SunSynk BB-300 Manuale utente

v.7(11/29/23) PLEASE RETAIN FOR

FUTURE REFERENCE

SUNSYNK BUSBAR

USER MANUAL

SUNSYNK-BB-300

www.sunsynk.com

[email protected]

SUNSYNK-BB-300 | User Manual2

SAFETY PRECAUTIONS 3

Safety Warnings 3

Transport and Storage 3

INTRODUCTION 3

Sunsynk Busbar 3

Sunsynk Busbar System 4

FEATURES 4

Internal Parts and Wiring Diagram 4

SYSTEM DESIGN 5

Interconnecting Sunsynk Busbar 5

Orientation of Sunsynk Busbar 6

System Example 7

System Sizing 8

Current Rating 8

Fusing 8

Cabling 8

INSTALLATION 8

Mechanical Connections 8

Connection Features 8

Mounting and Interconnecting 9

Electrical Connections 10

Connecting DC Wires 10

Ground and Negative Connections 10

Positive Connections 12

COMMISSIONING THE SUNSYNK BUSBAR 12

TROUBLESHOOTING AND SUPPORT 12

Cabling Issues 13

WARRANTY 13

TECHNICAL SPECIFICATIONS 13

Table of Contents

SUNSYNK-BB-300 | User Manual3

SAFETY PRECAUTIONS

Safety Warnings

WARNING

Do not work on live busbars. Ensure that the busbar is unpowered by disconnecting all positive

battery poles prior to removing the Sunsynk Busbar front cover.

Work on batteries should be carried out by qualied personnel only. Observe the battery safety

warnings as listed in the battery manual.

Transport and Storage

Store this product in a dry environment.

The storage temperature should be: -40°C to +65°C.

No liability can be accepted for damage in transit if the equipment is not transported in its

original packaging.

INTRODUCTION

Sunsynk Busbar

The Sunsynk Busbar contains a positive and negative busbar with 4 connections for batteries, loads or

chargers and a ground connection.

Sunsynk Busbar with and without cover.

SUNSYNK-BB-300 | User Manual4

Sunsynk Busbar System

The Sunsynk Busbar system is a modular busbar system that incorporates DC connections and distribution

for energy.

Sunsynk Busbar - A positive and negative busbar with 4 connections for batteries or DC equipment.

FEATURES

Internal Parts and Wiring Diagram

The internal physical parts and the wiring diagram of the Sunsynk Busbar indicating the following parts:

Positive busbar

Negative busbar

Positive connections

Negative connections

Ground connection

The internal physical parts of the Sunsynk Busbar.

SUNSYNK-BB-300 | User Manual5

GND

The internal wiring diagram of the Sunsynk Busbar.

SYSTEM DESIGN

Interconnecting Sunsynk Busbar

Each Sunsynk Busbar can connect to other Sunsynk Busbar's on both sides using the links and M8

bolts provided.

If the Sunsynk Busbar is the rst in line, the last in line or is used by itself, it is possible to connect batteries,

loads or chargers directly by adding/exposing the link. However, we do not generally recommend this

because additional insulation and fusing is needed.

Sunsynk Busbar connections: the arrows indicate where the other Sunsynk Busbar's can connect.

SUNSYNK-BB-300 | User Manual6

The Sunsynk Busbar can be mounted in any orientation. However, IP22 suggests it is mounted as above.

Orientation of Sunsynk Busbar

Example of Sunsynk Busbar mounted upside down.

SUNSYNK-BB-300 | User Manual7

System Example

In this system a Sunsynk Busbar is used by itself.

Single Phase Example

The Sunsynk Busbar does not contain fuses. All connected load, chargers or batteries need to be

fused externally.

Multiple Sunsynk Busbar's can be connected to each other thus creating a longer busbar with more

connections for batteries and/or loads.

3 Phase Example

L2 L3

SUNSYNK-BB-300 | User Manual8

System Sizing

Current Rating

The Sunsynk Busbar is rated for a nominal current of 800A, for 12, 24 or 48 system voltages.

To give an idea of how much power the Sunsynk Busbar is rated at dierent voltages, see the below table.

The power rating will give you an indication how big the connected inverter/charger system can be.

System Voltage 12V 24V 48V

800A 12kW 24kW 48kW

Fusing

The Sunsynk Busbar does not have fuses, fusing needs to be done externally.

Always use fuses with the correct voltage and current rating. Match the fuse rating to the maximum voltages

and currents that potentially can occur in the fused circuit.

The total value of the fuses of all circuits should not be more than the current rating of the

Sunsynk Busbar.

Cabling

The current rating of the wires or cables used to connect the Sunsynk Busbar to batteries and/or the DC

loads has to be rated for the maximum currents that can occur in the connected circuits. Use cabling with a

sucient core surface area to match the maximum current rating of the circuit.

INSTALLATION

Mechanical Connections

Connection Features

The Sunsynk Busbar can be opened up by unscrewing 2 cover screws.

SUNSYNK-BB-300 | User Manual9

Mounting and Interconnecting

This paragraph explains how to attach several Sunsynk Busbar's to each other and how to mount the

Sunsynk Busbar assembly into its nal location.

When mounting onto the wall, please use the drill template and screw pack that are provided. The mounting

positions in the busbar match the drill template guide.

These are the points to take into consideration when interconnecting and mounting the Sunsynk Busbar:

Remove the easy break access windows for linking busbar's shown in the below illustrations.

Connect all Sunsynk Busbar's to each other using the M8 holes, bolts and links provided.

Place the washer and nut on the bolts and tighten the bolts using a torque of 14Nm.

Mount the Sunsynk Busbar in its nal location using the 5mm mounting holes.

Figure 1: easy break access windows and linking position.

BUSBAR BUSBAR

LINK

NUT

BOLT

Figure 2: connection sequence when connecting two Sunsynk Busbar's.

Correct placement of the M8 washer and nut.

EASY BREAK

ACCESS WINDOWS

FOR BUSBAR LINK

FIXING SCREWS

WIRE GUIDES

WALL MOUNT

POSITIONS

SUNSYNK-BB-300 | User Manual10

Electrical Connections

Connect DC Wires

For all DC connections the following applies:

All cables and wires connected to the Sunsynk Busbar need to have been tted with M8 cable lugs.

Pay attention to the correct placement of the cable lug, washer and nut on each bolt when attaching the

cable to the bolt.

Tighten the nuts with a torque moment of 14Nm.

M8 BOLT

SUNSYNK

BUSBAR

M8 WASHER

CABLE LUG

Figure 3: correct mounting sequence DC wires.

Correct placement of the M8 cable lug, washer and nut.

Ground and Negative Connections

Connect the ground wire: this only applies if the system requires a ground connection. There should only be

one ground connection per system.

Ground connection.

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