Carrier 42C Series Product Data page 85

SAT.
UNIT SUCT
SIZE TEMP
76/63
(F)
TH
35 21.0
40 17.1
06
45 13.2
50 9.8
35 27.5
40 23.1
08
45 18.3
50 13.8
35 32.2
40 27.7
10
45 22.4
50 17.4
35 36.9
40 31.6
12
45 25.7
50 20.0
35 41.1
40 35.9
14
45 29.8
50 23.7
35 58.4
40 48.3
16
45 37.5
50 27.7
35 65.1
40 54.5
18
45 42.8
50 31.8
35 70.7
40 59.6
20
45 47.3
50 35.5
LEGEND
db — Dry Bulb
TH — Total Heat
SH — Sensible Heat
wb — Wet Bulb
DX — CFM CORRECTION FACTORS
% OF
NOMINAL CFM
80
90
100
110
120
ENTERING AIR
TEMPERATURE (F)
100
50 0.455
55 0.409
60 0.363
65 0.318
70 0.272
75 0.227
80 0.182
NOTE: Hot Water Heating Capacity (MBtuh) = Base Capacity x Hot Water Capacity Correction Factor x SH (SH value found in Cooling Capacity Cor-
rection Factors table on page 84).
DIRECT-EXPANSION (DX) COIL COOLING CAPACITIES* (MBtuh)
4 ROW
78/65 80/67
SH TH SH TH
15.8 23.1 16.4 25.3
14.0 19.2 14.7 21.5
12.2 15.1 12.9 17.2
9.8 11.3 11.0 12.9
20.9 30.0 21.6 32.5
18.9 25.8 19.6 28.4
16.7 20.8 17.5 23.6
13.8 15.9 15.2 18.2
25.2 34.9 25.7 37.7
23.0 30.6 23.8 33.5
20.6 25.3 21.5 28.3
17.4 19.7 18.9 22.5
29.3 40.0 30.0 43.1
26.9 34.9 27.8 38.3
24.1 28.9 25.1 32.2
20.0 22.6 22.1 25.5
33.4 44.4 34.1 47.6
31.0 39.3 31.9 42.8
28.0 33.2 29.2 36.8
23.7 26.5 25.9 29.8
43.4 64.1 44.9 70.0
38.6 54.1 40.3 60.1
33.7 42.8 35.4 48.9
27.7 32.1 30.5 37.0
48.6 71.2 50.1 77.4
43.6 60.8 45.4 67.2
38.2 48.8 40.2 55.4
31.8 36.9 34.7 42.5
53.1 77.0 54.7 83.5
48.0 66.3 49.8 73.1
42.3 53.8 44.4 60.8
35.5 41.0 38.6 47.2
CORRECTION FACTOR
Total Sensible
0.95 0.93
0.97 0.96
1.00 1.00
1.02 1.04
1.05 1.08
42D HOT WATER CAPACITY CORRECTION FACTORS
110 120 130
0.545 0.636 0.727
0.500 0.591 0.682
0.455 0.545 0.636
0.409 0.500 0.591
0.363 0.455 0.545
0.318 0.409 0.500
0.272 0.363 0.455
Entering Air Temperature (F) — db/wb
82/69 76/63
SH TH SH TH
17.0 27.5 17.5 26.0
15.3 23.8 15.9 22.0
13.5 19.5 14.1 17.6
11.7 14.9 12.3 13.3
22.1 35.1 22.6 32.8
20.3 31.1 20.9 28.0
18.3 26.4 19.0 22.5
16.0 20.8 16.8 17.1
26.3 40.4 26.7 38.2
24.5 36.4 25.1 33.3
22.3 31.5 23.1 27.4
19.9 25.5 20.8 21.3
30.6 46.2 31.2 42.8
28.6 41.7 29.3 37.9
26.1 35.9 27.0 31.9
23.2 29.0 24.3 25.5
34.6 50.6 35.1 63.0
32.6 46.3 33.3 53.3
30.2 40.6 31.1 42.5
27.2 33.6 28.3 31.8
46.3 75.9 47.7 69.4
41.9 66.3 43.4 59.9
37.2 55.2 38.9 48.5
32.3 42.8 34.0 36.6
51.6 83.7 52.9 80.1
47.0 73.8 48.6 67.5
42.0 62.2 43.8 53.4
36.7 49.0 38.6 39.9
56.1 90.1 57.5 87.0
51.5 80.0 53.1 73.9
46.7 68.0 48.2 59.1
40.7 54.2 42.8 44.5
*Capacity based on R-22. For refrigerants other than R-22 consult factory.
Ratings at nominal cfm. All DX units to operate at high speed only.
NOTE: Consult factory for values outside of table.
DX Total Capacity (MBtuh) =
Base TH x Total Correction Factor
DX Sensible Capacity (MBtuh) =
Base SH x Sensible Correction Factor
% of Nominal Cfm =
ENTERING WATER TEMPERATURE (F)
140 150 160
0.818 0.909 1.000
0.773 0.864 0.955
0.727 0.818 0.909
0.682 0.773 0.864
0.636 0.727 0.818
0.591 0.682 0.773
0.545 0.636 0.727
6 ROW
78/65 80/67
SH TH SH TH
18.9 23.3 19.5 30.8
17.0 24.5 17.7 27.0
15.0 20.0 15.7 22.6
12.9 15.3 13.7 17.7
24.3 35.7 25.0 38.8
22.1 31.1 22.9 34.2
19.5 25.5 20.5 28.7
16.8 19.6 17.8 22.5
29.0 41.2 29.7 44.3
26.7 36.5 27.6 39.9
24.1 30.7 25.1 34.2
21.0 24.2 22.2 27.6
33.5 45.8 34.0 49.1
31.2 41.3 32.1 44.8
28.5 35.5 29.5 39.2
25.2 28.6 26.5 32.4
45.2 68.7 46.7 75.1
40.6 59.3 42.3 65.4
35.6 48.4 31.4 54.7
30.5 36.8 32.4 42.7
50.7 76.0 52.2 82.7
45.9 66.3 47.7 72.8
40.6 54.9 42.6 61.7
35.1 42.3 37.2 48.9
57.7 89.5 59.7 95.8
51.7 75.2 53.9 83.1
45.2 61.0 47.6 69.1
38.7 46.1 41.0 53.5
63.1 94.8 65.1 103.2
56.9 83.1 59.2 90.4
50.1 67.2 52.6 75.9
43.1 51.3 45.6 59.3
Actual Cfm
(from Air Delivery tables)
Nominal Cfm
170 180
1.091 1.182
1.045 1.136
1.000 1.091
0.955 1.045
0.909 1.000
0.864 0.955
0.818 0.909
82/69
SH TH SH
20.0 33.4 20.5
18.4 29.7 19.0
16.5 25.3 17.2
14.4 20.3 15.2
25.7 41.9 26.3
23.7 37.3 24.4
21.4 32.0 22.2
18.8 25.8 19.7
30.3 47.3 30.8
28.4 43.2 29.1
26.0 37.9 26.9
23.2 31.3 24.3
34.6 52.2 35.0
32.8 48.2 33.4
30.4 43.0 31.3
27.6 36.3 28.7
48.2 81.4 49.5
43.9 72.1 45.4
39.2 61.2 40.9
34.2 49.1 36.1
53.6 89.4 54.9
49.3 79.9 50.9
44.5 68.7 46.3
39.2 55.9 41.1
61.5 103.9 63.2
56.0 91.7 58.0
49.9 77.5 52.1
43.4 61.6 45.8
67.0 111.7 68.6
61.4 99.3 63.4
55.0 84.7 57.3
48.2 68.1 50.7
1980 200
1.273 1.364
1.227 1.318
1.182 1.273
1.136 1.227
1.091 1.182
1.045 1.136
1.000 1.091
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