BKMR-6N-4MM-20X
77.80 kW
Compressor rack BKMR-4N-6MM-30X
Defrost: None
Product code: BKMR-4N-6MM-30X
- Refrigerating capacity i
- 77.60 kW
- Absorbed power
- 63.60 kW
- COP
- 1.22
- Compressors
- 4 × 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 | 4 × semi-hermetic reciprocating compressors |
| Liquid receiver | 250 l |
| Net weight | 1,240 kg |
| Max. current | 182.8 A |
|---|---|
| Starting current | 392.1 A |
| Suction | 4"1/8 |
|---|---|
| Liquid | 2"1/8 |
| Discharge | 1"5/8 |
| 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
- 77.60 kW
- Absorbed power
- 63.60 kW
- COP
- 1.22
- Current
- 125.3 A
- Heat rejection
- 141.20 kW
Heat rejection = refrigerating capacity + absorbed power. COP = refrigerating capacity / absorbed power.
Standard points
| Te [°C] | Tc [°C] | Refrigerating capacity [kW] | Absorbed power [kW] | COP | Current [A] |
|---|---|---|---|---|---|
| -35 | 40 | 77.60 | 63.60 | 1.22 | 125.3 |
| -35 | 45 | 67.90 | 64.60 | 1.05 | 126.5 |
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 | 85.40 | 114.00 | 149.10 | 191.60 | 242.60 | 303.20 | 374.50 | 457.40 |
| 25 | 78.40 | 105.30 | 138.00 | 177.80 | 225.50 | 282.50 | 349.60 | 428.00 |
| 30 | 71.20 | 96.30 | 126.80 | 163.70 | 208.20 | 261.50 | 324.50 | 398.40 |
| 35 | 63.70 | 87.00 | 115.20 | 149.40 | 190.70 | 240.30 | 299.20 | 368.70 |
| 40 | 56.00 | 77.60 | 103.50 | 134.90 | 173.00 | 218.90 | 273.70 | 338.70 |
| 45 | 48.10 | 67.90 | 91.50 | 120.20 | 155.00 | 197.30 | 248.10 | 308.60 |
| 50 | 40.00 | 58.00 | 79.40 | 105.30 | 137.00 | 175.50 | 222.30 | 278.50 |
| 55 | 31.80 | 48.00 | 67.10 | 90.40 | 118.80 | 153.70 | 196.40 | 248.20 |
Power [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 48.20 | 54.30 | 60.00 | 65.00 | 69.40 | 72.90 | 75.50 | 76.90 |
| 25 | 50.20 | 57.10 | 63.60 | 69.50 | 74.80 | 79.30 | 82.90 | 85.50 |
| 30 | 52.00 | 59.70 | 67.00 | 73.90 | 80.20 | 85.70 | 90.40 | 94.10 |
| 35 | 53.30 | 61.90 | 70.20 | 78.10 | 85.40 | 92.00 | 97.90 | 102.80 |
| 40 | 54.00 | 63.60 | 72.90 | 81.80 | 90.20 | 98.00 | 105.10 | 111.30 |
| 45 | 54.10 | 64.60 | 75.00 | 85.00 | 94.60 | 103.60 | 112.00 | 119.50 |
| 50 | 53.30 | 65.00 | 76.40 | 87.60 | 98.40 | 108.80 | 118.40 | 127.30 |
| 55 | 51.70 | 64.40 | 77.00 | 89.50 | 101.60 | 113.20 | 124.30 | 134.60 |
COP
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 1.77 | 2.10 | 2.48 | 2.95 | 3.50 | 4.16 | 4.96 | 5.95 |
| 25 | 1.56 | 1.84 | 2.17 | 2.56 | 3.01 | 3.56 | 4.22 | 5.01 |
| 30 | 1.37 | 1.61 | 1.89 | 2.22 | 2.60 | 3.05 | 3.59 | 4.23 |
| 35 | 1.20 | 1.41 | 1.64 | 1.91 | 2.23 | 2.61 | 3.06 | 3.59 |
| 40 | 1.04 | 1.22 | 1.42 | 1.65 | 1.92 | 2.23 | 2.60 | 3.04 |
| 45 | 0.89 | 1.05 | 1.22 | 1.41 | 1.64 | 1.90 | 2.22 | 2.58 |
| 50 | 0.75 | 0.89 | 1.04 | 1.20 | 1.39 | 1.61 | 1.88 | 2.19 |
| 55 | 0.62 | 0.75 | 0.87 | 1.01 | 1.17 | 1.36 | 1.58 | 1.84 |
Dimensions
| Length | 3115 mm |
|---|---|
| Width | 1000 mm |
| Height | 1580 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.