Hunter Solar Panel Plus SP150 User Manual

The Hunter Solar Panel Plus SP150 is a 150W monocrystalline solar panel designed for residential and light commercial use, featuring high-efficiency cells, durable tempered glass, IP67 waterproof rating, corrosion-resistant aluminum frame, pre-drilled mounting holes, MC4 connectors, bypass diodes for partial shading, and a 25-year linear power output warranty. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Monocrystalline solar cells, tempered glass surface, aluminum frame, junction box with MC4 connectors, bypass diodes.

Installation

Unpack and inspect contents. Ensure mounting surface is stable and oriented for optimal sun exposure.

1. Choose location: Select area with maximum sunlight, minimal shading throughout day.
2. Mount panel: Use provided brackets or compatible mounting system; secure with bolts through pre-drilled holes.
3. Ground the panel: Connect grounding wire to frame grounding point for safety.
4. Connect panels: Use MC4 connectors to link panels in series or parallel as per system design.
5. Connect to charge controller/inverter: Route cables from panel array to system components.

WARNING! Do not install during inclement weather. Use proper personal protective equipment (PPE). Ensure all electrical connections are made with system powered off.

First-Time Setup

After physical installation, configure your solar power system.

1. Verify orientation: Panel should face true south (Northern Hemisphere) at optimal tilt angle for your latitude.
2. Check connections: Ensure all MC4 connectors are fully seated and weatherproof seals are intact.
3. Connect to system: Wire panel output to charge controller or inverter input terminals.
4. Power on: Turn on charge controller/inverter and monitor for initial voltage/current reading.
5. System check: Confirm no error lights on connected devices and that power generation is within expected range.

CAUTION! The panel produces voltage whenever exposed to light, even if not connected to a load. Handle with care.

Specifications

• Model: Hunter Solar Panel Plus SP150.
• Maximum Power (Pmax): 150W.
• Open Circuit Voltage (Voc): 22.5V.
• Short Circuit Current (Isc): 8.9A.
• Maximum Power Voltage (Vmp): 18.5V.
• Maximum Power Current (Imp): 8.1A.
• Power Tolerance: 0 ~ +3%.
• Maximum System Voltage: 1000V DC (UL).
• Operating Temperature: -40°F to 185°F (-40°C to 85°C).
• Warranty: 25-year linear power output, 10-year product workmanship.

Controls and Settings

The panel itself has no user controls. System performance is managed through the connected charge controller or inverter.

Charge Controller Settings (typical): Battery type (AGM, Gel, Lithium, etc.), charging voltage setpoints, load control timers.

Inverter Settings (typical): Output voltage (120VAC), frequency (60Hz), grid-tie settings if applicable.

Monitoring: Many systems include digital displays or Bluetooth apps to view real-time power, voltage, current, and daily energy production.

Connecting Devices

Connecting to charge controllers, inverters, or other panels.

1. Series Connection: Connect positive (+) of one panel to negative (-) of next. Increases voltage.
2. Parallel Connection: Connect all positives together and all negatives together. Increases current.
3. To Charge Controller: Connect final positive/negative from array to controller's PV input terminals.
4. To Inverter: For grid-tie systems, connect array to inverter's DC input.

Tip: Always use cables and connectors rated for outdoor use and the system's maximum current and voltage.

Monitoring Performance

Regular monitoring ensures optimal energy harvest.

1. Daily Check: Observe system display/app for power output during peak sun hours.
2. Compare to Expected: Output should be roughly proportional to sunlight intensity.
3. Log Data: Note daily kWh production to track seasonal variations and detect drops.
4. Visual Inspection: Periodically check for physical damage, dirt accumulation, or shading from new obstructions.
5. Annual Professional Inspection: Recommended for electrical safety and connection integrity.

WARNING! Do not attempt to measure current or voltage by probing live MC4 connectors. Use the monitoring system or a qualified technician.

Safety Features

Bypass Diodes: Integrated to allow current flow around shaded or faulty cells, preventing hot spots and fire risk. Frame Grounding: Dedicated point for safety grounding to protect against lightning and fault currents. IP67 Rating: Protects electrical components from dust and temporary immersion in water.

Care & Cleaning

For optimal performance, keep panel surface clean.

1. Frequency: Clean as needed, typically 2-4 times per year depending on environment.
2. Method: Use soft cloth or sponge with mild soap and water. Rinse thoroughly with clean water.
3. Time: Clean early morning or evening when panel is cool to avoid thermal shock.

CAUTION! Do not use abrasive materials, harsh chemicals, or high-pressure water jets. Do not walk on the panel.

Regulatory Information

Certified to UL 1703 standard for safety. Complies with relevant FCC regulations for unintentional radiators. Copyright © 2025 Hunter Renewable Energy; trademarks of Hunter Group, Inc. For technical support and warranty claims, visit www.hunterrenewable.com/support or contact 1-800-555-0123.

Troubleshooting

Reset: Power cycle the entire system (panels -> controller/inverter) if safe to do so.

Service: 1-800-555-0123; www.hunterrenewable.com/support