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Series
KWG
400 SP
SLN
KWG
500 SP
SLN
KWG
600 SP
SLN
KWG
750 SP
SLN
KWG
850 SP
SLN
KWG
950 SP
SLN
KWG
1100 SP
SLN
KWG
1300 SP
SLN
KWG
1500 SP
SLN
KWG
1750 SP
SLN
Function
Air-cooled compact chiller with multi-stage power control and
circulation pump / storage tank in noise-reduced design for cooling
Nominal cooling capacity
1)
kW 38.7 47.8 59.0 73.0 85.4 92.8 109.6 130.8 146.6 160.8
Energy efficiency ratio
for cooling EER
8)
2.33 2.40 2.41 2.48 2.48 2.49 2.58 2.50 2.52 2.36
Adjustment range
Return temperature 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
Basic amount of refrigerant
per cooling circuit
kg 9.8 11.8 12.8 13.0 16.4 19.1 25.6 2x16.2 2x19.0 2x19.7
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 17800 16800 35000 35000 33600 33600 33400 49600 47600 47600
Sound pressure level
3)
dB(A) 45.3 45.3 45.7 48.5 49.3 49.3 49.3 51.3 51.3 52.3
Sound power level dB(A) 77.5 77.5 77.9 80.7 81.5 81.5 81.5 83.5 83.5 84.5
Voltage supply V/Hz 400/3~/50
Type of protection IP 24
Max. electr. nominal power
consumption
4)
kW 24.52 27.70 34.77 44.01 50.59 55.02 63.89 76.82 85.69 99.36
Max. electrical current consumption
4)
A 35.93 40.54 50.75 64.18 73.69 80.10 92.91 111.76 124.57 144.94
Electr. nominal power consumption
Cooling
1)
kW 16.60 19.91 24.51 29.39 34.39 37.29 42.50 52.33 58.13 68.24
Electr. nominal current consumption
Cooling
1)
A 25.68 31.93 37.56 46.71 52.34 57.06 66.80 79.14 91.62 108.96
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 6.66 8.21 10.12 12.53 14.69 15.95 18.83 22.46 25.20 27.65
Minimum flow rate, medium m³/h 5.30 6.50 8.00 10.00 11.70 12.70 15.00 17.90 20.10 22.10
Maximum volume flow rate, medium m³/h 8.00 9.90 12.20 15.10 17.70 19.20 22.60 27.00 30.30 33.20
Max. nominal pump pressure kPa 167.0 161.0 155.0 150.0 144.0 139.0 125.0 152.0 134.0 158.0
Nominal pressure loss, internal cooling kPa 20.2 25.0 25.7 24.8 18.2 22.4 22.5 32.9 35.3 33.9
System pressure, available cooling kPa 146.8 136.0 129.3 125.2 125.8 116.6 102.5 119.1 98.7 124.1
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
Tank volume l 150.0 150.0 150.0 300.0 300.0 300.0 300.0 300.0 300.0 300.0
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 3005 3005 3005 3005 3005 4255 4255 4255
Weight kg 630.2 655.0 772.4 835.7 911.1 913.4 970.6 1186.0 1220.5 1424.5
Approx. operating weight kg 791.4 816.6 938.8 1002.5 1078.3 1081.2 1139.4 1366.4 1401.7 1606.3
Serial colour similar to RAL 9018
Serial number RAL 9018
1033...50.. 1033...51.. 1033...52.. 1033...53.. 1033...54.. 1033...55.. 1033...56.. 1033...57.. 1033...58.. 1033...59..
Reference number RAL 9018
1690425 1690525 1690625 1690775 1690875 1690975 1691125 1691325 1691525 1691775
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
57


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