Direct Expansion Air Conditioning Unit
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In the direct expansion air conditioning unit, no other functional components like a freezer, water tank, and water pump are required as the refrigerant expands directly in the evaporator, eliminating any energy loss associated with secondary heat transfer. This provides an energy-efficient cold source for the air conditioning system.
The direct expansion unit comes in a number of styles, including air-cooled and water-cooled condensers. Various functional components can also be added to increase efficiency, such as medium-efficiency bag filtration. When installed in a clean, dust-free environment, electrostatic filters, gas phase filters, and the like can be added to enhance the quality of the indoor air.
Specifications
| Model | |||||||||||||
| Performance | Cooling capacity | kW | 14.8 | 20.3 | 29.2 | 34.4 | 43.8 | 58.4 | 68.8 | 87.6 | 103.2 | 135.6 | 175.2 |
| Air flow | Mh | a000 | 4500 | soo0 | 7200 | s00o | 11000 | 14500 | 16000 | 210o0 | 23000 | a0000 | |
| External static pressure (ESP) | Pa | 200 | 200 | 200 | 300 | 300 | 350 | 350 | 400 | 400 | 450 | 500 | |
| Sound level | DB(A) | ≤63 | ≤64 | ≤66 | < 67 | ≤68 | ≤69 | ≤69 | ≤72 | ≤74 | ≤75 | ≤76 | |
| Power supply | 380V/3N/50Hz | ||||||||||||
| Total power | kW | 5.1 | 6.5 | 10.4 | 12.6 | 15.9 | 20.5 | 24.2 | 29.2 | 37.8 | 47.5 | 61 | |
| Refrigerant | R22R134/R407eR410a | ||||||||||||
| Flow control | Externally equalized thermostatic expansion valve | ||||||||||||
| Supply air (SA) system | Motor power | kW | 0.75 | 1.1 | 1.5 | 2.2 | 3 | 3 | 4 | 5.5 | 7.5 | 7.5 | 11 |
| Air filter | 1" washable aluminum mesh filter | ||||||||||||
| Compressor | Type | Hermetic compressor | |||||||||||
| Power | kW | 3.75 | 4.5 | .752 | .52 | .75x3 | 7.52 | 0x | Px2 3 | 9x3 | 9x4 | 9x5 | |
| Condensing fan | Type | Axial fan | |||||||||||
| Motor power | kW | 0.35 | o.41 | 0.85 | o.85 | 1,1 | O.05x2 | .85x2 | 11x2 | 1px2 | 0.85x4 | 1. 085)u2 | |
| Dimensions | Width | mm | 100o | 1000 | 1300 | 1500 | 1650 | 215o | 215o | 21so | 2150 | 2150 | 2150 |
| Length | mm | 1400 | 1B0o | 1800 | 1800 | 2o0o | 190o | 190o | 21Co | 2100 | 3600 | 3000 | |
| Height | nm | 1200 | 1400 | 1500 | 1550 | 1550 | 1500 | 1750 | 2050 | 2050 | 1900 | 2050 | |
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