Pressure Drops Cooling Only; 2-Pipe System Pressure Drops Heating Only - AERMEC VED 030I EU Manuel Technique

PRESSURE DROPS COOLING ONLY

The pressure drops in the previous diagram relate to an average water temperature of 50 °F (10 °C).
The table below states the correction to apply to the pressure drops on variation of the average water temperature.
Water medium temperature
Water medium temperature

2-PIPE SYSTEM PRESSURE DROPS HEATING ONLY

4-PIPE SYSTEM PRESSURE DROPS HEATING ONLY
The pressure drops in the previous diagram relate to an average water temperature of 50 °F (10 °C).
The table below states the correction to apply to the pressure drops on variation of the average water temperature.
Water medium temperature
Multiplicative coefficients
IVEDITI 0121 4880985_00
10
478 140
409
120
341
100
273
80
205
60
VED 040I
136 40
68
20
0
0
0 200 400 600 800
0 0,881 1,761 2,642 3,522
Water flow rate [l/h-gpm]
°C 41 50
°F 105 122
1.03 1
409
120
341
100
273 80
205 60
136 40
68 20
0
0
0 200 400 600
0 0,881 1,761 2,642
Water flow rate [l/h-gpm]
307
90
273
80
239
70
205
60
171 50
136
40
102
30
68
20
34
10
0
0
0 100 200
0 0,440 0,881
Water flow rate l/h-gpm]
°C 5 10
°F 41 50
1.03 1
VED 230I
VED 240I
VED 130I
VED 030I
VED 340I
VED 140I
VED 330I
1000 1200 1400 1600 1800
4,403 5,283 6,164 7,045 7,925
59 68
138 154
0.96 0.91
VED 230I
VED 040I
VED 030I
VED 340I
VED 130I
VED 140I
VED 330I
VED 240I
800 1000 1200 1400 1600
3,522 4,403 5,283 6,164 7,045
VED 130I
VED 030I
300 400 500 600
1,321 1,761 2,201 2,642
15 20
59 68
0.96 0.91
122 140 158
251 284 316
0.78 0.75 0.72
1800
7,925
VED 230I
700
3,082
50 60 70
122 140 158
0.78 0.75 0.72