1. Introduction
Thank you for choosing the SUMRY NMS Series Hybrid Solar Inverter. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your inverter. Please read this manual thoroughly before installation and operation, and keep it for future reference.
The NMS series is a pure sine wave solar inverter with a built-in MPPT solar charger, designed to provide reliable power for various applications, from personal computers to home appliances. It prioritizes solar energy for direct load supply, optimizing energy usage.
2. Key Features
Image: Banner indicating product features.
- Pure sine wave solar inverter output.
- Integrated 40A MPPT solar charger.
- Wide PV input voltage range: 20-150VDC (for 1000W model), 30-150VDC (for 1500W model).
- Built-in anti-dust kit for enhanced durability in harsh environments.
- Smart battery charge design to optimize battery life and performance.
- Configurable to meet diverse customized demands.
- Prioritizes solar energy to directly supply the load.
3. Product Overview
Figure 3.1: Front view of the NMS Series Inverter, showing the display and control buttons.
Figure 3.2: Side view of the NMS Series Inverter, highlighting ventilation.
Figure 3.3: Angled view of the NMS Series Inverter.
Figure 3.4: Rear view of the NMS Series Inverter, detailing AC input/output, battery, and PV input terminals, along with the input breaker.
4. Technical Specifications
Image: Banner indicating technical parameters.
| Parameter | NMS-1000-12 | NMS-1500-24 |
|---|---|---|
| Rated Power | 1000W/1000VA | 1500W/1500VA |
| AC Input | ||
| Voltage | 230VAC | |
| Selectable Voltage Range | 170-280VAC (For Personal Computers) / 90-280VAC (For Home Appliances) | |
| Frequency Range | 50Hz/60Hz (Auto sensing) | |
| AC Output | ||
| AC Voltage Regulation | 230VAC ±5% | |
| Surge Power | 2000VA | 3000VA |
| Efficiency (Peak) PV to INV | 98% | |
| Efficiency (Peak) Battery to INV | 94% | |
| Transfer Time | 10ms | |
| Output Wave Form | Pure Sine Wave | |
| Battery | ||
| Battery Voltage | 12V | 24V |
| Floating Charge Voltage | 13.5V | 27V |
| Overcharge Protection | 16V | 32V |
| Solar Charger & AC Charger | ||
| Solar Charger Type | MPPT | |
| Maximum PV Array Power | 600W | 1200W |
| MPPT Range @ Operating Voltage | 20-150VDC | 30-150VDC |
| Maximum PV Array Open Circuit Voltage | 150VDC | |
| Maximum Solar Charge Current | 40A | |
| Maximum AC Charge Current | 40A | |
| Maximum Charging Current (Solar+AC) | 80A | |
| Physical & Environmental | ||
| Dimension, D*W*H (mm) | 290*240*91 | |
| Carton Dimension D*W*H (mm) | 340*295*145 | |
| Net Weight (kgs) | 3 | 3.5 |
| Gross Weight (kgs) | 3.5 | 4 |
| Operating Temperature | -10℃ to 50℃ | |
| Humidity | 5%-95% Relative Humidity (Non-condensing) | |
| Certificate | CE | |
5. Installation and Setup
5.1 Safety Precautions
- Ensure all power sources are disconnected before installation.
- Installation should be performed by qualified personnel.
- Mount the inverter in a well-ventilated area, away from flammable materials and direct sunlight.
- Maintain adequate clearance around the inverter for proper airflow.
5.2 Mounting the Inverter
- Choose a vertical surface strong enough to support the inverter's weight.
- Use appropriate screws and anchors for secure mounting.
5.3 Wiring Connections
Refer to Figure 3.4 (Rear View with Connections) for terminal locations.
- Battery Connection: Connect the battery cables to the BATTERY terminals (+ and -). Ensure correct polarity.
- PV Input Connection: Connect the solar panel array cables to the PV IN terminals (+ and -). Verify correct polarity and ensure PV array voltage is within the specified MPPT range.
- AC Input Connection: Connect the utility grid AC power to the AC IN (L, N) terminals.
- AC Output Connection: Connect your loads to the AC OUT (L, N) terminals.
- Grounding: Ensure the inverter is properly grounded using the designated grounding terminal.
Warning: Incorrect wiring can cause damage to the inverter, batteries, or connected appliances, and poses a risk of electric shock. Always double-check all connections before applying power.
6. Operation
6.1 Powering On/Off
- To Power On: After all connections are secure, switch on the battery breaker, then the PV array breaker (if applicable), and finally the AC input breaker. Press and hold the power button on the inverter's front panel until the display illuminates.
- To Power Off: First, disconnect the AC input by switching off its breaker. Then, disconnect the PV array by switching off its breaker. Finally, disconnect the battery by switching off its breaker. Press and hold the power button on the inverter until the display turns off.
6.2 LCD Display and Settings
The LCD display provides real-time operational status, input/output voltages, battery status, and error codes. Use the control buttons (typically 'Up', 'Down', 'Enter', 'Esc') to navigate through menus and adjust settings such as:
- Output source priority (Solar first, Utility first, Battery first).
- Charging source priority (Solar only, Solar and Utility).
- Battery type and charging parameters.
- AC input voltage range (UPS mode or Appliance mode).
Refer to the detailed instructions in the full product manual for specific menu navigation and parameter adjustments.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your inverter.
- Cleaning: Periodically clean the inverter's exterior and ventilation openings to prevent dust accumulation. Use a dry, soft cloth. Do not use liquid cleaners.
- Connection Checks: Annually inspect all wiring connections (PV, battery, AC input/output) for tightness and signs of corrosion. Tighten any loose connections.
- Battery Inspection: Regularly check battery terminals for corrosion and ensure proper ventilation around batteries. Follow battery manufacturer's maintenance guidelines.
- Environmental Check: Ensure the installation environment remains within specified temperature and humidity ranges.
Caution: Before performing any maintenance, ensure the inverter is completely powered off and disconnected from all power sources.
8. Troubleshooting
This section outlines common issues and potential solutions. For complex problems, contact technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter does not turn on | No battery connection or low battery voltage. | Check battery connections and ensure battery voltage is above the minimum operating level. |
| No AC output | Overload, short circuit, or inverter in fault mode. | Reduce load, check for short circuits, restart the inverter. Check display for error codes. |
| Battery not charging from PV | PV input voltage too low/high, incorrect PV connection, or MPPT fault. | Verify PV array voltage is within MPPT range, check PV connections, ensure no shading on panels. |
| Battery not charging from AC | AC input not present, AC input breaker tripped, or charger setting incorrect. | Check AC input power, reset AC input breaker, verify AC charger settings on the inverter. |
| Inverter makes unusual noise | Overload, loose components, or internal fan issue. | Reduce load. If noise persists or is excessive, power off and contact support. |
9. User Tips
- Optimize Solar Priority: For maximum energy independence, configure the inverter to prioritize solar power for loads and battery charging.
- Monitor Battery Health: Regularly check your battery's state of charge and voltage. Proper battery care extends its lifespan.
- Ventilation is Key: Ensure the inverter's cooling fins and vents are always clear of obstructions to prevent overheating.
- Load Management: Avoid consistently running the inverter at its maximum rated power to prolong its operational life.
10. Warranty and Support
10.1 Warranty Information
This SUMRY NMS Series Hybrid Solar Inverter comes with a 1-year warranty from the date of purchase. The warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by improper installation, misuse, accidents, unauthorized modifications, or natural disasters.
10.2 Technical Support
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact your vendor or the SUMRY customer support team. When contacting support, please have your inverter model number (NMS-1000-12 or NMS-1500-24) and purchase details ready.
You may also reach out to the seller, Shop1105324778 Store, for assistance.
