QOLTEC 51932 Pure Sine Wave Monolith User Manual

October 29, 2023
Qoltec

QOLTEC logo 51932 Pure Sine Wave Monolith
User ManualQOLTEC 51932 Pure Sine Wave Monolith - battery
3 PURE SINE WAVE INVERTER
MODEL: 51932 – 51939

INTRODUCTION

Thank you for your trust and for choosing Monolith by Qoltec Pure Sine Wave Inverter. We are confident that the product will satisfy your expectations. This manual will guide you through the installation and use of the product includes important safety instructions for proper operation and installation. After reading this manual, don’t hesitate to get in touch with our Customer Service Department if you have any questions.

SAFETY INSTRUCTIONS

Warning! Please read the safety instructions carefully when installing and using inverter.

  1. In order to reduce risks, please do not expose inverter to harsh environments such as rain, snow, frost, fog, greasy and a lot of dust during installation. Do not install the inverter in a sealed place, and do not cover or block the ventilation.
  2. The inverter should avoid places with fire, electric shocks, wires that do not meet the standard specifications.
  3. Because the inverter contains components that are prone to arcing, it cannot be installed in a flammable and explosive environment
  4. When connecting battery, if the acidic substance of the battery comes in contact with the skin or clothing, please wash with clean water and soapy water immediately. If the acidic substance enters the eyes, please wash the eyes with clean water for at least 20 minutes, and go to hospital for treatment immediately.
  5. Please do not put metal tools on the battery, the battery or inverter components may be damaged due to sparks caused by the short circuit
  6. It is forbidden to put small metal objects such as iron needles and iron pins into the product. Keep it away from water.
  7. Children are forbidden to operate this product, and do not touch the terminal, output socket, fan etc. with your fingers in case of injury and electric shock.

PRODUCT FEATURES AND APPLICATIONS

  1. Pure sine wave and modified sine wave
  2. High efficiency, light in weight
  3. LED indicates the status of the load
  4. Fully automatic control of refrigeration fan (load)
  5. Microprocessor design
  6. Soft start, maintain battery life effectively
  7. Low voltage /Overload/ Short circuit /Over voltage/Over temperature alarm system
  8. Product applications
    Power tools series: electric saw, drilling machine, grinder, sand blast machine, punching machine, weeding machine, air compressor etc.
    Office equipment series: computers, printers, monitors, copiers, scanners, etc.
    Household appliances series: vacuum cleaners, electric fans, fluorescent lamp, incandescent lamps, electric cutting knives, sewing machines, etc.
    Kitchen appliances series: microwave ovens, refrigerators, freezers, coffee machines, blenders, ice machines, ovens etc.
    Industrial equipment series: metal halide lamp, high-pressure lamp, ship cutting, solar energy, wind power generation, etc.
    Electronic field series: TV sets, video recorders, game consoles, radios, power amplifiers, music equipment equipment, monitoring equipment, terminal equipment,server, itelligent platform, satellite communication equipment, etc.

Operation guide: Warning!
There is high voltage inside the product, pay attention to safety. Non- professionals are strictly forbidden to disassemble or modify without permission, and the company will not be responsible for any violation. Please follow the instructions below.

  1. Battery selection: Please use lead-acid batteries, the input voltage is 12V/24V. Such as a 12V/300W inverter, please choose battery capacity above 30Ah. For a 12V/1000W inverter, please choose capacity above 100Ah, and so on. If lithium batteries, you need to inform us in advance, we will adjust the parameters according to the characteristics of your lithium batteries.
  2. Connect appliances with inverter: ensure that the loading power is within inverter power, the power cannot exceed the maximum power of inverter when started.
  3. Low voltage protection: When 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 12V inverter’s input voltage is lower than 10V+0.5V, when 24V inverter’s input voltage is lower than 20V+0.5V. The AC output will first alarm and then turn off, and the indicator light will turn red.
  4. Over voltage protection: when battery voltage is too high, the indicator will sound an alarm, indicating that the input DC voltage is too high, and the battery needs to be discharged as soon as possible. Such as 12V type, the input voltage reaches 15V±0.5V; 24V inverter, the input voltage reaches 30V+0.5V the warming light will turn red, the AC output device will be turned off at the same time.

INVERTER ICON AND CONNECTION

MODEL: 51932 51936
Pure Sine Wave Inverter 600W (600/300)
QOLTEC 51932 Pure Sine Wave Monolith - batteryMODEL: 51933 51937
Pure Sine Wave Inverter 1200W (1200/600)
QOLTEC 51932 Pure Sine Wave Monolith - battery 1MODEL: 51934 51938
Pure Sine Wave Inverter 2000W (2000/1000)
QOLTEC 51932 Pure Sine Wave Monolith - battery 2MODEL: 51935_51939
Pure Sine Wave Inverter 4000W (4000/2000)
QOLTEC 51932 Pure Sine Wave Monolith - battery 3

WARNING DIAGRAM

QOLTEC 51932 Pure Sine Wave Monolith - Diagram

COMMON FAULT AND ELIMINATING METHODS

Fault

| Possible reason|

Recommended solution

---|---|---
The Metter does not work during the elite/ fleteeer-efl| the battery 6 not connected propene. The connecoon on the battery side is loose.
The battery voltages too low| Check the battery and wre COVECUCrIS Check the OC fuse. Charge the battery.
The buzzer sounds and the red light
flashes fanhfsexIslti fa i second Such as B. EL. B..| The voltage on the DC input terminal readies the set
point of the low battery alarm
105s0.5VDC (12VI 21set5VDC (NM| 1.Check whether the battery power is sufficient If it Is lower than the previous worksheet. Please charge as soon as posale.

2.Check whether the battery wire is thick enough to carry the required current within the required length If necessary, thicker wires can be used
3Tighten the connection of the battery input circuit

The buzzer sounds and the red light flashes  continuouslyfor 2 tires for 1S. Such as: BiBi_ Be. Bei
.

| The voltage on the DC input terminal readies the set point of overvoltage protection
15510.5VDC (12V) 3110-SUDC (24VI| 1. Check whether the voltage on the DC input terminal is greater than ISV / 30V f 60V DC
The buzzer sounds and the red fir flashes continuously for 3 tines for IS. Such as: Baal-
BiBilk…
BiBiBt.| The system is overheat*| 11. Check whetter the fan is waking normay. Ottenvise, the fantfan contra ckcuit may be faulty, please call technical support
2 2.1f the fan is working, please check whether the ventlatisn slots and vents on the suction sick aeon the vents The air outlet of the fan carrot be blocked
3 3.Iftte fan is oakog normally and the window is not blocked. pease check :f there Is enough cad spare at Also check whether the aslant temperate is below 45°C.
44. Reduce the bad to reduce the heatirg effect.
After eirnriatitig the cause of overheating and cooling, it will autornathaly reset
The buzzer sounds and the red light flashes continuously Such as BiBaiBiBi 818181| This marine is overload protection| 1.Disconnect the load
2.Reduce the load.
3 Whether the output is short-cirwited
Inverter worliang Indicator is normal and no AC output| It may be damaged by transportation jitter. Use connection error, etc.| 1.Check whether the device connection is natal
2.Whether there is any abnormal noise inside the product
3.Call technical support.

DATASHEET

Inverter output current form: Pure Sine Wave

Model 51932 51933 51934 51935
Rated power 300W 600W 1000W 2000W
Peak power 600W 1200W 2000W 4000W
Output rate AC 230V±107.
DC input 12V 12V 12V 12V
Model 51936 51937 51938 51939
--- --- --- --- ---
Rated power 300W 600W 1000W 2000W
Peak power 600W 1200W 2000W 4000W
Output rate AC 230V±10%
DC input 24V 24V 24V 24V

QOLTEC logoProducer
NTEC sp. z o.o.
ul.Chorzowska 44B,
44-100 Gliwice, Poland

www.b2b.ntec.eu
WEEE/BDO: 000137497
Made in China
Designed in Europe
QOLTEC 51932 Pure Sine Wave Monolith - icon

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