BKMR-2N-4MM-20X
25.90 kW
Compressor rack BKMR-2N-4GE-23Y
Defrost: None
Product code: BKMR-2N-4GE-23Y
- Refrigerating capacity i
- 26.60 kW
- Absorbed power
- 20.70 kW
- COP
- 1.29
- Compressors
- 2 × semi-hermetic reciprocating compressors
- Receiver
- 60 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 | 60 l |
| Net weight | 610 kg |
| Max. current | 57.7 A |
|---|---|
| Starting current | 186.8 A |
| Suction | 2"5/8 |
|---|---|
| Liquid | 1"1/8 |
| Discharge | 1"3/8 |
| L / W / H | 666/402/1366 mm |
|---|---|
| Weight | 90 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
- 26.60 kW
- Absorbed power
- 20.70 kW
- COP
- 1.29
- Current
- 37.9 A
- Heat rejection
- 47.30 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 | 26.60 | 20.70 | 1.29 | 37.9 |
| -35 | 45 | 23.00 | 20.90 | 1.10 | 38.2 |
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 | 30.40 | 40.80 | 53.30 | 68.20 | 85.80 | 106.50 | 130.70 | 159.00 |
| 25 | 27.70 | 37.30 | 49.00 | 62.90 | 79.50 | 99.10 | 122.20 | 149.20 |
| 30 | 24.90 | 33.80 | 44.60 | 57.60 | 73.20 | 91.70 | 113.50 | 139.10 |
| 35 | 21.90 | 30.20 | 40.20 | 52.30 | 66.80 | 84.10 | 104.60 | 128.70 |
| 40 | 19.10 | 26.60 | 35.70 | 46.90 | 60.40 | 76.40 | 95.50 | 118.00 |
| 45 | 16.30 | 23.00 | 31.30 | 41.50 | 53.80 | 68.60 | 86.20 | 107.10 |
| 50 | 13.70 | 19.60 | 27.00 | 36.10 | 47.30 | 60.80 | 76.90 | 96.00 |
| 55 | 11.30 | 16.40 | 22.80 | 30.80 | 40.70 | 52.80 | 67.30 | 84.70 |
Power [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 16.20 | 18.60 | 20.90 | 23.20 | 25.20 | 26.90 | 28.30 | 29.20 |
| 25 | 16.60 | 19.30 | 21.90 | 24.50 | 27.00 | 29.20 | 31.10 | 32.60 |
| 30 | 17.00 | 19.90 | 22.80 | 25.80 | 28.60 | 31.30 | 33.70 | 35.80 |
| 35 | 17.20 | 20.30 | 23.60 | 26.80 | 30.10 | 33.20 | 36.10 | 38.70 |
| 40 | 17.40 | 20.70 | 24.20 | 27.80 | 31.40 | 34.90 | 38.30 | 41.40 |
| 45 | 17.40 | 20.90 | 24.70 | 28.50 | 32.50 | 36.40 | 40.30 | 43.90 |
| 50 | 17.40 | 21.10 | 25.00 | 29.20 | 33.40 | 37.80 | 42.10 | 46.20 |
| 55 | 17.20 | 21.10 | 25.20 | 29.60 | 34.20 | 38.90 | 43.60 | 48.30 |
COP
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 1.88 | 2.19 | 2.55 | 2.94 | 3.40 | 3.96 | 4.62 | 5.45 |
| 25 | 1.67 | 1.93 | 2.24 | 2.57 | 2.94 | 3.39 | 3.93 | 4.58 |
| 30 | 1.46 | 1.70 | 1.96 | 2.23 | 2.56 | 2.93 | 3.37 | 3.89 |
| 35 | 1.27 | 1.49 | 1.70 | 1.95 | 2.22 | 2.53 | 2.90 | 3.33 |
| 40 | 1.10 | 1.29 | 1.48 | 1.69 | 1.92 | 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 | 1.42 | 1.61 | 1.83 | 2.08 |
| 55 | 0.66 | 0.78 | 0.90 | 1.04 | 1.19 | 1.36 | 1.54 | 1.75 |
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.