ZCS AZZURRO CONNEXT User manual

Identification: MD-AL-GI-00
Rev. 1.2 of 24/06/21 - Application: GID
Zucchetti Centro Sistemi S.p.A. - Green Innovation Division
Via Lungarno, 248 - 52028 Terranuova Bracciolini - Arezzo, Italy
tel. +39 055 91971 - fax. +39 055 9197515
Pile Reg. IT12110P00002965 - Share Capital € 100,000.00 fully paid up
AR Company Reg. no. 03225010481 - REA AR no. 94189
ISO 9001 Certified Company - Certificate no. 9151 - CNS0 - IT-17778
“Connext System User Manual” of 10/01/2023 Rev. 2.2
“CONNEXT” Control System
User Manual

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General instructions
This manual contains important safety instructions that must be followed during installation and
maintenance of the equipment.
Please keep these instructions!
This manual must be considered an integral part of the equipment, and must be available at all times
to everyone who interacts with the equipment. The manual must always accompany the equipment,
even when it is transferred to another user or plant.
Copyright statement
The copyright of this manual belongs to Zucchetti Centro Sistemi S.p.A. No part of this manual
(including the software, etc.) may be copied, reproduced or distributed in any form or by any means
without the permission of Zucchetti Centro Sistemi S.p.A. All rights reserved. ZCS reserves the right
to final interpretation. This manual is subject to change based on feedback from users, installers or
customers. Please check our website http://www.zcsazzurro.com for the latest version.
Technical support
ZCS offers full technical support and advice which can be accessed by making a direct request
through the website www.zcsazzurro.com
The toll-free number for Italy is: 800 72 74 64.

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Summary
1. Preliminary safety instructions ..............................................................................................................................7
1.1. Safety instructions...............................................................................................................................................7
1.2. Symbols and icons...............................................................................................................................................9
2. Product features ........................................................................................................................................................ 11
2.1. Product presentation ...................................................................................................................................... 11
2.2. Product overview ............................................................................................................................................. 12
3. Installation................................................................................................................................................................... 15
3.1. Checks before installation............................................................................................................................. 15
3.2. Installation process.......................................................................................................................................... 17
3.3. Materials and cables........................................................................................................................................ 17
3.4. Electrical connections..................................................................................................................................... 18
3.5. Connecting AC power cables........................................................................................................................ 18
4. Connecting to Azzurro EV charging stations .................................................................................................. 20
5. Systems with ZCS Azzurro inverter.................................................................................................................... 23
5.1. Configuration 1 –System with Azzurro single-phase hybrid inverter........................................ 23
5.2. Configuration 2 –System with Azzurro 3000SP inverter................................................................. 26
5.3. Configuration 3 –System with Azzurro three-phase hybrid inverter ......................................... 28
5.4. Configuration 4 –System with Azzurro single-phase photovoltaic inverter............................ 30
5.5. Configuration 5 –System with Azzurro three-phase photovoltaic inverter ............................. 33
6. Systems without ZCS Azzurro inverter............................................................................................................. 35
6.1. Configuration 6 –System with single-phase photovoltaic production ....................................... 35
6.2. Configuration 7 –System with three-phase photovoltaic production......................................... 37
6.3. Configuration 8 –Single-phase system without photovoltaic production................................. 40
6.4. Configuration 9 –Three-phase system without photovoltaic production................................. 41
7. Initial system configuration .................................................................................................................................. 43
7.1. Creating an account on the Azzurro Systems app................................................................................ 43
7.2. Adding an Azzurro inverter.......................................................................................................................... 47
7.3. Adding measuring systems........................................................................................................................... 48
7.4. Adding and managing wallboxes................................................................................................................ 49

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8. Dry contact management ....................................................................................................................................... 53
8.1. Setting dry contacts from app...................................................................................................................... 53
9. Access for maintenance only................................................................................................................................. 56
9.1. Access connection for maintenance only ................................................................................................ 56
10. Technical datasheet ............................................................................................................................................. 57
11. Maintenance............................................................................................................................................................ 58
11.1. Troubleshooting................................................................................................................................................ 58
11.2. Maintenance ....................................................................................................................................................... 58
12. Dismantling and disposal................................................................................................................................... 59
13. Warranty terms and conditions ...................................................................................................................... 60
14. Appendix A –Wallbox settings ........................................................................................................................ 61
15. Appendix B –Meter settings............................................................................................................................. 64

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Preface
General information
Please read this manual carefully before installation, use or maintenance. This manual contains
important safety instructions that must be followed during installation and maintenance of the
system.
Scope
This manual describes the assembly, installation, electrical connections, commissioning,
maintenance and troubleshooting of the Connext system. Keep this manual so that it is accessible at
all times.
Recipients
This manual is intended for qualified technical personnel (installers, technicians, electricians,
technical support personnel or anyone who is qualified and certified to work on an electrical system),
responsible for installation and start-up of the system. The manual is also intended for end users
who can find useful information on how to manage their installation via the Connext system.
Symbols used
This manual provides information for safe operation and uses certain symbols to ensure the safety
of personnel and materials, and for efficient use of the equipment during normal operation.
It is important to understand this information to prevent accidents and damage to property. Please
take note of the following symbols used in this manual.
Danger: indicates a hazardous situation which, if not resolved or
avoided, could result in serious personal injury or death
Danger
Warning: indicates a hazardous situation which, if not resolved or
avoided, could result in serious personal injury or death
Warning

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Caution: indicates a hazardous situation which, if not resolved or
avoided, could result in minor or moderate personal injury
Caution
Attention: indicates a potentially hazardous situation which, if not
resolved or avoided, could result in damage to the system or other
property
Attention
Note: provides important tips on correct and optimal operation of
the product
Note

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1. Preliminary safety instructions
If you have problems or questions in reading and understanding the
following information, please contact Zucchetti Centro Sistemi S.p.A.
through the appropriate channels.
Note
1.1. Safety instructions
This section highlights the main safety instructions to be followed during installation and use of the
equipment.
Before installing and using the equipment, make sure you read and understand the instructions in
this manual and familiarise yourself with the relative safety symbols shown in this chapter.
According to national and local requirements, permission must be obtained from your local provider
before connecting to the electrical grid. All connections must be carried out by a qualified electrician.
All installation operations must be carried out by a qualified and competent electrician.
Contact the nearest authorised service centre for any repairs or maintenance. Contact your
distributor for information on the nearest authorised service centre. DO NOT carry out repairs
yourself, as this may result in injury or damage.
Qualified personnel
Ensure that the operator has the necessary skills and training to operate the equipment. Personnel
responsible for use and maintenance of the equipment must be qualified and capable of performing
the activities described, and must also have adequate knowledge on how to correctly interpret the
contents of this manual. For safety reasons, this system must only be installed by a qualified
electrician with the necessary training and/or skills and knowledge. Zucchetti Centro Sistemi S.p.A.
declines all responsibility for damage to property or personal injury caused by incorrect use of the
device.
Do not attempt in any way to repair or replace components of the system without the assistance of
qualified personnel.
Installation requirements
Install and start the system according to the following instructions. Choose a suitable location for
installation of the electrical equipment. Make sure there is sufficient space to accommodate future
maintenance work.

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Figure 1 –Do not lose or damage this manual
Transport requirements
If there are any problems with the packaging that could cause damage to the system or if there is
visible damage, notify the transport company immediately. If necessary, request assistance from an
installer or from Zucchetti Centro Sistemi S.p.A. Transport of the equipment, especially by road, must
be carried out with vehicles suitable to protect the components (especially the electronic
components) against violent knocks, humidity, vibrations, etc.
Electrical connections
Please follow all the current electrical regulations concerning accident prevention.
Before connecting the power supply, make sure to properly
disconnect the voltage on the AC connection cables.
Danger
All installation operations must be carried out by a professional
electrician, who
is prepared and has read this manual carefully and understands its
contents.
Warning
Do not remove the information label or tamper with the system.
Otherwise, ZCS will not provide any warranty or assistance.
Note

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Operation
Do not use the product if it has any defects, cracks, scratches or leaks, but contact your dealer or ZCS
technical service.
Contact with the electrical grid or the terminal of the equipment
may cause electrocution or fire!
•
Do not touch the terminal or the conductor connected to the
electrical grid.
•
Follow all the instructions and safety requirements relating to grid
connection
Danger
If the system is not functioning properly:
•
Disconnect the input and output power supply
Warning
Maintenance and repair
Keep the system clean and dry; if you need to clean it, use a clean dry cloth.
1.2. Symbols and icons
Introduces the main safety symbols on the Connext system. Some safety-related symbols are located
on the device. Before installation, it is important to read and understand the contents of the symbols.
Complies with the European Directives (CE)
Class II equipment
Table 1 –Symbols on the System
’Smin"“’"
There is residual voltage in the inverter! Before opening the equipment,
wait five minutes to ensure that the capacitance has been completely
discharged.
Be careful of high voltage.
Be careful of high temperature.
Complies with European standards.
Ground connection point.
This indicates the allowed temperature range.

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Labels
Figure 2 - Labels on the System

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2. Product features
2.1. Product presentation
The Connext control system is able to communicate with Azzurro electric vehicle charging stations
and Azzurro photovoltaic inverters. It can also measure energy consumption, monitor systems and
safety limits and control domestic loads through the use of accessory sensors and programmable
contacts.
Figure 3 –Example of Connext system connection in a single-phase system

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Figure 4 –Example of Connext system connection in a three-phase system
Overall dimensions: H × W × D = 105 mm x 85 mm (with antenna installed) x 89 mm.
2.2. Product overview
Connext can be installed on DIN bar (8 modules) and powered by a 230V AC mains power supply. It
can be connected to Azzurro accessories, charging stations and inverters, as well as the necessary
power supplies.
Figure 5 –Front view

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The system has a 24-pin terminal block at the bottom for connecting the devices and accessories, a
3-pin terminal block at the top right for power supply connections, an Ethernet connector at the top,
a slot for a microSD card at the top (for possible data storage), a front graphic display and a front
connection for the 4G (or Ethernet) communication antenna.
24-pin terminal block
Figure 6 - 24-pin terminal block
The 24-pin terminal block has the following pin-out.
PIN
Connection
PIN
Connection
1
Not used
13
Relay1 normally closed contact
2
Digital output 2
14
Relay1 common contact
3
Digital output 1
15
Relay1 normally open contact
4
Earth connection
16
Relay2 normally closed contact
5
Digital Input 1
17
Relay2 common contact
6
Digital Input 2
18
Relay2 normally open contact
7
CAN-H
19
Temperature sensor
8
CAN-L
20
Earth connection
9
RS485 +
21
2 B sensor - Production
10
RS485 -
22
2 A sensor - Production
11
Temperature sensor
23
1 B sensor - Exchange
12
Earth connection
24
1 A sensor - Exchange
Table 2 –24-pin terminal block pin-out
The maximum acceptable cable cross-section for the terminals is 1mm2.

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3-pin terminal block
Figure 7 - 3-pin terminal block
The 3-pin terminal block has the following pin-out.
Pin
Connection
L
Line connection
Earth connection
N
Neutral connection
Table 3 –3-pin terminal block pin-out
The maximum acceptable cable cross-section for the terminals is 1.5mm2.
SD card slot
The “push-push” SD card slot allows the use of a microSD card with maximum capacity of 8 GB. The
card is inserted and removed by simply pushing the card in. The microSD card is not on board the
device and is only required for specific applications, as specified by ZCS Technical Support.
Ethernet connector
The Ethernet connector with two LEDs enables network connection via cable. All Connext devices
are already set-up for connection either via the on-board SIM or via cable.

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3. Installation
•DO NOT install the charging station near flammable materials.
•DO NOT install the charging station in an area where flammable or
explosive materials are stored.
Danger
•Take into account the weight of the charging station during
transport and installation.
•Choose an appropriate mounting position and surface.
Attention
3.1. Checks before installation
Checking the outer packaging
Packaging materials and components may be damaged during transport. Therefore, please check the
materials of the outer packaging before installation. Check the surface of the box for external damage
such as holes or tears. If any form of damage is detected, do not open the box and contact the supplier
and the courier as soon as possible.
It is also recommended that you check the contents of the packaging and make sure that they
correspond to what was declared. If not, contact your dealer to have any missing parts sent to you.
Checking the product
After removing the system from its packaging, check that the product is intact and complete. If any
damage is found or components are missing, contact the supplier and transport company.

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Contents of the packaging
No.
Component
Qty
1
Connext
1
2
Product documentation
1
Table 4 –Package contents
Installation tools
The following tools are required for installation and electrical connections; therefore, they must be
prepared before installation.
No.
Tool
Function
1
Screwdriver
To screw and unscrew
screws for the various
connections
2
Crimping tool
To crimp the wires
3
Wire stripping tool
To remove the outer sheath
of the wires
4
Multi-meter
To check the voltage and
current values
Table 5 –Installation tools

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3.2. Installation process
Installation position
Choose an appropriate installation location. Follow the requirements below to determine the
installation position.
The installation location chosen must allow easy access for normal operation and maintenance.
For safety reasons, ZCS and/or its authorised partners may not perform repair/maintenance work
or move the appliance from and to the ground if the devices are installed at a height of more than
180 cm. Devices installed at greater heights must be moved to the ground before they can be repaired
or serviced.
3.3. Materials and cables
Name
Specifications
Quantity
Power cord
≥ 3 × 1.5mm2 single-phase
As required
Network cable
STP or UTP, CAT5E, 8 cores
As required
Connector for network cable
RJ45
As required
Insulating tape
0.15 mm × 18mm; 0-600V;
0°C-80°C
As required
Cable tie
4 × 200mm
As required
Table 6 - Electrical equipment
It is important that all cables used are suitable for outdoor use.
NOTE: For safety reasons, make sure to use suitably sized cables, otherwise the current may cause
overheating or overloading, leading to fires.

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3.4. Electrical connections
This chapter describes the electrical connections of the system. Carefully read this section before
connecting the cables. All the local, regional and national regulations must be complied with during
installation, repair and maintenance of the product.
Before making any electrical connections, make sure there is no AC
current. Zucchetti Centro Sistemi Spa assumes no responsibility for
any liabilities arising from the use of this product. Installation must
be carried out by a qualified professional with the skills and
knowledge to build, install and operate electrical components, and
who has been trained on how to identify and prevent potential risks.
Attention
Installation and maintenance must be performed by professional
technicians or electricians.
Attention
3.5. Connecting AC power cables
Connect the Connext system to the power supply network or mains using the AC power cables.
Context
All AC power cables used for the inverter must be three-pole outdoor cables. For easier installation,
use flexible cables. The specific cross-section recommended for connections is at least 1mm2.
For safety reasons, make sure to use suitably sized cables, otherwise
the current may cause overheating or overloading, leading to fires.
Note

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Cable connection procedure
1) Remove a suitable length of the protective sleeve, as shown in the figure (A: 80~100 mm B: 6~8
mm).
Figure 8- Connecting AC power cables
2) Connect the AC power cable as shown the 3-pin terminal block (Figure 7).

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4. Connecting to Azzurro EV charging stations
Up to 8 Azzurro EV charging stations can be connected in cascade. Connect the Connext system to
the first EV charging station according to the instructions given here.
1) Connect the 8-pin cable to the ports indicated as CAN port in the relevant figure using a RJ45
connector. For clarity,
2) Figure 10 the pin-out of the RJ45 connector is shown.
Figure 9 –Communication connection
Figure 10 - RJ45 connector pin-out
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