Table 1B — 40RUA Physical Data, SI — Cooling Units
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| UNIT 40RUA* | 25 | 28 |
| 30 | |
|
| NOMINAL CAPACITY (kW) | 70 | 87 |
| 105 | |
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| OPERATING WEIGHT (kg) |
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| Base Unit with TXV | 331 | 477 |
| 482 |
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| Plenum | 102 | 148 |
| 148 |
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| FANS |
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| Qty...Diam. (mm) | 2...381 | 2...457 |
| 2...457 |
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| Nominal Airflow (L/s) | 3775 | 4119 |
| 5663 |
|
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| Airflow Range (L/s) | 2831 – 4719 | 3539 – 5899 |
| 4247 – 7079 |
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| Nominal Motor kW (Standard Motor) |
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| 3.73 | 5.60 |
| 7.46 | |
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| 3.73 | 5.60 |
| 7.46 | |
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| Motor Speed (r/s) |
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| 29.1 | 29.1 |
| 29.1 | |
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| 29.1 | 29.3 |
| 29.3 | |
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| REFRIGERANT |
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| |||
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| Operating charge (kg) | 1.59 | 2.04 |
| 2.27 |
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| (approx per circuit)† |
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| Enhanced Copper Tubes, Aluminum | ||||
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| Max Working Pressure (kPag) |
| 3102 |
|
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|
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| Face Area (sq m) | 1.85 |
|
| 2.77 |
|
|
| 2.30 |
| |||
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| No. of Splits | 2 | 2 |
| 2 |
|
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| No. of Circuits per Split | 18 | 20 |
| 24 |
|
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| Split Type...Percentage |
| Face...50/50 |
| |
|
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| Fins/m | 670 | 591 |
| 591 |
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| PIPING CONNECTIONS, |
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| Quantity...Size (in.) |
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| DX Coil — Suction (ODF) | 2...11/8 | 2...13/8 |
| 2...13/8 |
|
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| DX Coil — Liquid Refrigerant (ODF) |
| 2...5/8 |
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| Steam Coil, In (MPT) |
| 1...21/2 |
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|
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| Steam Coil, Out (MPT) |
| 1...1/2 |
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| Hot Water Coil, In (MPT) |
| 1...2 |
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| Hot Water Coil, Out (MPT) |
| 1...2 |
|
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|
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| Condensate (PVC) |
| 1...11/4 ODM/1 IDF |
| |
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| FILTERS | Throwaway — Factory Supplied | ||||
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| Quantity...Size (mm.) | 4...406 x 508 x 51 | 4...508 x 610 x 51 | ||
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| 4...406 x 610 x 51 | 4...508 x 635 x 51 | |||
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| Access Location |
| Either Side |
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| STEAM COIL‡ |
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| Max Working Pressure (kPag at 126°C) |
| 138 |
|
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|
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| Total Face Area (sq m) | 1.24 | 1.39 |
| 1.39 |
|
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| Rows...Fins/m | 1...394 | 1...394 |
| 1...394 |
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| HOT WATER COIL‡ |
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|
|
| |
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| Max Working Pressure (kPag) |
| 1034 |
|
|
|
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| Total Face Area (sq m) | 1.24 |
|
| 1.39 |
|
|
| 1.39 |
| |||
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| Rows...Fins/m | 2...335 | 2...335 |
| 2...335 |
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| Water Volume |
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| (L) | 52.6 |
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| 54.1 |
| |||
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| (m3) | 0.052 | 0.054 |
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LEGEND |
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DX | — | Direct Expansion |
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TXV | — | Thermostatic Expansion Valve |
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†Units are shipped without refrigerant charge.
‡Field installed accessory only.
6