MEES20K028
PWFY-P-
N
MU-
E
-BU, P-
NMU-E2-
A
U
62
15. INSTALLATION
AIR TO WATER
Brine
When (a) PWFY-AU is used for cooling purpose, or (b) PWFY-AU is installed in the temperature condition below freezing
temperature, Brine is required to add.
Set Dip SW 1-10 (on ATW unit) to ON if brine is added.
0
-30
[-22]
-25
[-13]
-20
[-4]
-15
[5]
-10
[14]
-5
[23]
0
[32]
5
[41]
10
20
30
40
50
60
70
Brine concentration (wt%)
Freezing temperature (ºC [ºF])
Brine concentration [wt%]
Ratio of capacity [-]
0
0
0.2
0.4
0.6
0.8
1
1.2
10
30
20
40
50
60
70
80
90
100
ethylene glycol
propylene glycol
Brine concentration (wt%)
Ratio of pressure drop (-)
0.5
1
1.5
2
2.5
3
3.5
4
0
10
30
20
40
50
60
70
80
90
100
ethylene glycol
propylene glycol
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