Carrier 38CMC Installation And Start-Up Instructions Manual page 6

OUTDOOR
TEMP
50
(°F)
55 9
60 7
65 —
70 —
75 —
80 —
85 —
90 —
95 —
100 —
105 —
110 —
115 —
— 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.
SUPERHEAT
TEMP
61.5
(°F)
0 35
2 37
4 39
6 41
8 43
10 45
12 47
14 49
16 51
18 53
20 55
22 57
24 59
26 61
28 63
30 65
32 67
34 69
36 71
38 73
40 75
Table 4—Superheat Charging
EVAPORATOR ENTERING AIR TEMPERATURE (°F WB)
52 54 56 58
12 14 17 20
10 12 15 18
6 10 13 16
— 7 10 13
— — 6 9
— — — 5
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
Table 5—Required Suction-Line Temperature (°F)
SUCTION PRESSURE AT SERVICE PORT (PSIG)
64.2 67.1
37 39
39 41
41 43
43 45
45 47
47 49
49 51
51 53
53 55
55 57
57 59
59 61
61 63
63 65
65 67
67 69
69 71
71 73
73 75
75 77
77 79
60 62 64 66
23 26 29 32
21 24 27 30
19 21 24 27
16 19 21 24
12 15 18 21
8 12 15 18
— 8 11 15
— 5 9 13
— — 6 10
— — — 8
— — — 5
— — — —
— — — —
70.0 73.0 76.0
41 43 45
43 45 47
45 47 49
47 49 51
49 51 53
51 53 55
53 55 57
55 57 59
57 59 61
59 61 63
61 63 65
63 65 67
65 67 69
67 69 71
69 71 73
71 73 75
73 75 77
75 77 79
77 79 81
79 81 83
81 83 85
6
68 70 72 74
35 37 40 42
33 35 38 40
30 33 36 38
27 30 33 36
24 28 31 34
21 25 28 31
19 22 26 30
16 20 24 27
14 18 22 25
12 15 20 23
9 13 17 22
6 11 15 20
— 8 14 18
79.2 82.4
47 49
49 51
51 53
53 55
55 57
57 59
59 61
61 63
63 65
65 67
67 69
69 71
71 73
73 75
75 77
77 79
79 81
81 83
83 85
85 87
87 89
76
45
43
41
39
37
35
33
31
29
27
26
25
23
85.7
51
53
55
57
59
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91