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The VRF air conditioners, also known as "one-to-many," is a system where one outdoor unit is connected to several indoor units. Each indoor unit can operate independently or be controlled together. The system utilizes outdoor heat exchangers, compressors, and direct cooling elements. Using pipes, the outdoor unit supplies cooling liquid to multiple indoor units, controlling refrigerant circulation to meet specific cooling and heating needs.
The indoor temperature sensor controls the valve on the indoor unit's cooling pipe. By adjusting the pressure, the system controls the outdoor unit's compressor speed to adjust capacity according to the load.
| Direct Expansion Side Mounted Jet-flow Air Conditioning Unit | ||
|---|---|---|
| Model | - | AirTS-C72 |
| Standard circulating air volume | m3/h | 12000 |
| Nominal cooling capacity (indoor 27ºC /outdoor 35ºC) | kW | 72 |
| Nominal heating capacity (indoor 20ºC /outdoor 7ºC) | kW | 68 |
| Nominal cooling input power | kW | 21.00 |
| Nominal heating input power | kW | 19.00 |
| Power supply (3phase, 5 wires) | - | 3N~380V 50Hz |
| Maximum fuse ampere (MFA) | A | 85 |
| Minimum circuit ampere (MCA) | A | 82 |
| Refrigerant | - | R410A |
| Applicable distance of lateral air supply | m | <30 |
| Control mode | - | VAV stepless regulation |
| Noise level outside | dB | <74 |