DVU HP brochure uk 06 2015 V3

DVU-HP
Cooling Capacity
Unit size DV 10 DV 15 DV 20 DV 25 DV 30 DV 40 DV 50 DV 60 DV 80
Recommended max.
airflow m
3
/s 0,8 1,2 1,6 2,0 2,5 3,0 4,0 4,8 5,3
Total cooling capacity kW 27 41 55 65 79 102 137 165 181
Capacity from the
cooling circuit kW 12 18 24 29 34 44 59 73 77
EER, total 7,2 7,1 6,7 6,9 7,1 7,6 8,0 7,5 8,2
Outdoor conditions: 34 °C/45% RH. Supply air: 16 °C. Extract air conditions: 23 °C/63% RH.
-1000
0
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
5500
6000
6000
7000
7000
8000
8000
9000
10000
12000
14000
16000
20000
40000
1,30
1,25
1,20
1,15
1,10
1,05
1,00
012345678910 11 12 13 14 15 16 17 18 19 20
-5
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
-10
0
10
20
30
40
50
60
70
80
-16
Mollier chart for moist air for p = 1 bar
Water vapour content [g/kg]
Specific enthalpy h [kJ/kg]
Relative humidity [%]
Air temperature [°C] Density [kg/m3]
5
5
10
10
15
15
20
30
40
50
60
70
80
90
100
S6
S1
S5
S2
S4
S3
W4
W3
W2
W5
W1
Summer
S1: Outdoor air
S2: After rotary heat exchanger
S3: After DVU-HP
S4: Extract air
S5: After rotary heat exchanger
S6: After DVU-HP
Winter
W1: Outdoor air
W2: After rotary heat exchanger
W3: After DVU-HP
W4: Extract air
W5: After rotary heat exchanger
4
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DVU-HP