036-21490-002-A-0204
Unitary Products Group 17
TABLE 6: HEATING CAPACITIES - 20 TON
CFM
Return
Air ºF
CAP
& KW
OUTDOOR AIR TEMPEATURE ºf (72% RH)
-10 0 10 20 30 40 50 60
6000
55
MBH 37 65 94 123 151 180 209 237
KW 11.1 11.7 12.2 12.8 13.3 13.9 14.4 15.0
70
MBH 33 61 90 119 147 176 204.7 233
KW 13.0 13.5 14.1 14.6 15.2 15.7 16.3 16.8
80
MBH 26 55 84 112 141 170 198 227
KW 14.5 15.0 15.6 16.1 16.7 17.2 17.8 18.3
7000
55
MBH 43 72 100 129 158 186 215 244
KW 10.7 11.3 11.8 12.4 12.9 13.5 14.0 14.6
70
MBH 39 67 96 125 153 182 211 239
KW 12.5 13.1 13.6 14.2 14.7 15.3 15.8 16.4
80
MBH 32 61 90 118 147 176 204 233
KW 14.0 14.5 15.1 15.6 16.2 16.7 17.3 17.8
7750
55
MBH 48 76 105 134 162 191 220 248
KW 10.4 11.0 11.5 12.1 12.6 13.2 13.7 14.3
70
MBH 43 72 101 129 158 187 215 244
KW 12.2 12.7 13.3 13.8 14.4 14.9 15.5 16.0
80
MBH 37 65 94 123 152 180 209 238
KW 13.6 14.2 14.7 15.3 15.8 16.4 16.9 17.5
8000
55
MBH 43 72 101 129 158 187 215 244
KW 10.5 11.0 11.6 12.1 12.7 13.2 13.8 14.3
70
MBH 39 68 96 125 154 182 211 240
KW 12.3 12.8 13.4 13.9 14.5 15.0 15.6 16.1
80
MBH 33 61 90 119 147 176 205 233
KW 13.8 14.3 14.9 15.4 16.0 16.5 17.1 17.6
8300
55
MBH 39 68 97 125 154 183 212 240
KW 10.5 11.1 11.6 12.2 12.7 13.3 13.8 14.4
70
MBH 35 64 93 122 150 179 208 236
KW 12.4 13.0 13.5 14.1 14.6 15.1 15.7 16.2
80
MBH 29 58 87 115 144 173 201 230
KW 13.9 14.5 15.0 15.6 16.1 16.7 17.2 17.8
THE MBH AND KW VALUES DO NOT INCLUDE THE SUPPLY AIR BLOWER MOTOR.
FOR NET CAPACITY, ADD THE SUPPLY AIR BLOWER MOTOR HEAT (MBH = 3.415 x KW)