Staco Energy UniStar C User manual

Form No. 003-2308 Rev C
1K/2K/3K
UniStar C
Intelligent True On-Line UPS
User Manual

1
Table of Contents
1 Important Safety Introduction...................................................................3
1.1 An Important Notice.............................................................................3
1.2 Storage Instruction ............................................................................4
2 Product Introduction............................................................................4
2.1 General Characteristics.......................................................................4
2.2 Special Features .................................................................................5
3 UPS Functiuonal Descriptions.............................................................6
3.1 UPS Front Panel Display Descriptions................................................6
3.1.1 LED Panel (Standard) ........................................................................6
3.1.2 LCD Panel...........................................................................................6
3.1.2.1 LCD Display.........................................................................................6
3.1.2.2 Symbols on the LCD Display Panel.....................................................7
3.2 Rear Panel Descriptions ....................................................................8
3.3 Operating Modes & Voltage System Configurations.........................10
3.3.1 System Configuration Settings..........................................................10
3.3.2 Software Programmable Outlet Setting.............................................12
3.4 Communication Port Explanation......................................................14
3.4.1 True RS232 Port Descriptions .........................................................14
3.4.2 USB Port Descriptions.......................................................................15
3.4.3 EPO...................................................................................................15
4 Installation and Operation..................................................................16
4.1 Unpacking .........................................................................................16
4.2 Selecting Installation Position ..........................................................17
4.3 Set Up................................................................................................18
4.4 Operation .........................................................................................21
4.4.1 Start Up in Normal Mode...................................................................21
4.4.1.1 Start-up in Battery Mode (Cold Start)................................................23
4.4.1.2 Check Measured Values & Figures detected by UPS.......................24
4.4.1.3 UPS Default Data and Special Function Execution...........................25
4.4.1.4 UPS Default Settings and Their Alternatives.....................................28
4.4.1.5 UPS Is Off Due To Unknown Reason and Trouble Shooting............29
4.4.1.6 Shut Off .............................................................................................30
4.4.2 Status & Audible Alarm .....................................................................30
4.4.3 Battery Replacement.........................................................................31
5 UPS Working Principle......................................................................33
5.1 UPS System Block Diagram..............................................................33
5.2 When Utility is Normal.......................................................................34
5.3 When Utility is Abnormal/Absent.......................................................35
5.4 Overload Condition............................................................................36
5.5 Inverter Failure ..................................................................................37
5.6 Inverter/Internal Over Temperature...................................................38
5.7 Inverter Over Current and Output Voltage Out Of Tolerance............38
6 Maintenance Guide ...........................................................................39

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6.1 Trouble Shooting...............................................................................39
6.2 Error Codes and their Descriptions...................................................39
6.3 Maintenance......................................................................................39
7 Bundled Software Installation Guide.................................................40
7.1 Hardware Installation ........................................................................40
7.2 Software Installation..........................................................................40
8 Dry Contact card SC-Relay (Optional)..............................................41
8.1 The Pin assignments of 10-Pin Terminal..........................................41
8.2 SNMP Card .....................................................................................42
8.2.1 SNMP/WEB Card SC-SNMPI (Optional)..........................................42
9 Specifications....................................................................................43

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1. Important Safety Instruction
1.1 An Important Notice
1. Do not open the case, as there are no serviceable parts inside. Your
Warranty will be void.
2. Do not try to repair the unit yourself; contact your local supplier or your
warranty will be void.
3. If liquids are split onto the UPS or foreign objects dropped into the unit, the
warranty will be null and void.
4. Do not install the UPS in an environment with sparks, smoke or gas.
5. This UPS is equipped with an EMI filter. To prevent potential leakage
current hazard, ensure that the AC main supply is securely grounded.
6. This UPS is designed to be installed and commissioned in a sheltered,
controlled environment as follows:
- Operating temperature 0-40°C and 30-90% non-condensing humidity.
- Always avoid contact with direct sunlight.
- Do not install the UPS in a flammable or hazardous environment.
- Dusty, corrosive and salty environments can do damage to any UPS.
- Install the UPS indoors as it is not designed for installation outdoors.
7. To prevent any overheating of the UPS, keep all ventilation openings free
from obstruction, and do not place anything on top of the UPS. Keep the
UPS rear panel 20 cm away from the wall or other obstructions.
8. The battery will discharge naturally if the system is unused for any length of
time.
9. Install the UPS away from objects that give off excessive heat and areas
that are excessively wet.
10. Always switch off the UPS and disconnect the batteries when relocating the
UPS.
11. The batteries should be recharged every 2-3 months if unused. If this is not
done, then the warranty will be null and void. When installed and being used,
the batteries will be automatically recharged and kept in top condition.
12 Make sure that the AC Utility outlet is correctly grounded.
13. Please ensure that the input voltage of the UPS matches the utility supply
voltage. Use a certified input power cable with the correct plugs and sockets
for the appropriate voltage system.
14. Intended for installation in a temperature-controlled, indoor area free of
conductive contaminants.
15. Maximum ambient temperature 40°C

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1.2 Storage Instruction
For extended storage in moderate climate, the batteries should be charged
for 12 hours every 3 months interval by connecting the UPS to the utility supply
and switch on input breaker located at UPS rear panel. Repeat this procedure
every 2 months if the storage ambient temperature is above 30 C.
2. Product Introduction
2.1 General Characteristics
True online technology continuously supplies your critical device with a
stable, regulated, transient-free pure sine wave AC Power.
1. High-efficiency PWM sine-wave topology yields an excellent overall
performance. The high crest factor of the inverter handles all high in-
rush current loads without the need to upgrade the power rating.
2. User-friendly Plug-and-Play design allows hassle-free installation. All
units up to 3Kva are supplied with input cables and output receptacles
as standard.
3. Built-in Maintenance-free sealed-type batteries.
4. To protect the unit from overloading, the UPS will automatically switch
to bypass mode in 30 seconds if loading is at 105%~ 120% of rated
capacity. It will automatically switch back to inverter mode once
overload condition ceases.
5. Should the output becomes short-circuited, the UPS will be locked
automatically, then provide visual & audible alarm and cuts the output
supply automatically till the short circuit situation is resolved manually.

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2.2 Special Features
1. High Frequency Transformer-less technology with rack/tower convertible
enclosure allows the UPS to be installed in the most difficult of
environments with space constraints.
2. This UPS is equipped with digital control logic for greater functionality
and enhanced high level power protection. Digital signal processing
(DSP) also provides the UPS with powerful communication capability,
which enhances the flexibility for easy remote control and monitoring
3. Wide input voltage tolerance from 60V ~ 144V (120V version) or
120V~288V (230V version) allows under-voltage or over-voltage
correction without unnecessary battery drain and helps extend the
battery life.
4. DC-start function allows start-up of the UPS during power outages.
5. Revolutionary battery management circuit analyzes battery discharging
status to adjust battery cut-off point and extend battery life.
6. Active Power Factor Correction (PFC) control function constantly
maintains the UPS Input Power Factor (PF) at > 0.99 for superb energy
efficiency.
7. Software Selectable Bypass input voltage tolerance (Sensitivity low/high)
to prevent under or over voltage being supplied to the load in Bypass
mode. The selectable Voltage ranges are (i) Sensitivity: Low:
90/180~130/260V & (ii) Sensitivity High: 97/194~130/260V.
8. Software Selectable Output Voltages (100/110/115/120/127V on 120V
models or 200/208/220/230/240) on 230V models to meet various
voltage systems.
9. The UPS is designed to comply with various stringent international
standards for Electromagnetic Interference & protection (EMC).

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3. UPS Functional Descriptions
3.1 UPS Front Panel Display Descriptions
3.1.1 LCD panel
LCD Display
Green LED steadily lights up to indicate that the Utility input voltage is within
the window (80Vac~144Vac, or 160Vac~288Vac); the LED flashes
flickeringly to indicate that the Utility input voltage is within the acceptable
window (60Vac~79Vac, or 120Vac~159Vac).
、Green LED lights up to indicate there is an output available at the
Programmable Outlet 1 & Programmable Outlet 2.
Amber LED lights up to indicate the Bypass Input is normal.
UPS Fault LED
UPS On/Alarm Silence
UPS OFF Switch

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Special functions log in/out
Go to next page
Go to previous page or change the setting of the UPS.
To confirm the change of UPS Setting
◎Manual Bypass：Press" ON-KEY ”and " Up-KEY" key simultaneously
for approx. 3 seconds to transfer from "Inverter to Bypass" (the bypass led
continuously “blinks“ and audio alarm will beep intermediately) or "Bypass to
Inverter", when the UPS is on Line Mode and the Bypass Voltage Window is
Normal.
3.1.2.1 Symbols on the LCD Display Panel
Item
Symbol
Description
1
LINE
Utility or Bypass Source
2
Battery Low
3
Battery Abnormal
4
UPS Overloading
5
Site Wiring Fault
6
UPS Working in Service Mode
7
OFF
UPS Shutoff
8
FAIL
UPS Abnormal Lock
9
UPS Flow Chart
10
4 Digits Measurement Display
11
Indicate the item desired to be measured
22
Er05
Battery Weak or Dead
23
Er06
Output Short Circuit
24
Er10
Inverter Over-current
25
Er11
UPS Overheat
26
Er12
UPS Output Overloading
27
Er**
Other Error Code

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3.2 Rear Panel Descriptions
120V
1KVA
10 8 7
1
2
3
546
2KVA
3KVA

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230V
1KVA
2KVA
3KVA
1. USB Port
2. RS232 Port
3. Emergency Power Off (EPO) Dry Contact Signal inputs
4. Communication Card Options Slot
5. External Battery Connector
6. AC power connection socket
7. AC Outlets
8. Two programmable outlets
9. Utility Input circuit breaker
10. Cooling Fans
11. Output circuit breaker for two outlets
12. Output circuit breaker for two programmable outlets

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3.3 Operating Modes & Voltage System Configurations
Download and open the “UPS Setting Tool” Software to see the screen as below
3.3.1 System Configuration Settings
1. System Voltage Selection：Select Input Voltage 110V or 220V
2. Voltage Configurations：Select UPS Output Voltage
200V/208V/220V/230V/240V or 100V/110V/115V/120V/127V
3. UPS Modes：Select Normal/CF50*/CF60* Mode
4. Output Voltage Fine Tuning：Output Voltage Regulation from 0～±3%

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5. Bypass Voltage Windows：Sensitivity: Select Sensitivity Low/Sensitivity
High**
Sensitivity Low
Sensitivity High
120V System
90V～130V
97V～130V
230V System
180V～260V
194V～260V
6. Syn-Frequency Window：Select 3Hz/1Hz Inverter Freq synchronizing
range
7. Com Port：Select the Com Port of PC
8. Click on “Write” to confirm the configuration settings. The UPS will beep
twice to acknowledge setting is successful.
9. Turn off the UPS and unplug input power cord from AC Power Utility
receptacle to shutdown whole unit without internal power supply existing,
after setting is complete. 3 seconds later reconnect input power cord into
AC Power Utility receptacle and turn on the UPS, referring to the section
4.4 Operation. The UPS will perform in new settings.
Note: *CF50/CF60 = Frequency Converter mode 50 to 60Hz or 60 to 50Hz. When
operating in CVCF mode the full load rating of the UPS is reduced to 75%
(1000va becomes 750va). Additionally, the AC low transfer point based
on load percentage is referred to the new power rating.
160Vac load rating is 66% ~ 100% (495va ~ 750va)
140Vac load rating is 33% ~ 66%
120Vac load rating is 0% ~ 33%
**Sensitivity Low：90/180~130/260V, High: 97/194~130/260V

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3.3.2 Software programmable outlet setting
The UPS is equipped with 2 programmable outlets for use to supply to less
critical loads. These outlets can be disabled to shed the less critical loads during
back-up modes or overload conditions to maintain quality power supply to the
more critical loads connected to the UPS.
Click on the “Programmable outlet setting” bar to enter to the setting screen as
shown below.

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1. Outlet Turn On After UPS On–select the time to automatically enable
this outlet within the specified time when the UPS is powered on. If “0”
sec is selected, the outlet will be enabled once the UPS is powered on.
2. Outlet Turn Off After AC Failure –select this option to automatically
disable the outlet within the specified time after utility outage to shed the
less critical loads to provide longer battery back-up time for the other
more critical loads connected to the UPS.
3. Outlet Turn On After AC Recovery –select this option to automatically
enable the outlet within the specified time after the utility is restored.
4. Outlet Turn Off When Battery Low - select this option to automatically
disable the outlet at the specified remaining battery power capacity(%)
during battery mode to shed the less critical loads to prolong battery
back-up time for the other more critical loads connected to the UPS.
5. Outlet Turn Off When UPS Overload –select this option to automatically
disable the outlet during overload condition (bypass mode) to possibly
allow the more critical loads:
a) To be continually supplied via Bypass without shut down
6. You have to select the "Setting" menu to configure new
parameters. The calibration is confirmed successfully after the UPS
beeps twice. Turn off the UPS and unplug input power cord from AC
Power Utility receptacle to shutdown whole unit without internal power
supply existing, after setting is complete. 3 seconds later reconnect input
power cord into AC Power Utility receptacle and turn on the UPS,
referring to the section 4.4 Operation. The UPS will perform in new
settings.
7. Manual Control Switch –Click “On” or “Off” to manually enabled or
disabled the programmable outlets, overriding all previous settings.

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3.4 Communication Port Explanation
The UPS is equipped with EPO dry contacts input, true RS232 & USB
Communication port as standard to provide communication with bundled UPS
monitoring software for remote monitoring of UPS status via PC.
There are 4 other optional interface cards available to meet various
communication needs, i.e. DCE (dry contact relay card) 、R2E、USE and
SNMP/WEB card (Please consult Chapter 8).
The bundled software of the UPS is compatible with many operating
systems such as Windows 98, & 2000, ME, NT, XP and Vista. For other
applications such as Novell, NetWare, Unix, Linux, please contact your local
dealer for suitable software.
All the communication ports (including optional cards) can be active & used
simultaneously to monitor the UPS status. However only 1 communication
interface at any one time with the highest priority has the ability to command &
control the UPS. The priority of these communication interfaces are as follow:
Highest Priority (in descending order),
1) EPO input port
2) Optional Interface card
3) USB
4) RS232
3.4.1 True RS232 Port Descriptions
The RS232 interface shall be set as follows：
Baud Rate
2400 bps
Data Length
8 bits
Stop Bit
1 bit
Parity
None

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The Pin Assignments of the true RS232 port are illustrated as follows：
5
4
3
2
1
9
8
7
6
3.4.2 USB Port Descriptions
The USB communication protocol definition as below:
1. Complies with USB version 1.0, 1.5Mbps
2. Complies with USB HID Version 1.0.
3. The Pin Assignments of the USB port:
3.4.3 EPO
The Pin assignments of the EPO Input port are:
1 EPO+
2 Ground
To enable the EPO function, please short Pin 1 & 2.
Pin 3: RS232 Rx
Pin 2: RS232 Tx
Pin 5: Ground
1 VCC (+5V)
2 D－
3 D＋
4 Ground
1
2

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4. Installation and Operation
Read the Safety Instruction guide (page 2 to 3) before installing the UPS
4.1 Unpacking
Inspect the UPS upon receipt. Staco has designed robust packaging for
your product. However, accidents and damage may occur during shipment.
Notify the forwarder and dealer if there is damage.
The packaging is recyclable; save it for reuse or dispose of it properly.
Remove the UPS from the carton box.
Check the package contents. Standard content shall includes：
1 set of User's Manual
2 pcs of IEC output cables (for UPS with IEC sockets only)
1 pc of detached AC Input Power Cord (for UPS with IEC
sockets only)
1 set of UPS communication software with RS232 cable
1 set of Tower/Rack Accessories Kit as below:

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4.2 Selecting Installation Position
The UPS is heavy. Select a location sturdy enough to handle the UPS
weight.
To ensure proper operation and long operating life, always position the UPS
according to the following requirement：
1. Keep minimum 20cm (8 inches) distance
clearance from the rear panel of the UPS
to avoid any obstructions.
2. Do not block the air-flow to the ventilation
louvers of the unit.
3. Please ensure the installation site is free
from excessive dust and the ambient
temperature and humidity should be
within the specified limits.
4. Do not place the UPS in a dusty or
corrosive environment or near any
flammable objects.
5. This UPS is not designed for outdoor use.
0%~90%
Relative humidity
(non condensation)

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4.3 Set up
Tower Configuration Setup
Step 1
Power Module + Battery Module
Step 1

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Rack-Mount Configuration Setup
Step 1
Step 2
Step 3