Carrier 48NLT User Manual
Page 17
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Table 5 — Air Delivery (Cfm) at Indicated Temperature Rise and Rated Heating input
NOMINAL SIZE
HEATING
UNIT TEMPERATURE RISE (T)
INPUT (Btuh)
20
25
30
35
40
45
50
55
60
65
70
75
80
NLT018,024,030
40,000
-
-
987
846
740
658
592
538
493
-
-
-
-
NHT024; NMT030
60,000
-
-
-
-
-
987
888
808
740
683
634
592
-
NLT036,042
60,000
-
-
1481
1269
1111
987
888
808
740
-
-
-
-
NHT030; NMT036,042
80,000
-
-
-
-
-
1316
1185
1077
987
911
846
790
-
NLT048
80,000
-
2370
1975
1693
1481
1316
1185
1077
-
-
-
-
-
NLT060
80,000
2962
2370
1975
1693
1481
1316
1185
-
-
-
-
-
-
NET036,042
96,000
-
-
-
-
1777
1580
1422
1292
1185
1096
1015
-
-
NHT036,042; NMT048
100,000
-
-
-
2116
1851
1646
1481
1346
1234
1139
-
-
-
NMT060
100,000
-
-
2469
2116
1851
1646
1481
1346
1234
-
-
-
-
NVT036,042; NHT048
120,000
-
-
-
-
-
-
1777
1616
1481
1367
1269
1185
1111
NHT060
120,000
-
-
-
2539
2222
1975
1777
1616
1481
1367
-
-
-
NVT048,060
144,000
-
-
-
-
-
2370
2133
1939
1777
1641
1523
1422
-
f
NOTE: Dashed areas of the table do not fall In the approved temperature rise range of the unit
Table 6 — Superheat Charging Table*
TEMP (F)
50
52
54
56
58
60
62
64
66
68
70
72
74
76
55
9
12
14
17
20
23
26
29
32
35
37
40
42
45
60
7
10
12
15
18
21
24
27
30
33
35
38
40
43
65
—
6
10
13
16
19
21
24
27
30
33
36
38
41
70
-
-
7
10
13
16
19
21
24
27
30
33
36
39
75
—
-
—
6
9
12
15
18
21
24
28
31
34
37
80
-
-
-
-
5
8
12
15
18
21
25
28
31
35
85
-
-
-
-
-
-
8
11
15
19
22
26
30
33
90
—
—
-
—
-
5
9
13
16
21
24
27
31
95
-
-
-
-
-
-
-
6
10
14
18
22
25
29
100
-
-
-
-
-
-
-
-
8
12
15
20
23
27
105
-
-
-
-
-
-
-
-
5
9
13
17
22
26
110
-
-
-
-
-
-
-
-
-
6
11
15
20
25
115
-
-
-
-
-
-
-
-
-
-
8
14
18
23
•Superheat at suction service valve.
NOTE: Do not attempt to charge system under these conditions; refrigerant slugging may occur
Table 7 — Required Suction-Tube Temperature (F)*
TEMP (F)
61.5
64.2
67.1
70.0
73.0
76.0
79.2
82.4
85.7
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
16
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
32
67
69
71
73
75
77
79
81
83
34
69
71
73
75
77
79
81
83
85
36
71
73
75
77
79
81
83
85
87
38
73
75
77
79
81
83
85
87
89
40
75
77
79
81
83
85
87
89
91
•Temperature at suction service valve
17