SWH-1 smart solar heating controller with Bluetooth, temperature and light sensing visualization

SWH-1

First generation

Smart solar heating controller

Differential thermostat

More hot water from the sun

Automatically controls the solar system’s circulation pump, helping make the most of the sun’s heat to warm water.

Bluetooth
BUILT FOR THE ROOFTOP

Control for a central solar hot-water system.

SWH-1 is designed for systems with a circulation pump and multiple solar collectors. The controller is installed directly near the equipment and is designed for continuous outdoor operation.

☀ Central solar system ↻ Pump control ◉ IP56
HOW IT WORKS

Uses heat when it is actually available.

SWH-1 evaluates conditions in the solar system and automatically starts circulation when heat can be transferred to the water. When heating is no longer effective, circulation stops — without constant user involvement.

Solar collectors heat up
SWH-1 evaluates temperature
Circulation starts when useful
CONTROL AND PROTECTION
Two temperature sensors, a light sensor and a current sensor allow SWH-1 to monitor the system, detect key faults and report them to the smartphone app.
OUTDOOR OPERATION
The controller is designed for demanding outdoor conditions and has IP56 protection.
Special features:

System management and monitoring

Pump control

  • Suitable for motors with a rated voltage of 220–240 V AC. For the maximum motor power, see the SWH-1 versions table.

Day and night detection

  • Controlling the time of day using a light sensor (when using a light sensor);

Water presence monitoring

Motor monitoring

  • Monitoring the startup time period and the current startup process: has protections such as overload protection, overcurrent protection, underload protection (when using a current sensor);
  • Identifying a blown fuse (when using a current sensor);

Protection and reliability

  • Determination of sensor malfunction. Missing, short circuit;
  • Anti-freeze system available;
  • Smart mode - monitors the device's performance. If temperature sensors malfunction, it can operate with one or even without them. “SWH-1” will always remain operational.

Setup and installation

  • Safety, excellent quality and versatility;
  • Convenient setup and control via an smartphone app;
  • The SWH-1 is easy to connect (by a specialist who has access to work with high voltage electrical appliances)
All functions in detail

Technical specifications:

  • SWH-1 operates on AC power 220 - 245V 50-60Hz;
  • Operating temperature -20°C to +70°C;
  • Humidity Range Up to 95%;
  • Protection degree IP56;
  • Sensor operating temperature -20°C to +100°C (water temperature);
  • Dimensions 150mm x 110mm x 70mm

SWH-1 versions

SWH-1 versionMaximum motor powerFuse
12 A0.75 kWT5A — 5 A, Slow-blow
20 A1.2 kWT8A — 8 A, Slow-blow

Use the specified time-delay (T) fuse for your SWH-1 version when replacing it. The 12 A and 20 A version ratings are not the permitted continuous motor currents.

To the description of sensors
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