BKMR-3N-4MM-20X
38.90 kW
Compressor rack BKMR-2N-6MM-30X
Defrost: None
Product code: BKMR-2N-6MM-30X
- Refrigerating capacity i
- 38.80 kW
- Absorbed power
- 31.80 kW
- COP
- 1.22
- 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 | 660 kg |
| Max. current | 91.4 A |
|---|---|
| Starting current | 300.7 A |
| Suction | 3"1/8 |
|---|---|
| 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
- 38.80 kW
- Absorbed power
- 31.80 kW
- COP
- 1.22
- Current
- 62.7 A
- Heat rejection
- 70.60 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 | 38.80 | 31.80 | 1.22 | 62.7 |
| -35 | 45 | 33.90 | 32.30 | 1.05 | 63.3 |
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 | 42.70 | 57.00 | 74.50 | 95.80 | 121.30 | 151.60 | 187.20 | 228.70 |
| 25 | 39.20 | 52.60 | 69.00 | 88.90 | 112.80 | 141.20 | 174.80 | 214.00 |
| 30 | 35.60 | 48.10 | 63.40 | 81.90 | 104.10 | 130.70 | 162.20 | 199.20 |
| 35 | 31.90 | 43.50 | 57.60 | 74.70 | 95.40 | 120.10 | 149.60 | 184.30 |
| 40 | 28.00 | 38.80 | 51.70 | 67.50 | 86.50 | 109.40 | 136.90 | 169.40 |
| 45 | 24.00 | 33.90 | 45.80 | 60.10 | 77.50 | 98.60 | 124.00 | 154.30 |
| 50 | 20.00 | 29.00 | 39.70 | 52.70 | 68.50 | 87.80 | 111.10 | 139.20 |
| 55 | 15.90 | 24.00 | 33.60 | 45.20 | 59.40 | 76.90 | 98.20 | 124.10 |
Power [kW]
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 24.10 | 27.20 | 30.00 | 32.50 | 34.70 | 36.50 | 37.70 | 38.50 |
| 25 | 25.10 | 28.60 | 31.80 | 34.80 | 37.40 | 39.70 | 41.50 | 42.70 |
| 30 | 26.00 | 29.80 | 33.50 | 37.00 | 40.10 | 42.90 | 45.20 | 47.10 |
| 35 | 26.60 | 30.90 | 35.10 | 39.00 | 42.70 | 46.00 | 48.90 | 51.40 |
| 40 | 27.00 | 31.80 | 36.40 | 40.90 | 45.10 | 49.00 | 52.50 | 55.60 |
| 45 | 27.00 | 32.30 | 37.50 | 42.50 | 47.30 | 51.80 | 56.00 | 59.70 |
| 50 | 26.70 | 32.50 | 38.20 | 43.80 | 49.20 | 54.40 | 59.20 | 63.70 |
| 55 | 25.80 | 32.20 | 38.50 | 44.70 | 50.80 | 56.60 | 62.10 | 67.30 |
COP
| Tc \ Te [°C] | -40 | -35 | -30 | -25 | -20 | -15 | -10 | -5 |
|---|---|---|---|---|---|---|---|---|
| 20 | 1.77 | 2.10 | 2.48 | 2.95 | 3.50 | 4.15 | 4.97 | 5.94 |
| 25 | 1.56 | 1.84 | 2.17 | 2.55 | 3.02 | 3.56 | 4.21 | 5.01 |
| 30 | 1.37 | 1.61 | 1.89 | 2.21 | 2.60 | 3.05 | 3.59 | 4.23 |
| 35 | 1.20 | 1.41 | 1.64 | 1.92 | 2.23 | 2.61 | 3.06 | 3.59 |
| 40 | 1.04 | 1.22 | 1.42 | 1.65 | 1.92 | 2.23 | 2.61 | 3.05 |
| 45 | 0.89 | 1.05 | 1.22 | 1.41 | 1.64 | 1.90 | 2.21 | 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 | 1915 mm |
|---|---|
| Width | 800 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.