23
25
27
29
31
33
35
37
39
-25
-15
-5
5
15
25
35
1
2
3
4
5
6
7
8
T4(
℃
)
T1s(°C)
1
2
3
4
5
6
7
8
-25
-15
-5
5
15
25
35
T4(
℃
)
T1s(°C)
33
38
43
48
53
58
-5
5
15
25
35
45
T4(
℃
)
1
2
3
4
5
6
7
8
3
8
13
18
23
T1s(°C)
50
51
Low temperature curves for heating mode
High temperature curves for heating mode
Low temperature curves for cooling mode