Pressure Drops - AERMEC WRL 200 Technical Manual

10.

PRESSURE DROPS

EVAPORATOR PRESSURE DROP COOLING MODE FUNCTIONING
The diagram pressure drops are related to an average water temperature of 10 °C/50°F.
kPa
psi
110
16
15
100
14
90
13
12
80
11
70
10
9
60
8
50
7
6
40
5
30
4
3
20
2
10
1
0
0
0 5000
0 10 20
EVAPORATOR
Average water temperature (°C / °F)
Multiplicative coefficient
CONDENSER PRESSURE DROP COOLING MODE FUNCTIONING
The diagram pressure drops are related to an average water temperature of 10 °C/50°F.
kPa
psi
110
16
15
100
14
90
13
12
80
11
70
10
9
60
8
50
7
6
40
5
30
4
3
20
2
10
1
0 0
0 5000
0 10 20
CONDENSER
Average water temperature (°C / °F)
Multiplicative coefficient
The curves represent the pressure drops (Min. ∆10), (Max ∆3).
WARNING: verify the calibration of the flow switch according to the system operating conditions.
The hydraulic circuit is protected by a safety valve calibrated at 6 bar.
WRL 200-400
10000 15000 20000
30 40 50 60 70 80
WATER FLOW RATE
5/41 10/50
1,02 1,00
WRL 200-400
10000 15000 20000
30 40 50 60 70 80
WATER FLOW RATE
23/73,4 28/82,4 33/91,4 38/100,4 43/109,4 48/118,4 53/127,4 58/136,4
1,02 1,01 1,00
WRL 500
25000 30000
90 100 110 120 130 140
15/59 20/68 25/77
0,98 0,97 0,96
WRL 500
25000 30000
90 100 110 120 130 140
0,99 0,98 0,97
Water flow rate MIN e MAX
WRL
Model u.m.
WRL 200 gpm
WRL 400 gpm
WRL 500 gpm
ATTENTION
• Lower water flow speed might get some
substance deposited in the heat exchanger
• Higher water flow speed might cause
mechanical damages
35000 l/h
150 154 gpm
30/86 35/95
0,95 0,94
Water flow rate MIN e MAX
WRL
Model u.m.
WRL 200 gpm
WRL 400 gpm
WRL 500 gpm
ATTENTION
• Lower water flow speed might get some
substance deposited in the heat exchanger
• Higher water flow speed might cause
mechanical damages
35000 l/h
150 154 gpm
0,96 0,95
IWRLPY. 1403. 5890710_01
MIN MAX
9,03 95,10
11,67 95,10
11,67 95,10
MIN MAX
7,71 95,10
7,71 95,10
7,71 95,10
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