1. Introduction
This user manual provides essential information for the safe and efficient operation, installation, and maintenance of your Loom Solar Fusion 3kW, 1Phase On-Grid Solar Inverter. Please read this manual thoroughly before installation and operation, and keep it for future reference.
Figure 1: Loom Solar Fusion 3kW On-Grid Solar Inverter, front view.
2. Safety Information
Safety is paramount when dealing with electrical equipment. Adhere to all local and national electrical codes. Only qualified personnel should perform installation and maintenance.
- Intelligent AFCI (Arc-fault Circuit Interrupter) Protection: The inverter is equipped with AFCI protection that cuts off DC arcs within 0.5 seconds to prevent potential fire hazards.
- AC/DC Surge Protection: Integrated lightning protection safeguards the inverter and connected systems from electrical surges.
- IP65 Protection: The inverter's robust design ensures it is dustproof, waterproof, and anti-salt fog, providing durability in various environmental conditions.
- Always disconnect all power sources (DC and AC) before performing any service or maintenance.
- Do not attempt to open or repair the inverter yourself. Refer to qualified service personnel.
Superior Safety
Surge Protection
3. Product Features
The Loom Solar Fusion 3kW On-Grid Solar Inverter is designed with advanced technology to provide reliable and efficient solar power conversion for residential applications.
- High Efficiency: Achieves an industry-leading conversion efficiency of 98% through advanced power electronics technologies.
- Remote Monitoring: Supports remote monitoring via GPRS/Wifi Kit, WLAN, and Ethernet, allowing you to track performance from anywhere.
- Wide MPPT Voltage Range: Features an extra-wide Maximum Power Point Tracking (MPPT) voltage range for optimized energy harvesting.
- Robust Design: Built to withstand extreme weather conditions including high temperatures, snow, sandstorms, and rain.
- Smart Design: Easy to install with an intuitive LED display for local monitoring.
Figure 2: Key features of the Loom Solar On-Grid Solar Inverter.
4. Setup and Installation
Installation of the Loom Solar Fusion inverter should only be performed by certified and qualified solar professionals. Improper installation can lead to equipment damage, personal injury, or voiding of warranty.
- Site Selection: Choose a well-ventilated area, protected from direct sunlight and excessive moisture. Ensure adequate clearance around the inverter for heat dissipation.
- Mounting: Securely mount the inverter to a sturdy wall or frame using appropriate hardware.
- Electrical Connections: Connect the DC input from the solar panels and the AC output to the grid according to the wiring diagram provided in the full installation guide (not included in this manual). Ensure all connections are tight and correctly polarized.
- Grounding: Properly ground the inverter as per local electrical codes.
5. Operating Instructions
Once installed and connected, the Loom Solar Fusion inverter operates largely automatically. It will convert DC power from your solar panels into AC power for your home and the grid.
- Initial Startup: After all connections are verified, switch on the DC isolator and then the AC breaker. The inverter will perform self-tests and begin operation.
- LED Display: The front panel features an LED display that provides real-time operational status, power output, and error codes. Refer to the full manual for a detailed explanation of display messages.
- Remote Monitoring: For detailed performance tracking, connect the inverter to your network using the GPRS/Wifi Kit, WLAN, or Ethernet. Download the Loom Solar mobile application to monitor your system remotely.
Figure 3: Remote monitoring via the Loom Solar mobile application.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your solar inverter.
- Cleaning: Periodically clean the inverter's exterior with a soft, dry cloth. Ensure ventilation openings are free from dust and debris. Do not use liquid cleaners.
- Visual Inspection: Regularly check for any visible damage to the casing, cables, or connections.
- Performance Monitoring: Utilize the remote monitoring system to track the inverter's performance and identify any anomalies early.
- Professional Check-up: It is recommended to have a qualified technician perform a comprehensive inspection and maintenance check annually.
7. Troubleshooting
This section provides general guidance for common issues. For complex problems, contact Loom Solar customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter not producing power | No sunlight, DC isolator off, AC breaker off, grid outage, error code displayed. | Check sunlight conditions. Ensure DC isolator and AC breaker are ON. Verify grid status. Check inverter display for error codes and consult the full manual. |
| Low power output | Partial shading on panels, dirty panels, suboptimal weather, system fault. | Clear any shading. Clean solar panels. Monitor weather conditions. If issue persists, contact support. |
| Error message on display | Internal fault, grid issue, connection problem. | Note down the error code. Refer to the detailed error code section in the comprehensive manual or contact Loom Solar support. |
8. Specifications
Detailed technical specifications for the Loom Solar Fusion 3kW On-Grid Solar Inverter.
Figure 4: Detailed technical specifications for Fusion 31 inverter.
| Attribute | Value |
|---|---|
| Manufacturer | LOOM SOLAR PVT. LTD. |
| Item Model Number | Fusion |
| Product Dimensions (L x W x H) | 28 x 18.5 x 31 cm |
| Item Weight | 6 kg |
| Net Quantity | 1 Count |
| Generic Name | Inverter |
| Brand | Loom Solar |
| Recommended Uses For Product | Home |
| Power Source | Solar Powered |
| Wattage | 3000 Watts |
| Model Name | Fusion 31 |
| Max. Input Power | 3000W + 10% |
| Max. DC I/P (Vdc) | 550V |
| Max. MPPT Voltage Range | 70-550V |
| Max. Input Current | 20A |
| Rated AC Power | 3000W |
| Rated Grid Frequency | 50Hz (±5%) |
| Rated Grid Voltage | 230V |
| Rated Output Current | 14.3 Amp |
| Power Factor | 0.8 |
| Ingress Protection | IP65 |
| Operating Ambient Temperature | -25°C ~ +65°C |
9. Warranty
The Loom Solar Fusion 3kW On-Grid Solar Inverter comes with a 5 Years Warranty, ensuring peace of mind and reliable performance.
To log a complaint or register your warranty, please visit the official Loom Solar warranty registration portal:
10. Support
For any technical assistance, queries, or support regarding your Loom Solar Fusion inverter, please contact us:
- Customer Support Contact: 8447921124
- Email: sales@loomsolar.com
- Website: www.loomsolar.com
- Manufacturer Address: LOOM SOLAR PVT. LTD., Plot no. 14/8, Mathura Road, Sector - 27B, Faridabad - 121003
