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Studer NEXT3 User Manual
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Studer Innotec SA
next3
Technical user manual
V
1.
3 © Studer-Inn
otec SA
109
to
detect
i
f
there
is
a
l
oad
connected
and
rea
ctivate
the
inverter
if it
is
the
case.
The
sensitivity
of load detection can
be set from 0.
1% of the no
minal power (15W)
up to
1% (150W).
108
110
Table of Contents
Table of Contents
2
Introduction
4
Glossary
5
Symbols and Conventions
5
General Information
6
About this User Manual
6
Important Safety Instructions
7
Quality and Warranty
7
Exclusion of Warranty
7
Exclusion of Liability
8
Handling and Mounting
9
Handling and Moving
9
Storage
9
Dimensions
9
Dimensions of Wall Mounted Next3
9
Dimensions of the 19'' Rack Next3
10
Dimensions of the Nx-Interface
11
Unpacking and Mounting
12
Mounting Place
12
Unpacking and Mounting Process
13
Wiring
21
General Overview
21
System Block Diagram
21
General Recommendations
22
Connections Overview
23
Tightening Torques
26
Max Permissible Cable Cross-Sections Summary
26
Connecting the Battery
27
Dimensioning the Battery
28
Battery Cable Cross-Section, DC Protective and Disconnection Devices
29
Connecting the Battery
29
Earthing of Battery
31
Precautions When Using Batteries
31
Battery Temperature Sensor Connection (Nx-Tempsensor)
32
Battery with Communicating BMS: CAN Connection
33
Connecting the AC (Alternative Current)
34
Sizing of AC Protective Devices
35
AC Neutral and Earthing System
37
Connecting the Photovoltaic Generator
40
PV String Dimensioning
40
Connection
42
Earthing of PV
43
Cables and Cross-Section
44
Protection Devices
45
Lightning Protection
45
Connecting the Studer Communications Cables
46
Connection of the Nx-Interface
47
Connection to Internet
49
Wiring Auxiliary I/O
50
Auxiliary Contacts
50
Command Inputs
51
Rs485I
51
Multi-Unit Configurations
52
Extension of an Existing Installation
52
Power-Up of the Equipment
53
Initial Configuration
53
Front Panel Button
53
Front Panel LED Indicator
54
Beep Indicator (Buzzer)
56
Hmi: Use of Nx-Interface
57
General Navigation and Use
58
Screens Map
59
Embedded Documentation
61
Accessibility
62
Displaying the State of the Energy System on the NX-Interface
64
Simple Dashboard
64
Synoptic
65
Simple Chart
66
Messages
66
The Nx-Interface Functionalities
67
Remote Control
67
Update
69
Installation Configuration
71
Monitoring & Dataloging
73
Configuration and Operation of the Next3 Energy System
77
Essentials to Know about a Next3 System
77
Understand the General Energy Strategy
78
Standard Use Cases
81
Configuration
83
Configuration Wizard
83
AC-Source
91
General Information
91
AC-Source Information
91
AC-Source Settings for Grid
93
AC-Source Settings for Genset
94
Solar PV
96
General Information
96
Solar Information
96
Solar Settings
98
Battery
100
General Information
100
Battery Information
100
Battery Settings
101
Battery: Additional Explanations
103
AC-Loads
107
General Information
107
AC-Loads Information
107
AC-Loads Settings
108
AC-Flex
111
General Information
111
AC-Flex as Source; Information and Settings
111
AC-Flex as Loads; Information
111
AC-Flex as Load; Settings
113
Device and I/O: Aux Contacts, Inputs and Communication
120
General Points
120
Device Information
121
AUX-Contacts Settings
121
IN-CMD Settings
123
Rs485I Settings
123
System Settings
124
Earthing Relay
124
Source Priority
125
Maintenance of the Installation
127
Technical Data
128
Product Recycling
131
Conformity
131
4
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Studer NEXT3 Specifications
General
Brand
Studer
Model
NEXT3
Category
Industrial Equipment
Language
English
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