Carrier 38ASB Series Installation, Start-Up And Service Instructions Manual page 8

TABLE 5
Superheat Charging Table
(Superheat Entering Suction Service Valve)
OUTDOOR
INDOOR COIL ENTERING AIR (
0
TEMP ( F)
50 52 54 56 58 60
55 9 12 14 17 20 23
60 7 10 12 15 18 21
65 -- 6 10 13 16 19
70 -- -- 7 10 13 16
75 -- -- -- 6 9 12
80 -- -- -- -- 5
85 -- -- -- -- --
90 -- -- -- -- --
95 -- -- -- -- --
100 -- -- -- -- --
105 -- -- -- -- --
110 -- -- -- -- --
115 -- -- -- -- --
- Do not attempt to charge system under these conditions of
refrigerant slugging may occur.
TABLE 6
Required Suction Tube Temperature (
(Entering Suction Service Valve)
SUPERHEAT SUCTION PRESSURE AT SERVICE PORT (psig)
0
TEMP ( F)
61.5 64.2 67.1 70.0
0 35 37 39 41
2 37 39 41 43
4 39 41 43 45
6 41 43 45 47
8 43 45 47 49
10 45 47 49 51
12 47 49 51 53
14 49 51 53 55
16 51 53 55 57
18 53 55 57 59
20 55 57 59 61
22 57 59 61 63
24 59 61 63 65
26 61 63 65 67
28 63 65 67 69
30 65 67 69 71
32 67 69 71 73
34 69 71 73 75
36 71 73 75 77
38 73 75 77 79
40 75 77 79 81
0
F) WET-BULB
62 64 66 68 70 72 74 76
26 29 32 35 37 40 42 45
24 27 30 33 35 38 40 43
21 24 27 30 33 36 38 41
19 21 24 27 30 33 36 39
15 18 21 24 28 31 34 37
8 12 15 18 21 25 28 31 35
-- 8 11 15 19 22 26 30 33
-- 5 9 13 16 20 24 27 31
-- -- 6 10 14 18 22 25 29
-- -- -- 8 12 15 20 23 27
-- -- -- 5 9 13 17 22 26
-- -- -- -- 6 11 15 20 25
-- -- -- -- -- 8 14 18 23
0
F)
73.0 76.0 79.2 82.4 85.7
43 45 47 49 51
45 47 49 51 53
47 49 51 53 55
49 51 53 55 57
51 53 55 57 59
53 55 57 59 61
55 57 59 61 63
57 59 61 63 65
59 61 63 65 67
61 63 65 67 69
63 65 67 69 71
65 67 69 71 73
67 69 71 73 75
69 71 73 75 77
71 73 75 77 79
73 75 77 79 81
75 77 79 81 83
77 79 81 83 85
79 81 83 85 87
81 83 85 87 89
83 85 87 89 91
Superheat Charging Table
(Superheat Entering Suction Service Valve)
OUTDOOR
INDOOR COIL ENTERING AIR (
0
TEMP ( C)
10 11.1 12.2 13.3
12.8 5 6.7 7.8 9.4
15.5 3.9 5.6 6.7 8.3
18.3 -- 3.3 5.8 7.2
21.1 -- -- 3.9 5.6
23.9 -- -- -- 3.3
26.7 -- -- -- --
29.4 -- -- -- --
32.2 -- -- -- --
36.0 -- -- -- --
37.8 -- -- -- --
40.6 -- -- -- --
43.3 -- -- -- --
46.1 -- -- -- --
- Do not attempt to charge system under these conditions or
refrigerant slugging may occur.
Required Suction Tube Temperature (
(Entering Suction Service Valve)
SUPERHEAT SUCTION PRESSURE AT SERVICE PORT (KPaG)
0
TEMP ( K)
424 443 463 483
0 1.7 2.8 3.9 5
1.1 2.8 3.9 5 6.1
2.2 3.9 5 6.1 7.2
3.3 5 6.1 7.2 8.3
4.4 6.1 7.2 8.3 9.4
5.6 7.2 8.3 9.4 10.6
6.7 8.3 9.4 10.6 11.7
7.8 9.4 10.6 11.7 12.8
8.9 10.6 11.7 12.8 13.9
10.0 11.7 12.8 13.9 15
11.1 12.8 13.9 15 16.1
12.2 13.9 15 16.1 17.2
13.3 15 16.1 17.2 18.3
14.4 16.1 17.2 18.3 19.4
15.6 17.2 18.3 19.4 20.6
16.7 18.3 19.4 20.6 21.7
17.8 19.4 20.6 21.7 22.8
18.9 20.6 21.7 22.8 23.9
20.0 21.7 22.8 23.9 25
21.2 22.8 23.9 25 26.1
22.2 23.9 25 26.1 27.2
0
C) WET-BULB
14.4 15.6 16.7 17.8 18.9 20 21.1
11.1 12.8 14.4 16.1 17.8 19.4 20.6
10 11.7 13.3 15 16.7 18.3 19.4
8.9 10.6 11.7 13.3 15 16.7 18.3
7.2 8.9 10.6 11.7 13.3 15 16.7
5 6.7 8.3 10 11.7 13.3 15.6
2.8 4.4 6.7 8.3 10 11.7 13.9
-- -- 4.4 6.1 8.3 10.6 12.2
-- -- 2.8 5 7.2 8.9 11.1
-- -- -- 4.4 5.6 7.8 10
-- -- -- -- 3.3 6.7 8.3
-- -- -- -- 2.8 5 7.2
-- -- -- -- -- 3.3 6.1
-- -- -- -- -- -- 4.4
0
C)
503 524 546 568 591
6.1 7.2 8.3 9.4 10.6
7.2 8.3 9.4 10.6 11.7
8.3 9.4 10.6 11.7 12.8
9.4 10.6 11.7 12.8 13.9
10.6 11.7 12.8 13.9 15
11.7 12.8 13.9 15 16.1
12.8 13.9 15 16.1 17.2
13.9 15 16.1 17.2 18.3
15 16.1 17.2 18.3 19.4
16.1 17.2 18.3 19.4 20.6
17.2 18.3 19.4 20.6 21.7
18.3 19.4 20.6 21.7 22.8
19.4 20.6 21.7 22.8 23.9
20.6 21.7 22.8 23.9 25
21.7 22.8 23.9 25 26.1
22.8 23.9 25 26.1 27.2
23.9 25 26.1 27.2 28.3
25 26.1 27.2 28.3 29.4
26.1 27.2 28.3 29.4 30.6
27.2 28.3 29.4 30.6 31.7
28.3 29.4 30.6 31.7 32.8
22.2 23.3 24.4
22.2 23.3 25
21.1 22.2 23.9
20 21.1 22.8
18.3 20 21.7
17.2 18.9 20.6
15.6 17.2 19.4
14.4 16.7 18.3
13.3 15 17.2
12.2 13.9 16.1
11.1 12.8 15
9.40 12.2 14.4
8.3 11.1 13.9
7.8 10 12.8
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