WERCHTAY 1773

WERCHTAY 200W Bifacial Solar Panel Kit (Model 1773) User Manual

Your guide to installation, operation, and maintenance.

1. Important Safety Information

Read all safety instructions before installing or operating the solar panel kit. Failure to follow these instructions may result in electric shock, fire, or serious injury.

  • Electrical Safety: Solar panels generate electricity when exposed to light. Always handle wiring with care. Ensure all connections are secure and properly insulated.
  • Installation: Installation should be performed by qualified personnel. Wear appropriate personal protective equipment (PPE), including gloves and eye protection.
  • Handling: Solar panels are heavy and fragile. Handle with care to prevent damage to the glass or frame. Avoid dropping or striking the panel.
  • Wiring: Ensure correct polarity when connecting the solar panel to the charge controller and battery. Reverse polarity can damage components.
  • Environment: Do not install panels in areas prone to excessive shading, as this can reduce efficiency and potentially damage cells.
  • Maintenance: Disconnect all power sources before performing any maintenance or cleaning.

2. Product Overview

The WERCHTAY 200W Bifacial Solar Panel Kit is designed for efficient power generation in various off-grid applications. It features high-efficiency monocrystalline cells and a dual-glass design to capture sunlight from both sides, maximizing energy yield.

WERCHTAY 200W Bifacial Solar Panel Kit

Figure 2.1: WERCHTAY 200W Bifacial Solar Panel Kit components.

Key Features:

  • Bifacial Technology: Captures direct sunlight on the front and reflected light on the back, increasing total energy yield.
  • High Efficiency: Grade A+ monocrystalline cells with PERC, half-cut cell, and 18-busbar technology for up to 25% conversion efficiency.
  • Smart 10A PWM Charge Controller: Features 4-stage charging (Bulk, Boost, Float, Equalization) and built-in protections. Includes dual USB-A (5V/2A) and USB-C ports.
  • Durable Construction: Corrosion-resistant aluminum alloy frame and tempered glass, designed to withstand high wind (2400Pa) and snow loads (5400Pa).
  • Complete Kit: Includes solar panels, PWM controller, Z-shaped mounting brackets, solar cables with MC4 connectors, and battery cables.
Bifacial Solar Panel generating power from both sides

Figure 2.2: Illustration of bifacial solar panel technology, capturing light from both sides for enhanced power generation.

Grade A+ Solar Cell performance day and night

Figure 2.3: Grade A+ solar cells provide high conversion rates, ensuring efficient energy capture.

Solar panel withstanding various weather conditions including snow and wind

Figure 2.4: The solar panel is designed to withstand harsh weather conditions, including high wind and snow loads.

3. Package Contents

Verify that all components listed below are included in your package:

Diagram showing all items included in the solar panel kit box

Figure 3.1: Contents of the WERCHTAY 200W Solar Panel Kit.

  • 100W Bifacial Solar Panel(s) (Totaling 200W for the kit)
  • 10A PWM Charge Controller
  • Z-shaped Mounting Brackets
  • 16.7ft 12AWG Solar Cables with MC4 Connectors (Pair)
  • 4.92ft 12AWG Battery Cables (Pair)

4. Setup and Installation

Proper installation is crucial for optimal performance and safety. Follow these steps carefully.

4.1 General Installation Guidelines

  • Choose a location for your solar panel(s) that receives maximum direct sunlight throughout the day, free from shading.
  • Ensure the mounting surface is strong enough to support the weight of the panel(s) and withstand wind loads.
  • Mount the charge controller in a dry, well-ventilated area, close to the battery.
  • Always connect the battery to the charge controller first, then the solar panel(s). Disconnect in reverse order.

4.2 Wiring Connection Procedure

Watch this video for a visual guide on connecting your solar panel system:

Video 4.1: Step-by-step guide on connecting the 200W solar panel system, including the charge controller and battery.

Step-by-step wiring:

  1. Connect the battery cables to the charge controller's battery terminals (positive to positive, negative to negative).
  2. Connect the battery cables to your 12V/24V battery (positive to positive, negative to negative).
  3. Connect the solar panel cables (MC4 connectors) to the charge controller's solar panel terminals (positive to positive, negative to negative).
  4. Ensure all connections are tight and secure.

4.3 System Wiring Diagrams

Refer to the diagrams below for typical 12V and 24V system configurations.

12V and 24V solar panel system wiring diagrams

Figure 4.2: Wiring diagrams for 12V and 24V solar panel systems, showing connections between panels, controller, and batteries.

4.4 Physical Installation

Use the provided Z-shaped mounting brackets to secure the solar panel(s) to your desired surface. The panel frame includes pre-drilled holes for easy installation.

Workers installing solar panels on a structure

Figure 4.3: Example of solar panel installation on various structures.

Close-up of solar panel features: IP67 junction box, MC4 connectors, pre-drilled holes, and aluminum frame

Figure 4.4: Detailed view of the solar panel's IP67 waterproof junction box, MC4 connectors, pre-drilled mounting holes, and corrosion-resistant aluminum alloy frame.

5. Operating Instructions

Once installed, the solar panel system will automatically begin charging your battery when exposed to sunlight. The PWM charge controller manages the charging process.

5.1 Charge Controller Operation

  • The controller's display will show battery voltage, charging current, and other system parameters.
  • Use the buttons on the controller to navigate through display modes and adjust settings if necessary (refer to the controller's specific manual for advanced settings).
  • The dual USB-A and USB-C ports can be used to directly charge compatible devices.

For a general overview of the bifacial solar panel in various applications, watch this video:

Video 5.1: Overview of the WERCHTAY 200W Bifacial Solar Panel, showcasing its features and suitability for homes, camping, and RV use.

Solar panels installed on an RV, boat, and residential roof

Figure 5.1: The solar panel kit is suitable for a wide range of applications, including RVs, boats, and residential off-grid systems.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your solar panel kit.

  • Cleaning: Periodically clean the surface of the solar panels with a soft cloth and water to remove dust, dirt, and debris. Avoid abrasive materials or harsh chemicals.
  • Inspection: Regularly inspect all wiring and connections for signs of wear, corrosion, or damage. Ensure all connections remain tight.
  • Shading: Trim any vegetation that may grow and cause shading on the solar panels.
  • Controller: Ensure the charge controller is free from dust and moisture. Check its display for any error codes.

7. Troubleshooting

If you encounter issues with your solar panel kit, refer to the table below for common problems and solutions.

ProblemPossible CauseSolution
No power output from panelNo sunlight, panel shaded, dirty panel, faulty wiring, damaged panelEnsure direct sunlight, remove shading, clean panel, check connections, inspect for damage
Battery not chargingIncorrect wiring, faulty charge controller, discharged battery, insufficient sunlightVerify wiring polarity, check controller status, allow sufficient charging time, test battery health
Charge controller display offNo power from battery or solar panel, loose connectionsCheck battery and solar panel connections, ensure battery has sufficient charge
Low charging currentPartial shading, dirty panel, cloudy weather, incorrect panel angleRemove shading, clean panel, adjust panel angle for optimal sun exposure

8. Specifications

Detailed technical specifications for the WERCHTAY 200W Bifacial Solar Panel Kit.

FeatureSpecification
BrandWERCHTAY
Model Number1773
Maximum Power200 Watts (Kit Total)
EfficiencyUp to 25% Conversion
MaterialAluminum, Monocrystalline Silicon, Tempered Glass
Product Dimensions (L x W x H)18.11" x 1.2" x 39.76" (per panel)
Item Weight12 Pounds (per panel)
Amperage Capacity5.13 Amps
Maximum Voltage19.5 Volts
Upper Temperature Rating55 Degrees Celsius
Charge Controller10A PWM with Dual USB (USB-A, USB-C)
Waterproof RatingIP67 (Connectors), IP68 (Junction Box)

9. Warranty and Support

WERCHTAY products are designed for reliability and performance. For warranty information and technical support, please refer to the contact details below.

Customer support representative offering assistance

Figure 9.1: WERCHTAY customer support is available to assist with product inquiries and issues.

Customer Support:

For assistance with your WERCHTAY solar panel kit, including technical support, warranty claims, or general inquiries, please contact our customer service team. We aim to provide a response within 24 hours.

Please retain your purchase receipt for warranty purposes.

© 2026 WERCHTAY. All rights reserved.

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