BF-HS50 water return controller is specially designed to control water return in pipelines, which can be triggered either by temperature or by water flow switch.
[Working Principle]:
(1) If triggered by temperature, the water return operation will be activated as long as the temperature is lower than the set value, provided the cycle time (00:00～23:59 (min:sec)) elapses, and will last for the delay time (00:05 ~ 30:00 (min:sec)) before it is deactivated.
(2) If triggered by water flow switch, the water return operation will be activated once the water flow switch is actuated and will last for the delay time (00:05 ~ 30:00) before it is deactivated.HS50 features a pipeline anti-freeze circulation function, which can effectively prevent pipelines from freezing.Thanks to the wide range of rated power supply, the controller is able to ensure stable, reliable and durable operation by adapting to AC80V～240V power supply.
One-channel 240K NTC temperature sensor input, one-channel water flow switch input
One-channel NO/NC contact output
Temperature display
Set up cycle to detect water return
Adjustable water return delay time
Adjustable water return temperature
Anti-freeze circulation
Memory protection after power failure
Packing List of Product |
1. Main unit 2. 1 x NTC (240K) temperature sensing wire 3. User instructions 4. Mounting bracket |
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Overall Dimensions (mm) |
58 (L) × 78 (W) × 85 (T) |
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Installation and Dimensions (mm) |
Window-mounted, opening size: 51 (L) ×71 (W) |
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Weight | Net weight: 0.240 Kg Gross weight: 0.305 Kg | |||
Power Supply and Consumption Power | AC (80～240)V, 2W |
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Operating Conditions |
-10℃ ~ 50℃ |
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Display Mode |
LED digital display |
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Keys |
Push-type membrane keys |
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Input |
Two-channel (240K) NTC thermistor temperature sensor input, measurement range: -20 ℃～120 ℃ |
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Output |
1. One-channel relay NO/NC contact temperature control outputs; two-channel relay NO/NC contact temperature difference circulation outputs 2. Current capacity of each output contact: 6 A (resistive load) and 1 A (inductive load) Able to control a 1000W electric heater or a 200W motor or water pump. AC contactor required for capacity expansion in case of larger load. |
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Measurement Range |
Display range of measurement in HT zone: 0～120 ℃ Display range of measurement in LT zone: 0～99 ℃ |
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Setting Range |
Range of temperature control value: upper limit 0～90 ℃, lower limit 0～90 ℃ Range of temperature difference value: upper limit 2～30 ℃, lower limit 1～30 ℃ |
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Control Range |
Range of temperature control value: upper limit 0～90 ℃, lower limit 0～90 ℃ Range of temperature difference value: upper limit 2～30 ℃, lower limit 1～30 ℃ |
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Other Parameters |
1. Temperature sensing wire can be extended by 100 m with ordinary wire for long-distance connection 2. Memorize the set parameter for a long time after power failure 3. Setting range of anti-freeze activation temperature: -4～6 ℃ 4. Setting range of anti-freeze deactivation temperature: 0～10 ℃ 5. Setting range of water return delay time: 00:05～30:00 (min:sec) |
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