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UNIT
48TJ
016
020
024
028
Table 20 -- Air Quantity Limits
MINIMUM
COOLING
CFM
4500
5400
6000
7000
MINIMUM
HEATING CFM
Low Heat High Heat
3800 3800
4750 5450
4750 5450
4750 5450
MAXIMUM
CFM
7,500
9,000
10,000
11,250
Table 21 -- Accessory/FlOP Static Pressure*
(in. wg) -- 48TJ016
4500 CFM
COMPONENT 5000 6000 7200 7500
Economizer 0.04 0.05 0.07 0.09 0.10
LEGEND
FlOP -- Factory-Installed Option
*The static pressure must be added to external static pressure. The sum and the
evaporator entering-air cfm should then be used in conjunction with the Fan Per-
formance tables to determine blower rpm and watts.
Table 22 -- Accessory/FlOP Static Pressure*
(in. wg) -- 48TJ020-028
CFM
COMPONENT 5000 6000 7200 9000 10,000 I 11,250
Economizer 0.06 0.07 0.09 0.11 0.12 I 0.14
LEGEND
FlOP -- Factory-Installed Option
*The static pressure must be added to external static pressure, The sum and the
evaporator entering-air cfm should then be used in conjunction with the Fan Perfor-
mance tables to determine blower rpm and watts.
Table 23 -- MoistureMi$er TM Dehumidification
Package Static Pressure Drop (in. wg)
UNIT SIZE
48TJ016
48TJ020
48TJ024
48TJ028
UNIT NOMINAL
TONS
15
18
2O
25
300
.040
.058
.071
.111
CFM PER TON
4OO
.071
.102
.126
.197
500
.111
.160
.197
.308
Table 24 -- Fan Rpm at Motor Pulley Settings*
UNIT MOTOR PULLEY TURNS OPEN
48TJ 0 lr2 1 11/2 2 2112 3 31/2 4 41/2 5 5112 6
016 (208/230, 460 v)t tt tt 1179 1150 1121 1093 1064 1035 1006 978 949 920 891
016 (208/230, 460 v)** 1-t 1-t 1559 1522 1488 1455 1422 1389 1356 1323 1289 1256 1227
016 (575 v)l" 1-t 1-t 1429 1403 1376 1349 1323 1296 1269 1242 1215 1188 1159
0201" 1-t 1-t 1095 1077 1058 1040 1021 1002 984 965 947 928 910
020** tt 1-t 1287 1265 1243 1222 1200 1178 1156 1134 1112 1091 1069
0241" 1-t 1-t 1225 1209 1187 1165 1143 1120 1098 1076 1053 1031 1002
024** tt 1-t 1456 1434 1407 1381 1354 1326 1301 1275 1246 1222 1193
0281" 1-t 1-t 1283 1269 1247 1225 1203 1182 1160 1136 1116 1095 1066
028** 1-t 1-t tl- tl- 1551 1524 1497 1470 1443 1415 1386 1361 1332
*Approximate fan rpm shown. NOTE: For speeds not listed above, field-supplied drives are
l-Indicates standard drive package, required.
**Indicates alternate drive package.
ttDue to belt and pulley size, pulley cannot be set to this number of
turns open.
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