The INVT GD270-355-4 is a high-capacity Fan and Pump Inverter specifically engineered for variable torque loads such as industrial fans and water pumps.As a dedicated Water Pump Inverter Drive,it focuses on energy efficiency,stable motor control,and long-term reliability in continuous-duty applications.
Designed as part of INVT’s GD270 series,this inverter is optimized for HVAC systems,municipal water supply,industrial pumping stations,and large-scale ventilation systems.By combining advanced V/F control algorithms,pump-specific protection functions,and intelligent energy-saving logic,the GD270-355-4 helps operators significantly reduce energy consumption while maintaining stable system pressure and flow.
Rather than positioning itself as a general-purpose VFD,the GD270-355-4 targets real-world fan and pump applications where simplicity,efficiency,and durability matter more than overly complex motion control features.
Understanding Fan and Pump Inverters in Industrial Systems
What Is a Fan and Pump Inverter?
A Fan and Pump Inverter is a variable frequency drive designed specifically for variable torque loads.Unlike constant-torque applications such as conveyors or extruders,fans and pumps require torque that varies with speed,following the affinity laws.
A Water Pump Inverter Drive adjusts motor speed based on real-time demand,enabling precise control of pressure,flow rate,and energy usage.This approach replaces traditional throttling methods(valves or dampers),which waste energy and increase mechanical wear.
Why Fan and Pump-Specific Design Matters
Using a general-purpose inverter in fan or pump systems often leads to:
Inefficient energy usage
Unnecessary complexity
Poor low-speed stability
Increased risk of cavitation or pipeline stress
The GD270 series addresses these issues by embedding:
Dedicated pump and fan control logic
Sleep and wake-up functions
Pipe burst detection
Dry-run protection
Intelligent PID regulation
These features make fan and pump inverters essential components in modern energy-efficient industrial and building systems.
Common Industry Applications
HVAC ventilation and exhaust systems
Cooling towers and circulation pumps
Municipal water supply and drainage
Industrial process water systems
Agricultural irrigation pumping
Fire-fighting and booster pump systems
Design Philosophy of the INVT GD270-355-4
The GD270-355-4 reflects INVT’s design focus on application-driven simplicity and robustness,rather than unnecessary functional complexity.
Power and Capacity Orientation
As a high-power model within the GD270 series,the GD270-355-4 is designed for large-capacity motors typically used in:
Central air conditioning systems
Large industrial water pumps
High-volume ventilation equipment
Its control architecture ensures stable operation under fluctuating load conditions,which are common in real-world fan and pump environments.
Control Strategy Optimized for Fan and Pump Loads
Instead of emphasizing vector precision for dynamic motion,this Water Pump Inverter Drive focuses on:
Smooth acceleration and deceleration
Reduced hydraulic shock
Stable low-frequency operation
High efficiency in partial-load conditions
This makes it ideal for systems running long hours at variable speeds.
Built-In Energy Optimization
The GD270-355-4 continuously optimizes motor excitation based on load conditions,reducing:
Reactive power consumption
Motor heating
Overall energy loss
For facilities operating pumps or fans 24/7,these savings translate directly into lower operating costs and faster ROI.
Key Functional Features for Fan and Pump Systems
Intelligent PID Control
Integrated PID functionality allows the inverter to regulate:
Water pressure
Airflow volume
Liquid level
By directly receiving feedback from sensors,the GD270-355-4 can maintain stable system performance without external controllers.
Multi-Pump Control Support
In water supply and circulation systems,the inverter can coordinate with multiple pumps:
One inverter driving multiple motors
Automatic pump switching
Balanced operating hours
This enhances system redundancy and extends equipment lifespan.
Pump Protection Mechanisms
The inverter includes application-specific protections such as:
Dry-run protection
Pipe burst detection
Overpressure prevention
Anti-cavitation logic
These functions significantly reduce maintenance risk and unplanned downtime.
Soft Start and Reduced Mechanical Stress
Compared with direct-on-line starting,the GD270-355-4:
Reduces inrush current
Minimizes pipe shock
Extends pump and valve life
This is particularly valuable in aging infrastructure or large piping networks.
Typical Application Scenarios
Industrial Water Pumping Systems
In manufacturing plants,the GD270-355-4 is widely used for:
Cooling water circulation
Process water delivery
Wastewater handling
Its ability to adapt speed to demand improves energy efficiency and operational stability.
HVAC and Building Automation
As a Fan and Pump Inverter,the GD270-355-4 plays a central role in:
Chilled water pumps
Cooling towers
Air handling unit fans
It integrates easily into building management systems,supporting modern energy-saving strategies.
Municipal and Infrastructure Projects
For municipal water supply and drainage systems,reliability is critical.The GD270-355-4 offers:
Long-term stable operation
High environmental adaptability
Simplified maintenance
These traits make it suitable for continuous-duty public infrastructure.
Agricultural and Irrigation Systems
In large-scale irrigation,variable flow demand is common.This Water Pump Inverter Drive enables:
Demand-based water delivery
Reduced power consumption
Improved pump longevity
Selection and System Integration Considerations
Matching Inverter Capacity to Motor and Load
When selecting the GD270-355-4,users should consider:
Motor rated power and current
Pump or fan load characteristics
Operating duty cycle
Correct sizing ensures optimal efficiency and avoids unnecessary oversizing.
Environmental and Installation Factors
For high-power fan and pump inverters:
Adequate ventilation is essential
Electrical cabinet design must support heat dissipation
Input/output filtering may be required in sensitive environments
Control System Compatibility
The GD270-355-4 integrates easily with:
PLC systems
Pressure and flow sensors
Remote monitoring solutions
This flexibility supports both new installations and retrofit projects.
Long-Term Operational Value
Choosing a dedicated fan and pump inverter reduces:
Energy consumption
Mechanical wear
Maintenance costs
Over time,this results in improved system stability and lower total cost of ownership.
FAQ–Frequently Asked Customer Questions
1.Why choose a fan and pump inverter instead of a general-purpose VFD?
A Fan and Pump Inverter like the GD270-355-4 is optimized for variable torque loads.It includes built-in control logic and protection features specifically designed for fans and water pumps.General-purpose VFDs often lack these functions or require external controllers,increasing system complexity.
Additionally,fan and pump inverters deliver higher energy efficiency under partial-load conditions,which is where most pump and fan systems operate.This leads to lower electricity costs and longer equipment life.
2.How does the GD270-355-4 improve energy efficiency in pump systems?
The Water Pump Inverter Drive adjusts motor speed to match real-time demand rather than running at full speed continuously.This approach follows pump affinity laws,where even small speed reductions lead to significant energy savings.
By integrating PID control and automatic energy optimization,the GD270-355-4 minimizes unnecessary power consumption while maintaining stable pressure or flow.
3.Is the GD270-355-4 suitable for continuous 24/7 operation?
Yes.The inverter is designed for continuous-duty industrial environments.Its thermal design,protection functions,and conservative power ratings support long-term stable operation in applications such as municipal water supply and industrial circulation systems.
Proper installation and cooling further ensure reliability in 24/7 use cases.
4.Can this inverter control multiple pumps?
Yes.The GD270-355-4 supports multi-pump control strategies,allowing one inverter to manage several pumps through automatic switching or sequencing.This is particularly useful in booster pump stations and water distribution systems.
This approach improves redundancy,balances pump usage,and reduces overall system wear.
5.What industries benefit most from the GD270-355-4?
Industries that rely heavily on fan or pump systems benefit most,including:
HVAC and building automation
Water and wastewater treatment
Industrial manufacturing
Agriculture and irrigation
Municipal infrastructure
Any application requiring reliable,energy-efficient control of fans or pumps is a strong fit for this inverter.
FAQ
1.Who are We?
Beijing Zhongping Technology Co., LTD., is a one-stop integrated service provider of intelligent manufacturing, belongs to the Gong Doctor Group, is a scientific research, design, marketing, technical services, industrial Internet, international import and export services as one of the science and technology companies.
2.What can you buy from us?
PLC, inverter, human-machine interface, hydraulic products, low-voltage power distribution, industrial robots and core components
3.Is the item in stock or need to be purchased from another supplier?
We have a large inventory of goods and have our own warehouse.
4.What advantages do we have over other suppliers?
Our company has a large amount of inventory and a number of warehouses, but also in the country's important industrial provinces and cities with offices and a number of overseas service points. To provide you with intelligent manufacturing one-stop comprehensive services, save efforts, labor and cost.
5.Can you provide 100% new original authentic products?
We only sell new original genuine, no renovation, no fake, only for the original factory original!
6.How long is the delivery time?
If there is a stock, it will take 2-3 working days to ship, if the quantity is large, it will take 5-7 working days after receiving the payment, if it is not a conventional model, it will take some time, we will inform you of the specific delivery time.
7.Is there technical support available?
Of course, we have a professional technical team that can help you solve technical problems.
8.How do we guarantee quality?
We have three processes to control the quality of goods.
1). Our engineers will inspect the production and quality control in the factory regularly.
2) Incoming materials shall be inspected by experienced purchasing engineers before they can be stored.
3). At least 2 people in the logistics department cross-check the goods to be sent before delivery.
9.Can you guarantee the safe and reliable delivery of your products?
Yes, we strictly adopt the international standard packing. We also use special packaging for dangerous goods, and refrigerated shipping for items with temperature requirements. Special item packaging and general cargo standard packaging requirements may incur additional costs.
10.How about the freight?
The cost depends on how you choose to get the goods. Express is usually the fastest but also the most expensive way. Sea freight is the best solution for large quantities of goods. The exact shipping cost depends on the purchase amount、quantity and weight of your order. Please feel free to contact us for more information.
+86 010-64225983
+8613811814778
info@zhongpingtech.com
Building 26, Liyuan Community, Chaoyang District, Beijing, China
