BKMR-4N-4MM-20X
51.87 kW
Compressor rack BKMR-4N-4GE-23Y
Defrost: None
Product code: BKMR-4N-4GE-23Y
- Refrigerating capacity i
- 53.07 kW
- Absorbed power
- 41.33 kW
- COP
- 1.28
- Compressors
- 4 × semi-hermetic reciprocating compressors
- Receiver
- 150 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 | 4 × semi-hermetic reciprocating compressors |
| Liquid receiver | 150 l |
| Net weight | 1,224 kg |
| Max. current | 115.4 A |
|---|---|
| Starting current | 244.5 A |
| Suction | 4"1/8 |
|---|---|
| Liquid | 1"3/8 |
| Discharge | 2"1/8 |
| L / W / H | 790/538/1605 mm |
|---|---|
| Weight | 150 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
- 53.07 kW
- Absorbed power
- 41.33 kW
- COP
- 1.28
- Current
- 75.7 A
- Heat rejection
- 94.40 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 | 53.07 | 41.33 | 1.28 | 75.7 |
| -35 | 45 | 46.00 | 41.87 | 1.10 | 76.4 |
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 | 60.80 | 81.60 | 106.53 | 136.40 | 171.60 | 213.07 | 261.47 | 318.00 |
| 25 | 55.47 | 74.67 | 97.87 | 125.87 | 159.07 | 198.27 | 244.40 | 298.53 |
| 30 | 49.73 | 67.47 | 89.20 | 115.20 | 146.40 | 183.33 | 227.07 | 278.27 |
| 35 | 43.87 | 60.27 | 80.40 | 104.53 | 133.60 | 168.27 | 209.20 | 257.47 |
| 40 | 38.13 | 53.07 | 71.47 | 93.87 | 120.67 | 152.80 | 190.93 | 236.00 |
| 45 | 32.67 | 46.00 | 62.67 | 83.07 | 107.73 | 137.20 | 172.53 | 214.13 |
| 50 | 27.47 | 39.20 | 54.00 | 72.27 | 94.53 | 121.47 | 153.73 | 191.87 |
| 55 | 22.67 | 32.67 | 45.47 | 61.60 | 81.47 | 105.60 | 134.67 | 169.33 |
Power [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 32.40 | 37.20 | 41.87 | 46.40 | 50.40 | 53.87 | 56.67 | 58.53 |
| 25 | 33.20 | 38.53 | 43.87 | 49.07 | 54.00 | 58.40 | 62.13 | 65.20 |
| 30 | 33.87 | 39.73 | 45.60 | 51.47 | 57.20 | 62.53 | 67.33 | 71.47 |
| 35 | 34.40 | 40.67 | 47.07 | 53.60 | 60.13 | 66.27 | 72.13 | 77.47 |
| 40 | 34.67 | 41.33 | 48.40 | 55.47 | 62.67 | 69.73 | 76.53 | 82.80 |
| 45 | 34.80 | 41.87 | 49.33 | 57.07 | 64.93 | 72.80 | 80.53 | 87.87 |
| 50 | 34.80 | 42.13 | 50.00 | 58.40 | 66.93 | 75.60 | 84.13 | 92.53 |
| 55 | 34.40 | 42.13 | 50.40 | 59.33 | 68.53 | 77.87 | 87.33 | 96.67 |
COP
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 1.88 | 2.19 | 2.54 | 2.94 | 3.40 | 3.96 | 4.61 | 5.43 |
| 25 | 1.67 | 1.94 | 2.23 | 2.57 | 2.95 | 3.39 | 3.93 | 4.58 |
| 30 | 1.47 | 1.70 | 1.96 | 2.24 | 2.56 | 2.93 | 3.37 | 3.89 |
| 35 | 1.28 | 1.48 | 1.71 | 1.95 | 2.22 | 2.54 | 2.90 | 3.32 |
| 40 | 1.10 | 1.28 | 1.48 | 1.69 | 1.93 | 2.19 | 2.49 | 2.85 |
| 45 | 0.94 | 1.10 | 1.27 | 1.46 | 1.66 | 1.88 | 2.14 | 2.44 |
| 50 | 0.79 | 0.93 | 1.08 | 1.24 | 1.41 | 1.61 | 1.83 | 2.07 |
| 55 | 0.66 | 0.78 | 0.90 | 1.04 | 1.19 | 1.36 | 1.54 | 1.75 |
Dimensions
| Length | 3115 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.