Cotek SP-3000-112 High Frequency Pure Sine Wave Inverter User Manual

1. Įvadas

This manual provides essential information for the safe and efficient operation of your Cotek SP-3000-112 High Frequency Pure Sine Wave Inverter. This device converts 12V DC power from batteries into 120V AC power, suitable for a wide range of electronic appliances. Please read this manual thoroughly before installation and use, and retain it for future reference.

2. Saugos informacija

Failure to follow these safety instructions may result in electric shock, fire, serious injury, or death. Always exercise caution when working with electrical equipment.

Perskaitykite visas instrukcijas: Before operating the inverter, read all instructions and cautionary markings on the inverter, the batteries, and all appropriate sections of this manual.
Kvalifikuotas personalas: Installation and servicing should be performed by qualified personnel familiar with batteries and inverters.
Vėdinimas: Ensure adequate ventilation around the inverter. Do not install in a zero-clearance compartment.
Venkite vandens: Do not expose the inverter to rain, snow, spray, or bilge water.
Tinkamas įžeminimas: Keitiklis turi būti tinkamai įžemintas.
Baterijos sauga: Work near lead-acid batteries is dangerous. Batteries generate explosive gases during normal operation. Ensure proper ventilation and wear appropriate personal protective equipment.
Atjunkite maitinimą: Always disconnect the battery supply before performing any maintenance or troubleshooting.
Teisingas ttage: Įsitikinkite, kad DC įvesties ttage matches the inverter's specifications (12VDC for this model).

Illustration of a battery with a recycling symbol — Always handle batteries with care and ensure proper disposal.

Hard hat, safety glasses, and gloves on a wooden surface — Montavimo ir priežiūros metu dėvėkite tinkamas asmenines apsaugos priemones.

3. Produktas baigtasview

3.1 Pagrindinės savybės

Grynas sinusoidės išėjimas jautriai elektronikai.
Power ON / OFF remote control capability (Green Terminal).
Input & output fully isolated for enhanced safety.
Temperature & load controlled cooling fan for optimal performance.
User-friendly interface with 3-color LED status indicators.
Multiple protection features: Reverse Polarity (Fuse), Under Voltage / Over Voltage, Output Protection (Short Circuit / Overload / Over Temperature).
E-13 / UL / CE / FCC approved.

3.2 Keitiklio komponentai

Cotek SP-3000-112 Pure Sine Wave Inverter, front-side view — **1 paveikslas:** Apskritai view of the Cotek SP-3000-112 Pure Sine Wave Inverter. This image shows the robust blue and grey casing, ventilation grilles, and the general form factor of the unit.

Rear panel of the Cotek SP-3000-112 Inverter showing AC outlet and controls — **2 paveikslas:** Rear panel of the inverter. Visible components include the hardwire AC output terminal, the main power switch (ON/OFF), LED indicators, DIP switches for settings, and an RJ45 port for remote control.

Front panel of the Cotek SP-3000-112 Inverter showing DC input terminals and cooling fan — **3 paveikslas:** Front panel of the inverter. This view highlights the heavy-duty DC input terminals (red for positive, black for negative), the chassis ground connection, and the cooling fan vents.

Close-up of the control panel on the Cotek SP-3000-112 Inverter — **4 paveikslas:** Išsamus view of the control panel. This section includes the LED indicators (Power, Fault, Overload), DIP switches for configuration, the RJ45 remote control port, and the green terminal for remote ON/OFF control.

4. Sąranka ir diegimas

Proper installation is crucial for the safe and efficient operation of your inverter. Refer to local electrical codes and standards.

4.1 Įdėjimas

Install the inverter in a dry, well-ventilated area, away from direct sunlight, heat sources, and flammable materials.
Ensure sufficient clearance around the inverter for proper airflow, especially around the cooling fan vents.
Mount the inverter securely on a stable, non-combustible surface.
Avoid areas where dust, moisture, or corrosive fumes are present.

4.2 Laidai

All wiring must comply with applicable electrical codes and be performed by a qualified electrician.

Įžeminimas: Connect the inverter's chassis ground terminal to a reliable earth ground using appropriate gauge wire.
DC įvesties jungtis:
- Įsitikinkite, kad akumuliatoriaus talpatage yra 12VDC.
- Use appropriately sized cables for the DC input to minimize voltage drop and ensure safety. Refer to cable sizing charts based on current and distance.
- Connect the positive (+) terminal of the battery bank to the red (+) terminal on the inverter.
- Connect the negative (-) terminal of the battery bank to the black (-) terminal on the inverter.
- Install a DC-rated fuse or circuit breaker between the battery bank and the inverter's positive terminal, as close to the battery as possible.
Kintamosios srovės išvesties jungtis:
- Connect your AC loads to the hardwire AC output terminal block.
- Ensure the total load does not exceed the inverter's continuous power rating (3000W).
Nuotolinio valdymo pultas (pasirinktinai): Connect the remote control unit to the RJ45 port or use the green terminal for external ON/OFF control if desired.

5. Naudojimo instrukcijos

5.1 Įjungimas / išjungimas

Norėdami įjungti: Ensure all DC and AC connections are secure. Flip the main power switch on the inverter's rear panel to the 'ON' position. The Power LED indicator should illuminate.
Norėdami išjungti: Disconnect all AC loads from the inverter. Flip the main power switch to the 'OFF' position.

5.2 LED indikatoriai

The inverter features 3-color LED status indicators on the control panel (refer to Figure 4) to provide operational feedback:

Žalias šviesos diodas: Indicates normal operation and power output.
Geltonas šviesos diodas: Indicates a warning condition, such as low battery voltage or high temperature. The inverter may continue to operate but requires attention.
Raudonas šviesos diodas: Indicates a fault condition, such as overload, short circuit, or severe over/under voltage. The inverter will shut down to protect itself and connected devices.

5.3 DIP jungiklio nustatymai

The DIP switches on the control panel allow for customization of certain inverter parameters, such as output voltage, frequency, and power saving mode. Refer to the detailed specifications table (Figure 5) or the product datasheet for specific configurations. Always adjust DIP switches when the inverter is powered off.

6. Priežiūra

Reguliarus keitiklio aptarnavimas užtikrina jo ilgaamžiškumą ir patikimą veikimą.

Valymas: Reguliariai valykite keitiklio išorę sausa šluoste. Įsitikinkite, kad ventiliacijos angose nėra dulkių ir šiukšlių. Nenaudokite skystų valiklių.
Jungtys: Regularly check all electrical connections (DC input, AC output, ground) for tightness and corrosion. Loose connections can cause overheating and poor performance.
Akumuliatoriaus patikrinimas: Inspect batteries for signs of damage, corrosion, or electrolyte leakage. Ensure battery terminals are clean and tight.
Aplinka: Įsitikinkite, kad darbo aplinka neviršija nurodytų temperatūros ir drėgmės diapazonų.

7. Problemų sprendimas

Šiame skyriuje pateikiami dažniausiai pasitaikančių problemų, su kuriomis galite susidurti, sprendimai. Jei problema išlieka, susisiekite su klientų aptarnavimo tarnyba.

Problema	Galima priežastis	Sprendimas
Inverteris neįsijungia.	No DC input power; Loose battery connections; Blown DC fuse/breaker; Inverter switch OFF.	Patikrinkite akumuliatoriaus tūrįtage; Tighten connections; Replace fuse/reset breaker; Turn inverter switch ON.
Nėra kintamosios srovės išėjimo.	Overload; Short circuit; Over-temperature shutdown; Low/High DC input voltage.	Reduce AC load; Check for short circuits in wiring/appliances; Allow inverter to cool; Check battery voltage.
Yellow LED illuminated.	Žemas akumuliatoriaus tūristage warning; High temperature warning.	Recharge batteries; Ensure adequate ventilation, reduce load.
Red LED illuminated / Inverter shut down.	Overload; Short circuit; Over-temperature; Under/Over voltage.	Identify and correct the fault (e.g., reduce load, fix short, allow cooling, check battery voltage), then restart the inverter.
Cooling fan runs constantly or loudly.	Aukšta vidaus temperatūra dėl didelio krovinio arba prastos ventiliacijos.	Reduce load; Improve ventilation around the inverter.

8. Specifikacijos

The following table outlines the technical specifications for the Cotek SP-3000 Series Pure Sine Wave Inverter, specifically for the SP-3000-112 model.

Detailed specifications table for Cotek SP-3000 series inverters — **5 paveikslas:** Technical specifications for the Cotek SP-3000 Series, including the SP-3000-112 model.

Kategorija	Parametras	SP-3000-112
Išvestis	AC ttage	100 / 110 / 115 / 120 VAC ± 5 %
	Nominali galia	3000W
	Surge Power (1 Sec.)	6000W
	Didžiausia išėjimo galia (1 min.)	3450W
	Išvesties bangos forma	Pure Sine Wave (THD<3%)
	Dažnis	50/60 Hz ±0.5 %
Įvestis	DC ttage	12VDC
	ttage Diapazonas	10.5 ~ 16.5 VDC
	Nėra apkrovos srovės	<3.0A@12VDC
	Energijos taupymo režimas	<0.4A@12VDC
	Efektyvumas (maks.)	90 %
Apsauga	Input Under - Voltage Apsauga	10.5 ±0.3 VDC
	Input Under - Voltage Signalizacija	11.0 ±0.3 VDC
	Input Under - Voltage Atkūrimas	12.0 ±0.3 VDC
	Input Over - Voltage Apsauga	16.5 ±0.3 VDC
	Input Over - Voltage Atkūrimas	14.5 ±0.3 VDC
	Išvesties perkrova	Išjungimo išvestis ttage, paleiskite iš naujo, kad atkurtumėte
	Trumpas išvestis	Išjungimo išvestis ttage, paleiskite iš naujo, kad atkurtumėte
Aplinka	Darbinė temp.	-20°C ~ +40°C
Aplinka	Laikymo temp. & Drėgmė	-30°C ~ +70°C, 10 ~ 95% RH
Generolas	Matmenys (P x A x G)	442 x 214 x 102 mm (17.4 x 8.4 x 4.0 colio)
	Svoris	8.2 kg (18.1 svaro)
	Aušinimas	Temperatūra ir apkrova valdomas aušinimo ventiliatorius

Mechanical drawings with dimensions for Cotek SP-3000 series inverter — **6 paveikslas:** Mechanical drawings providing dimensional information for installation planning.

9. Garantija ir palaikymas

9.1 Informacija apie garantiją

The Cotek SP-3000-112 Pure Sine Wave Inverter comes with a 2 metų gamintojo garantijaŠi garantija taikoma medžiagų ir gamybos defektams, atsiradusiems įprasto naudojimo sąlygomis. Išsaugokite pirkimo įrodymą, jei galėtumėte pateikti pretenzijas dėl garantijos.

9.2 Pagalba klientams

For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Cotek customer support through their official website or your point of purchase. Provide your model number (SP-3000-112) and a detailed description of the issue to expedite service.

	COTEK SP serijos gryno sinusoidinio keitiklio naudotojo vadovas Išsamus COTEK SP serijos grynos sinusinės bangos keitiklių (nuo SP-700 iki SP-4000) naudotojo vadovas. Sužinokite apie įrengimą, veikimą, saugą, technines specifikacijas ir pažangias funkcijas, tokias kaip grynos sinusinės bangos išvestis ir patikima apsauga.
	COTEK SP serijos gryno sinusoidinio keitiklio naudotojo vadovas Comprehensive user's manual for COTEK SP Series Pure Sine Wave Inverters (SP-700, SP-1000, SP-1500, SP-2000, SP-3000, SP-4000). Covers specifications, installation, operation, safety, and RS-232 communication for reliable power conversion.
	COTEK SPT serijos gryno sinusoidinio keitiklio su perjungimo jungikliu pristatymas ir specifikacijos Glaustas aprašymasview „COTEK SPT“ serijos grynos sinusinės bangos keitiklių su perjungimo jungikliu apžvalga, kurioje išsamiai aprašomos jų techninės specifikacijos, gaminio išvaizda, montavimo gairės ir įvairių modelių garantijos informacija.
	COTEK SE Series Pure Sine Wave Inverter User Manual (200W, 350W, 400W) Comprehensive user manual for the COTEK SE Series Pure Sine Wave Inverters, covering models 200W, 350W, and 400W. This guide provides detailed information on safety precautions, product features, electrical specifications, installation procedures, operation, maintenance, troubleshooting, and warranty details.
	COTEK SK serijos 1500 W grynos sinusinės bangos keitiklio naudotojo vadovas Išsamus COTEK SK serijos 1500 W gryno sinuso bangos keitiklio naudotojo vadovas, kuriame aptariama sauga, funkcijos, specifikacijos, įrengimas, naudojimas, priežiūra ir trikčių šalinimas. Pateikiamos išsamios tinkamo naudojimo ir priežiūros gairės.
	COTEK SK120, SK200, SK350 serijos grynos sinusinės bangos keitiklio naudotojo vadovas Šiame naudotojo vadove pateikiama išsami informacija apie COTEK SK120, SK200 ir SK350 serijos grynos sinusinės bangos keitiklius, įskaitant saugą, funkcijas, įrengimą, veikimą, trikčių šalinimą ir garantiją.

COTEK SP-3000-112