Packaging Details
- Unit Type: piece
- Package Weight: 0.450kg (0.99lb.)
- Package Size: 13cm x 13cm x 13cm (5.12in x 5.12in x 5.12in)
Features:
BF-8805A fixed temperature controller, Sheung Shui, there are temperature control, constant temperature control functions in Sheung Shui. High-definition LED display module integration, high precision temperature control, anti-interference ability, can set the heating temperature and temperature parameters fixed temperature in Sheung Shui freedom, constant temperature can be used in solar boiler feedwater and constant temperature in Sheung Shui and so on.
The main function:
1. Temperature Display: LED digital high-definition, real-time display the actual temperature measured by the temperature sensor.
2. Water level display: five water column show that when the tank water level equal to 100% display 100% when 80% ≤ tank level <100%, indicating that 80%, and so on.
4. The heating temperature settings: You can set the heating temperature and the heating temperature return difference.
5. Sheung Shui fixed temperature settings: You can set the temperature constant temperature and constant temperature in Sheung Shui Sheung Shui hysteresis temperature value.
6. Fixed temperature Sheung Shui: When [water temperature] ≥ [Sheung Shui temperature setting], open the solenoid valve in Sheung Shui, the hot water into the tank, when [water temperature] <[Sheung Shui temperature setting - setting Sheung Shui hysteresis temperature], close the solenoid valve in Sheung Shui, so that water in the hot water are required by the user.
7. Auxiliary heating: When the [water temperature] <[heating temperature - set the heating temperature hysteresis], start the auxiliary heating, the heating temperature reaches the temperature setting.
8. Panel set [manual heating] and [manual Sheung Shui] button, is not satisfied with the condition of heating and Sheung Shui into press [manual heating] key and [manual Sheung Shui] key row forced heating and forced Sheung Shui.
9. Power-down protection: If the user for a long time useless or unexpected power failure, the controller can maintain the original settings unchanged, and so when the user re-use or calls, the controller can continue to work in accordance with the original set parameters.
10. Temperature deviation: The measured temperature value and the actual value when the temperature deviation correction function can be used to correct temperature deviation.
Two outputs:
[Way] Temperature control output - ac contactor control [electrical heating]; this output with anti-dry function, when the water in the tank, break the circuit, stop heating.
[Road] output level control - then [solenoid valve] Sheung Shui control action.
Specifications:
voltage
220VAC / 50Hz; Power consumption: 220VAC <4W.
physical dimension
55x75x85 (mm)
Mounting
Window Installation
Opening dimensions
51 (broad) mmx71 (H) mm
Weight (kg)
Plus line 0.62kg / Taiwan, without line 0.45kg / Taiwan.
display
Chinese integrated bright digital, graphic display.
Temperature measurement range
0 ~ 99
Temperature range
20 ~ 99 Accuracy: ± 1
Temperature range fixed temperature in Sheung Shui
10 ~ 80
Temperature return difference setting range
1 ~ 10
Level measurement range
0%, 30%, 50%, 80%, 100% gear: five-speed
Full water level control
30%, 50%, 80%, 100%
Temperature deviation correcting value range
-10 ~ + 10
input signal
A group of NTC temperature sensor, a water level sensor (five per group)
Output Control
All the way to lose control of electric heating base, Sheung Road output control solenoid valve, resistive load contact capacity AC220V, 6A.
Power off memory protection
When a power failure, the controller can keep the set value unchanged.
Wiring diagram:
With application examples (there are about level measurement wiring on two product brochures, user selectable):
1. fixed temperature heat pump applications in Sheung Shui
(One output idle) Road, Sheung Shui, water pump control: When the [T temperature] ≥ [T constant temperature], the output control Road, Sheung Shui, water pump, water heater in the hot water storage tank to spare; when [T temperature when] <[T -T constant temperature hysteresis], output Road closed to stop the pump Sheung Shui. So repeated cycles until the tank level reaches [T filled with water (full water level)], close the pump.
2. The application of solar energy constant temperature in Sheung Shui
(One output idle) Road Sheung Shui solenoid valve control output: When [T temperature] ≥ [T constant temperature], the output is on Road Sheung Shui solenoid valve, cold water enters the collector plate after hot water into the top of the tank standby; when [T temperature] <[T -T constant temperature hysteresis], output Road closed, Sheung Shui solenoid valve stops. So repeated cycles until the tank level reaches [T filled with water (full water level)], close all output devices.
3. Application of the boiler fixed temperature in Sheung Shui
The way to control auxiliary heating:
When [T temperature] <[T heating -T backlash], all the way to the output control burner heating; When [T temperature] ≥ [T heating], one output closed, burner heating was stopped. (Usually the [T heated] set at 90 )
Road, Sheung Shui, water pump control:
When [T temperature] ≥ [T constant temperature], the output control Sheung Road pump, boiler hot water to the storage tank spare; when [T temperature] <[T -T constant temperature hysteresis], Road output off, stop the pump automatically starts Sheung Shui and burner heating.
So repeated cycles until the tank level reaches [T filled with water (full water level)], close all output devices.
In addition (application example) as shown using the occasion, there are many other uses and purposes, according to the actual needs flexibility.
Brand BESFUL Model BF-8805A
Type of intelligent temperature control regulator Measuring range 0 ~ 99 ()
Measurement error -10 ~ + 10 () the opening size 51x71 (mm)
Installation type window mounted output signal 6000 (mA)
Operating voltage 220 (V) Dimensions 55x75x85 (mm)
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