These instructions and other documents must be stored near the plant and be available at all times.
You can download the current version of the operating instructions at www.kaco-newenergy.com.
English translation of German original
These operating instructions have been produced in several languages. The German-language version of the operating in-
structions is the original version. All other language versions are translations of the original operating instructions.
1.2 Layout of Instructions
1.2.1 Symbols used
General hazard Fire and explosion hazard
Electrical voltage Risk of burns
Earthing - ground conductor
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1.2.2 Guide to safety instructions
DANGER
Immediate danger
Failure to observe this warning will lead directly to serious bodily injury or death.
WARNING
Potential danger
Failure to observe this warning may lead to serious bodily injury or death.
CAUTION
Low-risk hazard
Failure to observe this warning will lead to minor or moderate bodily injury.
CAUTION
Risk of damage to property
Failure to observe this warning will lead to property damage.
1.2.3 Additional information symbols
NOTE
Useful information and notes
Information that is important in relation to a specific topic or objective but is not related to safety.
1.2.4 Layout of action steps
↻Pre-requisite for the action
1 Carry out first action step
2 Next action step
ðIntermediate outcome of the action step
»Final outcome
1.3 Target group
All activities described in the document may only be carried out by specially trained personnel with the following qualific-
ations:
Knowledge about how an inverter functions and operates.
Training in the handling of hazards and risks during the installation and operation of electrical units and plants.
Education concerning the installation and start-up of electrical units and plants.
Knowledge of applicable standards and directives.
Knowledge and adherence to this document with all safety notices.
2 Safety
Please read this safety information carefully before using the device for the first time.
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
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EN

DANGER
Lethal voltages are still present in the connections and cables of the device even after the device has
been switched off and disconnected!
Severe injuries or death may occur if the cables and/or terminals/busbars in the device are touched.
›The device must be mounted in a fixed position before being connected electrically.
›Observe all safety regulations and current technical connection specifications of the responsible power
supply company.
›The device may only be opened and serviced by an authorized electrician.
›Switch off the grid voltage by turning off the external circuit breakers.
›Do not touch the cables and/or terminals/busbars when switching the device on and off.
›Keep the device closed when it is in operation.
The electrician is responsible for observing all existing standards and regulations. This includes:
Keeping unauthorized persons away from the device/system.
In particular, making sure that the locally applicable version of the standard 1 "Requirements for special installations or
locations – solar photovoltaic (PV) power supply systems" is observed.
Ensuring operational safety by providing proper grounding, conductor dimensioning and appropriate protection
against short circuiting.
Observing all safety instructions on the device and in these operating instructions.
Before performing visual inspections and maintenance, switching off all voltage sources and securing them against be-
ing inadvertently switched back on.
When taking measurements while the device is live:
– Not touching the electrical connections
– Removing all jewelry from wrists and fingers
– Ensuring that the testing equipment is in safe operating condition.
Modifications to the surroundings of the device must comply with the applicable national standards.
2.1 Intended use
The device is a transformerless PV inverter which converts the direct current of the PV generator into grid-compatible
three-phase alternating current and then feeds the three-phase alternating current into the public power grid.
The device is built using state-of-the-art technology and in accordance with the recognized safety rules. Nevertheless, im-
proper use may cause lethal hazards for the operator or third parties or may result in damage to the device and other
property.
The device is intended for indoor and outdoor applications and may only be used in countries for which it has been ap-
proved or for which it has been released by KACO new energy and the grid operator.
Operate the device only with a permanent connection to the public power grid. The country and grid type selection must
be commensurate with the respective location and grid type.
The enclosed documentation is an integral part of the product. The documentation must be read, observed and stored in
a place which is freely accessible at all times.
The name plate must be permanently attached to the product.
1Country Standard
EU Harmonized document - HD 60364-7-712 (European im-
plementation of the IEC standard)
USA PV section of NEC 690 and sections in article 100, 690.4,
690.6 and 705.10
Tab.1: Examples of standards specific to business premises
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Any other use is regarded as unintended use.
This includes:
Use of a distribution system that is not described (grid type)
Use of sources other than PV-strings.
Mobile use
Use in rooms where there is a risk of explosion
Use in direct sunlight, rain or a storm or in other tough environmental conditions
Outdoor use in environmental conditions that exceed the limits stated in the technical specifications >Environmental
data [See section4.3}Page11].
Operation outside the specifications prescribed by the manufacturer
Modifying the device
Stand-alone operation
2.2 Protection features
The following monitoring and protection functions are built-in:
Overvoltage conductor/varistor to protect the power semiconductors from high-energy transients on the grid and gen-
erator side
Device temperature monitoring system
EMC filters to protect the product from high-frequency grid interference
Grid-side grounded varistors to protect the product against burst and surge impulses
Islanding detection (anti-islanding) according to the current standards
ISO/AFI detection of a generator insulation fault.
3 Device description
3.1 Function
The device converts the DC voltage generated by the PV modules into AC voltage and feeds it into the grid. The starting
procedure begins when there is sufficient sunlight and a specific minimum voltage is present in the device. The feed-in
process begins once the PV generator has passed the insulation test and the grid parameters are within the requirements
imposed by the grid operator for a specific monitoring time. If, as it gets dark, the voltage drops below the minimum
voltage value, feed-in mode ends and the device switches off.
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
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3.2 Plant layout
Inverter
with circuit-breaker
String combiner with
DC isolator switch
*
Switch box
Inverter
with circuit-breaker
AC
AC
String combiner with
DC isolator switch
RS485
PV generator PV generator
Fig.1: Circuit diagram with a short or long supply cable to the inverter
Grid connection point
PTransformer
Inverter
with circuit-breaker
S
XFMR MV/LV
Equivalent grid impedance
up to 25%
Fig.2: Circuit diagram from the grid connection point to the inverter
Legend Definition / Information about the connection
PV generator The PV generator converts the radiant energy of sunlight
into electrical energy.
String combiner
A string combiner can be coupled to the KACO device so
that the DC lines can be combined.
*) If the supply cable from the PV generator to the device is
long, the string combiner can also be installed in the vicinity
of the PV generator.
An integrated DC isolator switch enables disconnection on
the DC-side.
Switch box A switch box with integrated DC isolator switch enables dis-
connection from the inverter on the DC-side.
Inverter with circuit-breaker The PV generator is connected to the device's DC connec-
tion.
Transformer
All three phases need to be set up on the medium-voltage
transformer or medium-voltage/high-voltage transformer.
In this case, the total impedance of the transformer stations
must be below 25%.
Grid connection point The clean PV-current is made available at the grid connec-
tion point.
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4 Technical data
4.1 Electrical data
Input levels
Maximum recommended PV generator power
Device variants [See section4.4}Page11]
MPP range DC from (MPP tracker active) @Pnom
Min. voltage max. voltage in operation
Nominal voltage / Starting voltage
No-load voltage / absolute max. input voltage (Vmax PV) 1500 V
Max. input current (Inom PV) 160 A
Number of strings per MPPT / number of DC inputs per DC con-
troller 1-2
Number of MPP controls / number of DC input controls 1
Max. short-circuit current [ISC PV (max)] 300A
Max. input source feedback current 0A
Polarity safeguard no
String fuses no
DC overvoltage protection Yes
Output levels
Nominal output @ nominal voltage in volts
Device variants [See section4.4}Page11]
Nominal voltage
Voltage range: continuous operation
Nominal current
Max. continuous current 3 x 132.3 A
Contribution to peak short-circuit current (îp) 193 A
Initial short-circuit alternating current (lk” first single-period ef-
fective value) 137 A
Short-circuit alternating current duration 134 A
Start-up current 5 A [RMS (20ms)]
Nominal frequency / Frequency range 50/60 Hz / 45 - 65 Hz
Reactive power 0-100 % Snom
cos phi range 1 - 0.3 ind/cap
Number of feed-in phases 3
Distortion factor (THD) 3 %
Max. voltage range (up to 100 s) 825 V
AC overvoltage protection Base
General electrical data
Max. efficiency 99.2 %
European efficiency 99.1 %
Self consumption: Standby device / accessories < 10 W
Infeed from > 200 W
Transformer no
Protection class / overvoltage category I / 3
Grid monitoring Country-specific
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
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General electrical data
Distribution system TN system, TT system, Solid grounded wye
4.2 General data
General data
Display LEDs
Control elements / operating control Button / web server
Menu language EN; DE; FR; IT; ES; PL; NL; PT; CZ; HU; SL; TR; RO
Interfaces 2 x Ethernet, USB, 2x RS485 (1x reserved for string com-
biner com.), optional: 4-DI
Fault signal relay yes (integrated switch)
DC switch / AC switch no / no
Cooling temp. regulated fan, max air throughput 364 m³/h
Number of fans 3x outside, 1x inside
Noise emission <60 db(A)
Housing material AL
H x W x D 719 mm x 699 mm x 460 mm
Weight 78.2 kg
Certification Overview: see homepage, download area
4.3 Environmental data
Environmental conditions
Max. installation height 3000m (derating from 2000m)
Distance to coastline from installation >500 m
Ambient temperature of -25 °C - 60 °C
Power derating from > 45 °C
Protection rating (KACO installation site) IP66 /NEMA 4X
Relative humidity, non-condensing (in operation) 100 %
4.4 Device variants
Device variants KACO blue-
planet 87.0
TL3 M1 WM
OD IIF0
KACO blue-
planet 92.0
TL3 M1 WM
OD IIG0
KACO blue-
planet 110 TL3
M1 WM OD
IIK0
KACO blue-
planet 125 TL3
M1 WM OD
IIP0
KACO blue-
planet 137 TL3
M1 WM OD
IIP0
KACO blue-
planet 150 TL3
M1 WM OD
IIQ0
Article number 1001784 1001785 1001786 1001623 1001787 1001783
Input levels (DC)
Maximum recommended
PV generator power 130.5 kW 138 kW 165 kW 187.5 kW 205.5 kW 225 kW
MPP range DC from (MPP
tracker active) @Pnom 563 V - 1300 V 591 V-1300 V 705 V-1300 V 875 V-1300 V 875 V - 1300 V 960 V-1300 V
Min. voltage max.
voltage in operation 563 V - 1450 V 591 V-1450 V 705 V-1450 V 875 V-1450 V 875 V - 1450 V 960 V-1450 V
DC nominal voltage /
Starting voltage 600 V / 645 V 620 V / 675 V 730 V / 805 V 900 V / 1,000 V
900 V / 1,000
V
1,000 V / 1100
V
Output levels (AC)
Nominal output @ nom-
inal voltage in volts 87 kVA 92 kVA 110 kVA 125 kVA 137 kVA 150 kVA
Nominal voltage 380 V (3P+PE) 400 V (3P+PE) 480 V (3P+PE) 600 V [3P+PE] 600 V (3P+PE) 660 V (3P+PE)
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Output levels (AC)
Voltage range: continu-
ous operation 300 V - 580 V 300 V - 580 V 300 V - 580 V 480 V - 760 V 480 V - 760 V 480 V - 760 V
Max. voltage range (up to
100 s) 625 V 625 V 625 V 825 V 825 V 825 V
Nominal current 3 x 132.3 A 3 x 132.3 A 3 x 132.3 A 3 x 120.3 A 3 x 132.3 A 3 x 131.2 A
5 Assembly and preparation
5.1 Selecting an installation location
DANGER
Risk of fatal injury due to fire or explosions
Fire caused by flammable or explosive materials in the vicinity of the device can lead to serious injuries.
›Do not mount the device in an area at risk of explosion or in the vicinity of highly flammable materials.
CAUTION
Property damage due to gases that have an abrasive effect on surfaces when they come into contact
with ambient humidity caused by weather conditions!
The housing of the device may be seriously damaged by gases (ammonia, sulfur, etc.) if it comes into con-
tact with ambient humidity caused by weather conditions.
üIf the device is exposed to gases, it must be installed in a location that is visible.
›Perform regular visual inspections.
›Immediately remove any moisture from the housing.
›Ensure that there is sufficient ventilation at the installation location.
›Immediately remove dirt, especially on vents.
›Failure to observe these instructions may result in damage to the device which is not covered by the
warranty.
NOTE
Access by maintenance personnel for service
Any additional costs arising from unfavorable structural or mounting conditions shall be billed to the cus-
tomer.
Installation space
As dry as possible, climate-controlled, the waste heat must be dissipated away from the device.
Unobstructed air circulation.
Close to the ground, accessible from the front and sides without requiring additional resources.
Protected on all sides against moisture and dust penetration and direct sunlight (thermal heating) in outdoor areas.
Implementation where necessary via constructional measures, e.g. wind breaks.
Installation surface
Must have adequate load-bearing capacity
Must be accessible for installation and maintenance
Flame-retardant
Minimum clearances to be observed during installation: [See figure 10] [}Page14]
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KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
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Fig.3: Device for outdoor installation
10-90°
Fig.4: Permissible installation location
Fig.5: Free-standing installation beneath PV system
300 mm
Fig.6: Mounting advice for installation beneath PV system
5.2 Unpacking the unit
CAUTION
Risk of injury if the body is overloaded!
Lifting the device for transportation, to change location and during installation can lead to injuries (e.g.
spinal injuries).
›Only lift the device using the openings provided.
›The device must be transported and installed by at least 2 persons.
↻The device is transported to the installation location.
1 Remove the plastic strap from the pallet and packaging.
2 Pull the clip lock off the packaging.
3 Pull the hood upwards to remove it and place the cardboard packaging to one side together with the mount and ac-
cessories.
4 Set the device upright with the base section and side sections.
5 Remove the uppermost side section and base section from the device.
»If the device is in the correct installation position: Proceed with the installation of the mount.
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DETAIL Z4:1
Z
2
1
3
4
5
6
Fig.7: Opening the cardboard packaging Fig.8: Setting the device upright
Legend
1 Hood 4 Base section
2 Upper side section 5 Lower side section
3 Clip lock (4x) 6 Cardboard packaging with mount and mounting kit
5.3 Fastening the mount
153 mm
A
A
B
C
D
1
2
3
4
5
6
75 mm
A
Detail A
Fig.9: Minimum clearances for wall mounting
1
550 mm
458 mm
1066 mm
453 mm
270 mm
475 mm*
475 mm*
270 mm
6
5
Fig.10: Wall mounting
Legend
1 Mount 4 Fastening screw (4x)
2 Fixings for mounting 5 Securing screw (1x)
3 Lock washer 6 Lug to mount the device
A
Minimum clearance: 120 mm
Recommended clearance 400 mm (without device
475 mm *)
C Minimum clearance: 500 mm
B Minimum clearance: 300 mm D Recommended clearance: 1000 mm
↻Cardboard packaging with mount and mounting kit removed from the packaging and opened.
1 Mark the mounting position on the wall surface according to the position of the mount by drawing a line.
2 Mark the positions of the drill holes using the slot in the mount.
NOTE:The minimum clearances between two devices, or the device and the ceiling/floor have already been taken
into account in the diagram.
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3 Fix the mount to the wall using suitable mounting fixtures from the mounting kit.
NOTE:Make sure that the mount is oriented correctly.
»Proceed with the installation of the device.
5.4 Installing and securing the device
CAUTION
Risk of injury from improper lifting and transport.
Lifting the device improperly can cause the device to topple and fall over.
›Only ever raise the device vertically using the openings provided.
›Use a climbing aid for the chosen installation height.
›Wear safety gloves and safety shoes when lifting and lowering the device.
NOTE
Power reduction due to heat accumulation!
If the recommended minimum clearances are not observed, the device may go into power regulation
mode due to insufficient ventilation and the resulting heat build-up.
›Observe the minimum clearances and provide for sufficient heat dissipation.
›Any objects on the housing of the device must be removed prior to operation.
›Make sure that foreign objects cannot hinder heat dissipation following installation of the device.
Lifting and mounting the device
↻The mount has been installed.
1 Lift the device using the lateral openings. Have regard to the position of the device's center of gravity!
NOTE:Do not lift the device by the lid or cover!
2 Fit the device onto the upper mount by means of the mounting bracket. Fit the device onto the lower mounting
bracket in full so that the device sits flush with its rear side on the mount. ( [See figure 10] [}Page14]).
3 Insert the screw provided into the lug of the mount and secure the device to prevent it from being lifted off ( [See fig-
ure 9] [}Page14]).
NOTE:Alternatively: At this point, the screw mentioned above can be replaced with a special-purpose screw for
protection against theft.
»The device is installed. Proceed with the electrical installation.
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6 Installation
6.1 General
DANGER
Lethal voltages are still present in the connections and cables of the device even after the device has
been switched off and disconnected!
Severe injuries or death may occur if the cables and/or terminals/busbars in the device are touched.
›The device must be mounted in a fixed position before being connected electrically.
›Observe all safety regulations and current technical connection specifications of the responsible power
supply company.
›The device may only be opened and serviced by an authorized electrician.
›Switch off the grid voltage by turning off the external circuit breakers.
›Do not touch the cables and/or terminals/busbars when switching the device on and off.
›Keep the device closed when it is in operation.
6.2 Opening the device
↻The device has been installed on the mount.
↻Wipe any moisture off the frame of the housing cover using a cloth.
1 Undo the 6 screws and carefully remove the housing cover [ T_25]
2 Be careful not to damage or soil the seals or optical fibers when setting the
housing cover down.
»Proceed with the installation of the device.
21
Fig.11: Removing the housing
cover
1 Housing cover
2 Screws for mounting
6.3 Surveying the connection area
The connection point for the AC supply is situated inside the housing. The DC input source is also connected inside the
housing.
1
5
3
42
6
Fig.12: Connection area on DC side (left) / AC side (right)
Legend
1 AC connection point 4 DC connection point
2 AC overvoltage protection base 5 DC overvoltage protection
3 AC earthing bolt 6 PID connection point
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
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6.4 Making the electrical connections
NOTE
Select the cable cross-section, fuse type and fuse value in accordance with the following master condi-
tions:
Country-specific installation standards
Power class of the device
Line length
Type of line installation
Local temperatures
6.4.1 Supply line and fuse requirements
AC-side
Max. cable cross-section 240mm² (AL or CU)
Min. cable cross-section acc. to local installation standards
Diameter of cable for cable fitting 16 - 28 mm
Length of insulation to be stripped off Depending on the ring cable lug
Cable lug Ø connection bolt Bore for M10 screw
Tightening torque 30 Nm
Connection type Cable lug
Cable lug dimension w - maximum width 42 mm
Ground conductor connection M10
Ground conductor connection tightening torque 10 Nm
Electrical protection in installation (provided by the customer) max. 250A
Fitting for AC connection M40
Torque for cable fitting 7.5 Nm
DC-side
Max. cable cross-section 240mm² (AL or CU)
Min. cable cross-section acc. to local installation standards
Diameter of cable for cable fitting 16 - 28 mm
Cable lug dimension b width max. 42 mm
Length of insulation to be stripped off Depending on the ring cable lug
Recommended cable type Solar cable
Cable lug Ø connection bolt 10 mm
Tightening torque 30 Nm
Fitting for DC connection M40
Torque for cable fitting 7.5 Nm
Interfaces
Diameter of cable for cable fitting (2x) 8 - 17 mm
Torque for cable fitting 5 Nm
RS485 connection type spring-type terminal
RS485 terminal cable cross-section 0.25 - 1.5 mm²
Diameter of cable for cable fitting (3x) 5 - 10 mm
Torque for cable fitting 2.5 Nm
Ethernet connection type RJ45
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Overvoltage protection KACO order number
AC inverter overvoltage protection kit 2001925
RS485 inverter overvoltage protection kit 2001927
LAN inverter overvoltage protection kit 2001926
PID kit 2001928
Tab.2: Supply line and fuse requirements
6.5 Connecting the device to the mains supply
6.5.1 Preparing the grid connection
↻A connection cable with 4 cores (4 individual cores or multi-core up to max.
cable cross-section 16 - 28 mm ) is available on the device.
↻The nominal grid voltage matches the "VAC nom" specification on the name
plate.
1 For improved accessibility: Remove the AC attachment plate by undoing the 6
fastening screws [ T_30]
2 Undo the cable fitting for AC connection and PE earthing (ground) [ W_46].
3 Remove the sealing plugs.
4 Insert the AC cables into the cable fittings.
5 Strip the insulation from the AC cables.
6 Strip the insulation from the individual cores for L1 / L2 / L3 (ABC) and PE
(ground) so that the stranded wire and insulation can be pushed into the shaft
of the cable lug.
CAUTION!Risk of fire due to chemical corrosion. Cable lugs must be suitable
for the conductor material and copper busbars used. 2
7 Press the cable lug into place.
8 Slip a shrink-fit sheath (not part of the scope of supply) over the shaft of the ring
cable lug of the AC cable.
9 For improved accessibility: Fasten the AC attachment plate by tightening the 6
fastening screws [ T_30 / 6 Nm]
»Make the grid connection.
3
2
1
4
Fig.13: Removing the AC attach-
ment plate
1 Housing base - AC-side
2 Fastening screws
3 AC attachment plate
4 Cable fitting
6.5.2 Making the grid connection
NOTE
If a residual current circuit breaker is necessary due to the installation specification, a type A residual cur-
rent circuit breaker must be used.
If the type A is used, the insulation threshold must be set to greater than/equal to (≥) 200kOhm in the “DC
parameters” menu Configuration via web user interface.
For questions regarding the appropriate type, please contact the installer or our KACO new energy cus-
tomer service.
2When using aluminum cable lugs we recommend using cable lugs with galvanic tin plating or, alternatively, AL/CU ca-
ble lugs with suitable AL/CU washers.
Otherwise, with the electrolytes present (e.g. Condensation water), the aluminum could be destroyed by the copper
bus bars.
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4-pole connection, TN, TT system
↻The grid connection has been prepared.
↻AC cables equipped with an M10 ring cable lug [max. width b. 42 mm ]
1 Slacken the nut and lock washer at the marked earthing point.
2 Place the earth cable at the earthing point. Secure it with the nut and lock
washer provided [ W_17 / 10 Nm].
3 Place the cable lug of cores L1 / L2 / L3 on the busbar in accordance with the la-
beling and secure it with a nut, screw and lock washer (fastening elements in
scope of supply) [ W_17 / 30 Nm].
4 Check that all connected cables are fitted securely.
5 Tighten AC cable fittings [ W_46 / 7.5 Nm].
»The device is now connected to the power grid.
3
2
14
Ground
Fig.14: 4-Pole AC grid connection
1 L1 busbar
2 L2 busbar
3 L3 busbar
4 Ground - earthing point
6.6 Connecting the PV generator to the device
6.6.1 Checking the PV generator for a ground fault
DANGER
Risk of fatal injury due to electric shock!
Severe injuries or death will result if the live connections are touched. When there is solar radiation on the
PV generator, DC voltage will be present at the open ends of the DC cables.
›Activate the connection power at the switchbox or string combiner with the DC isolator switch.
›The DC connection is intended exclusively for PV generators. Other sources fall within the scope of im-
proper operation (e.g. batteries).
›Only touch the PV generator cables on the insulation. Do not touch the exposed ends of the cables.
›Avoid short circuits.
›Do not connect any strings with a ground fault to the device.
NOTE
The threshold value from which the insulation monitor reports a fault can be set in the PARAMETER menu.
Ensuring that there is no ground fault
1 Measure the DC voltage between the protective earth (PE) and the positive cable of the PV generator.
2 Measure the DC voltage between the protective earth (PE) and the negative cable of the PV generator.
ðIf stable voltages can be measured, there is a ground fault in the DC generator or its wiring. The ratio between
the measured voltages gives an indication as to the location of this fault.
3 Rectify any faults before taking further measurements.
4 Measure the electrical resistance between the protective earth (PE) and the positive cable of the PV generator.
5 Measure the electrical resistance between the protective earth (PE) and the negative cable of the PV generator.
ðIn addition, ensure that the PV generator has a total insulation resistance of more than 2.0 MOhm, since the
device will not feed in if the insulation resistance is too low.
6 Rectify any faults before connecting the DC generator.
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6.6.2 Configuring the PV generator
CAUTION
Damage to components due to faulty configuration
In the expected temperature range of the PV generator the values for the no-load-voltage and the short
circuit current must never exceed the values for UDCMAX and ISCMAX in accordance with the technical data.
›Observe limit values in accordance with the technical data.
NOTE
Type and configuration of the PV modules.
Connected PV modules must be dimensioned for the DC system voltage in accordance with IEC 61730 Class
A, but at least for the value of the AC grid voltage
6.6.3 Connecting the PV generator
DANGER
Risk of fatal injury due to electric shock!
Severe injuries or death will result if the live connections are touched. When there is solar radiation on the
PV generator, DC voltage will be present at the open ends of the DC cables.
›Activate the connection power at the switchbox or string combiner with the DC isolator switch.
›The DC connection is intended exclusively for PV generators. Other sources fall within the scope of im-
proper operation (e.g. batteries).
›Only touch the PV generator cables on the insulation. Do not touch the exposed ends of the cables.
›Avoid short circuits.
›Do not connect any strings with a ground fault to the device.
KACO blueplanet 87.0 TL3 KACO blueplanet 92.0 TL3 KACO blueplanet 110 TL3 KACO blueplanet 125 TL3
KACO blueplanet 137 TL3 KACO blueplanaet 150 TL3
Page 20
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