KACO blueplanet 50.0 TL3 Solar Inverter Datasheet User Manual

KACO blueplanet 50 0 TL3 Solar Inverter Datasheet

Safety Instructions

• Nevertheless, improper use may cause lethal hazards for the operator or third parties, or may result in damage to the product and other property.
• 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.
• 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 other harsh environmental conditions.s
• Use in an outdoor area that does not meet the environmental conditions set down in the Technical. al
• Data/Environmental Data in the comprehensive operating instructions
• Operation outside the specification intended by the manufacturer
• Overvoltage on the DC connection of over 1,100 V
• Device modification
• Standalone mode

Personnel qualification

Photovoltaic feed-in inverter KACO blueplanet 50.0 + 60.0 TL3 Qualifications that the electrician must have

• Education concerning the installation and start-up of electrical units and plants.
• Training in the handling of hazards and risks during the installation and operation of electrical devices and systems.
• Knowledge about how an inverter functions and operates
• Knowledge about IP-based network protocols
• Knowledge of the Modbus specifications
• Knowledge of the SunSpec Modbus specifications
• Knowledge of applicable standards and directives.
• Knowledge and adherence to this document with all safety notices.

Residual risks

• Comply with all safety regulations and current technical connection specifications of the responsible power supply company.
• Switch off the grid voltage by turning off the external circuit breakers.
• Check that all AC and DC cables are completely free of current using a clip-on ammeter.
• Do not touch the cables and/or terminals/busbars when switching the device on and off.
• Keep the device closed when in operation.

Dangerous voltage due to two operating voltages

• Observe the warnings on the device housing warning label.
• Before opening the device: Disconnect the AC and DC sides and wait at least 5 minutes.
• Housing components can become hot during operation.
• During operation, only touch the housing cover on the device.
• Components inside the device can be damaged beyond repair by static discharge.
• Observe the ESD protective measures.
• Before touching a component, ground it by touching an earthed object.

Monitoring and protection functions

• RCMU (Residual Current Monitoring Unit)
• Overvoltage conductor/varistor to protect the power semiconductors from high-energy transients on the grid and generator sides.
• Device temperature monitoring system
• EMC filter to protect the inverter from high-frequency grid interference
• Grid-side varistors are grounded to earth to protect the product against burst and surge pulses
• Anti-islanding detection according to the current standards.
• Isolation detection / residual current monitoring and disconnection function to detect isolation faults

Assembly and preparation

Choosing the installation location

Property damage due to gases that have an abrasive effect on surfaces when they come into contact with
ambient humidity caused by weather conditions.

• If the device is exposed to gases, the installation must be carried out at observable locations.
• Perform regular visual inspections.
• Immediately remove any moisture from the housing.
• Ensure adequate ventilation at the installation location.
• Immediately remove dirt, especially on vents.
• Failure to observe these warnings may lead to device damage, which is not covered by the manufacturer’s warranty.

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 direct weather exposure and sunlight (thermal heating) in outdoor areas. Implementation where necessary via constitutional measures, e.,g. wind breaks.
• For easy operation during installation, ensure that the display is slightly below eye level.

Installation surface

• Must have adequate load-bearing capacity
• Must be accessible for installation and maintenance
• Must be made out of heat-resistant material (up to 90 °C )
• Must be flame-resistant

Tools used

Fastening the mount

If unsuitable fixing materials are used, the device could fail, and persons in front of the device may be seriously injured.

• Use only fixing materials that are suitable for the mounting base. The fastening materials supplied are
  only to be used for masonry and concrete.
• Only install the device in an upright hanging position.

Installation

Opening the device

TN S System, TN-CSSystem, TTSystem

1. Unfasten the cable fitting for the AC connection [ W_68].
2. Remove the outer cladding of the AC cables.
3. Push an M8 cable lug onto the PE line.
4. Remove the cover of the AC filter using the 4 screws[ T_15].
5. Unscrew the screws on the contact bridge and remove the contact bridge[ _T20].
6. Insert the AC cables through the cable fitting into the connection area.
7. Strip the AC lines [approx. 25 mm].

Key 

1. AC connection terminal
2. Base AC overvoltage protection
3. DC isolator switch
4. DC connection with protection against contact
5. Base DC overvoltage protection

TN-C system

A connection cable with 4 wires is provided on the device. Nominal grid voltage matches the VAC name plate details.

1. Unfasten the cable fitting for the AC connection [ W_68].
2. Remove the outer cladding of the AC cables.
3. Insert the AC cables through the cable fitting into the connection area.
4. Strip the AC lines [approx. 25mm].

Make the grid connection

5 core connections for TN-S system, TN-C-S system, TT-System

Grid connection is prepared.

1. Loosen the nut and lock washer at the marked grounding point.
2. Lay the grounding cable onto the grounding point. Secure using the corresponding nut and lock washer [ W_13/ 10 Nm].
3. Connect wires by the labels on the screw terminal [ T_45 / 10 Nm].
4. Check the secure fit of all connected cables.
5. Tighten the cable fittings [ W_68 / 20 Nm].
6. Secure cover using the 4 screws [ _T15 / 2.3 Nm].

The device is connected to the power grid. 4-core connection, TN-C system

1. Grid connection is prepared.
2. Connect lines by the labels on the name plate on the screw terminal [ T_45/ 10 Nm].
3. Check the secure fit of all connected cables.
4. Tighten the cable fittings [ W_68 / 20 Nm].

Connect the PV generator to the device.

The DC connection is intended exclusively for PV generators. Other sources fall within the scope of improper operation (e.g., batteries).

DC generators are comprehensively checked to ensure there is no ground fault.
DC polarity is checked, reconnecting on made to the inverter.

1. Activate the connection power at the switchbox or string combiner with the DC isolator switch.
2. Check the DC polarity before making the connection to the inverter.
3. Only connect DC generators that have been comprehensively checked to ensure there is no ground fault.

Connecting the PV generator

1. Loosen the cable fittings [ W_36(M32 )].
2. Remove the outer cladding of the DC cables and insert them through the cable fitting [Ø 15 – 21 (M32) mm ].
3. Strip the insulation from the DC cables.
4. Fit DC lines with a ring cable lug [max. Width 20 mm.
5. Remove the protection against contact from the PV+ and PV- terminals.
6. Screw the cable ends of the PV generator onto the DC connection according to the polarity of the battery [ T_TX35 / 15-22 Nm ].
7. Check the secure fit of all connected cables.
8. Remove the protection against contact from the PV+ and PV- terminals.
9. Tighten the cable fittings [ W_36 / 4 Nm].

• Remove the protective cap from the DC connection plugs required.
• Connect the PV generator to the DC plug connectors on the underside of the unit according to the polarity of the PV generator.

Inserting the overvoltage protection

Depending on the local installation specifications, it may be necessary to earth the device with a second
ground connection. To this end, the threaded bolt on the underside of the device can be used.

The device has been installed on the mount.

1. Strip the insulation from the equipotential bonding cable.
2. Furnish the stripped cable with an M8 ring cable lug.
3. Lay the cable for equipotential bonding onto the grounding point and attach with an additional M8 nut and lock washer [ W_17/ 10 Nm].
4. Check that the connected cable is fitted securely.

Connecting the interfaces

Overview

DANGER

Risk of fatal injury due to electric shock! Severe injury or death may result from improper use of the interface connections and failure to observe protection class III.

The SELV circuits (SELV: safety extra low voltage) can only be connected to other SELV circuits with
protection class III.

1. Communication circuit board
2. ERR – Connection for fault signal relay
3. USB – Connection for update
4. Ethernet – Connection for communication
5. Optional connection of the extension module
6. RS485 – Connection for data loggers
7. DIP switch – Activate terminator
8. INV OFF – Connection for remote controls

Insert and lay the cables

Shielding the Ethernet and RS-485 cable

1. Open and close the door completely to check that the KACO blueplanet 50 0 TL3 Solar Inverter Datasheet cables (1) are not subject to tensile or compressive forces.
2. Mark the position for connecting the shield on the clamping ring (2) of the EMC screw fitting.
3. Pull out the cables and strip them down to the mesh wire to the marked position (approx. 10 mm).
4. Pull the cables back to the shielding point until full shielding is provided by the clamping ring, and the connecting cable cannot be displaced. [See figure 14] Page 10]

Ethernet connection

For this reason, remove the sealing insert before KACO blueplanet 50 0 TL3 Solar Inverter Datasheet installation and thread the Ethernet cable outside of the cable fitting through the sealing insert.

The maximum length of a network segment is 100 m. Ensure that the cable is correctly assigned. The Ethernet connection of the device supports auto-sensing. You can use both crossed and 1:1 protectively-wired Ethernet connection cables.

Connecting the cable inside the device.

1. Plug in an Ethernet cable at one of the two Ethernet ports on the communication circuit board.
2. Lay the Ethernet cable correctly in the lower AC supply area and loosely fasten it using the cable ties provided.
3. Tighten the cable fittings [[ W_29 / 4 Nm].

Sealing the connection area

1. Close the housing door and lock it with a control cabinet key

Configuration and operation

Controls

The 3 LEDs on the device control panel show the different operating states. The LEDs can display the following states:

Accessories

Inverter off

Information about the “Inverter off” function: See manual under www.kaconewenergy.com/de/downloads in the “string inverter” category.

Visual inspection by the operator

1. Inspect the product and cables for visible external damage and note the operating status display, where applicable.
2. Notify the installer if there is any damage.

Cleaning

Photovoltaic feed-in inverter KACO blueplanet 50.0 + 60.0 TL3

By operator

• Do not use compressed air or high-pressure cleaners.
• Use a vacuum cleaner or a soft brush to remove dust from the fan cover and the top of the
  device regularly.
• Remove dust from the ventilation inlets if necessary.

By an authorised electrician

1. Cleaning the heat sink.
2. Replacing the fan.
3. Replace the string fuses.
4. Replace overvoltage protection.
5. Shut down the device for maintenance/troubleshooting.

Customer Service

• Websites: http://www.kaconewenergy.com/de/downloads,
• Tel: +49 7132 896-1000

FAQs

What type of solar systems is this inverter compatible with?

It is appropriate for both new installations and retrofit projects

What protections does the inverter include?

To guarantee safe and steady operation, it has several safeguards, including anti-islanding, overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection.

Does the inverter support grid monitoring and communication?

Indeed, it has Ethernet and RS-485 connectivity options for remote monitoring and control, as well as support for communication protocols including Modbus TCP/IP.

What is the inverter’s efficiency rating?

With a maximum efficiency of 98.7%, the Blueplanet 50.0 TL3 inverter guarantees less energy waste during conversion.

How do I install the inverter?

Qualified technicians must carry out the installation, adhering to the user manual’s instructions for correct mounting, wiring, grounding, and connecting the solar array to the grid.

Can the inverter be used in parallel with other units?

Yes, it may connect many inverters in parallel to increase the solar system’s capacity.