SR258 User Manual- this Shuangri solar controller provides smart temperature control, pump management, and safety protection for efficient solar hot water systems. Ideal for residential and commercial applications.

 

SR258 Solar Controller Key Points:

Designed for pressurized and non-pressurized solar water heating systems
Precise temperature control and real-time monitoring
Compatible with electric backup heating and pump circulation
Supports multiple sensor inputs for safety and efficiency
Easy installation with user-friendly interface

SR258 Main Features:

Intelligent Temperature Control – Automatically regulates water temperature.
Multiple Protection Functions – Overheat protection, freezing protection, tank full detection.
Backup Heating Support – Can activate electric heater when sunlight is insufficient.
Real-Time Display – LCD screen shows temperature, time, pump status, and system working mode.
Energy-Saving Operation – Optimizes pump running time to reduce power consumption.
Flexible Settings – Customizable parameters for different solar water heating systems.

 

SR258 Applications

Residential solar water heating systems
Commercial solar hot water projects (hotels, hospitals, apartments)
Swimming pool solar heating
Solar-assisted heat pump systems
Industrial hot water usage

 

FAQ – SR258 Solar Controller

1. What type of system is SR258 suitable for?

It works with both pressurized and non-pressurized solar water heater systems, including circulation pump systems.

2. Does it support backup electric heating?

Yes, it can automatically activate electric heating when solar energy is insufficient.

3. What protections are included?

Overheat protection, freeze protection, sensor fault detection, and dry heating prevention.

4. Can I adjust temperature settings?

Yes, all parameters such as tank temperature, start/stop temperature, and pump settings are adjustable.

5. Is installation complicated?

No, it is easy to install and comes with clear wiring instructions in the user manual.