DEFA Balancer Load Balancing Unit Instruction Manual

Balancer
Estimated installation time: 5 min
Installation Manual

http://defa.com/power-get-started

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Installation recommendation

The recommended order of installation is:

1. Install DEFA Power.
2. Install DEFA Balancer.
3. Configure DEFA Power and DEFA Balancer.
4. Test and verify charging system.

Safety information

Important! Read this document before installing the device. Failure to follow any of the instructions or warnings can result in material damage or personal injury.
Important! DEFA Balancer may only be installed, uninstalled or repaired by a licensed electrician and the installation must be executed in accordance with national and local regulations.
Important! Non-compliance with the safety information and instructions contained in the comprehensive manuals and printed on the device or any actions contrary to these, may lead to electric shock, fire and/or severe injury.
Important! Make sure the power supply is disconnected before the installation and remains so during the entire installation process.
Important! Do not install the device if the outer shell has been damaged.
Important! Current transformers may not be installed in equipment where they exceed 75 percent of the wiring space of any cross-sectional area within the equipment.
Important! Restrict installation of current transformer in an area where it would block ventilation openings.
Important! Restrict installation of current transformer in an area of breaker arc venting.
Important! Not suitable for Class 2 wiring methods and not intended for connection to Class 2 equipment.
Important! Secure current transformer and rout conductors so that the conductors do not directly contact live terminals or bus.
Important! Leads of the current transformers shall be maintained within the same end-product enclosure.
Important! The current transformer wires must not be in contact with other live wires or parts.
Important! The current transformers are intended for installation within the same enclosure as the equipment.
DANGER Sections marked with this symbol draw attention to electrical voltages that represent a danger to life and limb. Actions contrary to these safety notices may lead to severe or fatal injury. Actions contrary to these safety notices must not be carried out under any circumstances.
WARNING Sections marked with this symbol draw attention to additional hazards that may lead to damage to the product itself or to other electrical devices. Actions marked with this symbol must be carried out with special care.
NOTICE Sections marked with this symbol draw attention to additional important information and special features that are necessary for the reliable operation of the device. Actions marked with this symbol should be carried out as required.

What’s included

Product description

A: AC 230V input
B: Status LED
C: Antenna
D: QR code to access device information
E: Ethernet plug
F: Terminals for current transformers
NOTICE The intended use of the equipment is to be installed in the fuse box and used together with DEFA Power as a dynamic load balancer for optimizing electric vehicle charging.

Installation planning

• Make sure to follow local regulations which may overrule some of the installation requirements below.
• The installation site must not be located in an area subject to flooding, in close proximity to water, or in areas used to store objects or containers containing liquids.
• Make sure there are 2 DIN-module spaces available for the installation.
• Make sure the network the charging station is connected to is also available for DEFA Balancer.
• Make sure conductors are secured from strain, including twisting where they are connected and shall be protected from abrasion.
• Make sure wires used with this product have an operating temperature range of at least -25 to +60°C. Copper or aluminium cables can be used.

Tools needed

Accessories
For more information about accessories for this product, such other sensor sizes, scan the QR code on the cover of the manual.

Network connection requirements

DEFA Balancer supports Wi-Fi (2.4 or 5GHz) and ethernet connections. DEFA Balancer needs to be connected to the same network as the charging station.
Ethernet: Follow the steps in Installation and setup in order to connect the Ethernet cable.
Wi-Fi: Make sure there is strong and stable Wi-Fi reception available. Connect to the same network as the DEFA Power charging station. If necessary, make sure the Wi-Fi password is provided prior to installation. See the commissioning tool for further instructions on how to connect to Wi-Fi.
The owner may configure DEFA Balancer at a later point through the Power Setup app, but it is recommended to do so during the installation.

Installation and setup

Installation
DANGER Make sure there is no power in the cable during the installation.
DANGER Use transformers supplied by DEFA that has stranded conductors, that are tinned or crimped with a ferrule before being installed in terminal blocks.
WARNING When installing the current sensors, connect the sensor leads to DEFA Balancer before placing sensors on the selected power cables.
NOTICE Keep the distance between the current sensors and DEFA Balancer as short as possible since the length of the sensor leads will affect measuring accuracy.

1. Mount DEFA Balancer on the DIN rail.

2. Connect the sensor leads to DEFA Balancer. Input 1 and 2 measures L1, input 3 and 4 measures L2, input 5 and 6 measures L3:

3. Connect the sensors to the phases that is to be measured. Make sure the arrow on the sensor follows the current direction.
   WARNING When the power is on in the facility, the current sensors must never be disconnected from the current reader if they are to be placed on- or removed from the power cables.

4. Connect power to DEFA Balancer to an existing circuit branch in the installation or a separate circuit breaker (Max. 20A). The circuit breaker must be marked as the disconnection device for DEFA Balancer.

5. Check all connections and make sure all cables are connected correctly.

6. Turn the power on.

Setup

Platforms
Smartphone or tablet (Android or iOS).

1. Go to the App Store or Google Play Store, by scanning the QR code shown on the screen of DEFA Power or below, and download the Power Setup app. https://powersetup.apps.iot.defa.com/

2. Open the Power Setup app on your smartphone or tablet.

3. Select the type of configuration needed for your installation and follow the steps and guide in the Power Setup app.
   When DEFA Balancer is installed and commissioned, it is recommended to verify that the DEFA Balancer operates as intended.
   

Status indicators

The LED indicator flashes in different colors and intervals, depending on the state of the DEFA Balancer unit. In this list, each state and its flashing intervals is described. Each light circle represents a 200 ms light flash interval.

1. OffDEFA Balancer is turned off. There is no indication from the unit.
2. Pairing active, not connected to networkBluetooth is active. No Wi-Fi or LAN is connected.
3. Setup modeMobile device connected through Bluetooth. Communication between devices active.
4. Searching for networkPairing to network. Trying to connect.
5. Status OK, working as intendedStatus OK. Reporting values in the connected network
6. Invalid current valuesUnreadable current values.
7. Low signal strengthLow Wi-Fi signal strength with network. WiFi RSSI < -80 dBm.
8. Network signal lostLost signal to stored network information.
9. Faulty measurement on sensorsMeasurements outside of measurement scope.
10. Internal error detectedAn internal error has occurred.

Technical specifications

Sensor

Antenna

Maintenance

• Use a damp cloth to clean. Do not use water or harsh chemicals.
• Make sure the terminals are completely dry before using the product after cleaning.

Contractual warranty

Warranty
This product holds the same legal guarantee period and warranty period prescribed in the country where the product was purchased. The guarantee and warranty is only valid by the legal provision of the country of purchase – the guarantee or warranty is not transferable. DEFA’s warranty obligations will not apply if the product is damaged due to accident, abuse or other external causes, or if any non- authorized modifications have been performed or guidelines have not been followed during the service/repair. Approved repairs by DEFA do not affect the warranty (if the repairs have been made in accordance with the guidelines and are performed by a DEFA authorized technician). DEFA guarantees the DEFA branded product contained in the original packaging to be without defects within the legal guarantee period, where applicable defects are limited to those originating from normal use and obvious material or manufacturing defects. DEFA will in such cases attempt to restore the product to the intended function. Claims will be rejected if damage can be shown to be the result of improper use, modifications, non- authorized repairs or force majeure. All installation steps must be performed by a certified installer, otherwise the guarantee and warranty will become void. If the product is defect or malfunctioning due to improper installation, any guarantee and warranty will become void. For more information regarding guarantee and provisions please visit defa.com Waste management At the end of service life, dispose of the product according to local rules and do not dispose the product with regular household waste. The correct disposal of your product will help prevent potential negative consequences for the environment and human health.

Contact information

If you have any questions, contact your local vendor or visit defa.com.
If you have any feedback on how the system or support can be improved, feel free to give us your input at defa.com
Installed by:
Rating of product installed: A/kW
Date:
Signature:
Designed by
DEFA AS
Slependveien 108
1396 Billingstad
Norway
Manufactured by
DEFA Technology (Wuxi) Co., Ltd in China.

To download a full manual in your local language and see user instructions or video/animations, scan the QR code or visit defa.com

References

• DEFA • World leading preheating, charging and inverter systems

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