36V Household Permanent Magnet Hot Water Circulation Pump Controller

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Product Description & Features：

Speed Adjustment Function:
- 3-speed adjustment / Stepless speed adjustment (Press the adjustment button to cycle through three preset speeds; default setting is maximum speed).
Manual Start/Stop Function:
- Press and hold the start/stop button for 2 seconds to turn on/off.
- Auto-switch to automatic mode after 5 seconds if no water flow is detected.
Auto Start/Stop Function:
- Hall switch-controlled start/stop.
- Automatically activates when water flow ≥21L/min (reaches full speed within 3 seconds).
- Shuts down within 5 seconds after closing the faucet, with noise-reduced deceleration stopping.
Dry-Run Protection:
- Stops within 5 seconds if inlet water is insufficient to prevent dry running.
- Slow deceleration shutdown with low-speed LED flashing alert.
Under/Over Voltage Protection:
- Stops if voltage deviates by ±10% from rated value; resumes automatically when voltage normalizes.
- Medium-speed LED flashes during protection.
Motor Lock Protection:
- Stops after 5 seconds of motor lock; restarts automatically after 30 seconds (repeats up to 3 times before full shutdown).
- High-speed LED flashes until issue is resolved.
Auto Restart After Power Failure:
- Automatically resumes operation in auto mode after power restoration.
Memory Function:
- Retains last settings after power interruption.

Control for Household Permanent Magnet Hot Water Circulation Pump

Compatibility: Works with various heaters: gas water heaters, boilers/wall-mounted heaters, electric heaters, air-source heaters, solar heaters.
Energy-Saving Protection Technology:
- Auto-detection and one-touch rapid heating.
- Auto-shutdown to prevent overheating in pipelines.
Smart Low-Noise Water Control:
- Quiet operation with intelligent flow control, reducing cavitation noise.
3rd-Generation Permanent Magnet Motor:
- Compact design with enhanced performance.