Qoltec 53950 User manual

USER MANUAL
UPS Line Interactive
MODEL: 53950, 53951, 53952
www.qoltec.com

1. Product introduction
UPS power supplies in this series provide comprehensive protection against overvoltages and voltage
spikes as well as against high power density. Thanks to the built-in voltage stabilizer, the UPS can
continue to work online and provide stable power when voltage fluctuations. The built-in microprocessor
driver ensures high reliability.
2. Product overview
Front view:
Back view:
①Output receptacles
②AC input
3. Installation and initial startup
Note: Before installation, please check if nothing inside the package is damaged.
Placement & storage conditions
Install the UPS in protected area without excessive dust and where is adequate air flow. Please place the
UPS away from other devices at least 20 cm to avoid interference. Do NOT operate the UPS where the
temperature and humidity it out of the specific limits.
Switch
UPS status LED
AC mode: green lighting
Battery mode: yellow flashing
Alarm mode: red lighting

Connection to utility power and charging
Plug in the AC input power cord to the wall outlet. For the best results, it is suggested to charge the
battery for at least 6 hours before initial use. The UPS charges its batteries while connecting to the utility.
Connect the loads
Plug in loads to output receptacles on the rear panel of the UPS, then connected devices are protected.
Caution: NEVER connect a laser printer or scanner to the UPS. This may cause damage of the device.
Turn on/off the UPS
Turn on the UPS by pressing the switch. Turn off the UPS by pressing the switch again.
Cold start function
When the UPS is off and there is no power utility, it’s still possible to cold start the UPS to power the loads.

4. Important safety warning
Caution! To prevent the risk of fire or electric shock, install UPS in the indoor area free of conductive
contaminants .
Caution! To reduce the risk of overheating the UPS, do not cover the UPS’ cooling vents and avoid
exposing the device to direct sunlight or installing the UPS near heat emitting appliances such as heaters
or furnaces.
Caution! Do not attach non-computer related items, such as medical equipment, life-support equipment,
microwave ovens or vacuum cleaners to UPS.
Caution! Do not plug the UPS input into its own output.
Caution! Do not allow liquids or any foreign object to enter the UPS. Do not place beverages or any other
liquid-containing vessels on or near the UPS.
Caution! In the event of any emergency, press the off button and disconnect the power cord from the AC
power supply to properly disable UPS.
Caution! Do not attach a power strip or surge suppressor to the UPS.
Caution! If the UPS is equipped with a metal housing, it is necessary to reduce the leakage current below
3.5mA for safety reasons during installation of the UPS.
Pay attention to the risk of electric shock. Disconnecting the device from the network can be just as
dangerous as there may still be voltage available through battery power. The battery supply should be
disconnected and isolated before maintenance or service work are made inside the UPS.
Caution! Servicing of batteries should be performed or supervised by personnel who have knowledge
about batteries and required precautions.
Caution! When replacing the batteries, use the same number and same type of batteries,
Caution! Internal battery voltage is 12V DC. Sealed, lead-acid, 6-cell battery.
Caution! Do not dispose batteries in fire. The battery may explode. Do not open or mutilate the battery.
Released electrolyte is harmful to the skin and eyes.
Caution! Do not use liquid or spray detergent to clean the UPS. Unplug the UPS before cleaning.
Caution! The battery may cause an electric shock and short circuit. Before replacing it, the following
precautions must be observed:
- Take off your watch, jewelry and other metal items.
- Use tools with insulated handles.
- Put on rubber gloves and shoes.
- Do not place tools or metal parts on the battery.
- Disconnect the charging source before connecting or disconnecting the battery terminals.

5. Troubleshooting
Problem
Probable cause
Solution
No LED/LCD display on the front panel
Low battery
Charge the UPS at least 6 hours
Battery fault
Replace the battery with the same type of battery
The UPS is not turned on
Press the switch again to turn on the UPS
Alarm sounds continuously when the
mains is normal
The UPS is overloaded
Remove some loads first. Before reconnecting
equipment, please verify if the load matches the UPS
capability specified in this user manual
When power fails backup time is shorten
The UPS is overloaded
Remove some critical load
Battery voltage is too low
Charge the UPS at least 6 hours
Battery defect. It might be due
to high temperature operation
environment or improper
operation to battery
Replace the battery with the same type of battery
The mains is normal but LED is flashing
Power cord is loose
Reconnect the power cord properly
6. Specifications
Model
400
600
800
1000B
Capacity
400VA/240W
600VA/360W
800VA/480W
1000VA/600W
UPS structure
Line-Interactive design
Protection functions
Overload, short-circuit, over temperature, utility voltage high/low, battery voltage high/low (shutdown
protection)
Overload
>110% alarm shutdown
Surge/short-circuit
protection
Input fuses protection (AC mode), circuit auto protection (battery mode)
Display
LED display, UPS operational status, battery fault, other fault information
Alarm
Utility power fault, battery low, overload, UPS fault
Mute
Auto
Input voltage range
140-290Vac
Input frequency range
50Hz ±10%
AVR
Intelligent auto AVR function
Output voltage
220Vac ± 10%

Output frequency
50Hz ±10%
AC-DC switching time
2-6 ms
Output wavefor
Modified sine wave (battery mode)
Battery type
Sealed lead-acid maintenance free battery
Battery voltage
12V/4Ah x 1
12V/7Ah x 1
12V/9Ah x 1
12V/7Ah x 2
Charging type
6 hours to 90%
Backup time (100W)
8min
20min
20min
30min
Size mm (W x H x D)
101 x 297 x 142
Weight
3.5 kg
4.2 kg
4.9 kg
8.0 kg
Humidity / temperature
0-95% / 0-40oC (non-condensing)
Noise level
Less than 40dB
Producer: ntec
Ul. Chorzowska 44B
44-100 Gliwice
Poland
www.qoltec.com