036-21044-003-A-0304
14 Unitary Products
TABLE 4: COOLING CAPACITY 7-1/2 TON UNIT - IMPERIAL
Air On
Evap. Coil
Temperature of Air on Condenser Coil 85°F Temperature of Air on Condenser Coil 95°F
CFM
WB
(°F)
Tot.
Cap.
1
(MBH)
Tot.
Input
2
(kW)
Sensible Capacity (MBH)
1
Return Dry Bulb (°F)
Tot.
Cap.
1
(MBH)
Tot.
Input
2
(kW)
Sensible Capacity (MBH)
1
Return Dry Bulb (°F)
86 83 80 77 74 71 68 86 83 80 77 74 71 68
2250
72
104 8.6 60 54 47 41 34 - - 98 9.2 57 50 44 37 31 - -
67
96 8.4 74 68 61 55 48 42 35 90 9.0 71 64 58 51 45 39 32
62
88 8.2 87 81 75 68 62 55 49 80 8.6 80 75 69 63 56 50 43
57
84 8.2 84 83 77 71 64 58 51 78 8.6 78 77 71 64 58 51 45
2625
72
107 8.7 66 59 51 43 36 - - 101 9.3 63 55 48 40 32 - -
67
99 8.5 81 73 66 58 51 43 35 92 9.1 78 71 63 55 48 40 33
62
90 8.3 90 87 80 73 65 58 50 83 8.7 83 80 75 68 60 52 45
57
87 8.2 87 86 83 75 68 60 53 81 8.7 81 80 77 69 62 54 46
3000
72
110 8.8 72 63 55 46 37 - - 104 9.4 69 60 51 43 34 - -
67
102 8.6 88 79 71 62 53 44 36 95 9.2 86 77 68 59 51 42 33
62
93 8.3 93 93 86 77 69 60 51 86 8.8 86 86 81 72 64 55 46
57
89 8.3 89 89 89 80 71 63 54 83 8.8 83 83 83 74 66 57 48
3375
72
112 8.8 77 68 58 48 38 - - 106 9.4 74 64 54 44 34 - -
67
104 8.6 94 84 74 64 54 44 35 97 9.2 92 82 72 62 52 42 32
62
95 8.4 95 95 91 81 71 61 51 87 8.9 87 87 85 75 65 55 45
57
91 8.3 91 91 91 81 71 61 51 84 8.9 84 84 84 74 64 55 45
3750
72
115 8.9 83 72 61 49 38 - - 108 9.5 79 68 57 46 34 - -
67
106 8.7 101 89 78 67 56 45 33 99 9.3 97 86 75 64 53 42 30
62
97 8.4 97 97 95 84 73 62 51 88 8.9 88 88 88 77 66 55 44
57
92 8.4 92 92 92 81 70 59 48 86 8.9 86 86 86 75 63 52 41
Temperature of Air on Condenser Coil 105°F Temperature of Air on Condenser Coil 115°F
2250
72
91 9.8 54 48 41 35 28 - - 84 10.4 51 45 39 32 26 - -
67
81 9.5 67 61 54 48 42 35 29 73 10.0 64 57 51 45 38 32 25
62
73 9.1 73 71 64 58 51 45 38 66 9.7 66 66 59 53 46 40 34
57
71 9.1 71 71 64 58 52 45 39 65 9.7 65 65 58 52 45 39 33
2625
72
94 9.9 60 52 45 37 30 - - 87 10.5 57 50 42 35 27 - -
67
84 9.6 74 67 59 52 44 37 29 76 10.1 71 63 56 48 40 33 25
62
75 9.3 75 74 70 62 55 47 40 68 9.8 68 68 65 57 49 42 34
57
74 9.3 74 73 70 63 55 47 40 67 9.8 67 67 64 56 48 41 33
3000
72
97 10.0 66 57 49 40 31 - - 89 10.6 63 54 46 37 28 - -
67
87 9.7 82 73 64 55 47 38 29 78 10.2 78 69 60 52 43 34 25
62
78 9.4 78 78 76 67 58 49 41 70 9.9 70 70 70 61 53 44 35
57
76 9.4 76 76 76 67 58 50 41 69 9.9 69 69 69 60 51 43 34
3375
72
99 10.1 71 61 51 41 31 - - 91 10.7 68 58 48 38 28 - -
67
88 9.8 85 78 68 58 48 38 28 80 10.3 79 74 64 54 44 34 24
62
79 9.4 79 79 78 68 58 48 38 71 10.0 71 71 71 61 51 42 32
57
77 9.4 77 77 77 67 57 47 37 70 10.0 70 70 70 60 50 40 30
3750
72
101 10.1 76 65 54 43 32 - - 93 10.8 73 62 51 40 29 - -
67
90 9.8 89 82 71 60 49 38 27 81 10.4 81 79 67 56 45 34 23
62
81 9.5 81 81 81 69 58 47 36 73 10.1 73 73 73 62 50 39 28
57
79 9.5 79 79 79 68 56 45 34 72 10.1 72 72 72 60 49 38 27
Temperature of Air on Condenser Coil 125°F
2250
72
77 11.0 49 42 36 30 23 - -
67
65 10.5 60 54 48 41 35 28 22
62
59 10.2 59 59 54 48 42 35 29
57
58 10.2 58 58 52 46 39 33 26
2625
72
80 11.1 55 47 39 32 24 - -
67
67 10.6 67 60 52 44 37 29 22
62
60 10.3 60 60 59 52 44 37 29
57
60 10.3 60 60 57 49 42 34 27
3000
72
82 11.2 60 51 43 34 25 - -
67
69 10.8 69 65 56 48 39 30 21
62
62 10.4 62 62 62 56 47 38 29
57
62 10.5 62 62 62 53 44 36 27
3375
72
84 11.4 65 55 45 35 26 - -
67
71 10.9 71 70 60 50 40 30 20
62
64 10.5 64 64 64 55 45 35 25
57
63 10.6 63 63 63 53 43 33 23
3750
72
85 11.5 70 59 48 37 26 - -
67
72 11.0 72 72 63 52 41 30 19
62
65 10.6 65 65 65 54 43 31 20
57
64 10.7 64 64 64 53 42 31 20
1 These capacities are gross ratings. For net
capacity, deduct air blower motor, MBH = 3.415
x kW. Refer to the appropriate Blower Perfor-
mance Table for the kW of the supply air
blower motor.
2 These ratings include condenser fan motors
and the compressor motors but not the supply
air blower motor.
