1. Introduction
The WHAYO VS series multi-function inverter/charger is a compact and versatile device designed to provide uninterrupted power support. It integrates the functions of an inverter, an MPPT solar charger, and a battery charger. This inverter is compatible with various battery types, including lead-acid and lithium-ion batteries.
Its user-friendly LCD display allows for easy configuration of settings such as battery charging current, AC/solar charger priority, and acceptable input voltage, making it suitable for a wide range of applications in home or office environments. It can power various electrical appliances, including light tubes, fans, refrigerators, air conditioners, and other motor-type appliances.
2. Safety Information
Please read all instructions and warnings carefully before installation and operation. Keep this manual for future reference.
- Installation should only be performed by authorized personnel.
- Ensure proper grounding of the inverter.
- Do not disassemble the inverter. There are no user-serviceable parts inside.
- Avoid exposing the inverter to rain, snow, spray, or any liquids.
- Ensure adequate ventilation around the inverter to prevent overheating.
- Always disconnect all power sources (AC, PV, Battery) before performing any maintenance or wiring.
- Observe all local electrical codes and standards.
Image: Warning label on the inverter's rear panel indicating "DO NOT TOUCH TERMINALS WHILE LIVE" and "INSTALLATION SHOULD ONLY BE OPERATED BY AUTHORIZED PERSONNEL".
3. Package Contents
Upon unpacking, please verify that all items listed below are included and undamaged:
- WHAYO VS Series Off-Grid Solar Inverter
- User Manual (this document)
- Mounting hardware (screws, anchors)
- Communication cables (RS232, RS485 - if applicable)
Image: Inverter packaging showing the unit, user manual, and mounting accessories.
4. Product Overview
4.1 Front Panel
Image: Front view of the WHAYO VS Series Inverter, highlighting the LCD display and control buttons.
4.2 Rear Panel and Connections
Image: Rear view of the WHAYO VS Series Inverter, detailing the ON/OFF switch, AC INPUT, AC OUTPUT, PV INPUT, DC 24V/48V battery terminals (NEG, POS), FUSE, RS232, RS485 ports, and an INPUT BREAKER 230VAC.
4.3 Control Panel
Image: Detailed view of the inverter control panel. It features an LCD display and buttons labeled ENTER, DOWN, UP, and ESC. Indicator lights are present for FAULT (red), CHG (yellow), and AC/INV (green).
5. Installation and Setup
Proper installation is crucial for the safe and efficient operation of your inverter. Please follow these guidelines carefully.
5.1 Mounting the Inverter
- Choose a suitable location that is dry, well-ventilated, and protected from direct sunlight and moisture.
- Ensure the mounting surface can support the weight of the inverter.
- Maintain adequate clearance around the inverter for proper airflow and cooling.
- Use the provided mounting hardware to securely fasten the inverter to the wall.
5.2 Wiring Connections
All wiring must be performed by a qualified electrician in accordance with local electrical codes.
- Battery Connection: Connect the battery bank to the DC input terminals (NEG and POS) on the rear panel. Ensure correct polarity. The inverter supports 24V or 48V DC battery systems.
- PV Input Connection: Connect the solar panel array to the PV INPUT terminals. Observe correct polarity for PV+ and PV-.
- AC Input Connection: Connect the utility grid (AC source) to the AC INPUT (L, N, G) terminals.
- AC Output Connection: Connect your loads (appliances) to the AC OUTPUT (L, N, G) terminals.
- Communication Ports: Connect RS232 or RS485 cables for monitoring and communication, if desired.
Image: Detailed wiring diagram illustrating connections for Solar Panel, Utility Grid, Generator, Inverter (WHAYO), Lead Acid/Lithium Battery, and Home loads. It also shows CubeWiFi/CubeGPRS connecting to the Internet for PVguarder APP and Web monitoring.
Image: Solar system diagram showing power flow from Sunshine to Solar Panel, then to the Inverter (WHAYO). The Inverter connects to the Power Grid, Battery (Lithium/Lead Acid Support), and various Devices.
5.3 Initial Power-Up
- Double-check all wiring connections for correctness and security.
- Ensure the ON/OFF switch on the inverter's rear panel is in the OFF position.
- Connect the battery bank.
- Connect the solar panels.
- Connect the AC input (utility grid).
- Switch the inverter's ON/OFF switch to the ON position.
- Observe the LCD display and indicator lights for normal operation.
6. Operation
The inverter features an LCD display and control buttons for monitoring and configuration.
6.1 LCD Display and Control Buttons
The LCD display shows various operational parameters. Use the control buttons to navigate menus and adjust settings:
- ENTER: Confirms selection or enters a menu.
- DOWN: Navigates down through menu options or decreases a value.
- UP: Navigates up through menu options or increases a value.
- ESC: Exits a menu or cancels an operation.
Indicator lights provide quick status updates:
- FAULT (Red): Indicates an error or fault condition.
- CHG (Yellow): Indicates charging status.
- AC/INV (Green): Indicates AC mode or Inverter mode.
6.2 Parameter Configuration
Through the LCD display, you can view and configure parameters such as:
- AC voltage and frequency
- PV voltage and current
- Output voltage and frequency
- Battery voltage
- Load current
- Battery charging current
- AC/solar charger priority
- Acceptable input voltage range
Refer to the detailed menu structure in the full user manual for specific navigation and setting procedures.
7. Specifications
The following table outlines the technical specifications for the WHAYO VS Series Off-Grid Solar Inverters:
| Feature | VS3024/48 M6 | VS4024/48 M6 | VS5024/48 M6 | VS6048 M8 | VS8048 M8 | VS10048 M8 | VS12548 M8 |
|---|---|---|---|---|---|---|---|
| AC Input Voltage | 220VAC (standard) | ||||||
| Input Voltage Range | 154-264VAC±3V (Normal Model), 185-264VAC±3V (UPS model), 175-285VAC±3V (AVR Type) | ||||||
| Input Frequency | 50/60Hz±5% | ||||||
| Output Power (VA/W) | 3000VA/2400W | 4000VA/3200W | 5000VA/4000W | 6000VA/4800W | 8000VA/6400W | 10000VA/8000W | 12500VA/10000W |
| AC Model Output Voltage | Same as input voltage (with AVR function 220V±10%) | ||||||
| Battery Model Output Frequency | 50HZ or 60HZ±1% | ||||||
| Battery Model Output Voltage | 220VAC±10% | ||||||
| Battery Model Output Wave | Pure sine wave | ||||||
| Battery Type | External lead-acid battery, Gel battery, water battery or Lithium battery | ||||||
| Battery Voltage | 24/48VDC | 48VDC | |||||
| Battery Charging Voltage | 27/54VDC | 54VDC | |||||
| Maximum PV Array Power | 24V: 1600W, 48V: 3200W | 6400W | |||||
| Solar Input Voltage Range | 24V: MPPT 30V-150VDC, 48V: MPPT 60V-150VDC | 48V: MPPT 60V-150VDC | |||||
| Maximum PV Open Circuit Voltage | 150VDC | ||||||
| Maximum Solar Charging Current | 60A | 120A | |||||
| Maximum AC Charge Current | 29A/15A | 35A/20A | 48A/24A | 29A | 38A | 48A | 60A |
| Transfer Time | ≤10ms (UPS) / ≤20ms (INV) | ||||||
| Load Peak Ratio | (MAX) 3:1 | ||||||
| Protective Function | Input overcurrent fuse (mains mode); Overload protection, short circuit protection, low voltage protection (inverter mode); Battery anti-reverse connection. | ||||||
| Operating Temperature | 0℃ to 40℃ | ||||||
| Storage Temperature | -15℃ to 45℃ | ||||||
| Relative Humidity | -10℃ to 90℃, no condensation | ||||||
| Noise | ≤45dB | ||||||
| Dimensions (L*W*H) | 512mm * 320mm * 136mm | ||||||
| Weight | 18KG (for 3kw model, varies by model) | ||||||
| Inverter Efficiency | 99.9% | ||||||
Image: Diagram showing the inverter dimensions (Length 512.0mm, Width 320.0mm, Height 136.0mm) and a detailed view of the control panel with its buttons and indicator lights.
8. Troubleshooting
This section provides guidance on common issues you might encounter. For more complex problems, please contact technical support.
- No Power Output: Check battery connections, AC input, and ensure the inverter is switched ON. Verify the input breaker is not tripped.
- Overload Protection: If the inverter beeps continuously and shuts down, reduce the connected load. The inverter will sound an alarm if the load exceeds 130% and shut down after 30 seconds, or immediately if over 150%.
- Low Battery Alarm: A long beep indicates low battery protection. Recharge the battery. A beep every second indicates low battery.
- Fault Indicator (Red LED): If the red FAULT LED is lit, refer to the specific fault codes displayed on the LCD (if any) and consult the full manual for detailed explanations and solutions.
- No Solar Charging: Check PV panel connections, ensure panels are receiving sunlight, and verify PV input voltage is within the specified MPPT range.
9. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your inverter.
- Cleaning: Periodically clean the exterior of the inverter with a dry cloth. Ensure ventilation openings are free from dust and debris.
- Connections: Annually check all electrical connections (battery, PV, AC input/output) for tightness and corrosion.
- Battery Maintenance: Follow the battery manufacturer's recommendations for maintenance.
- Environment: Ensure the installation environment remains within specified temperature and humidity ranges.
10. User Tips
- For optimal performance, ensure your battery bank is adequately sized for your power consumption and inverter capacity.
- Consider using the WiFi/GPRS communication module (optional) for remote monitoring of your solar system via the PVguarder APP or Web interface.
- When setting up, carefully choose the AC/solar charger priority based on your energy needs and grid availability to maximize efficiency.
11. Warranty and Support
The WHAYO VS Series Off-Grid Solar Inverter comes with a warranty of 3 years, with an option for 10 years (as per product specifications). For warranty claims, technical support, or service inquiries, please contact your vendor or the manufacturer directly.
For further assistance, you may contact the manufacturer via the provided contact information: WHATSAPP (+86 17352870921), Email: w17770950324@gmail.com.
12. Certifications and Application Scenarios
12.1 Certifications
This product has obtained the following certifications:
- CE
- TUV
- ISO9001
- ISO14001
Image: Collage of various product certifications including CE, TUV, and ISO standards, demonstrating compliance with international quality and safety regulations.
12.2 Application Scenarios
The WHAYO VS Series Inverter is suitable for a variety of off-grid applications, including:
Image: Icons depicting various application scenarios: House, Farm, Telecom, Countryside, Island, and Pasture, indicating the inverter's versatility for different environments.