T9000-BF Series IP66-rated Vector Control Inverter
Product Introduction
- It supports an AC voltage range of 220V to 480V, with both V/F control and vector control available.
- Capable of controlling AC induction motors and permanent magnet motors.
- Ingress Protection: IP66 (waterproof & dust-tight)
- Motor-mounted inverter design with compact structure, allowing easy installation, wiring and commissioning, and saving space, cost and time.
- Integrated design eliminates interference and leakage current problems caused by long output cables, reducing installation costs.
- Equipped with built-in PID algorithm, supporting direct variable-frequency constant pressure control and dry-run protection.
- The control panel is equipped with a forward/reverse knob, a potentiometer and a power switch, which simplifies installation, wiring and operation.
- Multiple starting modes: terminal switch control, communication control, auto-start on power-up, configurable via parameters.
- Comprehensive protection: short circuit, phase loss, undervoltage, overvoltage, overload, overcurrent, overheating.
- Built-in C3 EMC filter; STO (Safe Torque Off) function.
- Multiple communication options: Modbus RS485 standard, Profinet optional.
- Optional extension cards: DI/DO, AI/AO, relay output, etc.
Process Description
| Function | Description | Display |
| Pump-add | PA.03=0, Direct action: When the operating frequency is higher than or equal to the pump-add frequency PA.51, the feedback value is lower than the set value, and the duration exceeds the pump-add time PA.52, the current pump will switch to mains operation, and the next pump will start running in inverter mode. PA.03=1, Reverse action: When the operating frequency is higher than or equal to the pump-add frequency PA.51 and the duration exceeds the pump-add time PA.52, the current pump will switch to mains operation, and the next pump will start running in inverter mode. | - |
| Pump reduction | PA.03=0, Direct action: When the operating frequency ≤ pump-reduction frequency PA.53, the feedback value > 95% of the set value, and the duration exceeds pump-reduction time PA.54, the first connected mains-operated pump shall be stopped according to the first-in first-out (FIFO) principle. PA.03=1, Reverse action: When the operating frequency ≤ pump-reduction frequency PA.53, the feedback value < 110% of the set value, and the duration exceeds pump-reduction time PA.54, the first connected mains-operated pump shall be stopped according to the first-in first-out (FIFO) principle. | - |
| Pump switching | During the operation of a variable-speed pump, if the duration reaches pump switching time FA.55 and an idle variable-speed pump exists, the system will switch to the next pump for inverter operation. | - |
| Auto-start on power-up | Auto-start on power-up (PA.38): PA.38 = 0: Auto-start on power-up disabled. Default value of PA.38 is 0. | - |
| Pressure Setting and Display | FA.02 Target Value Setting: 0: Target pressure set by PA.04, adjustable via UP and DOWN keys. | - |
| Terminal Pump Shutdown Function | Multifunctional Terminal Pump Shutdown Function: 51: Pump 1 disabled 52: Pump 2 disabled 53: Pump 3 disabled 54: Pump 4 disabled When the corresponding input terminal is closed: 1：If the pump is operating at mains frequency, the motor will be disconnected immediately. 2：If the pump is operating in inverter mode and an idle pump is available, the pump switching sequence will start immediately. 3：If the pump is operating in inverter mode and no idle pump is available, the mains-operated pump will stop; after a time delay, it will switch to inverter operation. | - |
| PID Sleep Function | 1：When the target pressure is reached, the operating frequency is below the sleep frequency PA.29, and the duration exceeds the sleep time PA.30, the frequency will drop to 0 and enter sleep mode with “SLP” displayed. 2：When the operating frequency is above the sleep frequency PA.29 and the frequency is running stably, the inverter can intelligently detect this condition and also enter sleep mode. Relevant parameters: PA.45~PA.48. 3：When the frequency is above PA.49, sleep judgment is disabled. 4：Sleep mode is only activated when one variable-speed pump is running. | SLP |
| PID Wake-up Function | PA03=0, Direct action: During sleep mode, when the pressure drops below (Set pressure – PA.31), the inverter will wake up and the PID will start operating. PA03=1, Reverse action: During sleep mode, when the feedback value rises above (Set pressure + PA.31), the inverter will wake up and the PID will start operating | - |
| Anti-freeze Function | When PA.41 = 1, during sleep mode, if the duration exceeds PA.42, the inverter will run at frequency PA.44 for a period of PA.43. | - |
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