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ETHYLENE GLYCOL CORRECTION TABLE
% Ethylene glycol weight
10%
15%
20%
25%
30%
35%
Lowest outlet water temperature
Suggested security limit Cooling
capacity coefficient
Power input coefficient
Flow rate coefficient
Pressure drop coefficient
°C
4
2
0
-2,8
-6
-10
°C
1
-1
-4
-6
-10
-14
-
0,99
0,985
0,981
0,977
0,974
0,971
-
0,993
0,99
0,988
0,986
0,984
0,982
-
1,04
1,05
1,07
1,08
1,09
1,11
-
1,11
1,17
1,23
1,31
1,39
1,47
In order to calculate performance with glycol solutions multiply main sizes by respective coefficients.
GLYCOL PERCENTAGE DEPENDING ON FREEZINGTEMPERATURE
% glycol according to the freezing temperature
Freezing temperature
0°C
-5°C
-10°C
-15°C
-20°C
-25°C
% Ethylene glycol
Flow rate coefficient
5%
12%
20%
28%
35%
40%
1,02
1,04
1,07
1,09
1,11
1,13
In order to calculate performance with glycol solutions multiply main sizes by respective coefficients.
IMPORTANT:
An oversized water pump as on board unit pump is required for operation with glycol >25%.
If any doubt please contact your Trane Sales Office
Summary of Contents for CCUF
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