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

1. Bubuka

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. Émbaran Kasalametan

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

Baca Sadaya Parentah: Before operating the inverter, read all instructions and cautionary markings on the inverter, the batteries, and all appropriate sections of this manual.
Personil anu mumpuni: Installation and servicing should be performed by qualified personnel familiar with batteries and inverters.
Ventilasi: Ensure adequate ventilation around the inverter. Do not install in a zero-clearance compartment.
Hindarkeun cai: Do not expose the inverter to rain, snow, spray, or bilge water.
Grounding anu leres: The inverter must be properly grounded.
Kasalametan batré: Work near lead-acid batteries is dangerous. Batteries generate explosive gases during normal operation. Ensure proper ventilation and wear appropriate personal protective equipment.
Pegatkeun Daya: Always disconnect the battery supply before performing any maintenance or troubleshooting.
Bener Voltage: Pastikeun vol input DCtage 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 — Wear appropriate personal protective equipment during installation and maintenance.

3. Produk Langkungview

3.1 Fitur konci

Output gelombang sinus murni pikeun éléktronika sénsitip.
Power ON / OFF kamampuhan kadali jauh (Terminal Héjo).
Input & output fully isolated for enhanced safety.
Suhu & beban dikawasa kipas pendingin pikeun pagelaran optimal.
Antarbeungeut anu ramah-pamaké sareng indikator status LED 3 warna.
Multiple protection features: Reverse Polarity (Fuse), Under Voltage / Leuwih Voltage, Output Protection (Short Circuit / Overload / Over Temperature).
E-13 / UL / CE / FCC approved.

3.2 Komponen Inverter

Cotek SP-3000-112 Pure Sine Wave Inverter, front-side view — **Gambar 1:** Gemblengna 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 — **Gambar 2:** 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 — **Gambar 3:** 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 — **Gambar 4:** Diwincik 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. Setup jeung Instalasi

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

4.1 Nempatkeun

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 Kabel

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

Grounding: Connect the inverter's chassis ground terminal to a reliable earth ground using appropriate gauge wire.
Sambungan Input DC:
- Ensure the battery bank voltage nyaéta 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.
Sambungan Kaluaran AC:
- 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).
Remote Control (Opsional): Connect the remote control unit to the RJ45 port or use the green terminal for external ON/OFF control if desired.

5. Parentah Operasi

5.1 Powering on / Pareum

Pikeun Ngahurungkeun: 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.
Pikeun mareuman: Disconnect all AC loads from the inverter. Flip the main power switch to the 'OFF' position.

5.2 Indikator LED

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

LED Héjo: Indicates normal operation and power output.
LED konéng: Indicates a warning condition, such as low battery voltage or high temperature. The inverter may continue to operate but requires attention.
LED Beureum: 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 Pindah Setélan

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. Pangropéa

Pangropéa rutin mastikeun umur panjang sareng operasi anu tiasa dipercaya tina inverter anjeun.

beberesih: Periodically clean the exterior of the inverter with a dry cloth. Ensure ventilation openings are free from dust and debris. Do not use liquid cleaners.
Sambungan: Regularly check all electrical connections (DC input, AC output, ground) for tightness and corrosion. Loose connections can cause overheating and poor performance.
Pamariksaan batré: Inspect batteries for signs of damage, corrosion, or electrolyte leakage. Ensure battery terminals are clean and tight.
Lingkungan: Pastikeun yén lingkungan operasi tetep dina kisaran suhu sareng kalembaban anu ditangtukeun.

7. Cara ngungkulan

Bagian ieu nyayogikeun solusi pikeun masalah umum anu anjeun tiasa pendak. Upami masalahna teras-terasan, hubungi dukungan palanggan.

Masalah	Mungkin Cukang lantaranana	Solusi
Inverter teu hurung.	No DC input power; Loose battery connections; Blown DC fuse/breaker; Inverter switch OFF.	Pariksa batré voltage; Tighten connections; Replace fuse/reset breaker; Turn inverter switch ON.
Henteu aya kaluaran AC.	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.	batré low voltage 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.	High internal temperature due to heavy load or poor ventilation.	Reduce load; Improve ventilation around the inverter.

8. Spésifikasi

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 — **Gambar 5:** Technical specifications for the Cotek SP-3000 Series, including the SP-3000-112 model.

Kategori	Parameter	SP-3000-112
Kaluaran	AC Voltage	100 / 110 / 115 / 120VAC ± 5%
	Dipeunteun Power	3000W
	Kakuatan Surge (1 Detik)	6000W
	Daya Kaluaran Maksimum (1 Menit)	3450W
	Bentuk gelombang kaluaran	Gelombang Sinus Murni (THD <3%)
	Frékuénsi	50 / 60 Hz ± 0.5%
Input	DC Voltage	12VDC
	Voltage Rentang	10.5 ~ 16.5VDC
	Taya Beban Ayeuna	<3.0A@12VDC
	Modeu Hemat Daya	<0.4A@12VDC
	Efisiensi (Max.)	90%
Panyalindungan	Input Under - Voltage panyalindungan	10.5 ± 0.3VDC
	Input Under - Voltage Alarem	11.0 ± 0.3VDC
	Input Under - Voltage Pamulihan	12.0 ± 0.3VDC
	Input Over - Voltage panyalindungan	16.5 ± 0.3VDC
	Input Over - Voltage Pamulihan	14.5 ± 0.3VDC
	Kaluaran Overload	Pareum kaluaran voltage, balikan deui pikeun cageur
	Kaluaran pondok	Pareum kaluaran voltage, balikan deui pikeun cageur
Lingkungan	Suhu Operasi	-20°C ~ +40°C
Lingkungan	Suhu Panyimpenan. & Kalembaban	-30°C ~ +70°C, 10 ~ 95% RH
Umum	Ukuran (W x H x D)	442 x 214 x 102 mm (17.4 x 8.4 x 4.0 inci)
	Beurat	8.2 kg (18.1 lbs)
	Niiskeun	Suhu & beban dikawasa kipas pendingin

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

9. Garansi jeung Rojongan

9.1 Émbaran jaminan

The Cotek SP-3000-112 Pure Sine Wave Inverter comes with a 2-Taun Garansi Produsén. Garansi ieu nyertakeun cacad dina bahan sareng pagawean dina panggunaan normal. Punten tahan bukti pameseran anjeun pikeun klaim garansi.

9.2 Rojongan Palanggan

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.

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COTEK SP-3000-112