BKMR-2N-4FE-28Y
31.80 kW
Compressor rack BKMR-2N-4MU-25X
Defrost: None
Product code: BKMR-2N-4MU-25X
- Refrigerating capacity i
- 31.70 kW
- Absorbed power
- 25.70 kW
- COP
- 1.23
- Compressors
- 2 × semi-hermetic reciprocating compressors
- Receiver
- 120 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 | 2 × semi-hermetic reciprocating compressors |
| Liquid receiver | 120 l |
| Net weight | 600 kg |
| Max. current | 72.8 A |
|---|---|
| Starting current | 235.4 A |
| Suction | 2"5/8 |
|---|---|
| Liquid | 1"3/8 |
| Discharge | 1"3/8 |
| L / W / H | 714/455/1834 mm |
|---|---|
| Weight | 130 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
- 31.70 kW
- Absorbed power
- 25.70 kW
- COP
- 1.23
- Current
- 51.3 A
- Heat rejection
- 57.40 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 | 31.70 | 25.70 | 1.23 | 51.3 |
| -35 | 45 | 27.50 | 26.00 | 1.06 | 51.8 |
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 | 34.90 | 46.90 | 61.50 | 78.90 | 99.50 | 123.70 | 151.80 | 184.00 |
| 25 | 32.00 | 43.40 | 57.10 | 73.60 | 93.20 | 116.10 | 142.80 | 173.60 |
| 30 | 29.00 | 39.60 | 52.50 | 68.00 | 86.40 | 108.10 | 133.40 | 162.70 |
| 35 | 25.90 | 35.70 | 47.70 | 62.10 | 79.30 | 99.70 | 123.60 | 151.30 |
| 40 | 22.70 | 31.70 | 42.70 | 56.00 | 71.90 | 90.90 | 113.30 | 139.50 |
| 45 | 19.40 | 27.50 | 37.50 | 49.60 | 64.30 | 81.80 | 102.70 | 127.20 |
| 50 | 16.20 | 23.40 | 32.20 | 43.10 | 56.40 | 72.50 | 91.80 | not rated |
| 55 | 13.10 | 19.30 | 27.00 | 36.60 | 48.40 | 63.00 | not rated | not rated |
Power [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 19.90 | 22.80 | 25.50 | 28.00 | 30.10 | 31.70 | 32.80 | 33.30 |
| 25 | 20.50 | 23.70 | 26.80 | 29.70 | 32.20 | 34.40 | 36.10 | 37.20 |
| 30 | 21.00 | 24.50 | 27.90 | 31.20 | 34.20 | 36.90 | 39.20 | 40.90 |
| 35 | 21.40 | 25.20 | 28.90 | 32.60 | 36.00 | 39.20 | 42.00 | 44.30 |
| 40 | 21.70 | 25.70 | 29.70 | 33.80 | 37.60 | 41.20 | 44.50 | 47.40 |
| 45 | 21.80 | 26.00 | 30.40 | 34.70 | 38.90 | 43.00 | 46.80 | 50.20 |
| 50 | 21.80 | 26.20 | 30.80 | 35.40 | 40.00 | 44.50 | 48.70 | not rated |
| 55 | 21.50 | 26.10 | 30.90 | 35.80 | 40.80 | 45.60 | not rated | not rated |
COP
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 1.75 | 2.06 | 2.41 | 2.82 | 3.31 | 3.90 | 4.63 | 5.53 |
| 25 | 1.56 | 1.83 | 2.13 | 2.48 | 2.89 | 3.38 | 3.96 | 4.67 |
| 30 | 1.38 | 1.62 | 1.88 | 2.18 | 2.53 | 2.93 | 3.40 | 3.98 |
| 35 | 1.21 | 1.42 | 1.65 | 1.90 | 2.20 | 2.54 | 2.94 | 3.42 |
| 40 | 1.05 | 1.23 | 1.44 | 1.66 | 1.91 | 2.21 | 2.55 | 2.94 |
| 45 | 0.89 | 1.06 | 1.23 | 1.43 | 1.65 | 1.90 | 2.19 | 2.53 |
| 50 | 0.74 | 0.89 | 1.05 | 1.22 | 1.41 | 1.63 | 1.89 | not rated |
| 55 | 0.61 | 0.74 | 0.87 | 1.02 | 1.19 | 1.38 | not rated | not rated |
Dimensions
| Length | 1915 mm |
|---|---|
| Width | 800 mm |
| Height | 1500 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.