Define the load
Provide both source and load water temperatures, seasonal ambient conditions and the required heating or cooling duty.
Temperature Control
Low-Temperature Air-Source Heat Pumps
Extend air-source temperature-control capability to cold-weather aquaculture applications.
- Series / configuration
- NXFR-C
- Required offer data
- Capacity and power at the specified low ambient
- Brochure distinction
- Different series quote different ambient limits
View image Technical information
Specifications
Figures below are transcribed from the stated brochure, where available. Confirm the selected model, conditions and scope in the final technical offer.
| Item | Documented information |
|---|---|
| Required offer data | Capacity and power at the specified low ambient |
| Brochure distinction | Different series quote different ambient limits |
Source: 汇鑫能源科技有限公司.pdf p. 22. Brochure information; final scope is agreed in the technical offer.
Specialist brochure schedule
NXFR nominal performance
Series-specific brochure ratings. Final model and design-point performance require confirmation.
| Model | Heating capacity (kW) | Heating input (kW) | Cooling capacity (kW) | Cooling input (kW) |
|---|---|---|---|---|
| NXFR-40C | 38 | 11.2 | 31 | 11.1 |
| NXFR-80C | 77 | 22.8 | 62 | 22.2 |
| NXFR-90C | 84 | 24.4 | 66 | 23.5 |
| NXFR-180C | 168 | 48.9 | 132 | 47.6 |
Source: 养殖专用海水源热泵机组简介.pdf p. 7. Heating: outdoor air 7°C / outlet water 45°C. Cooling: outdoor air 35°C / outlet water 7°C. Electrical supply: 380 V / 3 Ph / 50 Hz. Do not use this nominal point as the winter design-point capacity.
Equipment selection guide
Prepare the selection brief
Confirm the interfaces
Agree piping or service connections, electrical supply, control interfaces, installation access and the routine cleaning method.
Agree the scope
Specify the included equipment, optional configurations, commissioning tasks, acceptance conditions and documentation required.
Operating principle
How it works
A low-temperature refrigerant-cycle design, compressor control and defrost strategy support operation at colder ambient conditions than a standard installation.
Technical approach
Key considerations
- Enhanced vapour injection is described in the company material.
- Match the selected series to the actual design winter temperature.
- Evaluate output and input at the design point, including defrost effects.
Questions & answers
How is the final model selected?
Provide the design duty, water or air conditions and seasonal operating points. The technical offer must establish the selected model, available capacity and electrical input at those conditions.
What options are included as standard?
Materials, controls, interfaces and accessories are confirmed in the technical offer. Illustrated equipment and optional functions are not automatically included.
Can this equipment be integrated into an existing site?
A retrofit review needs the existing hydraulic layout, utilities, available space and operating constraints. Provide photographs and current operating data with your enquiry.
Product brochures
Seawater-Source Heat Pumps
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Related equipment
Temperature Control
Seawater-Source Heat Pumps
Heat and cool aquaculture water through a purpose-designed water-source thermal system.
- Series / configuration
- NXR-HS brochure range; final model by technical offer
- Heat exchanger in company brochure
- Titanium tubes / PP shell
Temperature Control
Air-Source Heat Pumps
Control culture-water temperature where a suitable water heat source is unavailable.
- Series / configuration
- NXFR
- Heat source
- Outdoor air
Temperature Control
Variable-Frequency Heat Pumps
Adjust compressor output to a varying water-temperature-control load.
- Control approach
- Variable compressor speed
- Application
- Aquaculture heating and cooling
Start a technical conversation
Tell us which equipment you need
Share your water flow, temperature duty or cabin requirements so the selected configuration can be discussed.