Daikin EWWT100Q - Table 1 -Minimum Percentage of Glycol for the Low Water Temperature

D-EIMHP01702-23_00EN- 19/72
A
Operation with Water
B
Operation with Glycol + Water Solution
The evaporator water inlet must never exceed the temperature of 40°c.
The charts shown above constitute a guideline on operating limits in the range.
Refer to the CSS selection software for the actual operating limits in the working conditions for each
model.
Table 1 –Minimum percentage of glycol for the low water temperature
Type
Concentration
(wt%) (1)
0
10
20
30
40
Ethylene
glycol
Freezing point (°C)
0
-4
-9
-16
-23
Minimum LWE (2)
5
2
0
-5
-11
Propylene
glycol
Freezing point (°C)
0
-3
-7
-13
-22
Minimum LWE (2)
5
3
-2
-4
-10
Legend:
(1) Minimum percentage of glycol to prevent freezing of the water circuit at the indicated ambient air temperature
(2) Ambient air temperature that exceeds the operating limits of the unit.
Protection of the water circuit is necessary in the winter season, even with the unit not in operation.