11
Table 8 – Superheat Charging (Heat Pump Only)
OUTDOOR TEMP (°F)
EVAPORATOR ENTERING AIR TEMPERATURE (°F WB)
50
52
54
56
58
60
62
64
67
68
70
72
74
76
55
11
11
12
12
12
13
17
20
24
24
25
25
25
25
60
6
6
7
7
7
7
12
16
21
22
23
23
23
23
65
–
–
–
–
–
3
7
12
18
19
21
21
22
22
70
–
–
–
–
–
–
–
7
14
16
18
20
20
20
75
–
–
–
–
–
–
–
3
11
13
16
18
18
19
82
–
–
–
–
–
–
–
–
*6
8
12
15
16
17
85
–
–
–
–
–
–
–
–
4
7
11
14
15
16
90
–
–
–
–
–
–
–
–
–
4
8
12
14
15
95
–
–
–
–
–
–
–
–
–
–
6
10
12
14
100
–
–
–
–
–
–
–
–
–
–
4
8
11
12
105
–
–
–
–
–
–
–
–
–
–
3
6
9
11
110
–
–
–
–
–
–
–
–
–
–
–
5
7
10
115
–
–
–
–
–
–
–
–
–
–
–
3
6
8
*Optimum performance point, 82°F outdoor ambient and (80°F dry bulb),( 67°F wet bulb) indoor conditions. (DOE B Test Conditions)
Where a dash (––) appears do not attempt to charge system under these conditions or refrigerant slugging may occur. Charge must be weighed in.
Note
: Superheat °F is at low–side service port, Allow a tolerance of ± 3°F
Note
: Indoor dry bulb between 70°F and 80°F
Table 9 – Required Suction–Line Temperature
SUPERHEAT TEMP (°F)
SUCTION PRESSURE AT SERVICE PORT (PSIG)
107.8
112.2
116.8
121.2
126
130.8
138.8
140.8
145.8
0
35
37
39
41
43
45
47
49
51
2
37
39
41
43
45
47
49
51
53
4
39
41
43
45
47
49
51
53
55
6
41
43
45
47
49
51
53
55
57
8
43
45
47
49
51
53
55
57
59
10
45
47
49
51
53
55
57
59
61
12
47
49
51
53
55
57
59
61
63
14
49
51
53
55
57
59
61
63
65
16
51
53
55
57
59
61
63
65
67
18
53
55
57
59
61
63
65
67
69
20
55
57
59
61
63
65
67
69
71
22
57
59
61
63
65
67
69
71
73
24
59
61
63
65
67
69
71
73
75
26
61
63
65
67
69
71
73
75
77
28
63
65
67
69
71
73
75
77
79
30
65
67
69
71
73
75
77
79
81
