Technical data
Series
KWD 25 EC
KWD 35 EC
KWD 45 EC
KWD 55 EC
Operating mode
Chilled water ceiling cassette with EC fans, single Euroraster format,
2-conductor version
Nominal cooling output
1)
kW
2.55
3.16
4.38
5.20
Nominal cooling output, sensitive
1)
kW
1.81
2.24
3.10
4.02
Nominal heat capacity
2)
kW
3.67
4.12
5.37
6.80
Application area (room volume), approx.
m³
70
90
120
150
Adjustment range, room temperature
°C
+16 to +30
Operating range - indoor unit
°C/%r.H.
+15 to +35 / 30 to 90, non-condensing
Air flow volume per stage
m³/h
180/220/320/390/440 220/320/390/440/520 215/343/397/566/684 229/606/665/793/974
Sound pressure level
3)
dB(A)
20/21/23/25/27 21/23/25/27/33 22/26/29/37/42 21/35/38/42/47
Power supply
V/Hz
230/1~/50
Enclosure class
IP
X0
Electr. rated power consumption
1)
kW
0.01
0.02
0.04
0.06
Electr. rated current consumption
1)
A
0.09
0.13
0.22
0.33
Operating medium
Water; max. 35 % ethylene-glycol, max. propylene-glycol max. 35 %
Operating limits, medium - cooling
°C
+4 to +18
Operating limits, medium - heating
°C
+30 to +70
Max. operating pressure, medium
kPa
1400
Minimum supply temperature, heating
°C
+28
Nominal flow rate, medium - cooling
1)
m³/h
0.45
0.55
0.78
0.91
Nominal flow rate, medium - heating
2)
m³/h
0.45
0.55
0.78
0.91
Rated pressure drop, internal
1)
kPa
10.2
15.0
25.1
23.1
Rated pressure drop, internal
2)
kPa
10.2
15.0
25.1
23.1
Medium connection, inlet
Inches
3/4 female
Medium connection, outlet
Inches
3/4 female
Medium volume
l
1.3
1.8
Condensate drainage connection
mm
19
Condensate pump, flow rate, max.
mmWS
1000
Dimensions: height
mm
258
298
width
mm
580
depth
mm
580
Dimensions: cover height
mm
28
cover width
mm
650
cover depth
mm
650
Weight
kg
28.0
31.0
Operating weight, approx.
kg
29.3
32.8
Cover standard colour
similar to RAL 9003
Serial number
1432...
1433...
1434...
1435...
EDP no.
1611880
1611882
1611884
1611886
1) Air inlet temperature TK 27°C / FK 19°C, medium inlet 7 °C, medium outlet 12 °C. 0% glycol concentration, max. air flow volume
2) Air inlet temperature TK 20°C, medium inlet 50 °C, medium outlet 45°C. 0% glycol concentration, max. air flow volume
3) Clearance of 1m, free field conditions
35
