2
Technical data
2.1 Unit data
Unit data KWE 150 - KWE 250
Series
KWE 150
KWE 180
KWE 220
KWE 250
Operating mode
Air-cooled compact chiller
Nominal cooling output
1)
kW
15.01
17.44
21.58
24.72
Energy efficiency rating EER
1)
3.50
SEER
3.84
3.83
3.85
3.85
Annual room cooling efficiency
ŋ
S,C
%
151
150
151
151
Adjustment range - return temperature
cooling
°C
+9 to +22
Operating range, cooling
°C
+15 to +45
Operating range cooling (extension)
°C
-7 to +45
2)
/ -15 to +45
3)
Cooling circuits, number
1
Refrigerant
R410A
4)
GWP value
2088
Refrigerant filling quantity
5)
kg
5.6
6.2
8.1
8.7
CO
2
equivalent
t
11.69
12.95
16.91
18.17
Compressor, number / type
1 / Scroll
Max. airflow volume
m
3
/h
10,500
10,000
11,000
20,500
Number of fans
1
2
Sound pressure level
6)
dB (A)
40.4
39.8
41.1
43.3
Sound power level
dB (A)
71.9
71.3
72.5
74.9
Power supply
V/Ph/Hz
400/3~/50
Enclosure class
IP
X4
Electrical power consumption, max.
kW
6.5
8.7
9.5
12.3
Electrical current consumption, max.
A
11.68
15.61
17.07
22.16
Electrical rated power consumption,
cooling
kW
4.22
4.99
6.1
6.99
Electrical rated current consumption,
cooling
A
7.4
8.7
10.6
12.2
Electrical starting current, max.
A
65.6
76.6
102.6
114.2
Operating medium
max. 35% ethylene glycol, max. 35% propylene glycol
Operating pressure, medium, max.
kPa
600
Nominal flow rate, medium - cooling
m
3
/h
2.59
2.99
3.71
4.25
Minimum flow volume, medium
m
3
/h
1.61
1.87
2.32
2.65
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