KACO blueplanet 3.0 NX1 M2 Hybrid Inverter
Safety Instructions
- Nevertheless, improper use of the KACO blueplanet 3.0 NX1 M2 Hybrid Inverter 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.
For detailed specifications and user manual of other KACO models, see our KACO blueplanet 50.0 TL3 Solar Inverter Datasheet & User Manual.
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
- Unfasten the cable fitting for the AC connection [ W_68].
- Remove the outer cladding of the AC cables.
- Push an M8 cable lug onto the PE line.
- Remove the cover of the AC filter using the 4 screws[ T_15].
- Unscrew the screws on the contact bridge and remove the contact bridge[ _T20].
- Insert the AC cables through the cable fitting into the connection area.
- Strip the AC lines [approx. 25 mm].
Key
- AC connection terminal
- Base AC overvoltage protection
- DC isolator switch
- DC connection with protection against contact
- 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.
- Unfasten the cable fitting for the AC connection [ W_68].
- Remove the outer cladding of the AC cables.
- Insert the AC cables through the cable fitting into the connection area.
- 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.
- Loosen the nut and lock washer at the marked grounding point.
- Lay the grounding cable onto the grounding point. Secure using the corresponding nut and lock washer [ W_13/ 10 Nm].
- Connect wires by the labels on the screw terminal [ T_45 / 10 Nm].
- Check the secure fit of all connected cables.
- Tighten the cable fittings [ W_68 / 20 Nm].
- Secure cover using the 4 screws [ _T15 / 2.3 Nm].
The device is connected to the power grid. 4-core connection, TN-C system
- Grid connection is prepared.
- Connect lines by the labels on the name plate on the screw terminal [ T_45/ 10 Nm].
- Check the secure fit of all connected cables.
- 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.
- Activate the connection power at the switchbox or string combiner with the DC isolator switch.
- Check the DC polarity before making the connection to the inverter.
- Only connect DC generators that have been comprehensively checked to ensure there is no ground fault.
Connecting the PV generator
- Loosen the cable fittings [ W_36(M32 )].
- Remove the outer cladding of the DC cables and insert them through the cable fitting [Ø 15 – 21 (M32) mm ].
- Strip the insulation from the DC cables.
- Fit DC lines with a ring cable lug [max. Width 20 mm.
- Remove the protection against contact from the PV+ and PV- terminals.
- Screw the cable ends of the PV generator onto the DC connection according to the polarity of the battery [ T_TX35 / 15-22 Nm ].
- Check the secure fit of all connected cables.
- Remove the protection against contact from the PV+ and PV- terminals.
- 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.
- Strip the insulation from the equipotential bonding cable.
- Furnish the stripped cable with an M8 ring cable lug.
- Lay the cable for equipotential bonding onto the grounding point and attach with an additional M8 nut and lock washer [ W_17/ 10 Nm].
- 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.
- Communication circuit board
- ERR – Connection for fault signal relay
- USB – Connection for update
- Ethernet – Connection for communication
- Optional connection of the extension module
- RS485 – Connection for data loggers
- DIP switch – Activate terminator
- INV OFF – Connection for remote controls
Insert and lay the cables
Shielding the Ethernet and RS-485 cable
- Open and close the door completely to check that the cables (1) are not subject to tensile or compressive forces.
- Mark the position for connecting the shield on the clamping ring (2) of the EMC screw fitting.
- Pull out the cables and strip them down to the mesh wire to the marked position (approx. 10 mm).
- 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 3.0 NX1 M2 Hybrid Inverter 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.
- Plug in an Ethernet cable at one of the two Ethernet ports on the communication circuit board.
- Lay the Ethernet cable correctly in the lower AC supply area and loosely fasten it using the cable ties provided.
- Tighten the cable fittings [[ W_29 / 4 Nm].
Sealing the connection area
- 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
- Inspect the product and cables for visible external KACO blueplanet 3.0 NX1 M2 Hybrid Inverter damage and note the operating status display, where applicable.
- 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 KACO blueplanet 3.0 NX1 M2 Hybrid Inverter 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
- Cleaning the heat sink.
- Replacing the fan.
- Replace the string fuses.
- Replace overvoltage protection.
- Shut down the device for maintenance/troubleshooting.
Service and warranty
If you need help solving a technical problem with your KACO blueplanet 3.0 NX1 M2 Hybrid Inverter, please contact our service hotline. Please have the following information ready so that we can help you quickly and efficiently:
- Device name / serial number Date of installation / Start-up report
- Fault message shown on the display / Description of the fault / Did you notice anything unusual? What has already been done to analyse the fault?
- Module type and string circuit. Consignment identification / Delivery address / Contact person (with telephone number)
- Information about the accessibility of the installation site
- You can find the following items and additional information about the KACO blueplanet 3.0 NX1 M2 Hybrid Inverter on our website.
Customer Service
- Websites: http://www.kaconewenergy.com/de/downloads,
- Tel: +49 7132 896-1000
FAQs
Can this inverter manage battery charging and discharging?
Indeed, the hybrid architecture optimises self-consumption and backup power by enabling smooth battery charging, discharging, and energy management.
Is the inverter compatible with specific battery types?
Yes, it is compatible with a number of lead-acid and lithium-ion battery systems that meet its communication and voltage requirements.
What is the operating temperature range?
The device runs securely within -20°C to +60°C (-4°F to 140°F), allowing installation in varied situations.
How can I monitor system performance?
The KACO monitoring app or online portal allows you to remotely monitor energy generation, battery health, and system performance over Ethernet or Wi-Fi.
Does the inverter provide backup power during outages?
Yes, in order to keep critical loads powered during grid disruptions, the hybrid inverter can take energy from the battery to provide backup power.
How is the inverter installed?
A certified professional must do the installation, adhering to the manual’s instructions about battery and PV input arrangement, wiring, and grounding.