32
AC-SVX002C-EN
Table 12.
Low ambient refrigerant temperature cutout (LERTC) and low water temperature cutout (LWTC) —
propylene glycol (continued)
Glycol
Percentage
(%)
Solution
Freeze Point
(°F)
Minimum
Recommended
LERTC (°F)
Minimum
Recommended
LWTC (°F)
Minimum Chilled Water
Set Point
(°F)
11
25.7
19.7
29.7
35.4
12
25.1
19.1
29.1
34.8
13
24.4
18.4
28.4
34.1
14
23.8
17.8
27.8
33.5
15
23.1
17.1
27.1
32.8
16
22.4
16.4
26.4
32.1
17
21.6
15.6
25.6
31.3
18
20.9
14.9
24.9
30.6
19
20.1
14.1
24.1
29.8
20
19.3
13.3
23.3
29.0
21
18.4
12.4
22.4
28.1
22
17.6
11.6
21.6
27.3
23
16.7
10.7
20.7
26.4
24
15.7
9.7
19.7
25.4
25
14.8
8.8
18.8
24.5
26
13.8
7.8
17.8
23.5
27
12.7
6.7
16.7
22.4
28
11.6
5.6
15.6
21.3
29
10.5
4.5
14.5
20.2
30
9.3
3.3
13.3
19.0
31
8.1
2.1
12.1
17.8
32
6.8
0.8
10.8
16.5
33
5.5
-0.5
9.5
15.2
34
4.1
-1.9
8.1
13.8
35
2.7
-3.3
6.7
12.4
36
1.3
-4.7
5.3
11.0
37
-0.3
-6.3
3.7
9.4
38
-1.8
-7.8
2.2
7.9
39
-3.5
-9.5
0.5
6.2
40
-5.2
-11.2
-1.2
4.5
41
-6.9
-12.9
-2.9
2.8
42
-8.8
-14.8
-4.8
0.9
43
-10.7
-16.7
-6.7
0.0
44
-12.6
-18.6
-7.0
0.0
45
-14.6
-20.6
-7.0
0.0
46
-16.7
-21.0
-7.0
0.0
47
-18.9
-21.0
-7.0
0.0
48
-21.1
-21.0
-7.0
0.0
49
-23.4
-21.0
-7.0
0.0
50
-25.8
-21.0
-7.0
0.0
