| Task: | Program |
|---|---|
| Structure: | Closed-Loop |
| Mathematical Model: | Linear |
| Signal: | Continuous |
| Function: | Automatic Control, Protection, Monitoring, Measurement |
| Certification: | CCC, ISO: 9001, CE |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 
| Type | A2 | ||||
| Model | A2-4KW | A2-7.5KW | A2-11KW | A2-15KW | A2-18.5KW |
| Rated Power | 0.75-4KW | 1.1-7.5KW | 1.1-11KW | 2.2-15KW | 3-18.5KW |
| Rated Input Voltage | 380V+10%/50Hz or 60Hz | ||||
| Qty.of Controlled Pump | Two pumps | ||||
| Display | LCD display | ||||
| Signal Transmission Mode | Level float switch Level probe Pressure switch Electric contact pressure gauge |
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| Water Level Indication | High/Middle/Low | ||||
| Max.Control Distance | ≤2000m without strong electric and electromagnetic fields | ||||
| Over/under-voltage Range | 304V-456V(adjustable) | ||||
| Main Functions | 1,Pressure control: electric contact pressure gauge or pressure switch 2,Water level control: probe or float switch 3,Multifunction display - visualization of: voltage, motor current, upper/lower tank status and alarms 4,Upper tank for water supply control and lower tank for drainage control 5,Operation mode: AUTO/MANUAL switch 6,Fault indication: fault tracking,last 10 fault reason display,audio/light alarms. 7,Anti-rust protection,long-term non-use of the pump,15 days to start once. 8,Setting protection current for motor overload/no-load,no-load delay restart time adjustable. 9,Automatic restart when voltage comes to normal rating after over-voltage/under-voltage protection. 10,Automatic restart after power failure recovery. 11,Time setting ON/OFF 12,Push button for adjustments and set up from display 13,Restore factory setting: press both "Overload" and "NO-Load"for 3 seconds. 14,Automatic re-starting pump from dry run,restart time range 0-720 minutes adjustable. |
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| Working temperature Working humidity Install position |
-20ºC-- +80ºC 20%--90%RH, no drips concreted Wall mounting |
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| Product Size | 400x300x190mm | ||||
| Package | Box size:41.5x34x23cm Carton size:71x49.5x43cm PCS/CTN:4 |
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Parameter Setting and Instruction
P01--Over-load protection current setting
P02--No-load protection current setting
P03--Time setting ON
P04--Time Setting OFF
P05--Restart time setting after no-load protection
P06--Dual pump alternation time setting
P07--Over-voltage protection setting
P08--Under-voltage protection setting
P09--LCD backlight OFF time setting
P12--No load protection trip delay time setting
P13--Overload protection trip delay time setting
Dual Pump Operation Mode
One duty one standby
Dual pump alternation in shifts
Automatic dual pump mutual exchange in faults
Dual pump simultaneous start
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