BKMR-4N-4FE-28Y
63.60 kW
Compressor rack BKMR-5N-4MM-20X
Defrost: None
Product code: BKMR-5N-4MM-20X
- Refrigerating capacity i
- 64.83 kW
- Absorbed power
- 50.50 kW
- COP
- 1.28
- Compressors
- 5 × semi-hermetic reciprocating compressors
- Receiver
- 250 l
Nominal conditions: evaporating -35 °C, condensing 40 °C (dew points), superheat 10 K, subcooling 3 K; refrigerant R404A where rated.
Data
| Application | Low temperature (LT) |
|---|---|
| Compressors | 5 × semi-hermetic reciprocating compressors |
| Liquid receiver | 250 l |
| Net weight | 1,414 kg |
| Max. current | 152.6 A |
|---|---|
| Starting current | 297.0 A |
| Suction | 4"1/8 |
|---|---|
| Liquid | 1"3/8 |
| Discharge | 2"1/8 |
| L / W / H | 739/638/2010 mm |
|---|---|
| Weight | 250 kg |
Performance
Evaporating temperature -50…5 °C, condensing temperature 20…55 °C (dew points); superheat 10 K, subcooling 3 K.
R404A, evaporating -35 °C, condensing 40 °C (dew points; superheat 10 K, subcooling 3 K)
- Refrigerating capacity
- 64.83 kW
- Absorbed power
- 50.50 kW
- COP
- 1.28
- Current
- 100.7 A
- Heat rejection
- 115.33 kW
Heat rejection = refrigerating capacity + absorbed power. COP = refrigerating capacity / absorbed power.
Rated from the compressors' data: this rack is no longer in the manufacturer's current program.
Standard points
| Te [°C] | Tc [°C] | Refrigerating capacity [kW] | Absorbed power [kW] | COP | Current [A] |
|---|---|---|---|---|---|
| -35 | 40 | 64.83 | 50.50 | 1.28 | 100.7 |
| -35 | 45 | 56.17 | 51.33 | 1.09 | 101.7 |
Evaporating × condensing temperature (dew points)
R404A; rows: condensing temperature Tc [°C]; columns: evaporating temperature Te [°C]. The highlighted cell is the nominal point. "—": outside the compressors' operating envelope.
Capacity [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 73.50 | 98.50 | 128.33 | 163.83 | 205.50 | 254.17 | 310.33 | 374.83 |
| 25 | 66.83 | 90.17 | 118.17 | 151.50 | 190.67 | 236.33 | 289.33 | 350.17 |
| 30 | 59.83 | 81.83 | 108.00 | 139.00 | 175.50 | 218.33 | 268.00 | 325.33 |
| 35 | 53.00 | 73.33 | 97.50 | 126.33 | 160.17 | 200.17 | 246.50 | 300.33 |
| 40 | 46.00 | 64.83 | 87.00 | 113.50 | 144.83 | 181.67 | 225.00 | 275.17 |
| 45 | 39.00 | 56.17 | 76.50 | 100.67 | 129.33 | 163.17 | 203.17 | 249.83 |
| 50 | 32.00 | 47.67 | 66.00 | 87.67 | 113.67 | 144.67 | 181.33 | 224.50 |
| 55 | 25.33 | 39.17 | 55.50 | 74.83 | 98.17 | 126.17 | 159.50 | 199.17 |
Power [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 39.00 | 44.17 | 49.00 | 53.33 | 57.00 | 60.00 | 62.17 | 63.17 |
| 25 | 40.33 | 46.17 | 51.50 | 56.67 | 61.17 | 65.17 | 68.17 | 70.33 |
| 30 | 41.50 | 47.83 | 54.00 | 59.83 | 65.33 | 70.00 | 74.17 | 77.33 |
| 35 | 42.33 | 49.33 | 56.17 | 62.83 | 69.17 | 74.83 | 79.83 | 84.17 |
| 40 | 42.83 | 50.50 | 58.17 | 65.50 | 72.67 | 79.33 | 85.50 | 90.83 |
| 45 | 43.00 | 51.33 | 59.67 | 68.00 | 76.00 | 83.67 | 90.67 | 97.17 |
| 50 | 42.83 | 51.83 | 60.83 | 70.00 | 79.00 | 87.50 | 95.83 | 103.33 |
| 55 | 42.17 | 51.83 | 61.67 | 71.67 | 81.50 | 91.17 | 100.50 | 109.17 |
COP
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 1.88 | 2.23 | 2.62 | 3.07 | 3.61 | 4.24 | 4.99 | 5.93 |
| 25 | 1.66 | 1.95 | 2.29 | 2.67 | 3.12 | 3.63 | 4.24 | 4.98 |
| 30 | 1.44 | 1.71 | 2.00 | 2.32 | 2.69 | 3.12 | 3.61 | 4.21 |
| 35 | 1.25 | 1.49 | 1.74 | 2.01 | 2.32 | 2.67 | 3.09 | 3.57 |
| 40 | 1.07 | 1.28 | 1.50 | 1.73 | 1.99 | 2.29 | 2.63 | 3.03 |
| 45 | 0.91 | 1.09 | 1.28 | 1.48 | 1.70 | 1.95 | 2.24 | 2.57 |
| 50 | 0.75 | 0.92 | 1.08 | 1.25 | 1.44 | 1.65 | 1.89 | 2.17 |
| 55 | 0.60 | 0.76 | 0.90 | 1.04 | 1.20 | 1.38 | 1.59 | 1.82 |
Dimensions
| Length | 3715 mm |
|---|---|
| Width | 1000 mm |
| Height | 1450 mm |
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The data are illustrative and may change without notice. Capacities are interpolated from the manufacturer's rating grid; points the manufacturer did not rate are shown as "not rated" and never estimated.