Delta NT Series Manuale utente
www.deltapowersolutions.com
Delta UPS - Ultron Family
User Manual
The power behind competitiveness
NT Series, Three Phase
10-500 kVA
II
Ultron NT Series
Save This Manual
This manual contains important instructions and warnings that you should
follow during the installation, operation, storage and maintenance of this
product. Failure to heed these instructions and warnings will void the warranty.
Copyright © 2018 by Delta Electronics Inc. All Rights Reserved. All rights of this
User Manual (“Manual”), including but not limited to the contents, information,
and figures are solely owned and reserved by Delta Electronics Inc. (“Delta”).
The Manual can only be applied to the operation or the use of this product. Any
disposition, duplication, dissemination, reproduction, modification, translation,
extraction, or usage of this Manual in whole or in part is prohibited without the prior
written permission of Delta. Given that Delta will continuously improve and develop
the product, changes may be made to the information in this Manual at any time
without obligation to notify any person of such revision or changes. Delta will make
all possible efforts to secure the accuracy and the integrity of this Manual. Delta
disclaims any kinds or forms of warranty, guarantee, or undertaking, either expressly
or implicitly, including but not limited to the completeness, faultlessness, accuracy,
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Table of Contents
III
Table of Contents
Chapter 1 : Important Safety Instructions ------------------------------- 1
Chapter 2 : Introduction ------------------------------------------------------- 3
Chapter 3 : Operation Modes ------------------------------------------------ 4
3.1 Normal Mode (Single) --------------------------------------------- 4
3.2 Back-up Mode (Single) -------------------------------------------- 5
3.3 Reserve AC Supply Mode (Single) ----------------------------- 6
3.4 Maintenance Bypass Mode (single) ---------------------------- 7
3.5 ECO Mode (only for Single Unit) -------------------------------- 8
3.6 Normal Mode (Parallel) -------------------------------------------- 9
3.7 Back-up Mode (Parallel) -----------------------------------------10
3.8 Reserve AC Supply Mode (Parallel) --------------------------11
3.9 Maintenance Bypass Mode (Parallel) ------------------------13
3.10 Hot Standby Redundancy ---------------------------------------14
3.11 Common Battery ---------------------------------------------------15
3.12 Dry Contacts --------------------------------------------------------17
Chapter 4 : Installation & Wiring -------------------------------------------19
4.1 UPS Mechanism Data --------------------------------------------19
4.2 External Battery Cabinet -----------------------------------------26
4.3 External & Internal Views ----------------------------------------27
4.3.1 10~80kVA --------------------------------------------------------------------27
4.3.2 100~120kVA -----------------------------------------------------------------29
4.3.3 100kVA (Input: 480Vac; Bypass: 208/ 120Vac; Output: 208/
120Vac) -----------------------------------------------------------------------31
4.3.4 160~200kVA -----------------------------------------------------------------33
4.3.5 260~400kVA -----------------------------------------------------------------35
4.3.6 500kVA ------------------------------------------------------------------------37
4.4 Installation Environment and Safety Precaution ----------38
IV
Ultron NT Series
4.5 Electrical Connection Precaution ------------------------------39
4.5.1 Wiring Precaution ----------------------------------------------------------39
4.5.2 NT-series 500kVA Installation and Wiring ----------------------------40
4.6 UPS Installation Checklist --------------------------------------48
4.7 Floor Weight Loading Table -------------------------------------49
4.8 Cable Selection-----------------------------------------------------50
4.9 Electrical Connections --------------------------------------------52
4.9.1 10~30kVA Output 220Vac Terminal Wiring Diagram --------------52
4.9.2 10~60kVA Output 220/ 380Vac Terminal Wiring Diagram -------53
4.9.3 80kVA Output 220/ 380Vac Terminal Wiring Diagram -------------54
4.9.4 100kVA Output 220/ 380Vac Terminal Wiring Diagram ----------55
4.9.5 100kVA Output 208/ 120Vac Terminal Wiring Diagram
(Only for Dual Input Application) ----------------------------------------56
4.9.6 120kVA Output 220/ 380Vac Terminal Wiring Diagram ---------57
4.9.7 160/ 200kVA Output 220/ 380Vac Terminal Wiring Diagram ---58
4.9.8 260/ 400kVA Output 220/ 380Vac Terminal Wiring Diagram ---59
4.9.9 500kVA Output 220/ 380Vac Terminal Wiring Diagram ----------60
4.9.10 UPS Parallel Wiring Diagram (Single Input) -------------------------61
4.9.11 UPS Parallel Wiring Diagram (Dual Input) ---------------------------62
4.10 Communication Interfaces (NT-Q Board) --------------------63
4.11 Dry Contact Wiring Diagram (Default Value)----------------64
4.12 RS-485 Pin Assignment ------------------------------------------64
Chapter 5 : External Battery Cabinet -------------------------------------65
5.1 External Battery Cabinet Usage Warnings ------------------65
Chapter 6 : UPS Display and Settings -----------------------------------67
6.1 Control Panel -------------------------------------------------------67
6.2 LCD Display Screen-----------------------------------------------68
Chapter 7 : UPS Operation --------------------------------------------------87
3UH6WDUWXS3UH7XUQRႇ:DUQLQJV ------------------------87
Table of Contents
V
7.2 Start-up Procedures ----------------------------------------------87
7.2.1 Normal Mode Start-up Procedures (Single) -------------------------87
7.2.2 Battery Mode Start-up Procedures (Single) -------------------------88
7.2.3 Manual Bypass Mode Start-up Procedures (Single) --------------88
7.2.4 ECO Mode Start-up Procedures (Single)_ only Applicable
to Single Unit with Capacity above 260kVA (Included) -----------90
7.2.5 Normal Mode Start-up Procedures (Parallel) -----------------------91
7.2.6 Battery Mode Start-up Procedures (Parallel) ------------------------92
7.2.7 Manual Bypass Mode Start-up Procedures (Parallel) ------------93
7XUQRႇ3URFHGXUHV -----------------------------------------------96
1RUPDO0RGH7XUQRႇ3URFHGXUHV6LQJOH -------------------------96
%DWWHU\0RGH7XUQRႇ3URFHGXUHV6LQJOH --------------------------96
0DQXDO%\SDVV0RGH7XUQRႇ3URFHGXUHV6LQJOH ---------------97
(&20RGH7XUQRႇ3URFHGXUHV6LQJOHBRQO\$SSOLFDEOH
to Single Unit with Capacity above 260kVA (Included) -----------97
1RUPDO0RGH7XUQRႇ3URFHGXUHV3DUDOOHO ------------------------98
%DWWHU\0RGH7XUQRႇ3URFHGXUHV3DUDOOHO -----------------------99
0DQXDO%\SDVV0RGH7XUQRႇ3URFHGXUHV3DUDOOHO ------------99
Chapter 8 : Optional Accessories ---------------------------------------100
SXOVH5HFWL¿HU ------------------------------------------------ 100
8.2 Input Harmonic Filter -------------------------------------------- 100
8.3 Remote Monitor ------------------------------------------------- 101
8.4 Monitoring Software -------------------------------------------- 101
8.5 Battery Start-up--------------------------------------------------- 101
8.6 ECO Mode ------------------------------------------------------- 101
$SSHQGL[7HFKQLFDO6SHFL¿FDWLRQV -------------------------------- 102
Appendix 2 : Warranty ------------------------------------------------------104
1
Ultron NT Series
Chapter 1 : Important Safety Instructions
z This manual contains important instructions that should be followed during in-
stallation and maintenance of the UPS and batteries. Before wiring and opera-
tion, read all instructions thoroughly.
z,QVWDOOWKH836LQDZHOOYHQWLODWHGDUHDDZD\IURPÀDPPDEOHOLTXLGDQGJDV
Do not let the unit come in contact with water. The UPS is only suitable for being
installed on the concrete and non-combustible surface.
z The external slits and openings in the UPS are provided for ventilation. To en-
sure reliable operation of the UPS and to protect the UPS from overheating,
these slits and openings must not be blocked or covered. Do not insert any ob-
ject into the slits and openings that may hinder ventilation.
z Do not put beverages on the UPS, battery cabinet or any other accessory asso-
ciated with the UPS.
z The UPS is designed to power modern computer loads and associated periph-
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drives, etc. Do not connect (1) inductive loads, (2) capacitive loads or (3) life
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z$OOPDLQWHQDQFHDQGLQVWDOODWLRQVKRXOGEHSHUIRUPHGE\TXDOL¿HGVHUYLFHSHU-
sonnel. The UPS contains high voltage which is potentially hazardous.
z The risk of dangerous high voltage is possible when batteries are still connected
to the UPS even though the UPS is disconnected from AC power sources. Be-
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FXWRႇWKHEDWWHU\SRZHUIURPWKH836
z Isolate the UPS before working on the circuit. A readily accessible disconnect
device shall be installed.
z Before applying electrical power to the UPS, make sure the UPS is grounded to
avoid a possible risk of current leakage.
z The protective device shall be a four-pole device and shall disconnect all line
conductors and the neutral conductor.
z'RQRWGLVSRVHRIWKHEDWWHU\RUEDWWHULHVLQD¿UH7KHEDWWHULHVPD\H[SORGH
zDo not open or damage the battery or batteries. The released electrolyte is
harmful to the skin and eyes and may be toxic.
Chapter 1 Important Safety Instructions
2
zA battery can present a risk of electric shock and high short-circuit current. The
following precautions should be observed before replacement of batteries:
1. Remove watches, rings, or other metal objects.
2. Use tools with insulated handles.
3. Wear insulating gloves and boots.
4. Do not lay tools or metal parts on the top of batteries.
5. Disconnect the charging source prior to connecting or disconnecting the
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WARNING:
This is a class-A UPS. In a domestic environment, the product may
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take additional measures.
zStandard Compliance:
- EN 62040-1
- EN 62040-2
- IEC 61000-4-2 Level 4
- IEC 61000-4-3 Level 3
- IEC 61000-4-4 Level 4
- IEC 61000-4-5 Level 4
- IEC 61000-4-6
z Symbol Introduction
Protective grounding terminal: a terminal which must be connected
to earth ground prior to making any other connection to the
HTXLSPHQW
A terminal to which or from which a direct current or voltage may be
applied or supplied.
This symbol indicates the word "phase".
3
Ultron NT Series
Chapter 2 : Introduction
The NT series UPS is a dedicated design for large scales of power systems such
as data centers, communication systems, satellite systems, network rooms, medical
devices, monitoring, safety and emergency systems as well as factory facilities.
7KH836DGRSWVKLJKIUHTXHQF\63:06LQXVRLGDO3XOVH:LGWK0RGXODWLRQ
inverter technology. The inverter uses an advanced IGBT module capable to
reduce the MTTR (Mean Time to Repair) and easier to be maintained, came with
DGYDQWDJHVLQKLJKHႈFLHQF\ORZWKHUPDOORVVORZQRLVHVPDOOYROXPHDQGORQJ
product life expectation. The applied MCU simplifies complicated control circuits
and reduces number of components. To improve reliability, the NT series UPS is
designed with the following two functions:
Hot standby redundancy: dual input application.
Parallel redundancy: no need to add external parallel control cards and capable to
parallel up to 8 UPS units.
The LCD display with multi-language graphical interface makes the user easier to
operate. System block diagram and status are also available on the LCD providing
the user with clear operating modes and overall conditions. The user can also
implement long-distance monitoring via various communication ports, computers
and network systems. As a result, direct monitoring and control of the UPS is
available (all messages on the LCD are generated by MCU). With the installation of
WKHSURYLGHGH[FOXVLYHVRIWZDUH836HQWU\DWRWDORI836XQLWV¶VWDWXVFDQ
be monitored at the same time via only one PC, which greatly reduces manpower
and facilitates centralized control. The circuit boards of the NT Series UPS are
interchangeable which minimizes component inventory management, and the
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DQGHQKDQFHVWKHXQLW¶VDYDLODELOLW\DQGUHOLDELOLW\
4
Chapter 3 Operation Modes
Chapter 3 : Operation Modes
There are four basic operation modes for the NT series UPS, either of which can
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operation modes are described as follows.
3.1 Normal Mode (Single)
Figure 3-1-a: Status Block of Normal Mode (10-200kVA)
RECTIFIER INPUT
RESERVE
MAINS BREAKER
RESERVE INPUT
BREAKER
MANUAL BYPASS
BREAKER
OUTPUT
BREAKER
Power Flow
BATTERY BANK
Power Flow
LOAD
STATIC SWITCHINVERTERRECTIFIER
Power Flow
Power Flow
Figure 3-1-b: Status Block of Normal Mode (260-500kVA)
MANUAL BYPASS
RESERVE INPUT
OUTPUT
STATIC SWITCH
RECTIFIER INPUT
LOAD
BATTERY BANK
SWITCH
SWITCH
SWITCH
RESERVE
MAINS SWITCH RECTIFIER INVERTER
Power FlowPower Flow
Power Flow
Power Flow
In normal mode, DC power, rectifying from AC input power, charges batteries and
powers the inverter that transforms DC power to stable and clean AC power to the
loads (see Figure 3-1-a and Figure 3-1-b).
5
Ultron NT Series
3.2 Back-up Mode (Single)
RECTIFIER INPUT
RESERVE
MAINS BREAKER
RESERVE INPUT
BREAKER
MANUAL BYPASS
BREAKER
OUTPUT
BREAKER
BATTERY BANK
Power Flow
Power Flow
LOAD
STATIC SWITCHINVERTERRECTIFIER
Power Flow
Figure 3-2-a: Status Block of Back-up Mode (10-200kVA)
MANUAL BYPASS
RESERVE INPUT
OUTPUT
STATIC SWITCH
RECTIFIER INPUT
LOAD
BATTERY BANK
SWITCH
SWITCH
SWITCH
RESERVE
MAINS SWITCH RECTIFIER INVERTER
Power FlowPower Flow
Power Flow
Figure 3-2-b: Status Block of Back-up Mode (260-500kVA)
When the utility AC power fails or unstable voltage occurs, the batteries will instantly
provide DC power to keep continuous operation. Hence, the UPS output will not be
interrupted.
Indice
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