Technical data
1) Air inlet temperature TK 27 °C / FK 19 °C, medium inlet 7 ℃, medium outlet 12 °C, 0% glycol concentration, max. air flow volume
2) Air inlet temperature TK 20 °C, medium inlet 45 °C, medium outlet 40 °C, 0% glycol concentration, max. air flow volume
3) Distance of 1.0 m in a 100 m
3
space with a reverberation time of 0.3 s
Series
KWK
360ZW
KWK
420ZW
KWK
590ZW
KWK
680ZW
KWK
740ZW
KWK
870ZW
Operating mode
Chilled water units for partition wall and suspended ceiling installation, 2-conductor version
Rated cooling output
1)
kW
3.61
4.19
5.93
6.8
7.4
8.66
Rated cooling output, sensitive
1)
kW
2.8
3.31
4.61
5.36
5.65
6.72
Rated heating output
2)
kW
3.95
4.69
6.46
7.54
7.9
9.45
Application area (room volume), approx.
m³
120
150
190
220
240
280
Operating range - indoor unit
°C
+15 to +35
Air flow volume per stage
m³/h
282/462/611 328/524/751 468/724/1001 538/843/1203 524/873/1195 612/1037/1489
Sound pressure level per stage
3)
dB(A)
22/32/39
24/36/44
29/40/47
32/43/51
29/38/45
31/41/49
Sound power level per stage
dB(A)
30/40/47
32/44/52
37/48/55
40/51/59
37/46/53
39/49/57
Static pressure, max.
Pa
30
40
70
70
50
60
Power supply
V/Hz
230/1~/50
Enclosure class
IP
X0
Electr. rated power consumption
1)
kW
72
92
121
145
145
179
Electr. rated current consumption
1)
A
0.29
0.38
0.56
0.69
0.69
0.78
Operating medium
Water; max. 35% ethylene glycol, max. 35% propylene glycol
Operating limits, medium - cooling
°C
+4 to +18
Operating limits, medium - heating
°C
+35 to +80
Max. operating pressure, medium
kPa
600
Nominal flow rate, medium - cooling
1)
m³/h
0.62
0.72
1.02
1.17
1.27
1.49
Nominal flow rate, medium - heating
2)
m³/h
0.68
0.81
1.11
1.3
1.36
1.62
Rated pressure drop, internal - cooling
1)
kPa
14
22
16
18
10
15.5
Rated pressure drop, internal - heating
2)
kPa
14.8
20.1
25.5
33.5
14.6
19.9
Medium connection, inlet
Inches
1/2 female
Medium connection, outlet
Inches
1/2 female
Medium volume
l
1.4
1.4
2.4
2.4
3
3
Condensate drainage connection
mm
19
Dimensions - Height
mm
216
216
226
226
226
226
Width
mm
910
910
1210
1210
1510
1510
Depth
mm
446
446
493
493
493
493
Weight
kg
15
15
25
25
35
35
Operating weight, approx.
kg
16.4
16.4
27.4
27.4
38
38
Serial number
1716...
1717...
1718...
1719...
1720...
1721...
EDP
1662275
1662285
1662295
1662305
1662315
1662325
27
