PD20 Series Smart Pro Pump Drive
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PD20 series smart pro pump drive has an IP65 rated enclosure, providing excellent dustproof and waterproof performance. It is possible to be mounted on various types of pump motor junction boxes and compatible with a broad range of pressure sensors. Our smart pro pump drive is featured by high reliability, low noise level, stable performance as well as easy operation. The expansion RS485 interface can be configured independently from standard RS485 interface, preventing affect to each other. Coupled with independent RTC, this system is capable of accomplishing multi-pump control for both the main and auxiliary pumps.
Power range
- 220V single-phase input: 0.75-2.2kW
- 380V three-phase input: 0.75-18.5kW
Features
- Superior protection
Excellent dustproof and waterproof performance
Perfect fitting, lightweight and stable operation - CE certified
Designed in accordance with international standard certificate requirements
Supporting export to worldwide - Improved water supply function
Two RS485 communication interfaces, suitable for monitoring multiple pump operation
RTC function, time-based and programmable
Completely activating various functions of the pump - Europe introduced design concept
Deliberate design represents exceptional quality
Precise processing provides high reliability - Wide range of applications
Non-negative pressure water supply system
Secondary pressure-boosting water supply system
Water treatment, circulating water system
Air conditioning cold and hot water system
Small water supply system for villa
Specifications
| Control Features | Control Mode | V/F Control |
| Startup Torque | 1Hz 100% | |
| Speed Adjustment Range | 1:20 | |
| Speed Accuracy | ±1.0% | |
| Overload Ability | 20% Rated current 60s, 150% rated current 1s | |
| V/F curve | Straight line；quadratic curve | |
| Acceleration and Deceleration Time | Acceleration and deceleration time range：0.1-800s | |
| Input and Output Features | Input Voltage Range | 220V/380V±15% Single Phase 220V/Three Phase 380V±15% |
| Input Frequency Range | 50/60Hz±5% | |
| Output Voltage Range | Three phase 0-rated input voltage | |
| Output Frequency Range | 0~50/60Hz | |
| Outer Port Features | Programable Digital Input | 2-way digital input terminals |
| Communication Ports | Standardly equipped with 1-way sheilded RS 485, can be extended with another way of RS 485 | |
| Programable Analog Input | 2-way, can be set as current/voltage input by parameter settings; input voltage range: 0-10V; input current range: 0/4-20mA | |
| Analog Power Supply | Dual power supply: 4-13V (adjustable)/24V | |
| Relay Output | 1-way output, programable | |
| Open Collector Output | 1-way output, programable | |
| Analog Output | Reversed | |
| Basic Functional Features | Operation Command Route | 4 Routes: 1. Keypad control; 2. Digital input terminal control; 3. Communication control; 4. Water inlet pressure control |
| Built-in Clock | Built-in RTC for LCD keypad series | |
| PID Built-in PID | Advanced PID calculation, convenient to realize close-loop control | |
| Host-auxiliary online system | Can be extended to dual RS 485 communication; A driver can be set as the host in the system to control the work of other auxiliary drivers by communication (up to 5 auxiliary drivers). The host sends PID feedback to the auxiliary drivers and detects the state of them in real time. If there is an error, it will automatically skip this auxiliary driver, you can set a backup host. The host can communicate with the upper machine at the same time without being affected; The auxiliary drivers can also communicate with other devices at the same time. | |
| AVR Function | Can automatically keep the output voltage stable when grid voltage fluctuates; This function is invalid when gird voltage decreases as factory setting. | |
| Stall Control | Automatically limit output current and voltage during running, to prevent frequent overcurrent and overvoltage trips | |
| User Password Setting | A 4-digit password can be set, which is a non-zero number; after setting, exit the password setting interface, it will take effect after 1 minute | |
| Parameter Lockup Function | Define whether the parameters are locked under running or stop state to prevent misoperation | |
| Pump control functions | Automatic Energy Saving Running | Automatically lower output voltage at light load to achieve energy saving |
| Automatically Startup when Powered on | Optional: automatically startup when powered on, or startup delay | |
| Antifreeze Function | Antifreeze operation selection, frequency, time, period | |
| Water Leak Detection | Optimizing dormancy control by water leakage detection coefficient | |
| Water Supply Protection | High Pressure Warning | Detect the feedback pressure and protect the pipe network |
| Low Pressure Warning | Detect the feedback pressure and protect the pipe network & pump | |
| Dry Run Protection | There are a variety of dry run protection detection methods (including sensorless methods). When the driver detects that the water pressure of the pipe network is lower than the dry run pressure, the system automatically stops working, and after a set time, it automatically restarts a specified number of times, if water pressure recovers to normal, the system enters the normal working state, otherwise, the system automatically shuts down to prevent the pump from idling in the absence of water, and extend the service life of the pump to the greatest extent. | |
| Application Environment | Altitude | Less than 1000m, derating above 1000m, 1% per 100m |
| Environment Temperature | -10 ℃ ～ ± 40 ℃, 40 ℃ -50 ℃ derating, 4% per 1 ℃ | |
| Vibration | < 5.9/S2(0.6G) | |
| Storage Temperature | -40℃~ 70℃ | |
| Installation Environment | Being dust and splash proof, the product is installed in a place not exposed to direct sunlight. Note: Although this product has a high grade of protection, it is not an explosion-proof product, and is not allowed to immerse in water. |
Application of PD20 Pump Drive in a Public Bath Center
The public bath center in Jixi city is a large-scale leisure facility that integrates bathing, accommodation and catering, where a large amount of water is required. Under this condition, they required frequency conversion constant pressure water supply system to realize automatic operation on the basis of power and water saving. Taking into account the difference in the amount of water required in different functional areas, we have designed a suitable solution tailored to their frequency conversion drive application.
Features
- The VFD has a splash-proof enclosure and easy for wiring, which can be directly mounted on the back side of pump, eliminating the installation of the VFD inside the control cabinet and greatly saving space and cost.
- Each variable frequency pump is operated independently, the pressure can be adjusted and freely set.
- The system can be operated automatically after being powered on, it eliminates the need for professional electrician and significantly saves labor costs.
- It is featured by stable pressure, high uniformity of cold and hot water, providing customers with comfortable experience.
Diagram
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