Inverter condensing unit uses variable-speed control to adjust compressor output based on the actual cooling load.
Instead of running at one fixed speed all the time, it changes capacity as room demand changes.
This helps the system keep room temperature more stable, reduce frequent start-stop cycles, and improve efficiency during part-load operation.
It works especially well in cold rooms with changing load, frequent door opening, day-night temperature swings, or strict temperature control needs.
Select models faster by temperature range, project type, and application.
Choose standard models for regular orders or OEM options for custom projects.
Adjust cooling output more smoothly under changing room load.
Improve operating efficiency when the cold room doesn’t run at full load.
Match local voltage, phase, and frequency for different export markets.
Handle hot climate projects with suitable high ambient systems.
Match the unit with room temperature, evaporator, and site condition more easily.
Fit the needs of distributors, installers, contractors, and project buyers.
Choose the right inverter condensing unit series by room temperature, cooling load, ambient condition, refrigerant, and project type.
A correct selection helps you balance temperature, energy performance, installation cost, and long-term service support.
For applications that need stable cooling in the 0°C to +15°C range.
| Model | HP | Room Temp | Refrigerant | Power Supply | Key Advantage | Suitable For |
|---|---|---|---|---|---|---|
| SWICDU2H | 2HP | +5°C to +15°C | R290/R404A | 220V/1Ph/50/60Hz | Compact size, low noise | Beverage room, flower room |
| SWICDU3H | 3HP | +2°C to +12°C | R290/R404A | 220V/1Ph/50/60Hz | Stable temperature control | Fresh food room, dairy room |
| SWICDU5H | 5HP | 0°C to +10°C | R290/R404A | 380V/3Ph/50/60Hz | Better part-load efficiency | Produce room, food prep room |
| SWICDU8H | 8HP | 0°C to +10°C | R290/R404A | 380V/3Ph/50/60Hz | Stronger cooling for larger rooms | Processing room, commercial storage |
| SWICDU10H | 10HP | 0°C to +8°C | R290/R404A | 380V/3Ph/50/60Hz | Good for long daily operation | Large fresh storage projects |
Basic Parameters
Model Range: Inverter condensing unit models
Compressor Series: Inverter rotary / scroll compressor
Horsepower Range: 2HP to 10HP
Evaporating Temperature: +5°C to -10°C
Application Temperature: High temperature
Room Temperature Range: 0°C to +15°C
Ambient Temperature: Up to +43°C, high ambient option available
Voltage: 220V / 380V
Power Supply: 1Ph / 3Ph, 50Hz / 60Hz
Refrigerants: R290a / R404A / R448A / R449A
Installation Type: Floor mounted / outdoor
Unit Type: Air cooled inverter condensing unit
Condenser Type: Air cooled finned coil condenser
Control Option: LED digital controller
Defrost Matching: Electric defrost or Hot gas defrost
Dimensions: Depend on compressor HP and condenser size
Basic Parameters
Model Range: Inverter condensing unit models
Compressor Series: Inverter rotary / scroll compressor
Horsepower Range: 2HP to 12HP
Evaporating Temperature: 0°C to -20°C
Application Temperature: Medium temperature
Room Temperature Range: -10°C to +5°C
Ambient Temperature: Up to +43°C, high ambient option available
Voltage: 220V / 380V
Power Supply: 1Ph / 3Ph, 50Hz / 60Hz
Refrigerants: R290a / R404A / R448A / R449A
Installation Type: Outdoor
Unit Type: Air cooled inverter condensing unit
Condenser Type: Air cooled finned coil condenser
Control Option: LED digital controller
Defrost Matching: Electric defrost or hot gas defrost
Dimensions: Depend on compressor HP and condenser size
For freezer rooms and frozen storage in the -18°C to -25°C range.
Basic Parameters
Model Range: Inverter condensing unit models
Compressor Series: Inverter scroll compressor
Horsepower Range: 3HP to 15HP
Evaporating Temperature: -15°C to -35°C
Application Temperature: Low temperature
Room Temperature Range: -18°C to -25°C
Ambient Temperature: Up to +43°C, high ambient option available
Voltage: 380V / 415V / 460V
Power Supply: 3Ph, 50Hz / 60Hz
Refrigerants: R404A / R507 / R448A / R449A
Installation Type: Outdoor
Unit Type: Air cooled inverter condensing unit
Condenser Type: Air cooled finned coil condenser
Control Option: LED digital controller
Defrost Matching: Electric defrost or hot gas defrost
Dimensions: Depend on compressor HP and condenser size
For buyers who need custom system and project, brand labeling, or project-based design.
Basic Parameters
Model Range: OEM inverter condensing unit models
Compressor Series: Inverter piston/scroll compressor
Horsepower Range: 3HP to 15HP
Evaporating Temperature: +5°C to -35°C
Application Temperature: High / medium / low temperature
Room Temperature Range: Custom
Ambient Temperature: Up to +43°C, high ambient option available
Voltage: 220V / 380V / 415V / 460V
Power Supply: 1Ph / 3Ph, 50Hz / 60Hz
Refrigerants: R290a / R404A / R448A / R449A
Installation Type: Floor mounted
Unit Type: Air cooled inverter condensing unit
Condenser Type: Air cooled finned coil condenser
Control Option: LED digital controller
Defrost Matching: Electric defrost or hot gas defrost
Dimensions: Depend on compressor HP and condenser size
By Room Temperature
Chiller Room: 0°C to +10°C, for produce, dairy, beverages, and fresh storage
Freezer Room: -18°C to -15°C, for frozen food, meat, and seafood
Deep Freezer Room: -25°C to -35°C, for deep frozen products and long-term low-temperature storage
By Cooling Method
Air-Cooled: easy installation, practical for most standard cold room projects
Water-Cooled: better fit for hot climates and indoor mechanical rooms
Evaporative Type: stronger heat rejection for larger and more demanding projects
By Structure
Open Type (Semi-hermetic): easier service access for project installations
Box Type: compact cabinet design for outdoor use and better protection
Compact Outdoor Type: space-saving layout for standard cold room applications
By Refrigerant
R404A: for many low-temperature and replacement applications
R448A / R449A: for compliance-focused and retrofit projects
Other Options: available for selected markets and project needs
By Buyer Type
For Distributors: standard models, OEM branding, spare parts planning
For Installers: easier matching, wiring, and commissioning
For Contractors: flexible project configuration and technical support
For OEM Buyers: stable specification, custom labeling, and repeat production
Inverter condensing unit can save max 50% energy and cooling time, most suitable for voltage un-stable area, never damage compressor
Condensing Unit Inverter Board
Custom Display Board
Superior Inverter Drive Board
Custom Inverter Main Board
Sight Glass
Filter Dryer
Oil Separator
Danfoss TXV Valve
| Design | Values |
|---|---|
| High efficiency oil separator and precise oil return capillary | Reduce the amount of compressor refrigerant oil entering the refrigeration system in-order-to improve refrigeration efficiency, avoid oil-deficient operation, ensure lifetime of compressor and protect compressor safety |
| Dual electronic expansion valve | Fast adjustment response, precise storage temperature control, and high temperature protection to ensure compressor optimal operating state |
| Gas-Liquid Separator | Avoid liquid refrigerant entering the compression chamber and damage compressor when the ambient temperature and cold storage temperature are low |
| High-precision sensor | Adapt different working conditions of high or low temperature or different items stored, with temperature control accuracy of ±0.5℃ |
| High and low pressure sensor | Monitor compressor operation to effectively avoid compressor overload while ensuring the optimal compressor and refrigeration status under any conditions, and adaptively adjust the compressor and motor speed operating parameters according to the refrigerant evaporation efficiency |
| CFD air duct design 480㎜ diameter fan | Low noise, large air volume, high heat exchange efficiency |
| Brushless DC Motor with Stepless Speed Control | More energy-saving, more precise load control of the inverter unit, automatic adjustment of the speed according to load demand to ensure optimal condensing efficiency and increase cooling capacity |
| Display board can customize your company information | Customize the information based on your demand, help customers improve their market visibility, and make potential customers easier to find your company information |
| Special low back pressure (LBP) low temperature inverter compressor | High compression ratio can ensure durability, and guarantee the whole unit durable and stable under high ambient temperature and low storage temperature or low ambient temperature and low storage temperature conditions |
| Diaphragm single-way check valve design | When cold room reaches the set temperature, prevent refrigerant in the condenser flowing back into compressor and causing liquid slug to damage the compressor when it starts again |
To get a fast and accurate quotation, please share the following project information:
| Information Needed | What the Customer Should Provide | Why It Matters |
|---|---|---|
| Room Size | Length, width, and height of the cold room | We use this to estimate the cooling load and select a suitable capacity model. |
| Room Temperature | Target room temperature, such as +5°C, -18°C, or -25°C | This helps us choose the right series and operating range. |
| Product Type | What the room will store, such as vegetables, meat, seafood, dairy, or frozen food | Different products need different storage conditions and cooling demand. |
| Ambient Temperature | Local outdoor temperature or summer design temperature, for example, some Middle east countries max outdoor temp +50°C in summer | This helps us confirm condenser performance and model suitability. |
| Power Supply | Voltage, phase, and frequency, such as 220V/1Ph 50/60Hz or 380V/3Ph 50/60Hz | We need this to match the unit with local electrical standards. |
| Refrigerant Requirement | Preferred refrigerant, if any, such as R290, R404A, R448A, R507, or R449A | This helps us match local regulations and project requirements. |
| Installation Location | Indoor or outdoor installation, and project country or region | This affects unit configuration, protection level, and market requirements. |
| Application Type | New project, replacement project, distributor order, or OEM order | This helps us recommend the right configuration and support scope. |
| Evaporator Information | Existing evaporator model or required matching, if available | This helps us check system compatibility and avoid mismatch. |
| Special Requirements | High ambient option, anti-corrosion coating, custom branding, special voltage, or controller requirement, etc | This helps us prepare a more accurate quotation and solution. |
Please send us your room size, room temperature, product type, ambient temperature, power supply, and installation condition. If you have drawings or BOQ (Bill of Quantity), you can send them with your inquiry. Our team can recommend a suitable series and model based on your project.
High temp series usually fits applications from 0°C to +15°C. Medium temp series usually fits applications from -10°C to +5°C. Low temp series usually fits freezer room applications from -18°C to -25°C. If you are not sure which series fits your project, send us your room temperature and use case.
Yes. Inverter condensing units can work well in freezer room applications when the model matches the required room temperature, refrigerant, and cooling load. Low temp series usually suits frozen food, meat, and seafood storage projects.
Not in every project. Energy performance depends on room insulation, evaporator selection, ambient condition, control setting, door opening frequency, and daily load changes. Inverter units usually show more value in projects with variable load and long daily running hours.
Yes. We can select a matching solution based on evaporator model, room temperature, refrigerant, and project condition. This helps reduce capacity mismatch and supports more stable system performance.
Yes, in many cases. But we need to check refrigerant, room temperature, evaporator model, piping condition, power supply, and cooling capacity first. A replacement project needs full system matching, not only compressor HP matching.
We support common export power supply options such as 220V, 380V, 415V, and 460V, with 1Ph or 3Ph, 50Hz or 60Hz, depend on the model and project requirement. If your market uses a special power standard, please tell us before order confirmation.
Yes. We can offer units for hot climate projects and high ambient (＞+45°C) outdoor installation. Please send your local ambient temperature, room temperature, and installation location before quotation.
Yes. We can support OEM branding, nameplate, packaging, voltage, refrigerant, structure type, and other project-based configurations. This option fits distributors, contractors, and customers with repeat orders or non-standard project requirements.
Please send your room size, target room temperature, product type, ambient temperature, power supply, refrigerant requirement, and installation location. If you already have drawings, BOQ, or evaporator information, please include them in your inquiry. Clear project information helps us recommend the right model and prepare a faster quotation.
Send us your project details, and our team will recommend a suitable model and quotation.
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