www.qoltec.com
USER MANUAL
UPS RACK
MODEL: 53940, 53942
Table of Contents
1. Introduction ...................................................................................................................................................................................... 3
1. 1 Description of Commonly Used Symbols ............................................................................................................... 3
1. 2 Safety Instructions ............................................................................................................................................................ 3
2. Product Description ............................................................................................................................................................................ 3
2. 1 System Type and Configuration.................................................................................................................................. 4
2. 2 The Appearance of the UPS .......................................................................................................................................... 4
2. 3 Operating Principle ............................................................................................................................................................ 5
3. Installation .............................................................................................................................................................................................. 5
3. 1 Unpacking Inspection ....................................................................................................................................................... 5
3. 2 Installation Notes............................................................................................................................................................... 5
3. 3 Cable Connection ............................................................................................................................................................... 6
4. Operation ................................................................................................................................................................................................. 8
4. 1 Operation Display Panel ................................................................................................................................................. 8
4. 2 Operation Mode .............................................................................................................................................................. 11
4. 3 Operating Instructions .................................................................................................................................................. 14
5. Maintenance ....................................................................................................................................................................................... 15
5. 1 Battery Maintenance .................................................................................................................................................... 15
5. 2 Checking UPS function ................................................................................................................................................. 15
6. Troubleshooting ................................................................................................................................................................................ 16
7. Specifications ...................................................................................................................................................................................... 17
7. 1 Electrical .............................................................................................................................................................................. 17
7. 2 Mechanical ......................................................................................................................................................................... 18
7. 3 Environmental .................................................................................................................................................................. 18
7. 4 EMC ....................................................................................................................................................................................... 18
7. 5 Safety ................................................................................................................................................................................... 18
1. Introduction
1. 1 Description of Commonly Used Symbols
Some or all of the following symbols may be used in this manual and may
appear in your application process. Therefore, all users should read the form carefully and thoroughly.
1. 2 Safety Instructions
1. Read this manual carefully and thoroughly before operation the UPS and save this manual properly for
future reference.
2. Do not tear up or shatter the alarm table on the UPS and pay attention to it.
3. Please do not overload the UPS.
4. The UPS contains large capacity batteries. The case of the UPS must not be opened by untrained personnel.
Otherwise, it may cause electric shock.
5. Do not short the positive and negative electrodes of battery. Otherwise, it may cause electric shock or fire.
6. Do not plunge or insert any objects into the air vents and other inlets.
7. Do not store or use the device in the following environment:
Where there is inflammable gas, corrosive agents or heavy dust.
Where the temperature is very high or low (above 40℃ or below 0℃) or the humidity is very high (more than
90%).
Under direct sunlight or close to heating facilities.
Place of strong vibrations.
8. In the event of fire occurring in the vicinity, please use dry powder fire extinguishers .The use of liquid fire
extinguishing agents may cause electric shock.
2. Product Description
The UPS is an on-line uninterruptible power supply device incorporating double-converter technology with
single-phase input and single-phase output. It offers the high quality power supply with the greatest degree of
availability and reliability. The 1-3kVA of UPS is compact and convenient for users, especially for the basic
equipment in some areas such as: finance, communication, government, traffic, manufacture, education and
so on.
Symbol & Description
Symbol Description
Caution, danger
Danger electric shock
Alternating current (AC)
Direct current (DC)
Protective ground
Recycle
Do not dispose with ordinary trash
2. 1 System Type and Configuration
There are two types of UPS according to the battery configuration: standard type and long backup time type,
each available in the following ratings: 1kVA, 2kVA and 3kVA UPS.
Table 2-1 UPS types and configurations
Type Model Remark
Standard
1K
With a 1A internal charger and 3(or 2) build-in
batteries of 12V/ 7AH.
2K
With a 1A internal charger and 6(or 8) build-in
batteries of 12V/ 7AH.
3K
With a 1A internal charger and 8(or 6) build-in
batteries of 12V/ 7AH.
Long Backup
Time
1KS/1KL With a 6.5A internal charger and external battery slot.
2KS/2KL With a 5.5A internal charger and external battery slot.
3KS/3KL With a 5.5A internal charger and external battery slot.
Note: “S/L” model means Long Backup Time.
2. 2 The Appearance of the UPS
Figure 2-1 The rear panel of 1K(S/L)/2KS/2KL/3KS/3KL
Figure 2-2 The rear panel of 2K/3K
* The picture for back panel is just for reference, it subjects to change on customer’s requirement, please refer
to the real subject.
2. 3 Operating Principle
Figure 2-3 The UPS operating principle
1. Input filter: it filters the input and provides clean AC power to the UPS.
2. AC/DC converter: In Normal mode, it converts the AC input power to regulated DC power, and raises the
regulated DC voltage for DC/AC converter.
3. DC/DC converter: Raises the DC Voltage from the battery system to the optimum operating voltage for the
inverter when the UPS operates in Battery mode.
4. DC/AC inverter: In Normal mode, it utilizes the DC output of the AC/DC converter and inverts it into precise,
regulated sine wave AC power. In Battery mode, it receives energy from the battery through the DC/DC
converter.
5. Bypass: It is very important in the UPS system. In the event of a UPS fault that will not lead to UPS
shutdown, the load will be automatically transferred to the bypass. Meanwhile, the LED indicators will
indicate the fault type, and the fault information will be reported through the communication ports.
6. Charger: The charger of standard UPS provides 1A charging current; and long backup time provided 1K is
6.5A and 2K/3K is 5.5A charging current.
7. Battery: Sealed maintenance-free lead –acid battery can be used as the DC source of the UPS.
8. Output filter: It filters the output and provides clean AC power to the load.
3. Installation
3. 1 Unpacking Inspection
1. Open the packing box of UPS and take it out, visually examine the unit for transit damage.
2. Check against the accessory lists that the accessories of the UPS are present. (Refer to Table 8-1).
3. Make sure the model is what you wanted from the nameplate on the rear panel.
4. If the UPS arrives damaged, or there is any missing accessory or other question above, please contact the
distributor immediately.
3. 2 Installation Notes
1. When locating the UPS, make sure there is no hazardous objects such as water, inflammable gas, corrosive
agents and so on around the UPS, and that the installation environment meets the specifications.
2. The UPS should not be placed on a side. The air inlet port at the front panel and the outlet port on the rear
panel and two side panels should not be blocked so as to ensure good ventilation.
3. In case if the UPS is unpacked, installed and used at very low temperatures, condensations of water drops
may appear. It is necessary to wait until the UPS fully dried inside out before proceeding to installation and use.
Otherwise, they may be a risk of electric shock.
4. Place the UPS near the utility power source outlet which supplies power to the UPS. In any emergency,
switch off the main input socket, cut off the battery voltage input. All power sockets must be connected with
ground protection.
3. 3 Cable Connection
3.3.1 Connecting Input and Output Cables
1. Input cable connection: If the UPS is connected via the power cable, please use a proper socket with over
current protection, and pay attention to the capacity of the socket: over 10A for 1K(S/L), over 16A for 2K(S/L)
and 3K(S/L). A side of input wiring has been fixed with the UPS, and the other side is just need to plug into the
input socket. The wiring configuration is shown in the following diagram.
Figure 3-1 Connection method of input
2. Output cable connection: The output of 1K(S/L)/ 2K(S/L)/ 3K(S/L) all available to uses sockets. The total
output power shall not exceed 1kVA/0.8kW, 2kVA/1.6 kW, 3kVA/2.4 kW. Simply plug the load power cable to
the output sockets of UPS to complete connection as shown in the following diagram.
Figure 3-2 Connection method of output
3.3.2 Operation Procedure of External Battery.
The battery connection procedure is very important. Any incompliance may result in the risk of electric shock.
Therefore, the following steps must be strictly complied with.
1. First connect in series the batteries of the pack to ensure proper battery voltage that 1KS/1KL for 36VDC (or
24VDC), 2KS/2KL for 72VDC (or 96VDC), 3KS/3KL for 96VDC (or 72VDC).
2. Take out the battery cable delivered with the UPS, one end of the external battery cable is a plug for
connecting the UPS, the other end has 3 open wires for connecting the battery pack.
3. Connect the external battery cable to the battery terminal (DO NOT connect the battery socket of the UPS
first. Otherwise, it may cause electric shock). Connect the red wire to the “+” terminal of the battery. The black
wire is connected to the “-” terminal of the battery. The green/yellow wire is grounded for protection purpose.
4. Connect the plug of the external battery cable to the external battery slot on the rear panel of the UPS to
complete the connection procedure.
Figure 3-3 Battery connection diagram for long backup time models
Note: The length of the external battery cable is 1.6 m, If users need a longer one, please consult the distributor. There
is a limit to the length of the external battery cable to ensure normal operation of the UPS.
3.3.3 Connecting Communication Cable
1. Computer interface
Computer interface: The type of signals is provided by the UPS to communicate with a host computer through
communication cable included in the standard accessory, User can use special monitor
software in the standard accessory to monitor the UPS through the port.
2. Alternative connection of communication
Intelligent Slot: It is designed for installing the dry contact card, SNMP card and 485 card. You can choose for
one of them to installed.
a－dry contact card: You can utilize monitor function of dry contact to manage the power supply directly.
b－SNMP: It enables you monitor the UPS remotely through Internet.
c－485: Central monitor card.
Note: Please remove the cover board of the intelligent slot before any card is installed.
3.3.4 Description of communication interface
1) The standard RS232 port is applicable to communicate with computer.
Description and pin assignment of RS232:
Baud rate: 2400bps
Data bit: 8 bit
Ending bit: 1bit
Parity bit: None
DB-9 pin assignment:
RS232 Interface
Pin number Function description I/O
3 Rxd Input
2 Txd Output
5 GND Ground
2) USB introduction
Male Female
USB pin definition:
Pin Function Color Note
1 V Bus Red 5V
2 Data - White Data 3 Data + Green Data +
4 GND Black Ground
Note: When RS232 and USB are provided, only one of them will be chosen and RS232 is preferred.
3) User enables to monitor and manage the UPS through installed the AS400 card (optional).
PIN1: UPS failure (normally open, active close)
PIN2: Summary alarm
PIN3: Ground
PIN4: Remote shutdown
PIN5: Common
PIN6: Bypass active (relay close)
PIN7: Low battery
PIN8: UPS on (relay close)
PIN9: Utility Power failure (normally open, active close)
4. Operation
4. 1 Operation Display Panel
4.1.1 LED indicators
The LED indicators contains, Bypass indicator, utility power indicator, Inverter indicator, Battery indicator. The
definition of each indicator is the same as LED panel.
4.1.2 BUTTON
1. ON button:
Pressing the ON button more than 1 second (buzzer beeps once), the UPS system is turned on.
2. OFF button:
By pressing this button more than 1 second (buzzer beeps once) turns off the UPS system whenever the UPS
run under the normal mode/battery mode.
3. Function button:
The Function button provides the following functions:
a) Battery self- diagnosis: When the UPS ran in normal mode, pressing this button more than 2 seconds
(buzzer beeps twice) can start the battery self-diagnosis.
b) Silence function in battery/bypass mode
In battery/bypass mode, when the buzzer beeps, pressing and holding the function button for more than 2
seconds (buzzer beeps two times) can silence the buzzer. Press the button for more than 2 seconds (buzzer
beeps twice) again to resume the alarm function.
c) LCD display screen switch
Pressing the function button for more than 1 seconds and less than 2 seconds (buzzer beeps once) to
switch LCD display screen.
4.ON+Function button:
Press and hold this key for more than 2 seconds to rotate LCD in any mode.
5.OFF+Function button:
Press and hold this key for more than 2 seconds, you can Setting the output voltage and frequency,
Operating by the follow steps:
1) Connect the mains input to the UPS, and make the UPS works in standby mode or bypass mode.
2) Press the 'F' and 'OFF' button more than one second, then release, the buzzer will beep once, the "OUTPUT"
is flashing, which means all of bottom are used for UPS setting, at this point, if the "VAC" is flashing, which
means the output voltage is set to enable; if the "Hz" is flashing, which means the frequency is set to
enable, the LCD screen indicator represents current output voltage and frequency setting value.
3) If you need to set the voltage, check the voltage setting is enabled ("VAC" is flashing), If not, press the 'F'
more than one second, then release, the output setting is enabled, at this point you can start to set output
voltage.
4) Release the 'OFF' key after you press it more than one second, LCD display the selected output voltage in
turn.
5) Repeat the fourth step until the LCD indicator meets the required voltage.
6) Press 'ON' key about one second, the output voltage setting completed.
7) The frequency setting is the same as the voltage setting, but before the setting, please confirm the
frequency setting is enabled, if not, press 'F' key about one second in order to switch to the frequency
setting screen ("Hz" is flashing).
8) When done, Press the 'F' and 'OFF' button more than one second, then release, the buzzer will beep once,
exit the setting mode.
In the setting process, if no key is detected within twenty second, the UPS exits the setting screen
automatically.
4.1.3.LCD display functions
When UPS is tower-mounted, the LCD displays as following Fig A. Press and hold the ON+Function key for
more than 1 second, the display will begin to rotate which matches with the rack-mounted configuration. LCD
displays as following Fig.B.
(A) Tower-mounted placement
(B)Rack-mounted placement
NOTE: Press and hold the ON+Function key for more than 1 seconds, Fig.A and Fig.B will transfer to each
other.
LCD display comprises numerical value section, capacity graphics section, fan-status graphics section and
charger-status graphics section.
Numerical value section - display the corresponding numerical value of inquiring items (output, load,
temperature, input, battery), for example, as the graphics shows above, the output voltage is 220V, the output
frequency is 50Hz.
Capacity graphics section - display the capacity of the battery and load. Every pane represents 20%capacity. As
graphics showed above, the capacity of the battery is 80% - 100% (5 panes), the load reaches 40% - 60% (3
panes). When UPS is overload, the icon will flash, when capacity of battery is too low 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 and alarm.
Charger-status graphics section - display the status of the charger. When charger works normally, the
corresponding icon will vary dynamically and orderly, just as Graphics (1);
(1)
When charger works abnormally, the icon will flash in a whole, as Graphics (2):
(2)
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). For example, there are five panes in Fig.A, (as the right picture of the
Graphics (3) shows), so the corresponding number of icons is five rows (as the left picture of the Graphics (3)
shows), followed by this rule,
(3)
4. 2 Operation Mode
UPS Operation Mode contains normal mode, battery mode and bypass mode. Under the three modes, the
page showing output voltage and output frequency is the main display page. If users need more information
about UPS, Pressing the function button can initiate display screen switch. If the current page is not the main
page, UPS will automatically switch back the main page after 30 seconds. In order to extend the LCD usage
life, the backlight will turn off after 1 minute without any switch operation. At this point, Users just need to
touch any button briefly to turn on the backlight.
4.2.1 Normal mode
When operating in the normal mode, the display of main page on the front panel is shown as the figure 4-2.
The utility power indicator and the Inverter indicator are turned on. Load information area shows load value,
and the battery level area indicates dynamically when the battery is not fully charged (the battery level icons lit
one after another circularly). When the battery is fully charged, all the level icons are turned on.
1) If the utility power indicator blinks, it indicates that there are problems with reversed polarity (L, N) of site
wiring or disconnect with ground. UPS is still working in normal mode. If the battery indicator is turned on at
the same time, it shows that the voltage or frequency of the utility power is out of the normal input range of
the UPS. The UPS works in battery mode.
Figure 4-2 Normal Mode
2) If load is more than 100 percent, the buzzer beeps every second, meanwhile, the warning icon blinks every
second too, reminding that UPS is overloaded. You should get rid of some unnecessary loads one by one to
decrease the loads until the alarm clear.
3) If the battery indicator blinks, it indicates that no battery is connected to the UPS or battery voltage is too
low. You should check if battery is properly connected to the UPS, and press function button more than 2
seconds to start the battery self-diagnosis. If the connection between battery and UPS is confirmed without
any problem, it may be due to the defect or aging of the battery, please refer to the “troubleshooting” in
chapter 7 to solve the problem accordingly.
4) The other four display pages are load percent page, actual load page, input information page and the
maximum temperature page.
Note: Connection to the power generator should be made according to the following steps:
Activate the power generator and wait until the operation is stable before connecting the output of the power
generator to the UPS (be sure that the UPS is in idle mode). Then, turn on the UPS according to the startup
procedure. After the UPS is turned on, the loads are connected one by one.
It recommended that the capacity of the AC generator chosen should double that of the UPS.
4.2.2 Battery Mode
When operating in the battery mode, the display of main page on the front panel is shown as the figure 4-3.
The battery indicator and the Inverter indicator are turned on. If the utility power indicator blinks at the same
time, it shows that the utility power is abnormal. Load information area shows load value, and bat level area
shows current battery capacity.
1) When the UPS is running in battery mode, the alarm will beep every 4 seconds. If the “Function” key is
pressed for more than 2 seconds, the alarm will not beep (silence function). Press the “Function” key more
than 2 seconds again to resume the alarm function.
Figure 4-3 Battery Mode
2) When the battery capacity decreases, the number of battery capacity indicators turned on will decrease. If
the battery voltage drops to the pre-alarm level, the alarm will beep every second to remind the user of
insufficient battery capacity.
3) The other four display pages are load percent page, actual load page, battery information page and the
maximum temperature page.
4.2.3 Bypass Mode
When operating in bypass mode set up through software, the display on the front panel is shown as the figure
4-4, the utility power indicator and the bypass indicator are turned on. Load information area shows load
value, and the battery level area indicates dynamically when the battery is not fully charged (the battery level
icons lit one after another circularly). When the battery is fully charged, all the level icons are turned on.
1) When operating in bypass mode, the UPS beeps every 2 minutes. If the “Function” key is pressed for more
than 2 seconds, the alarm will not beep (silence function). Press the “Function” key more than 2 seconds
again to resume the alarm function.
2) If the utility power indicator blinks, it shows that the voltage or frequency of the utility power is out of the
input range of the UPS or there are problems with reversed polarity (L/N) of site wiring or disconnect to the
ground for protection.
3) The other four display pages are load percent page, actual load page, input information page and the
maximum temperature page.
Notes: When operating in bypass mode, the backup function of the UPS is not available and the power used by the
load is directly from the utility power via internal EMI filter.
Figure 4-4 Bypass Mode
4.2.4 LCD indication of UPS alarm status and faults
In the event of an UPS fault, UPS enters fault operation mode, at this point, the fault icon turns on
consistently, the buzzer beeps continuously and the data information area shows current fault code (refer to
table 4-2), the display on the front panel is shown as the figure 4-5, users can switch to output page by
pressing function button.
Figure 4-5 Fault display
When a warning occurred, the fault icon blinks every second, and users can switch to the alarm display page
shown as the figure 4-6 to check the warning code.
Figure 4-6 Alarm display
4. 3 Operating Instructions
4.3.1 UPS ON/OFF Operation
Note: The battery is fully charged before delivery. However, storage and transportation will inevitably cause some
charge loss. Therefore, it is advisable to charge the battery for 10 hours before using it, so as to ensure
adequate battery capacity.
1. Turning on the UPS
The operation of turning on the UPS contains: turning on with utility power and turning on without utility
power.
1) Turning on with utility power:
Connect the mains input to the UPS, press the ON button more than one second, UPS starts to turn on. At
this point, the LCD begins to conduct self-diagnosis (all the LCD indicators are turn on about 4 seconds). A
few seconds later, the UPS will begin to operate in Normal mode; meanwhile, the utility power indicator,
inverter indicators will turn on. If the utility power is abnormal, the UPS will work in battery mode.
2) Turning on without utility power:
With no mains input feed to the UPS, press the ON button more than one second, UPS start to turn on, At
this point, the LCD begins to conduct self-diagnosis (all the LCD indicators are turn on about 4 seconds). A
few seconds later, the battery indicator, inverter indicators will be turn on to indicate that the UPS is working
in battery mode.
2. Powering down the UPS
The operation of powering down the UPS contains: turning off UPS in normal mode, turning off UPS in battery
mode.
1) Completely power down the UPS from Normal mode
Hold and press the OFF button persistently for more than 1 second to power off the UPS. If it bas been set
up to work in bypass mode by software, the bypass indicator will be turned on to indicate that the UPS is
working in bypass mode. In order to cut off the output from the UPS, simply cut off the utility power supply.
LCD begins to conduct self-diagnosis (all the LCD indicators are turned on about 4 seconds), a few seconds
later, not any display is shown on the front panel and no output is available from the UPS outlets, system
completely power down.
2) Completely power down the UPS from Battery mode
Press the “OFF” button persistently for more than 1 second to power off the UPS. When being powered off,
the LCD will start self-diagnosis (all the LCD indicators are turn on about 4 seconds), a few seconds later,
not any display is shown on the front panel and no voltage output is available from the UPS outlets, system
completely power down.
4.3.2 Conducting Battery self-diagnosis
In UPS operation, users can manually initiate battery self-diagnosis to check the battery conditions. There are
two methods to initiate the battery self-diagnosis:
1. Through the function button
In normal mode, press and hold the function for more than 2 seconds until the buzzer beeps twice. At this
point the indicators (LED7~10) will blink cyclically, indicating the UPS has worked in battery mode and the
battery self-diagnosis has started. The battery self-diagnosis will last for 10 seconds default. In the event of
a battery fault during battery self-diagnosis, the UPS will transfer to normal mode automatically.
2. Through the monitor software
Users can also initiate battery self-diagnosis through the background monitoring software.
5. Maintenance
5. 1 Battery Maintenance
The battery is key component of the UPS. The battery life depends on the ambient temperature, charging and
discharging times. High ambient temperature and deep discharging will shorten the battery life.
1. Sealed maintenance-free lead –acid battery be used in the standard. When being connected to the utility
power whether the UPS has been turned on or not, the UPS keeps charging the battery and also offers the
protective function of charging and discharging.
2. Keep the ambient temperature between 15℃ and 25℃.
3. If the UPS has not been used for a long period, charging is recommended at the intervals 3 months.
4. Batteries should not be replaced individually.
5. Under normal conditions, the battery life lasts 3 to 5 years. In case if the battery is found not in good
condition, earlier replacement should be made. The battery should only be replaced by qualified service
personnel.
Note: 1.Prior to battery replacement, the UPS must be turned off and disconnected from utility power.
2. Metal objects such as rings and watches should be removed.
3. Use the screwdriver with insulated handle. Tools and other metal objects should not be placed on the
battery.
4. Short circuit or reverse connection between the positive and negative terminal of the battery is strictly
forbidden.
5. 2 Checking UPS function
Every time when conducting field maintenance, please check the regular function of the UPS, including:
1. Check the operation status of the UPS
If the main voltage is within the specifications, the UPS should operate in normal mode; if the main voltage
is abnormal, the UPS should operate in battery mode. In both cases, there should be no fault indication.
2. Check the transfer between the UPS operation modes
Disconnect the main input to simulate a mains failure, the UPS should transfer to battery mode and operate
normally; then recover the mains input, the UPS should transfer to normal mode and operate normally.
3. Check the LED indicators of the UPS
During the check processes stated above, check that the LED indication of the UPS agrees with the UPS
operation mode.
6. Troubleshooting
In the event of an UPS fault, shoot the trouble according to Table 6-1. If the fault still persists, please contact
our customer service center.
Faults Possible
cause
Solution
Fault/Warning code
Fault icon
Alarm
F01
On
constantly
Beep
continuously
Internal fault.
Please contact the distributor or Service center.
F02
On
constantly
Beep
continuously
Internal fault.
Please contact the distributor or Service center.
F03
On
constantly
Beep
continuously
Internal fault.
Please contact the distributor or Service center.
F04
On
constantly
Beep
continuously
The UPS
output is
short circuited
Turn off the UPS. Remove all loads. Ensure that the loads are not failed
or the UPS has no internal short before turn on it again. If failed, please
contact the distribut
or or service center.
F05
On
constantly
Beep
continuously
Internal fault.
Please contact the distributor or Service center.
F06
On
constantly
Beep
continuously
Internal fault.
Please contact the distributor or Service center.
F07
On
constantly
Beep
cont
inuously
Overload fault
Reduce the member of loads connected to the UPS.
F08
On
constantly
Beep
continuously
Internal
overheat
Ensure that the UPS is not overloaded and the ventilation opening is
not blocked and ambient temperature is not too high. Wait for 10
minutes for the UPS to cool down before turning it on again. If it does
not work. Please contact the distributor or service center.
F09
On
constantly
Beep
continuously
The charger of
the UPS is
defective
Please contact the distributor or Service center.
F11
On
constantly
Beep
continuously
EPO fault After confirm the equipment safety, reset EPO.
Faults
Possible cause
Solution
Fault/Warning code
Fault icon
Alarm
A01
Blink once
every second
Beep once
every second
Overload pre
-
warning
Reduce the member of loads connected to the UPS.
A02
Blink once
every second
Beep once
every second
Battery voltage low
The UPS output will be cut off, please switch to the backup
power.
A03
Blink once
every second
Beep once
every second
UPS power on
abnormal
Check the battery of the UPS connected properly.
A04
Blink once
every second
Beep
continuously
Battery
overcharging
Please contact the distributor or Service center.
A05
Blink once
every second
Beep once
every second
Fan failure Ensure that the fan is not locked.
A06
Blink once
every second
Beep once
every two
minutes
Maybe reversed
polarity (L, N) of site
wiring (make sure
the ground connect
right). Or the
voltage between
neutral wiring to
protective ground is
to high
Please check the polarity of the neutral wiring and the line
wiring, ensure that The green/yellow wire connect protective
ground properly, or make sure the voltage between neutral
wiring to protective ground is less than 36VAC.
Table 6-1 UPS troubleshooting of LCD panel indicator
When you contact the service center, please provide the following information:
● Model No and Serial No of the UPS.
● The date when the problem arose.
● Complete description of the problem, including the panel display, alarm warning, and power condition and
the load capacity. If the UPS is a long backup time model, you may also provide the battery information.
7. Specifications
7. 1 Electrical
Model 1K 1KS/1KL 2K 2KS/2KL 3K 3KS/3KL
Rating
1KVA/800W
2KVA/1600W
3KVA/2400W
Input
Input system Single phase & earth ground
Voltage range (90±5)VAC~(300±5)VAC
Power factor ≥0.99
Voltage range of
bypass
(80±5)VAC~ (286±5)VAC (default: 80VAC~264VAC Could be adjusted by
software)
Output
Output system
Single phase & earth ground
Rated voltage 220VAC
①
Power factor
0.8
Voltage
precision
±2%
Output
freque
ncy
Normal
mod
e
1. The output frequency synchronizes with the input frequency when the input
frequency is in the range of 46 Hz~ 54 Hz.
2. The output frequency is 50Hz when the input frequency is not in the range
of 46 Hz~ 54 Hz.
3. Can be set as 60Hz.
Battery
mode
Inverter
overload
capacity (Utility
power, 25
℃
)
105% ± 5% < Load ≤ 125% ± 5% 50s transfer to bypass
125% ± 5% < Load < 150% ± 5% 25s transfer to bypass
Load > 150% ± 5%, 300ms transfer to bypass
Transfer time
0ms (Normal mode
←→
Battery mode)
<4ms (Normal mode ←→ Bypass mode)
Crest factor
3:1
Battery
Batteries
voltage
36VDC/24VDC 72VDC/96VDC 96VDC/72VDC
Battery
Quantity
3/2 None 6/8 None 8/6 None
Battery Type
Sealed maintenance
-
free lead
–
acid battery of battery voltage 12V/7AH
Backup Time
(25℃)
Full load≥5min (Standard)
Charge current
1A 6.5A 1A 5.5A 1A 5.5A
Note: Output voltage can be set: 200V/208V/220V/230V/240V.
7. 2 Mechanical
Model
L*W*H (mm)
Weight (kg)
1K(36VDC)/1K(24VDC)
482x450x88
13.7kg
1KS/1KL 482x450x88 7.2kg
2K 482x665x132
28kg
2KS/2KL 482x450x88 9.7kg
3K 482x
665x132
32.5kg
3KS/3KL
482x450x88
9.7kg
7. 3 Environmental
Item Normal range
Ambient temperature
0℃
~ 40℃
Environment humidity
20%~ 90% (No condensation)
Altitude
Lower than 1000m: no derating
Over 1000m: 1% derating for every 100m rise
Storage temperature
-15℃~ 45℃
7. 4 EMC
Item Standard
Level
ESD IEC61000
-4-
2 LEVEL4
RS IEC61000
-4-
3 LEVEL3
EFT IEC61000
-4-
4 LEVEL4
Surge
IEC61000
-4-
5 LEVEL4
7. 5 Safety
nTec declares this device complies with the Directives as listed in this document: EMC
2004/108/WE, LVD 2006/95/WE
Producer: nTec
Ul. Chorzowska 44B
44-100 Gliwice
Poland
www.qoltec.com
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