Altech VR Mini Manual page 7

Tz – inlet water temperature, Tp – outlet water temperature, Tp1 – inlet air temperature, Tp2 – outlet air temperature,
Pg – heating capacity, Qw – water flow, Qp – air flow rate, Δp – pressure drop in the heat exchanger
T Q
p1 p
[°C] [m/h]
4850
0 3600
2400
4850
5 3600
2400
4850
10 3600
2400
4850
15 3600
2400
4850
20 3600
2400
Tz – inlet water temperature, Tp – outlet water temperature, Tp1 – inlet air temperature, Tp2 – outlet air temperature,
Pg – heating capacity, Qw – water flow, Qp – air flow rate, Δp – pressure drop in the heat exchanger
T Q
p1 p
[°C] [m/h]
5700
0 4100
3000
5700
5 4100
3000
5700
10 4100
3000
5700
15 4100
3000
5700
20 4100
3000
90/70 [°C]
P T Q Δp P
g p2 w g
[kW] [°C] m/h] [kPa] [kW]
50.1 30.7 2.21 23.8 43.1
41.9 34.7 1.86 17.2 36.5
32.7 40.6 1.45 10.8 28.3
46.7 33.7 2.07 21.1 39.9
39.3 37.5 1.74 15.2 33.6
30.6 43.1 1.36 9.6 26.2
43.6 36.8 1.93 18.5 36.7
36.6 40.4 1.62 13.4 30.9
28.6 45.5 1.27 8.4 24.2
40.4 39.8 1.79 16 33.5
34 43.1 1.51 11.6 28.2
26.5 48 1.18 7.3 22.1
37.2 42.8 1.65 13.7 30.3
31.3 45.9 1.39 10 25.5
24.5 50.4 1.09 6.3 20
90/70 [°C]
P T Q Δp P
g p2 w g
[kW] [°C] m/h] [kPa] [kW]
75.1 39 3.31 32.6 64.5
60.6 44.1 2.69 22 52.5
49.5 49.2 2.19 15 42.9
69.9 41.6 3.1 28.9 59.8
56.8 46.3 2.52 19.5 48.7
46.4 51.1 2.06 13.3 39.8
65.2 44.1 2.89 25.3 55
53 48.6 2.35 17.1 44.9
43.3 53.1 1.92 11.7 36.7
60.4 46.6 2.68 21.9 50.2
49.2 50.8 2.18 14.9 41
40.2 55 1.78 10.2 33.6
55.6 49.1 2.47 18.8 45.4
45.3 53 2.01 12.8 37.1
37.1 56.9 1.64 8.8 30.4
Altech VR2
Parameters T /T [°C]
z p
80/60 [°C] 70/50 [°C]
T Q Δp P T
p2 w g p2
[°C] m/h] [kPa] [kW] [°C]
26.5 1.9 18.3 36.2 22.3
30 1.6 13.3 30.5 25.3
35.2 1.25 8.4 23.9 29.7
29.5 1.76 15.9 33.1 25.3
32.8 1.48 11.5 27.9 28.1
37.6 1.16 7.3 21.8 32.1
32.6 1.62 13.6 29.8 28.4
35.6 1.36 9.9 25.2 30.9
40 1.07 6.3 19.7 34.5
35.6 1.48 11.5 26.6 31.3
38.4 1.25 8.3 22.4 33.6
42.5 0.98 5.3 17.6 36.9
38.6 1.34 9.5 23.3 34.3
41.1 1.13 6.9 19.7 36.3
44.8 0.88 4.4 15.5 39.2
Altech VR3
Parameters T /T [°C]
z p
80/60 [°C] 70/50 [°C]
T Q Δp P T
p2 w g p2
[°C] m/h] [kPa] [kW] [°C]
33.8 2.85 25.1 54.3 28.4
38.2 2.32 17 44.3 32.2
42.7 1.89 11.6 36.3 36.1
36.3 2.64 21.7 49.6 31
40.4 2.15 14.8 40.5 34.4
44.6 1.76 10.1 33.1 37.9
38.8 2.43 18.6 44.8 33.4
42.6 1.98 12.7 36.6 36.6
46.5 1.62 8.7 30 39.8
41.3 2.22 15.7 40 35.9
44.8 1.81 10.7 32.7 38.8
48.4 1.48 7.4 26.8 41.6
43.8 2 13 35 38.3
47 1.64 8.9 28.7 40.9
50.2 1.34 6.1 23.6 43.4
50/30 [°C]
Q Δp P T Q
w g p2 w
m/h] [kPa] [kW] [°C] m/h]
1.59 13.5 22.3 13.7 0.97
1.34 9.8 18.8 15.6 0.82
1.05 6.2 14.8 18.4 0.64
1.45 11.4 19 16.7 0.83
1.22 8.3 16.1 18.3 0.7
0.96 5.3 12.6 20.7 0.55
1.31 9.4 15.6 19.6 0.68
1.11 6.8 13.2 21 0.58
0.87 4.4 10.4 22.9 0.45
1.17 7.6 12.2 22.5 0.53
0.99 5.5 10.3 23.5 0.45
0.77 3.5 8 25 0.35
1.02 5.9 8.4 25.2 0.37
0.86 4.3 7 25.8 0.31
0.68 2.8 5.3 26.6 0.23
50/30 [°C]
Q Δp P T Q
w g p2 w
m/h] [kPa] [kW] [°C] m/h]
2.39 18.4 33.6 17.6 1.46
1.95 12.5 27.5 20 1.2
1.59 8.6 22.6 22.5 0.98
2.18 15.5 28.7 20 1.25
1.78 10.6 23.5 22.1 1.02
1.46 7.3 19.3 24.2 0.84
1.97 12.8 23.7 22.4 1.03
1.61 8.8 19.4 24.1 0.84
1.32 6.1 15.9 25.8 0.69
1.76 10.3 18.4 24.6 0.8
1.44 7.1 15.1 26 0.66
1.18 4.9 12.4 27.3 0.54
15.4 8.1 12.8 26.7 0.56
1.26 5.6 10.4 27.5 0.45
1.04 3.9 8.3 28.2 0.36
Δp
[kPa]
5.7
4.2
2.7
4.3
3.1
2
3
2.2
1.4
1.9
1.4
0.9
1
0.7
0.4
Δp
[kPa]
7.8
5.4
3.7
5.8
4
2.8
4.1
2.8
2
2.6
1.8
1.2
1.3
0.9
0.6
7