51932, 51939 Pure Sine Wave Monolight Voltage Converter

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Product Information

Specifications

• Brand: Qoltec
• Model: 51932 – 51939
• Type: Voltage Converter Pure Sine Wave
• Language: English (EN)

Product Usage Instructions

Introduction

Thank you for choosing our inverter. This manual will guide you
through the installation and safe operation of the product.

Safety Instructions

It is crucial to follow these safety instructions to ensure safe
operation of the inverter:

1. Do not expose the inverter to adverse conditions during
   installation.

2. Avoid installing the inverter in areas exposed to fire or
   electric shock.

3. Avoid inserting small metal objects into the product.

4. Keep the inverter away from water.

5. Children should not use the product to prevent injury and
   electric shock.

Connection of Device and Wires

Follow these steps to connect the inverter to the battery and
external devices:

1. Connect the positive (+) lead of the inverter to the positive
   terminal of the battery.

2. Connect the negative (-) lead of the inverter to the negative
   battery terminal.

3. Connect external devices ensuring compatibility with inverter
   output voltage and current rating.

4. Check polarity before connecting devices to avoid damage.

Installation and Security

Ensure proper installation and security measures for optimal
performance:

1. Mount the inverter in a dry, ventilated location to prevent
   overheating.

2. Secure all connections to avoid short circuits.

3. Test the inverter after connecting all devices to ensure proper
   functionality.

4. Monitor operation to ensure devices are working as
   expected.

Frequently Asked Questions (FAQ)

Q: Can children use this product?

A: Children are prohibited from using this product to avoid
injury and electric shock.

Q: What should I do if the inverter is exposed to water?

A: If the inverter comes into contact with water, disconnect it
immediately and do not use it until it is completely dry and
checked for safety.

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Qoltec
INSTRUCTION MANUAL
MONOLITH VOLTAGE CONVERTER PURE SINE WAVE EN
Model : 51932 – 51939
INTRODUCTION

Thank you for your trust and for choosing our inverter. We are confident that the product will meet your expectations. This manual contains instructions for the installation and use of the product, including important safety instructions for correct operation and installation. If you have any questions after reading this manual, please contact our Customer Service Department.
INFORMATION ABOUT THIS MANUAL
This manual describes, installation, operation and troubleshooting of this appliance. Please read all the information in it carefully before installing and operating the unit.
SAFETY INSTRUCTIONS
Warning! Please read the safety instructions when assembling and using the inverter.
1. To reduce the risk of danger, do not expose the inverter to adverse conditions during installation, such as rain, snow, frost, fog, greasy dirt and heavy dust. Do not install the inverter in a closed room and do not cover or block the ventilation openings.
2. The inverter should not be installed in areas exposed to fire, electric shock, the presence of cables that do not comply with standard specifications.
3. As the unit contains components susceptible to arcing, it must not be installed in flammable or explosive environments.
4. If the electrolyte comes into contact with your skin or clothing when connecting the battery, wash immediately with clean soapy water. If the acidic substance gets into your eyes, flush them with clean water for at least 20 minutes and go to hospital for consultation as soon as possible.
5. Do not place metal tools on the battery as this may damage the battery or inverter components due to sparking caused by a short circuit.
6. It is forbidden to insert small metal objects such as iron needles and iron pins into the product. Keep the device away from water.
7. Children are prohibited from using this product and it is not permissible to touch the terminals, output socket fan, etc. with their fingers to avoid injury and electric shock.
CONNECTION OF DEVICE AND WIRES
1. Connect the inverter to the battery: (Annex Illustration 1)

a) Connect the positive (“+”) lead of the inverter to the positive terminal of the battery.
b) Connect the negative (“-“) lead of the inverter to the negative battery terminal.
2. Connection of external devices : (Annex Illustration 2) a) Ensure that the output voltage of the inverter is compatible with the requirements of the external equipment. b) Ensure that the inverter has the correct current rating to power all appliances simultaneously. c) Connect the device cables to the appropriate inverter outputs. d) Re-check the polarity to avoid damage to the equipment.
3. Installation and installation security: a) Ensure that the inverter is mounted in a dry, ventilated location to avoid overheating. b) Ensure that all connections are stable and well secured to avoid short circuits. c) Once all devices are connected, switch on the inverter and check that everything is working correctly. d) Monitor the operation of the inverter and equipment for a while to ensure that nothing is overheating and working as expected.
CAUTION ! Remember safety and always disconnect the inverter from the battery before making any changes to the wiring.
PRODUCT CHARACTERISTICS AND USE
Features 1. Pure sine wave and modified sine wave 2. High efficiency, low weight 3. LED indicates load status 4. Fully automatic cooling fan control (load) 5. Microprocessor-based design 6. Soft start, effective maintenance of battery life 7. Low voltage / overload / short circuit / over voltage / over temperature alarm system 8. The casing is designed from high-quality, shock- and impactresistant aluminium. 9. The product is equipped with a range of security features that guarantee full protection for connected devices.
Application

1. Power tools: electric saw, drill, grinder, sandblaster, punching machine, weeding machine, air compressor, etc.
2. Office equipment: computers, printers, monitors, copiers, scanners, etc.
3. Household appliances: hoovers, electric fans, fluorescent lamps, light bulbs, electric cutting knives, sewing machines, etc.
4. Kitchen appliances: microwave ovens, refrigerators, freezers, coffee machines, blenders, ice machines, ovens, etc.
5. Industrial equipment: metal halide lamps, high-pressure lamps, ship cutting, solar energy, wind power generation, etc.
6. Electronic equipment: Televisions, games consoles, radios, power amplifiers, music equipment, monitoring equipment, server, satellite communication equipment, etc.
INSTRUCTIONS FOR USE
Warning! High voltage is present inside the product. Persons without specialist knowledge are strictly forbidden to dismantle or modify it without authorisation, and the company is not liable for any infringements. Follow the instructions below.
1. Battery selection: Use lead-acid batteries with an input voltage of 12V/24V. For a 12V/300W inverter, select a battery capacity above 30Ah. For a 12V/1000W inverter, select a capacity above 100Ah, etc.
2. Connect switched-off devices to the inverter: make sure that the charging power is within the inverter’s power range, the power of the connected device must not exceed the maximum power of the inverter after start-up.
3. Low voltage protection: When the battery voltage is too low, the indicator will sound an alarm, indicating that the DC supply voltage has been reduced and the battery needs to be recharged. For example: when the input voltage of the 12V inverter is lower than 10V+0.5V, or when the input voltage of the 24V inverter is lower than 20V+0.5V. The AC output will first alarm and then switch off and the indicator will light red.
4. Over-voltage protection : when the battery voltage is too high, an alarm will sound, indicating that the DC input voltage is too high and the battery should be discharged as soon as possible. For a 12 V inverter, when the input voltage reaches 15 V ± 0.5 V; for a 24 V inverter, when the input voltage reaches 30 V + 0.5 V, the lamp will light red and the AC output device will be switched off at the same time.

TECHNICAL SPECIFICATIONS

Model

5193 5193 5193 5193 5193 5193 5193 5193

2

3

4

5

6

7

8

9

Rated power 300W 600W 1000 2000 300 600W 1000 2000

W

W

W

W

W

Peak power

600W 1200 2000 4000 600 1200 2000 4000

W

W

W

WW

W

W

Output factor

AC 230V±10%

DC input

12V

24V

Output Security Cooling Efficiency

230V YES Fan 89%

PROBLEM SOLVING

PROBLEM Inverter does not work when power is first applied
Sound signal and red light flashes continuously for 1 second.
The alarm will sound and the red light will flash

POSSIBLE CAUSE

Battery

not

connected

correctly. The

connection on

the battery side

is loose.

Battery voltage

is too low.

The voltage at

the DC input

terminal reaches

the low battery

alarm setting:

10.5±0.5VDC

(12V)

21±0.5 V DC (24

V)

The voltage at the DC input terminal reaches the overvoltage

SOLUTION Check the battery and cable connections. Check the DC fuse. Charge the battery.
1 Check that the battery charge level is sufficient, if it is lower than the previous sheet. Recharge the battery as soon as possible. 2 Check that the battery cable is thick enough to conduct the required length of current. If necessary, thicker wires can be used. 3. tighten the battery input circuit connection. 1.Check that the voltage at the DC input terminal is greater than 15V/30V/60V DC.

continuously for 2 times at 1S.
The audible alarm sounds and the red LED flashes 3 times every 1s

The audible alarm sounds and the red LED flashes

The

inverter

operates normally

but there is no

voltage at the AC

output.

protection setpoint: 15.5±0.5VDC (12V) 31±0.5 V DC (24 V) Device overheats
The inverter is overloaded. Transmission error. Incorrect connection by the user, etc.

1.1 Check that the fan is operating normally. If this is not the case, the fan or the fan control circuit may be faulty, contact technical support. 2.2 If the fan is running, check that the ventilation slots and vents on the inlet side are correctly positioned. The air outlet of the fan must not be blocked. 3.3 If the fan is operating normally and the window is not blocked, check that there is sufficient cold spare air. Also check that the ambient temperature is below 45°C. 4.4 Reduce the load to reduce the heating effect. Once the cause of overheating and cooling has been eliminated, the unit will automatically reset itself. 1. Disconnect the load. 2. Reduce the load. 3. check for a short circuit at the output. Check that the device is connected correctly. 2. check for abnormal noises inside the product 3. Contact technical support.

Zalcznik 1 Ilustracja 1
Ilustracja 2
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