1. Introduzione
This manual provides detailed instructions for the installation, operation, and maintenance of your OOYCYOO 100A MPPT Solar Charge Controller, model K100. This advanced controller is designed for 12V and 24V battery systems, automatically identifying the system voltage. It features Maximum Power Point Tracking (MPPT) technology for efficient solar energy conversion, supporting various battery types including AGM, Sealed, Gel, Flooded, and Lithium batteries. The K100 model offers enhanced functionalities and advanced technology for reliable solar power management.
2. Informazioni sulla sicurezza
Please read all instructions carefully before installation and operation. Failure to follow these instructions may result in damage to the unit, personal injury, or property damage. Always ensure proper ventilation and connections.
2.1. Funzioni di protezione
- PV Over Current/Power: Protects against excessive current or power from solar panels.
- Cortocircuito fotovoltaico: Prevents damage from short circuits in the solar array.
- Polarità inversa PV: Protects if solar panel polarity is reversed.
- Night Reverse Charging: Prevents battery discharge back to solar panels at night.
- Polarità inversa della batteria: Protects if battery polarity is reversed.
- Batteria oltre il volumetage: Prevents overcharging of the battery.
- Batteria scarica: Protects the battery from deep discharge.
- Battery Overheating, Controller Overheating: Shuts down or reduces power to prevent thermal damage.
- Lithium Battery Low Temperature: Protects lithium batteries from charging at low temperatures.
- Load Short Circuit: Protects the load output from short circuits.
- Load Overload: Previene i danni causati da una corrente di carico eccessiva.
- TVS alto voltage Transitori: Provides protection against voltage picchi.
3. Contenuto della confezione
Verifica che tutti gli articoli siano presenti nel tuo pacco:
- 1 x OOYCYOO 100A MPPT Solar Charge Controller (K100)
- 1 x Sensore di temperatura
- 1 x Manuale utente (inglese)
4. Prodotto finitoview
The OOYCYOO K100 MPPT Solar Charge Controller is designed for robust performance and ease of use. It features a blacklight LCD display for clear monitoring of charging status and system parameters. The unit incorporates scientifically designed convection cooling with two highly efficient exhaust fans to maintain optimal operating temperatures.
4.1. Identificazione dei componenti

Figure 1: Controller Terminals and Ports. This image shows the various connection points on the controller, including solar panel terminals, battery terminals, load terminals, USB 5V/2A output, RS485 communication port, and temperature sensor port. Wire jacks are clearly marked for positive and negative connections.

Figura 2: Funzioni di protezione multiple. This diagram highlights the comprehensive safety protections integrated into the controller, such as high temperature, overcharge, reverse current, over discharge, overload, short circuit, and reverse polarity protection.

Figure 3: External Display Unit. An image of the optional external LCD display unit, which connects to the controller via an RS485 communication interface. This unit allows for remote monitoring and adjustment of parameters.
4.2. Video del prodotto finitoview
Video 1: OOYCYOO MPPT Solar Charge Controller Features. This official video demonstrates the key features and components of the OOYCYOO MPPT Solar Charge Controller, including its design, various ports, and the functionality of the display.
5. Configurazione e installazione
Proper installation is crucial for the optimal performance and longevity of your solar charge controller. Ensure all connections are secure and follow the recommended wiring sequence.
5.1. Montaggio del controller
- Montare il controller in un'area ben ventilata, lontano dalla luce solare diretta e dall'umidità.
- Ensure sufficient clearance around the unit for proper airflow, especially around the exhaust fans and the back fence mesh design for heat dissipation.
- Il controller deve essere montato verticalmente su una superficie non infiammabile.
5.2. Collegamenti elettrici
Follow the wiring sequence below to prevent damage:
- Collegare la batteria: First, connect the battery to the controller's battery terminals. Ensure correct polarity (+ to + and - to -). The controller will automatically detect the 12V or 24V system voltage.
- Collegare i pannelli solari: Next, connect the solar panels to the controller's solar terminals. Verify correct polarity.
- Collegare il carico (facoltativo): Infine, collega i carichi CC ai terminali di carico del controller.
The power terminals accommodate 10 AWG wiring. For optimal performance, use appropriate wire gauges for all connections.

Figure 4: Battery Adaptability. This illustration demonstrates the controller's compatibility with various battery types (GEL, SEL, USER, AGM, FLD, LI, LiFePO4) and shows a typical charging curve (Bulk Charge, Constant Charging, Float Charge).
6. Istruzioni per l'uso
Once installed, the controller will begin operating automatically. The built-in LCD display provides real-time information about your solar system.
6.1. LCD Display and Monitoring
The blacklight LCD display shows various parameters simultaneously, including:
- Volume pannello solaretage (PV) and Current (A)
- Volume batteriatage (BATT) and State of Charge (%)
- Volume di caricotage (LOAD) and Current (A)
- Cumulative power (KWH)
- Temperatura ambiente
- Charging Faults or Errors
- Load Status (ON/OFF)
The controller automatically tracks real-time data changes in these parameters, providing a comprehensive overview of your system's performance.
6.2. External Display (Optional)
An optional external display unit (LCD D485) can be connected via the RS485 communication port. This unit allows for remote monitoring and adjustment of controller functions and parameters, offering greater flexibility in system management. The external display package includes a 1.5-meter extension cable for convenient placement.
7. Manutenzione
Regular maintenance ensures the long-term reliability and efficiency of your OOYCYOO MPPT Solar Charge Controller.
- Pulizia: Mantenere il controller pulito e privo di polvere e detriti. Utilizzare un panno asciutto per la pulizia.
- Connessioni: Controllare periodicamente tutti i collegamenti elettrici per assicurarsi che siano ben saldi e privi di corrosione.
- Ventilazione: Ensure that the cooling fans and ventilation openings are not obstructed. The built-in cooling fan activates when the internal temperature exceeds 45°C and turns off below 40°C, contributing to a longer lifespan (up to 5000 hours in normal use).
- Ispezione della batteria: Regularly inspect your batteries for any signs of damage or leakage.
8. Risoluzione Dei Problemi
If you encounter issues with your solar charge controller, refer to the following common problems and solutions. For complex issues, please contact customer support.
- Nessun display/alimentazione: Controllare i collegamenti della batteria e assicurarsi che la batteria sia carica.tage rientra nell'intervallo operativo (9V-32V).
- Nessuna ricarica: Verify solar panel connections and ensure sufficient sunlight. Check for PV over current/power or short circuit protection activation.
- Carico non funzionante: Check load connections and ensure the load is not overloaded or short-circuited. Verify battery voltage è al di sopra del volume bassotage soglia di disconnessione.
- Surriscaldamento: Ensure adequate ventilation around the controller. Check if the cooling fans are operating correctly when the unit is warm.
- Codici di errore: Refer to the LCD display for specific error codes. Consult the detailed manual or contact support for interpretation.
9. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Corrente di carica nominale | 100A |
| Vol. nominale sistematage | 12V/24VDC Auto Identifying |
| Potenza massima in ingresso FV (sistema a 12 V) | 1300W |
| Potenza massima in ingresso FV (sistema a 24 V) | 2600W |
| Massimo Circuito aperto fotovoltaico voltage | 100 V CC |
| MPPT Miglior volume di lavorotage Gamma (12 V) | DC18V-DC96V |
| MPPT Miglior volume di lavorotage Gamma (24 V) | DC36V-DC96V |
| Volume batteriatage Gamma | 9 V~32 V |
| Terminale di alimentazione | Cavo AWG 10 |
| Maximum DC/DC Transfer Efficiency | Fino al 98.7% |
| Tracking Rate of Maximum Power | ≥99% |
| Temperatura di esercizio | Fino a 45°C |
| Dimensioni del prodotto | 12.8 x 8.1 x 3.5 pollici |
| Peso dell'articolo | 8.91 libbre |
| Materiale | Metallo |
| Tipo di visualizzazione | LCD (Blacklight) |
| Componenti inclusi | USB |
10. Garanzia e supporto
OOYCYOO provides a worry-free after-sales guarantee for this product. If you have any questions or require assistance with your MPPT solar charge controller, please do not hesitate to contact us via email. Our support team is committed to providing prompt assistance.
For technical support or warranty claims, please refer to the contact information provided with your purchase or visit the official OOYCYOO websito.




