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22 

 

Table 4.

 

LCD display section 

Section 

Description 

Graphic 

Numerical 

value 

section 

Display  the  corresponding  numerical 
value of inquiring items (output, load, 
temperature,  input,  battery),  for 
example,  as  the  graphics  shows  the 
output  voltage  is  120v,  the  output 
frequency is 50Hz. 

 

 

Capacity 
graphics 

section 

Display the capacity of the battery and 
load.  Every  pane  represents  20 %
capacity.  As  graphics  shown  above, 
the  capacity  of  the  battery  is  80 %
-100 % (  5  panes),  the  load  reaches 
40 % -60 % (3  panes).  When  UPS  is 
overloaded,  the  icon  will  flash,  when 
battery  is  weak  or  disconnected,  the 
icon will also flash. 

 

Fan-status 

graphics 

section 

Display  if  the  fan  works  normally. 
When  the  fan  works  normally,  it  will 
show the dynamic fan blades rotating; 
when  the  fan  works  abnormally,  the 
icon 

  will keep on flashing with the 

warning. 

 

Charger-status 

graphics 

section 

Display the status of the charger. 
When  charger  works  normally,  the 
corresponding 

icon 

will 

vary 

dynamically and orderly. 
When  charger  works  abnormally,  the 
icon will keep flashing 
When  UPS  is  in  battery  mode,  the 
number  of  the  icons  of  the 
charger-state 

section 

will 

vary 

according to the changeable capacity 
of the battery (pane). 

 

Parameter inquiring 

Press and hold the scroll key

or

for more than half a second (less than 2 seconds) to inquire 

about items. The inquired items include input, battery, output, load, and temperature. Press and hold 
the scroll key

for more than 2 seconds, LCD begins to display the items circularly and orderly which 

transfer to another every 2 seconds. Press and hold the key for some time again, it will return to 
output status.

Summary of Contents for NUPS23-1000

Page 1: ...1 NUPS23 1KVA to 3KVA 120 240VAC Rack Tower Convertible User Guide...

Page 2: ...may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to...

Page 3: ...symbol indicates that you should not discard the UPS or the UPS batteries in the trash This product contains sealed lead acid batteries and must be disposed of properly For more information contact y...

Page 4: ...4 Table of Contents 1 Introduction 5 2 Safety Warnings 6 3 Installation 7 4 Operation 18 5 Communication 31 6 UPS Maintenance 35 7 Specifications 38 8 Troubleshooting 41...

Page 5: ...o 0 8 Three segment charging mode to increase battery service life optimize recharge time Selectable High Efficiency mode of operation Cold start function to startup the UPS without utility Standard c...

Page 6: ...d with branch circuit overcurrent protection in accordance with the National Electrical Code NEC ANSI NFPA 70 Output overcurrent protection and disconnect switch must be provided by others To comply w...

Page 7: ...n 15 days to your service representative Unpacking the Cabinet CAUTION Unpacking the cabinet in a low temperature environment may cause condensation to occur in and on the cabinet Do not install the c...

Page 8: ...are included for each cabinet Left rail assembly Left rail Rear rail 3 M5_8 pan head screws Right rail assembly Right rail Rear rail 3 M5_8 pan head screws Rail hardware kit 8 M5 butterfly nuts 2 rea...

Page 9: ...bly to the front of the rack with one M5 12 pan head screw and one M5 cage nut Using two M5 cage nuts and two M5 12 pan head screws to fix the rail assembly to the rear of the rack FIG 4 Fixing the Ra...

Page 10: ...ptional cabinets FIG 6 Securing the Front of the Cabinet 13 Continue to the following section Rackmount Wiring Installation Rackmount Wiring Installation This section explains Installing the UPS inclu...

Page 11: ...ount of arcing may occur when connecting the internal batteries This is normal and will not harm personnel Connect the cables quickly and firmly FIG 8 Connecting the UPS Internal Batteries 3 If you ar...

Page 12: ...d bonding screw See Rear Covers for the location of the ground bonding screw for each model 7 If an emergency power off disconnect switch is required by local codes see Remote Emergency Power off REPO...

Page 13: ...This is normal and will not harm personnel Insert the EBP cable into the UPS battery connector quickly and firmly 5 Plug the EBP cable s into the battery connector s as shown in FIG 12 Up to four EBPs...

Page 14: ...near the left side of the EBP cabinet Repeat for each additional EBP It is the same with the installation of the front cover Refer to UPS installation 8 Verify that all wires connected between the UPS...

Page 15: ...lation two plastic base brackets flatten it after interlocking Interlock as follows FIG 13 Plastic base installation If an EBP is needed to be placed in the middle the assembly of plastic base is simi...

Page 16: ...E F FIG 14 Increase EBP plastic base 2 The installation between UPS and EBPs FIG 15 The installation for UPS and battery box 1 Install the base and place the RT UPS on the base one by one as Fig 15 sh...

Page 17: ...l turn on and off sequentially 8 Check the UPS front cover display for active alarms or notices Resolve any active alarms before continuing See Troubleshooting If the indicator is on do not proceed un...

Page 18: ...tion about the UPS itself load status measurements and settings see FIG 16 FIG 16 Control Cover Table 1 Indicator Descriptions Indicator Description Red On The UPS has an active alarm or fault Yellow...

Page 19: ...on orderly Press and hold this key for more than 2 seconds Circularly and orderly display the items every 2 seconds when press and hold the key for some time again it will turn to output status Functi...

Page 20: ...ce every four seconds 4 Battery disconnect warning Bypass mode Once every four seconds Affirm if the battery switch is closed Inverting mode inverting mode Once every four seconds Affirm if the batter...

Page 21: ...or maintenance when you can t deal with it by yourself _indicator lights for a long time _indicator flashes _the status of indicator depends on other conditions Display Functions As the default or aft...

Page 22: ...the dynamic fan blades rotating when the fan works abnormally the icon will keep on flashing with the warning Charger status graphics section Display the status of the charger When charger works norma...

Page 23: ...rature Display the temperature of the inverter in the UPS As the following graphics show the temperature of the inverter is 37 Input Display the voltage and frequency of the input As the following gra...

Page 24: ...ress and hold the function setting key for more than half a second less than 2 seconds Now the ECO setting function is completed and the ON or OFF below the ECO will light without flash If you choose...

Page 25: ...range To set the minus range in the same way After the minus range is confirmed Long press function setting key for more than 2 seconds to exit setting menu Output voltage setting 3 Enter the setting...

Page 26: ...key for more than half a second less than 2 seconds select the numerical value in accordance with the real connected battery strings Confirm the battery strings setting interface After selecting nume...

Page 27: ...t the function setting choose output frequency setting interface the letters OPF will flash Enter the output frequency of converter mode setting interface Press and hold the function setting key for m...

Page 28: ...attery voltage reaches low limit UPS will turn off to protect the battery UPS will auto restart when the mains recover NOTE The back up time of battery mode is subject to the load and EBP numbers Batt...

Page 29: ...Code Standby Mode When UPS is plugged into line and not turn on the UPS will work in standby mode to charge the battery No indicator displays on this mode UPS Turn on and Turn off Start up operation T...

Page 30: ...for more than 1 second the LEDs light and go out circularly and orderly The UPS comes to self test mode and tests its status It will exit automatically after finishing testing and the LED indication...

Page 31: ...city You had better not use the ECO mode when the quality of the input AC mains is not good 5 Communication This section describes the Communication ports RS 232 and USB Connectivity cards Emergency P...

Page 32: ...nd a computer connect your computer to one of the UPS communication ports using an appropriate communication cable not supplied See FIG 17 18 for the communication port locations When the communicatio...

Page 33: ...Before installing the connectivity card please remove the clip from the bay Refer to the user s manual of the appropriate cards Emergency Power off EPO is used to shut down the UPS from a distance Th...

Page 34: ...f the Buildings Part 4 Protection for Safety Chapter 46 Isolation and Switching EPO Connections Wire Function Terminal Wire Size Rating Suggested Wire Size EPO L1 4 0 32 mm2 12 22 AWG 0 82 mm2 18 AWG...

Page 35: ...tended Battery Packs EBPs Test new batteries Recycle used batteries or UPS UPS and Battery Care For the best preventive maintenance keep the area around the UPS clean and dust free If the atmosphere i...

Page 36: ...ff Replacing RT UPS and EBPS 1 If the battery fault the following steps are provided for modular unit to replace the new battery pack 2 2 Remove the front cover of the battery box 3 Remove the connect...

Page 37: ...start up combination button 3 Press the battery test combination button to activate the battery test The UPS starts a battery test if the batteries are fully charged the UPS is in Normal mode with no...

Page 38: ...al or electronic equipment WEEE in the trash For proper disposal contact your local recycling reuse or hazardous waste center 7 Specifications Model Specifications This section provides the following...

Page 39: ...60 Hz 0 5Hz auto sensing 46Hz 54Hz 0 5Hz 50HZ or 56Hz 64Hz 0 5Hz 60HZ Power factor 0 98 Current harmonic 10 100 linear load output Output style Single phase and ground Rated voltage 100 108 110 115 12...

Page 40: ...midityu humidity 0 95 non condensing Altitude 1500m lower the rated power for use Store temperature 25 55C Table 15 Mechanical Specification Model Battery voltage Dimension W D H mm Net weight Gross W...

Page 41: ...ours to 90 Battery Port External six pole Anderson connector on UPS for connection to EBP 8 Troubleshooting The following messages are the information that users would find on UPS when it meets some p...

Page 42: ...S overload Check the usage of loads remove some redundant devices Battery aged When replace battery contact franchiser to get battery and relative assembly UPS doesn t startup after pressing the ON ke...

Page 43: ...1 41 81 P Bus Low 35 31 70 90 N Bus Low 55 51 71 91 Bus unbalance 82 83 84 85 Soft fail 62 Inv Fault High 04 24 42 86 Low 14 34 52 96 Soft fail 63 Bus discharge fail 61 Over Heat 33 06 08 43 53 INV sh...

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