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Series
KWG
400 P
KWG
500 P
KWG
600 P
KWG
750 P
KWG
850 P
KWG
950 P
KWG
1100 P
KWG
1300 P
KWG
1500 P
KWG
1750 P
Function
Air-cooled compact chiller with multi-stage power control and circulation pump for
cooling
Nominal cooling capacity
1)
kW 39.5 49.7 58.4 75.9 84.5 93.3 112.6 129.4 151.8 173.5
Energy efficiency ratio for cooling EER
8)
2.32 2.42 2.45 2.48 2.37 2.42 2.58 2.48 2.53 2.48
Return temperature operating range
Cooling
°C +10 to +18
Operating range, cooling °C +15 to +45
Operating range, cooling (expansion) °C +5 to +45
5)
/ -15 to +45
6)
Number of cooling circuits 1 2
Power gradation % 0/50/100
0/33/
66/100
0/31/
62/100
0/33/
66/100
0/22/50/
72/100
0/25/50/
75/100
0/17/33/50/
67/83/100
Refrigerant R 410A
7)
Max. refrigerant operating pressure kPa 4200
Refrigerant, basic amount per cooling
circuit
kg 9.8 12.0 11.2 12.9 13.7 14.1 20.5 2x12.9 2x12.1 2x17.1
Compressor, number/type 2/scroll 3/scroll 4/scroll 6/scroll
Number of condenser fans 1 2 3
Max. air volume flow rate m³/h 21800 21200 21200 44400 44400 44400 43400 42400 66000 62580
Sound pressure level
3)
dB(A) 50.7 50.7 51.0 53.9 54.0 54.3 54.3 54.3 55.7 55.8
Sound power level dB(A) 82.9 82.9 83.2 86.1 86.2 86.5 86.5 86.5 87.9 88.0
Voltage supply V/Hz 400/3~/50
Type of protection IP 24
Max. electrical power consumption
4)
kW 26.04 29.23 34.91 47.06 53.64 58.07 66.94 78.49 90.27 103.93
Max. electrical current consumption
4)
A 38.14 42.74 50.95 68.59 78.10 84.50 97.31 114.16 131.18 151.55
Electrical nominal power consumption,
cooling
1)
kW 17.01 20.51 23.81 30.59 35.59 38.49 43.70 52.23 59.94 70.04
Electr. nominal current consumption
Cooling
1)
A 26.30 31.63 36.65 47.01 54.62 59.04 66.95 80.06 91.78 107.74
Max. electrical starting current LRA A 112.80 131.10 142.20 172.50 166.40 166.40 201.20 188.70 231.80 235.20
Operating medium Max. 35% ethylene glycol; max. 35% propylene glycol
Operating limits of medium °C +4 to +18
Max. medium operating pressure kPa 600
Nominal volume flow rate, medium
cooling
m³/h 6.80 8.53 10.04 13.07 14.54 16.06 19.37 22.25 26.10 29.84
Minimum flow rate, medium m³/h 5.40 6.80 8.00 10.40 11.60 12.80 15.40 17.80 20.80 23.80
Maximum volume flow rate, medium m³/h 8.10 10.20 12.00 15.60 17.40 19.20 23.20 26.70 31.30 35.80
Max. nominal pump pressure kPa 166.0 160.0 154.0 149.0 143.0 138.0 124.0 151.0 128.0 141.0
Nominal pressure loss, internal cooling kPa 21.6 26.8 25.7 25.4 18.7 22.8 22.9 31.3 35.8 34.4
System pressure, available cooling kPa 144.4 133.2 128.3 123.6 124.3 115.2 101.1 119.7 92.2 106.6
Diaphragm expansion vessel, volume l 5.0 5.0 5.0 10.0 10.0 10.0 10.0 10.0 18.0 18.0
Diaphragm expansion vessel, pre-
pressure
kPa 150
Medium port, inlet Inch 1 1/2 1 1/2 1 1/2 2 2 2 2 2 1/2 2 1/2 2 1/2
Medium port, outlet Inch 1 1/2 1 1/2 1 1/2 2 2 2 2 2 1/2 2 1/2 2 1/2
Medium contents, pipelines l 5.6 5.8 6.0 8.4 8.6 8.9 9.4 9.6 15.6 15.9
Minimum medium volume, system l 80.0 100.0 120.0 155.0 115.0 125.0 150.0 130.0 155.0 115.0
Dimensions - height mm 1954 1954 1954 1954 1954 1954 1954 1954 1954 1954
Width mm 1123 1123 1123 1123 1123 1123 1123 1123 1123 1123
Depth mm 1955 1955 1955 3005 3005 3005 3005 3005 4255 4255
Weight kg 577.1 602.6 608.4 767.2 844.0 846.7 902.1 1011.6 1147.4 1352.9
Approx. operating weight kg 588.3 614.2 620.4 784.0 861.2 864.5 920.9 1030.8 1178.6 1384.7
Serial colour similar to RAL 9018
Serial number RAL 9018
1033...10.. 1033...11.. 1033...12.. 1033...13.. 1033...14.. 1033...15.. 1033...16.. 1033...17.. 1033...18.. 1033...19..
Reference number RAL 9018
1690405 1690505 1690605 1690755 1690855 1690955 1691105 1691305 1691505 1691755
1) Air inlet temperature TK 35°C, medium inlet 12°C, medium outlet 7°C, 0% glycol concentration
2) Air inlet temperature TK 7°C, medium inlet 45°C, medium outlet 50°C, 0% glycol concentration
3) Distance 10 m in open air
4) Air inlet temperature TK 45°C, medium inlet 18°C, medium outlet 15°C, 0% glycol concentration
5) Only with the compressor crankcase heating as accessory
6) Only with the winter fan control set as accessory
7) Contains greenhouse gas according to Kyoto Agreement
8) Determined according to EN 14511
53


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