036-21044-003-A-0304
18 Unitary Products
TABLE 8: COOLING CAPACITY 12-1/2 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
3750
72
150 11.8 90 80 69 58 47 - - 143 13.0 88 78 67 56 45 - -
67
140 11.5 115 104 94 83 72 61 51 132 12.6 111 101 90 79 69 58 47
62
123 11.2 123 116 105 95 84 73 63 117 12.4 117 112 102 91 80 70 59
57
118 11.3 118 116 105 95 84 73 63 111 12.5 111 111 100 90 79 68 57
4375
72
155 11.8 101 88 75 63 50 - - 148 13.0 98 86 73 61 48 - -
67
145 11.5 128 115 102 90 77 64 52 137 12.5 124 111 99 86 73 61 48
62
127 11.2 127 124 115 103 90 77 65 121 12.4 121 119 111 99 86 73 61
57
122 11.3 122 121 115 103 90 77 65 115 12.4 115 115 110 97 84 72 59
5000
72
161 11.8 111 96 82 67 53 - - 153 12.9 109 94 80 65 50 - -
67
150 11.5 140 126 111 97 82 67 53 142 12.5 136 122 107 92 78 63 49
62
132 11.3 132 132 125 111 96 82 67 125 12.3 125 125 121 106 92 77 63
57
126 11.3 126 126 125 111 96 82 67 119 12.4 119 119 119 105 90 75 61
5625
72
165 11.9 132 115 99 82 65 - - 157 13.1 129 112 95 79 62 - -
67
153 11.6 149 141 134 118 101 84 68 146 12.6 143 136 128 112 95 79 62
62
135 11.3 135 135 132 115 98 82 65 129 12.5 129 129 126 110 93 77 60
57
129 11.4 129 129 129 112 96 79 62 123 12.5 123 123 123 106 89 73 56
6250
72
169 11.9 153 134 116 97 78 - - 162 13.2 148 130 111 93 74 - -
67
157 11.6 157 157 157 138 120 101 83 150 12.8 150 150 150 131 112 94 75
62
138 11.4 138 138 138 119 101 82 63 132 12.6 132 132 132 113 95 76 58
57
133 11.4 133 133 133 114 95 77 58 126 12.7 126 126 126 107 89 70 51
Temperature of Air on Condenser Coil 105°F Temperature of Air on Condenser Coil 115°F
3750
72
135 14.3 86 75 64 54 43 - - 127 15.6 83 72 62 51 40 - -
67
124 13.8 108 97 87 76 65 55 44 117 15.1 105 94 83 73 62 51 41
62
110 13.6 110 108 97 86 75 65 54 103 14.9 103 103 92 81 71 60 49
57
105 13.8 105 105 94 84 73 62 52 99 15.0 99 99 89 78 67 57 46
4375
72
139 14.3 96 83 70 58 45 - - 131 15.6 93 80 67 55 42 - -
67
129 13.8 119 108 95 82 70 57 44 121 15.1 115 104 91 79 66 53 41
62
114 13.6 114 113 106 93 81 68 56 107 14.9 107 106 101 88 76 63 50
57
109 13.7 109 109 103 91 78 66 53 103 15.0 103 103 97 85 72 59 47
5000
72
144 14.3 106 91 76 62 47 - - 135 15.6 102 88 73 59 44 - -
67
133 13.8 130 118 103 89 74 59 45 124 15.1 124 114 99 85 70 56 41
62
118 13.6 118 118 115 101 86 72 57 110 14.9 110 110 110 95 80 66 51
57
113 13.7 113 113 112 98 83 69 54 106 15.0 106 106 106 91 76 62 47
5625
72
148 14.4 121 105 88 72 55 - - 138 15.7 114 98 81 64 48 - -
67
136 13.9 135 129 119 103 86 69 53 127 15.2 127 122 110 93 77 60 43
62
120 13.7 120 120 119 103 86 69 53 112 15.0 112 112 112 95 79 62 46
57
115 13.8 115 115 115 99 82 65 49 108 15.1 108 108 108 91 75 58 41
6250
72
151 14.5 137 119 100 81 63 - - 140 15.8 126 107 89 70 52 - -
67
139 14.0 139 139 135 116 98 79 61 129 15.3 129 129 120 102 83 65 46
62
123 13.8 123 123 123 105 86 67 49 115 15.0 115 115 115 96 77 59 40
57
118 13.9 118 118 118 99 81 62 43 110 15.2 110 110 110 91 73 54 36
Temperature of Air on Condenser Coil 125°F
3750
72
119 16.9 80 70 59 48 37 - -
67
109 16.4 101 91 80 69 59 48 37
62
97 16.1 97 97 87 77 66 55 44
57
93 16.3 93 93 83 72 62 51 40
4375
72
122 16.9 90 77 64 52 39 - -
67
112 16.4 110 100 88 75 62 50 37
62
100 16.1 100 100 96 83 70 58 45
57
96 16.3 96 96 91 78 66 53 40
5000
72
126 16.9 99 85 70 56 41 - -
67
115 16.4 115 110 95 81 66 52 37
62
102 16.1 102 102 102 89 75 60 46
57
99 16.3 99 99 99 84 70 55 41
5625
72
128 17.0 107 91 74 57 41 - -
67
117 16.5 117 115 101 84 67 51 34
62
104 16.2 104 104 104 88 72 55 38
57
101 16.4 101 101 101 84 67 51 34
6250
72
130 17.1 115 96 78 59 40 - -
67
119 16.5 119 119 106 87 69 50 31
62
106 16.3 106 106 106 87 69 50 31
57
102 16.5 102 102 102 84 65 46 28
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.
