BF-450T four-cycle timed water feeding controller for water tank can be widely used in various applications requiring timed water feeding.
The current content of the water tank can be measured in real time with AT35-7-U6 five-stage water level sensor. Users are allowed to sett up four time segments (i.e., cycles) as well as the full water level (0%, 30%, 50%, 80%, 100%) for each defined cycle.The control is able to control the water tank to reach the respective full water level in each working cycle. For example, according to the water consumption in different time segments every day, the water level can be set as 100% in the daytime and 50% in the midnight.
The control also features other functions, such as protection against dry heating in case of water-shortage, forced water feeding at low water level and manual water feeding.
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-set AT35-7-U6 water level sensor input
Once-channel NO contact water feeding control output, two-channel ant-dry heating contact output
Display time and water level (in percentage)
Able to control the heating operation by setting up 4 cycles every day
Able to adjust the full water level for each water feeding cycle
Protect against dry heating in case of water-shortage
Memory protection after power failure
Packing List of Product |
1. Main unit 2. 1 x AT35-7 water level sensing wire kit 3. User instructions 4. M29 water level pinboard 5. Waterproof cover 6. Mounting bracket |
Overall Dimensions (mm) |
58 (L) × 78 (W) × 85 (T) |
Installation and Dimensions (mm) |
Window-mounted, opening size: 51 (L) ×71 (W) |
Weight |
Net weight: 0.442 Kg Gross weight: 0. 597 Kg |
Power Supply and Consumption Power |
AC (80～240)V, 2W |
Operating Conditions |
-10℃~ 50℃ |
Display Mode |
LED digital display |
Keys |
Push-type membrane keys |
Input |
AT35-7-U6 water level sensing wire input |
Output |
1. One-channel relay NO/NC contact water feeding output, two-channel NO contact output (anti-dry heating control). 2. Current capacity of each channel 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. |
Timing Range |
00:00～23:59 |
Measurement Range |
0%, 30%, 50%, 80%, 100% |
Setting Range |
0%, 30%, 50%, 80%, 100% |
Control Range |
0%, 30%, 50%, 80%, 100% |
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 |
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