BF-215B+ is mainly used to control hot water circulation, water return systems, etc.
The controller enables intelligent detection of the temperature difference between a [high temperature (HT) point (e.g., heat collector)] and a [low temperature (LT) point (e.g., water tank)]. Once the [temperature difference] reaches the user's preset value, the relay output will be automatically activated to control [circulation pumps] and other loads for cooling and heating circulation of HT and LT media to minimize the temperature difference between the HT and LT temperature zones (temperature difference).
BF-215B+ supports activation only in case of positive temperature difference. No output will be activated if the temperature difference is a negative value.
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.
（产品已申请专利，仿冒必究）
| 产品包装清单 | 1.主机 2.NTC(240K)温度传感线两条 3.说明书 4.固定支架 |
| 外观尺寸(mm) | 58(长)×78(宽)×85(厚) |
| 安装及尺寸(mm) | 窗式安装，开口尺寸为：51(长)×71(宽) |
| 重量 |
净重：0.251Kg 毛重：0.320Kg |
| 工作电源及消耗功率 | AC(80～240)V，2W |
| 使用环境 | -10℃～50℃ |
| 显示方式 | LED数码显示 |
| 按键 | 按压式薄膜按键 |
| 输入 | 两路240K NTC 热敏电阻温度传感器输入，测量范围-20～120℃ |
| 输出 |
1.一路继电器常开、常闭触点输出，控制温差循环 2.输出触点电流容量为阻性负载6安培，感性负载1安培。 可控制1000W的电加热或者200W的电机或水泵，更大负载需用交流接触器扩容 |
| 测量范围 | -99～120℃ |
| 设置范围 | 0～60℃ |
| 控制范围 | 0～60℃ |
| 其它参数 | 1.温度传感器信号线可长距离用普通导线延长使用，有效范围100米。 2.设置参数掉电长期保持记忆 3.控温回差在0℃～30℃。 |
（产品已申请专利，仿冒必究）
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