The ARK LV HUB-A1 is designed to be applied to multiple batteries in parallel. It supports
the information collection of 8 groups of parallel batteries and sends to the energy
storage unit, summarize the temperature, current and other communication functions of
the batteries. The following specifically introduces the content of ARK LV HUB-A1.
1.2 Appearance
1 Product Overview
1.1 Intended Use
ARK LV HUB-A1 consists of information summary module, busbar and mechanical parts.
Product appearance is shown as below.
Fig 1.1: Dimension
12
1.3 Working Principle and Function
ARK LV HUB-A1 is a battery group parallel control unit, composed of control module,
busbar, power button and mechanical parts. A maximum of 8 battery groups connected
in parallel to increase the capacity and power of the battery system. It real-time
communication with PCS (Power Conversion System) and BMS (Battery Management
System) via CAN.
ØMonitoring : battery voltage, temperature, current detection.
ØProtection and Alarm: protection and alarm when overvoltage, under voltage, over
current, over-temperature or under temperature occurs. See Appendix I for details.
ØReport: report all alarm and status data to PCS.
ØParallel connection: support up to 8 battery groups in parallel.
ØPassive balance function.
Dimension (unit: mm)
Safety 2
Safety information contains in this section must be observed at all times when working
on or with this product. For safety, installers are responsibility to familiarize themselves
with this manual and all warnings before installation.
2.1 Basic security
The product has been designed and tested in strict rules with international safety
certification requirements. Read all safety instructions carefully before any work and
obey the rules at all times when working on or with the product. Growatt shall not be
liable for any consequence caused by the violation of the following:
Damage occurred during transportation.
Incorrect transportation, storage, installation and use, or customer fails to convey the
correct information about transportation, storage, installation and use to terminal
customers.
Non-professional installation.
Failure to obey the rules of this operation instructions and safety precautions in this
document.
Unauthorized modifications or removal of the software package.
Product tamper label is damaged or product with any part missing (except the
authorized dissemble parts).
Operation in extreme environments which are not allowed in this document.
Repair, disassemble, or change product without authorization and cause failure.
Damage to shell labels or modifies date of production.
Damages due to force majeure (such as lightning, earthquakes, fire, and storms).
Warranty expiration.
2.2 Safety Precautions
2.2.1 Environment requirements
Do not expose the ARK LV HUB-A1 to temperature above 50℃or heat sources.
Do not install or use the ARK LV HUB-A1 in wet locations, moisture, corrosive gases or
liquids, such as bathroom.
Please install indoors, outdoor installation is not supported.
Place ARK LV HUB-A1 in safe place away from children and animals.
Power terminals shall not touch conductive objects such as wires.
Pack should not be in contact with liquid.
2.2.2 Operation Precautions
Do not touch the ARK LV HUB-A1 with wet hands.
Do not disassemble the ARK LV HUB-A1 without permission.
Do not crush, drop or puncture the ARK LV HUB-A1.
Store ARK LV HUB-A1 in accordance with this manual.
Ensure the connection of ground wire reliable.
Remove all metal objects such as watches and rings that could cause a short-circuit
before installation, replacement and maintenance.
The ARK LV HUB-A1 shall be repaired, replaced or maintained by skilled personal that has
been recognized.
