x-MEXT
Mitsubishi Electric I-NEXT I.T Cooling
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The x-MEXT DX is a highly efficient computer room air conditioner (CRAC), incorporating
a wide range of options and configurations,and manufactured to the highest Mitsubishi Electric quality and reliability standards.
The x-MEXT includes BLDC Mitsubishi Electric compressors, microchannel heat exchanger options, and an EC fan on the indoor unit with an impeller made of recycled plastic, that is specifically design for the x-MEXT range.
Key Features
- Perimeter unit with upflow (over) and downflow (under) configurations
- Full inverter technology with BLDC Mitsubishi Electric compressors and a proprietary fan design
- Excellent efficiency with load matching control
- Advanced in-house developed control software
- Intelligent LAN controls for up to 15 units
- Interface cards available with many common BEMS protocols
- Automatic transfer switches and fast restart options
- Optional low ambient temperature kit for extreme conditions
- Full function humidifier and heating options
- Optional dampers, floor stands and discharge plenums
Technical Data
| CRAC Model Reference (x-MEXT-i-G02-DX-U/O-......) | 029 | 040 | 051 | 052 | 067 | 076 | 078 | 090 | 108 | 140 |
| COOLING CAPACITY DATA | ||||||||||
| Total Cooling Capacity (kW) | 27.70 | 38.80 | 49.50 | 50.40 | 63.90 | 74.40 | 75.90 | 87.60 | 104.00 | 132.00 |
| SHR | 1.00 | |||||||||
| System EER (nominal) 27°C - 47% RH | 3.45 | 3.32 | 2.93 | 3.55 | 3.15 | 3.14 | 3.63 | 3.38 | 3.12 | 2.61 |
| FAN PERFORMANCE DATA | ||||||||||
| Fan Type | Centrifugal EC | |||||||||
| Fan (No.) | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
| Fan Power Input (kW) | 0.80 | 1.61 | 1.85 | 2.16 | 3.20 | 3.22 | 3.21 | 3.66 | 5.15 | 6.24 |
| Max External ESP (Pa) | 364 | 299 | 243 | 237 | 173 | 169 | 300 | 245 | 141 | 84 |
| ELECTRICAL DATA | ||||||||||
| Power Supply (Phase) | Three Phase 400 / 3 / 50 | |||||||||
| Max Running Current FLA (A) | 30.60 | 41.50 | 41.50 | 47.00 | 57.40 | 57.40 | 82.00 | 82.00 | 108.00 | 108.00 |
| Power Supply Cable (x mm²) | 3G1.5 | 3G1.5 | 3G1.5 | 3G1.5 | 3G1.5 | 4G1.5 | 4G1.5 | 4G1.5 | 4G1.5 | 4G1.5 |
| FILTER INFORMATION | ||||||||||
| Air Filters (No. of) | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Efficiency Class (Coarse) | 60% | |||||||||
| SOUND DATA | ||||||||||
| Sound Pressure Level (dBA) Downflow | 50 | 47 | 47 | 48 | 47 | 47 | 49 | 49 | 50 | 52 |
| Sound Pressure Level (dBA) Upflow | 69 | 65 | 64 | 66 | 65 | 64 | 68 | 67 | 69 | 69 |
| Sound Power Level (dBA) Downflow | 67 | 64 | 64 | 65 | 64 | 64 | 67 | 67 | 68 | 70 |
| Sound Power Level (dBA) Upflow | 86 | 82 | 81 | 83 | 82 | 81 | 86 | 85 | 87 | 87 |
| DIMENSIONAL DATA | ||||||||||
| Frame Size | M | M | M | L | L | L | XL | XL | XL | XL |
| Length (mm) | 1142 | 1142 | 1142 | 1600 | 1600 | 1600 | 2550 | 2550 | 2550 | 2550 |
| Depth (mm) | 885 | |||||||||
| Height (mm) | 1980 | |||||||||
| Nett Weight - Upflow (kG) | 363 | 372 | 375 | 459 | 502 | 503 | 799 | 806 | 915 | 916 |
| Nett Weight - Downflow (kG) | 372 | 380 | 383 | 477 | 520 | 521 | 839 | 846 | 955 | 957 |
| REFRIGERANT DATA | ||||||||||
| No. of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 |
| Refrigerant | R410a | |||||||||
| Compressors / type | i | i | i | i | 1 + i | 1 + i | 2 (i) | 2 (i) | 2 (1 + i) | 2 (1 + i) |
| Gas (inch) | 3/4 (18mm) | 7/8 | 7/8 | 7/8 | 1 1/8 | 1 1/8 | 2 x 7/8 | 2 x 7/8 | 2 x 1 1/8 | 2 x 1 1/8 |
| Liquid (inch) | 5/8 (16mm) | 3/4 (18mm) | 3/4 (18mm) | 3/4 (18mm) | 3/4 (18mm) | 3/4 (18mm) | 2 x 3/4 (18mm) | 2 x 3/4 (18mm) | 2 x 3/4 (18mm) | 2 x 3/4 (18mm) |
| Condensate (mm) | 19 | |||||||||
| OUTDOOR REMOTE CONDENSER DATA | ||||||||||
| FAN DATA | ||||||||||
| Fan Type | Axial EC | |||||||||
| No. of Fans | 1 | 2 | 2 | 2 | 3 | 4 | 2 | 2 | 2 | 3 |
| CONDENSER ELECTRICAL DATA | ||||||||||
| Power Supply (Phase) | Three Phase 400 / 3 / 50 | |||||||||
| Max Running Current FLA (A) | 1.92 | 3.84 | 3.84 | 3.84 | 5.76 | 7.68 | 3.84 | 3.84 | 3.84 | 5.76 |
| CONDENSER SOUND DATA | ||||||||||
| Sound Pressure Level (dBA) Condenser | 56 | 54 | 58 | 58 | 59 | 59 | 54 | 57 | 58 | 59 |
| CONDENSER DIMENSIONAL DATA | ||||||||||
| Length (mm) | 1142 | 1142 | 1142 | 1600 | 1600 | 1600 | 2550 | 2550 | 2550 | 2550 |
| Depth (mm) | 885 | |||||||||
| Height (mm) | 1980 | |||||||||
| Nett Weight - Condenser (kG) | 363 | 372 | 375 | 459 | 502 | 503 | 799 | 806 | 915 | 916 |
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