Kaco blueplanet 25.0 NX3 M3 User manual

These instructions form part of the product and must be observed. They must also be stored in a place which is always freely
accessible. The copyright for these operating instructions is held solely by KACO new energy GmbH.
Application note – Installation and using APP
English version
Authorised electrician
Important safety instructions
Android-APP
iOS-APP
KACO blueplanet 3.0 NX3 M2
KACO blueplanet 5.0 NX3 M2
KACO blueplanet 8.0 NX3 M2
KACO blueplanet 10.0 NX3 M2
KACO blueplanet 15.0 NX3 M2
KACO blueplanet 20.0 NX3 M2
KACO blueplanet 25.0 NX3 M3
KACO blueplanet
30.0 NX3 M3
KACO blueplanet 33.0 NX3 M3

Contents
1WLAN Network Configuration...............................................................................................................................1
1.1 Authorization .........................................................................................................................................................................................................1
1.2 Network configuration.......................................................................................................................................................................................2
1.3 Change the router................................................................................................................................................................................................3
1.4 Set the time zone to Wi-Fi stick .......................................................................................................................................................................4
2Inverter Parameters Settings.................................................................................................................................5
2.1 Connect to Wi-Fi stick .........................................................................................................................................................................................5
2.1.1 Connect Wi-Fi stick directly through the Wi-Fi stick’s hotspot .....................................................................................................5
2.1.2 Connect Wi-Fi stick through the router .................................................................................................................................................6
2.2 Inverter parameters settings............................................................................................................................................................................7
2.2.1 Connect to inverter........................................................................................................................................................................................7
2.2.2 Enabling Inverter functions ........................................................................................................................................................................9
2.2.3 Inverter gird parameter setting: grid standards .................................................................................................................................9
2.2.4 Inverter gird parameter setting: power up........................................................................................................................................ 10
2.2.5 Inverter gird parameter setting : voltage protection..................................................................................................................... 11
2.2.6 Inverter gird parameter setting: frequency protection ................................................................................................................ 12
2.2.7 Inverter gird parameter setting: reconnection time...................................................................................................................... 13
2.2.8 Inverter active power setting: power limit......................................................................................................................................... 14
2.2.9 Inverter active power setting : over-frequency curve ................................................................................................................... 15
2.2.10 Inverter active power setting : over-voltage curve......................................................................................................................... 17
2.2.11 Inverter reactive power setting: running mode............................................................................................................................... 19
2.2.12 Inverter reactive power setting: fixed power factor....................................................................................................................... 20
2.2.13 Inverter reactive power setting: Cos(Φ) – P curve........................................................................................................................... 21
2.2.14 Inverter reactive power setting: fixed Q ............................................................................................................................................. 22
2.2.15 Inverter reactive power setting: Q-U curve........................................................................................................................................ 23
2.2.16 Inverter parameters report.......................................................................................................................................................................24
2.3 Inverter real time data .....................................................................................................................................................................................25
2.3.1 Connect to inverter..................................................................................................................................................................................... 25
2.3.2 Inverter’s details ...........................................................................................................................................................................................26
3Firmware Update..................................................................................................................................................27
3.1 Wi-Fi stick firmware update........................................................................................................................................................................... 27
3.2 Inverter firmware update ...............................................................................................................................................................................28

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1WLAN Network Configuration
1.1 Authorization
The app for Android and iOS (See Google Playstore or App Store) will automatically connect to the Wi-Fi Stick hotspot via
SSID and password in QR code, so the app needs certain authorisations to access the device of the smart phone as below:
Access the device of smart phone.
1Photo and media permission.
2Location permission.
3 Device information permission.
4 Picture and video permission
5 Location service.
»P
ro
ceed with network configuration
Fig. 1: Photo and media permission Fig. 2: Location permission Fig. 3: Device information permission
Fig. 4: Pictures and video Fig. 5: Location services

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NOTE
The tool app doesn't use these permissions to record user's phone data. Please grant these permissions to
tool app.
1.2 Network configuration
Network configuration setting as below:
Network configuration setting.
1 Open the tool app and click the ”INSTALLATION” button (The tool app will open the phone’s camera
).
2 Scan the QR code label on Wi-Fi stick. then the tool app will automatically connect to Wi-Fi stick’s hotspot.
3 Click the “Select network” button, choose the Wi-Fi SSID of the nearby router provides Internet network to Wi-Fi
stick. You can also manually enter the router SSID.
4 Fill in the password of SSID selected, click the “Ok” button to start the network configuration.
5 Wait for the result of the network configuration.
»Proceed with changing another router, if the router Wi-Fi stick connected to does not work.
Fig. 6: Home page Fig. 7: Scan QR code
Fig. 8: Network configuration Fig. 9: Successful configuration

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NOTE
Frequency band
Before the Network configuration, please prepare a WLAN router supports 2.4G frequency band. Wi-Fi stick
only supports 2.4G frequency band.
Installation position
Please keep the Wi-Fi stick within 10 meters of the router.
SSID and password of router availability
Wi-Fi stick only supports 32 characters SSID and password.
1.3 Change the router
If the router is still working and you want the Wi-Fi stick to connect to another router:
Connect to another router.
1 Connect the smart phone to the router through Wi-Fi and open the tool app, click the “LOCAL MODE” button.
2 Enter the “Monitor Device Details” page, and click the “WLAN” item which shows the router connected now.
3 Select the new router in list and enter the password, click the “Confirm Settings” button in the “Router” page.
»Proceed with inverter parameters settings.
If the router is broken or lost, and the Wi-Fi stick can’t connect to it, the blue LED light doesn’t work, you can find the SSID
of Wi-Fi stick’s hotspot named the Wi-Fi stick’s serial number in your WLAN list. You can connect to the Wi-Fi stick hotspot
with the registration code on the label as password.
Fig. 10: Change network

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1.4 Set the time zone to Wi-Fi stick
Before configuring the router to upload the inverter data, you must configure the time zone setting as follow:
Time zone configuration setting.
1 Open the tool app and click the ”INSTALLATION” button (The tool app will open the phone’s camera
).
2 Scan the QR code label on Wi-Fi stick. then the tool app will automatically connect to Wi-Fi stick’s hotspot.
3 Click the “>” button of the time item, choose the Time Zone and click the OK button.
»Proceed with setting the time zone to the Wi-Fi stick used to calculate the local time for data uploading.

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2Inverter Parameters Settings
2.1 Connect to Wi-Fi stick
2.1.1 Connect Wi-Fi stick directly through the Wi-Fi stick’s hotspot
If haven’t configurated the WLAN network to the Wi-Fi stick yet, you can find the Wi-Fi stick’ SSID in WLAN list of your
smart phone. If had configurated the WLAN network to the Wi-Fi stick, but the blue LED light of the Wi-Fi stick doesn’t
work, you also can find the Wi-Fi stick’s SSID in WLAN list of your smart phone. The password of the Wi-Fi stick’s hotspot is
the registration code on the Wi-Fi stick.
Connect Wi-Fi stick directly through the Wi-Fi stick’s hotspot.
1 Open the phone Wi-Fi settings page.
2 Find the Wi-Fi stick's hotspot named the serial number
3 Connect to the hotspot with registration id on the Wi-Fi stick as password.
4 Come back to the app and click on “LOCAL MODE” to choose the Wi-Fi stick.
» Proceed with inverter parameter settings.
.
Fig. 11: Connect to Wi-Fi stick
NOTE
Can’t find the smart Wi-Fi dongle in your WLAN list?
Sometimes you can’t find the smart Wi-Fi dongle in your WLAN list:
› Close the Mobile Data of phone and come back to app to click on “Scan device” to get the Wi-Fi stick.

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2.1.2 Connect Wi-Fi stick through the router
If had configurated the WLAN network to the Wi-Fi stick and the blue LED light of the Wi-Fi stick works, you need to
connect your smart phone to the router.
Connect Wi-Fi stick through the router.
1 Open the phone Wi-Fi settings page, and manually connect to the router.
2 Come back to the app and click on “LOCAL MODE” to choose the Wi-Fi stick.
»Proceed with inverter parameter setting.
Fig. 12: Connect to Wi-Fi stick
NOTE
Can’t find the smart Wi-Fi dongle in your WLAN list?
Sometimes you can’t find the smart Wi-Fi dongle in your WLAN list:
›Sometimes you can’t find the smart Wi-Fi dongle in your WLAN list. You need to check the network of
your phone is the same as that of Wi-Fi stick, and click the “Scan device” button again, wait for the
scan results to be shown in the list with Wi-Fi stick’ serial number and ip address. If you haven’t found
the smart Wi-Fi stick in list after multiple attempts, you can close the router to connect to Wi-Fi stick
directly through the Wi-Fi stick's hotspot.

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2.2 Inverter parameters settings
2.2.1 Connect to inverter
Connect to the Wi-Fi stick with the tool app.
Enter the “Inverter list”.
1 Enter the “Monitor Device Details” page
2 Click the “Inverter List” item and enter the “Inverter List” page to connect to the inverter.
3.Click the inverter serial number
.
»Proceed with inverter parameters settings.
Fig. 13: Connect to inverter
NOTE
Scan device in Inverter List page
Under normal circumstances, you do not need to search for devices.
You might lose your previous inverter list and data due to the following cases:
› The Wi-Fi stick has no communication with the inverter.
› You have added a single inverter/multiple inverters connected to the Wi-Fi stick.
› You have removed a single inverter/multiple inverters connected to the Wi-Fi stick.
› You have replaced a single inverter/multiple inverters connected to the Wi-Fi stick.

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By clicking “Inverter’s Parameter Setting”, you can set the inverter parameters. No passcode is required for the first use of
these parameter settings during the initial commissioning of the inverter. If the inverter parameters need to be changed
after the initial commissioning, a passcode will be required. The inverter-specific passcode can be obtained from KACO
Service.:
Fig. 14: Inverter passcode

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2.2.2 Enabling Inverter functions
All required inverter functions can be activated by enabling them as shown below.
Fig. 16: Inverter function enable/disable
2.2.3 Inverter gird parameter setting: grid standards
The currently selected country standard is displayed on the right side of ‘Country standard’.
To select the required local grid code please click on ‘ Grid Standard Settings’ . The next page will display the country
standard list. Here you can choose the right grid standard.
Fig. 17: Grid Standard

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2.2.4 Inverter gird parameter setting: power up
Tap ‘Parameter Settings For Starting’, the next page will display the parameter.
The appropriate voltage range and frequency range for starting can be set according to the requirements of the local grid
company.
Fig. 18: Parameter settings for starting

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2.2.5 Inverter gird parameter setting : voltage protection
Tap ‘Grid Voltage Protection’, the next page will display the parameter.
There are three threshold level for the overvoltage and undervoltage protection. The first threshold means the smallest
range, and the third threshold means the largest range.
All thresholds need to follow the principles as below:
1. The first maximum threshold ≤ The second maximum threshold ≤ The third maximum threshold
2. The first minimum threshold ≥ The second minimum threshold ≥ The third minimum threshold
3. The first threshold tripping time ≤ The second threshold tripping time ≤ The third threshold tripping time
Fig. 19: Grid voltage protection

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2.2.6 Inverter gird parameter setting: frequency protection
Tap ‘Grid Frequency Protection, the next page will display the parameter.
There are three threshold level for the over-frequency and underfrequency protection. The first threshold means the
smallest range, and the third threshold means the largest range.
All thresholds need to follow the principles as below:
1. The first maximum threshold ≤ The second maximum threshold ≤ The third maximum threshold
2. The first minimum threshold ≥ The second minimum threshold ≥ The third minimum threshold
3. The first threshold tripping time ≤ The second threshold tripping time ≤ The third threshold tripping time
Fig. 20: Grid frequency protection

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2.2.7 Inverter gird parameter setting: reconnection time
Tap ‘Reconnection Time Settings’, the next page will display the parameter.
The observation time during which all the voltage and the frequency values are observed to be within a specified range
prior to the inverter connection or reconnection to the grid can be set in this page.
Fig. 21: Reconnection time

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2.2.8 Inverter active power setting: power limit
During Changing in a.c. operation and control or changing in energy source operation, the active power generated by the
inverter shall not exceed a specified gradient expressed as a percentage of the active nominal power of the inverter per
minute. You can set ‘Active power gradient for increasing’ and ‘Active power gradient for reducing’ according to the
requirement.
The grid company maybe requires reduction of active power on set point. You can set ‘Active power limit’ according to the
requirement.
Fig. 22: Power limit

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2.2.9 Inverter active power setting : over-frequency curve
The inverter may be capable of activating active power response to over-frequency at a programmable frequency threshold
with a programmable droop. There are four mode can be chosen here.
Fix gradient and non-hysteresis: ∆P is the active power as a percentage of Pn, the inverter provide non-hysteresis in the
control of active power response to over-frequency.
Fix gradient and hysteresis: ∆P is the active power as a percentage of Pn, the inverter provide hysteresis in the control of
active power response to over-frequency.
Variable gradient and non-hysteresis: ∆P is the active power as a percentage of PM, the inverter provide non-hysteresis in
the control of active power response to over-frequency.
Variable gradient and hysteresis: ∆P is the active power as a percentage of PM, the inverter provide hysteresis in the
control of active power response to over-frequency.
The below figure descripts the difference between hysteresis and non-hysteresis control
Here,
fn: The rated frequency
freset: Reset frequency
fstart: Starting frequency
fstop: Stopping frequency
∆P : Active power in percentage during reducing
Intentional delay time for P(f) is only active for the activation of the function after the frequency over fstart, and the
intentional delay time plus inherent dead time shall be less than 2s
Min. delay time for active power release is the delay time that the active power can increase after the frequency below
freset.

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Fig. 23: Over-frequency curve

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2.2.10Inverter active power setting: over-voltage curve
The inverter may be capable of activating active power response to overvoltage at a programmable voltage threshold with
a programmable droop. There are five mode can be chosen here.
Fix gradient and non-hysteresis: ∆P is the active power as a percentage of Pn, the inverter provide non-hysteresis in the
control of active power response to overvoltage.
Fix gradient and hysteresis: ∆P is the active power as a percentage of Pn, the inverter provide hysteresis in the control of
active power response to overvoltage.
Variable gradient and non-hysteresis: ∆P is the active power as a percentage of PM, the inverter provide non-hysteresis in
the control of active power response to overvoltage.
Variable gradient and hysteresis: ∆P is the active power as a percentage of PM, the inverter provide hysteresis in the
control of active power response to overvoltage.
The below figure descripts the difference between hysteresis and non-hysteresis control.
Here,
fn: The rated voltage
freset: Reset voltage
fstart: Starting voltage
fstop: Stopping voltage
∆P : Active power in percentage during reducing
Intentional delay time for P(f) is only active for the activation of the function after the voltage over Ustart, and the
intentional delay time plus inherent dead time shall be less than 2s
Min. delay time for active power release is the delay time that the active power can increase after the voltage below Ureset.

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Fig. 24: Over-voltage curve