KACO blueplanet NX1 M2 Series: Manual

1.1 About this document

⚠️ WARNING Improper handling of the device can be hazardous!

> You must read and understand the manual in order to 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 to register your system and have it approved are included with the manual.

Storing the documents

These manual and other documents must be stored near the system and be available at all times. The current version of the operating Instructions can be downloaded from www.kaco-newenergy.com.

English original version

This document has been produced in several languages. The german-language version is the original version. All other language versions are translations of the original version.

1.2 More information

Links to more detailed information can be found at www.kaco-newenergy.com.

1.3 Layout of Instructions

1.3.2 Safety warnings symbols guide

• ❗ DANGER High risk: Failure to observe this warning will lead directly to serious bodily injury or death.
• ⚠️ WARNING Potential risk: 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.
• ? NOTICE Risk of damage to property: Failure to observe this warning will lead to property damage.

1.3.3 Additional information symbols

• ℹ️ NOTE Useful information and notes: Information that is important for a specific topic or objective, but that is not safety-relevant.

1.3.4 Symbols for instructions

1. Prerequisite for use.
2. Carry out the next step
3. Additional action sequence
4. ➡ Interim result of the action
5. ➡➡ End result

1.4 Target group

All activities described in the document may only be carried out by specially trained personnel with the following qualifications:

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

1.5 Identification

You will find the name plate with the following data for service and other requirements specific to installation on the right side panel of the product:

• Product name
• Part no.
• Serial number
• Date of manufacture
• Technical data
• Disposal information
• Certification marking, CE marking.

Diagram: The name plate displays product name, part number, serial number, date of manufacture, technical data, disposal information, and certification markings (e.g., CE).

2 Safety

Before using the product for the first time, please read through the safety instructions carefully.

❗ DANGER Lethal voltages are still present in the connections and cables of the device even after the device has been switched off and disconnected!

Coming into contact with the lines and/or terminals/busbars in the device can cause serious injury or death.

• Do not open the device.
• The device must be mounted in a fixed position before being connected electrically.
• Comply with all safety regulations and current technical connection specifications of the responsible power supply company.
• The device is only permitted to be mounted, installed and commissioned by a qualified electrician.
• 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.

The electrician is responsible for observing all existing standards and regulations. The following applies:

• Keep unauthorised persons away from the device and/or system
• In particular, making sure that the locally applicable version of the standard "Requirements for special installations or locations - solar photovoltaic (PV) power supply systems" is observed
• Ensure operational safety by providing proper grounding, conductor dimensioning and appropriate protection against short circuiting
• Observe all safety instructions on the product and in these operating instructions
• Switch off all voltage sources and secure them against being inadvertently switched back on before performing visual inspections and maintenance
• When taking measurements on the live device:
  • Do not touch the electrical connections
  • Remove all jewellery from wrists and fingers
  • Ensure that the testing equipment is in safe operating condition
• Modifications to the surroundings of the device must comply with the applicable national and local standards

3 Description of the device

4 Technical data

5 Transportation and Delivery

Every product leaves our factory in perfect electrical and mechanical condition. Special packaging ensures that the devices are transported safely. The shipping company is responsible for any transport damage that occurs.

6 Assembly and preparation

7 Installation

7.7 Connecting the interfaces

7.8 Connecting smart meter for dynamical feed-in

If you want to implement the function dynamically, you need to install the Smart Meter. The communication device is only compatible with the Eastron Smart-Meter (SDM230 – Article No. 2015113) available via our customer service.

ℹ️ NOTE The Smart-Meter must support the MODBUS protocol and communicates with baud rate 9600, parity "None", Stop-Bits "1" Ensure that individual wires at the terminal contact of the Smart-Meter are attached with the correct torque and cannot work loose. Attach protective cover if fitted.

ℹ️ NOTE Damage to the inverter from electrostatic discharge

Components inside the device can be damaged beyond repair by electrostatic discharge.

• Ground yourself before touching a component.

ℹ️ NOTE A network cable according to chapter 7.3.1 at Page 14 is required for connection to the RJ45 socket. A network cable with good resistance to UV radiation is also required for use outdoors.

The RS485 connection can support communication with a maximum installation length (across all inverters) of 1000 m. The individual and control connected must be measured in accordance with EMC requirements EN 62920 if the length of the cable attached at the signal and control connection is more than 30 m according to the standard.

The device and the Smart-Meter have been firmly installed on a mounting bracket.

1. Fit suitable wire sleeves in accordance with DIN 46228-4 to the wires of the required cable and crimp. [wire cross-section 0.6mm²]

Diagram: Configuring the cable.

2. Remove the cover plate from the bottom of the housing. (See Fig. 26)

3. Release the forcing nut (Pos. 1) of the cable fitting at the terminal (See Fig. 27).

4. Remove closing plug (Pos. 2) for required communication line, route the line through the forcing nut, the sealing sleeve and terminal, and guide the communication line with three turns through the magnetic ring (Pos. 3).

5. Connect wires of the cable to terminal (Pos 4) as assigned (A/B). [Screwdriver type: PH2, tightening torque: 1.6Nm]

6. Ensure that the cable is firmly attached.

Diagram: Removing protective cover.

Diagram: Routing line through terminal.

7. Insert configured terminal into the socket provided. Mount terminal on device using screws of protective cover Screwdriver type: PH2, tightening torque: 1.6Nm] and tighten forcing nut [tightening torque 3.0-3.5 Nm].
8. Fit wire sleeve to the other end of the cable and connect to the contacts of the Smart-Meter. Screwdriver type: PH0, tightening torque: 0.7Nm See Fig. 29.

Diagram: Inserting terminal into the socket.

Diagram: Connecting to the Smart-Meter.

ℹ️ NOTE Accessories package: NX1 smart meter connection kit (Art. 3015112)

The accessories kit (terminal with seal, clamp, magnetic ring) is available via our customer service https://kaco-newenergy.com/de/service/kundendienst/

8.1 Requirements

❗ 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 is only permitted to be commissioned by a qualified professional.
• Unauthorised persons must be kept away from the device.

The device has been mounted and electrically installed.

The PV generator supplies a voltage above the configured start voltage.

1. Connect the grid voltage using the external circuit breakers.
2. Connect the PV generator using the DC isolator switch (0 > 1)

The device begins operation.

During initial start-up: Follow the instructions of the New Connection Wizard.

8.2 Preconditions relating to standards

Attachment of safety label in accordance with UTE C15-712-1

The code of practice UTE C15-712-1 requires that, upon connection to the French low-voltage distribution network, a safety sticker showing a warning to isolate both power sources when working on the device must be attached to each device

• Attach the provided safety sticker to the outside of the device housing where it is clearly visible.

9.1 Initial start-up

When started for the first time, set the country data set appropriate for your country. Please visit website www.kaco-newenergy.com and download the document "Application note – Installation and use of the APP" detailed information.

9.2 Signal elements

There are status LEDs on the communication device and on the inverter housing that indicate the operating status. The LEDs can assume the following states:

• LED lights up
• LED flashes
• LED flash quickly

Diagram: LEDs on the communication device.

Diagram: LEDs at the device.

Diagram: White LED (flashing quickly/pulsing slowly).

Diagram: White LED (flashing).

Diagram: Red LED (solid).

Diagram: No LED lit.

Communication device is plugged into the unit and firmly screwed in. Unit is connected on the AC and DC sides.

Note: Observe the status of the LED during initialization, operation and fault messages. This can give you precise information about the current operating status of the device.

1. Check on the communication device that the blue LED lights up during the initialization process. If not, check the attachment again. Otherwise, replace communication devices with others if necessary.
2. Check on the unit that the white LED lights up in feed mode. If not, there is a fault in the unit.

Note: In case of malfunctions, follow the instructions in the "Application note - Installation and use of the APP" in the chapter Troubleshooting.

Continue with setting up the unit monitoring.

9.3 Monitoring the device

User can monitor the device through the external communication device. The operating data of the device can transfer to the Cloud. And the user can view all the data on your mobile device with the KACO NX Setup - APP.

Every device provides a communication device. If the same devices are installed at the same location together, the device can connect through the RS 485 cable and share one communication device. Please note that each communication device can only connect up to 5 devices.

The Android or iOS APP can be download on the store. More Information you will find in the document "Application note – Installation and use of the APP" in download folder on our website www.kaco-newenergy.com.

9.4 Performing a firmware update

You can update the software of the device to a new version using the app Android or iOS. Please visit website www.kaco-newenergy.com and download the document "Application note – Installation and use of the APP". Here you will find more information about firmware update.

10.1 Visual inspection

Inspect the product and cables for visible external damage and note the operating status display, where applicable. In the event of damage, notify your installation engineer. Repairs may only be carried out by authorised electricians

❗ DANGER Dangerous voltage due to two operating voltages!

Removing the plug connections before disconnecting the device from the PV generator may lead to injuries and damage the device.

• During installation: Electrically disconnect the DC positive and DC negative from the protective earth (PE).
• Disconnect the device from the PV generator using the integrated DC isolator switch.
• Remove the plug connector.

❗ DANGER Dangerous voltage due to two operating voltages

Severe injuries or death may occur if the cables and/or terminals/busbars in the device are touched. The discharge time of the capacitors is up to 5 minutes.

• Only appropriately qualified electricians authorised by the mains supply network operator are permitted to open and maintain the device.
• Before opening the device: Disconnect the AC and DC sides and wait at least 5 minutes.

ℹ️ NOTE There is not any component in the housing of the device which can be repaired by the customer.

Do not attempt to repair faults that are not described here (in the chapter on troubleshooting and fault rectification). Contact our customer service department. Only perform the maintenance work that is described here.

The device should be checked for proper operation by a qualified electrician at regular intervals and if you experience problems, you should always contact the system manufacturer service department.

10.2 Cleaning

10.2.2 Cleaning the heat sink

Device switched off on integrated DC isolator switch and AC breaker.

1. Use the compressed air to clean the heat sink.

Switch unit on

ℹ️ NOTE Refer to our service and guarantee conditions on our homepage.

• The cleaning intervals must be adapted to match the ambient conditions of the installation location.
• In sandy environments, we recommend cleaning the heat sinks every quarter.

10.3 Shutting down for maintenance / troubleshooting

❗ 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. Only appropriately qualified electricians authorised by the mains supply network operator are permitted to open and maintain the device.

• Comply with all safety regulations and current technical connection specifications of the responsible power supply company.

10.4 Disconnecting connections

11.1 Switching off the device

❗ 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.
• Comply with all safety regulations and current technical connection specifications of the responsible power supply company.
• The device is only permitted to be opened or serviced by a qualified electrician.
• 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.

❗ DANGER Destruction of the DC plug connectors!

DC plug connectors can be destroyed by arcing if disconnected while still live. It is absolutely essential that the following shutdown sequence be carried out in the correct order:

• Check that there is no current in any of the DC cables using a clip-on ammeter.

⚠️ WARNING Risk of burns caused by hot housing components

Housing components can become hot during operation.

• During operation, only touch the housing cover on the device.

11.2 Uninstalling the device

❗ DANGER Dangerous voltage due to two operating voltages

Coming into contact with the lines and/or terminals/busbars in the device can cause serious injury or death. The discharge time of the capacitors is up to 5 minutes.

• Only appropriately qualified electricians authorised by the mains supply network operator are permitted to open and maintain the device.
• Before opening the device: Disconnect the AC and DC sides and wait at least 5 minutes.

Device disconnected and secured against restart.

1. Disconnect AC connection plug from the device. AC connection [See section 10.4.1} Page 26]
2. Detach the DC cables from the DC plug connectors and furnish with protective caps. DC connection [See section 10.4.2} Page 27]
3. Remove the communication device.

The device is uninstalled. Proceed with disassembly

11.3 Disassembling the device

Unit has been switched off and uninstalled.

1. Remove the screw that prevents the device from being lifted off the mount.
2. Use the lateral openings and lift the device off the mount.
3. If available, disassemble the accessories: NX1 smart meter connection kit in reverse order according to chapter 7.8.

Device removed. Proceed with the packaging process.

11.4 Packaging the device

Device has been uninstalled.

1. If possible, always pack the device in the original packaging. If this is no longer available, an alternative is to use equivalent packaging.
2. You must be able to close the box completely and it must be able to accommodate the weight and size of the device.

11.5 Storing the device

⚠️ CAUTION Property damage as a result of condensation

Faulty storage can form condensate in the device and impair the device functioning (e.g. storage outside the ambient conditions or temporary relocation from a cold to a hot environment).

• Store in accordance with the technical data > Environmental data.
• Prior to installation, check the inner area for condensation and if necessary, allow it to dry sufficiently before installation.

Device packaged.

Store the device at a dry location, in accordance with the ambient temperature range Environmental data.