Carrier 48TJ016-028 - Manual (Page 35)

Table 20 — Air Quantity Limits
UNIT
48TJ
MINIMUM
COOLING
CFM
MINIMUM
HEATING CFM
MAXIMUM
CFM
Low Heat High Heat
016 4500 3800 3800 7,500
020
5400 4750 5450 9,000
024 6000 4750 5450 10,000
028 7000 4750 5450 11,250
Table 21 — Accessory/FlOP Static Pressure*
(In. wg) —48TJ016
COMPONENT
CFM
4500 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 biower rpm and watts.
Table 22 — Accessory/FlOP Static Pressure*
(In. wg) — 48TJ020-028
COMPONENT
CFM
5000 6000 7200 9000 10,000 11,250
Economizer 0.06 0.07 0.09 0.11 0.12 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 — MolstureMISer’'“ Dehumldlflcatlon
Package Static Pressure Drop (In. wg)
UNIT SIZE
UNIT NOMINAL CFM PER TON
TONS 300 400 500
48TJ016 15 .040 .071 .111
48TJ020 18 .058 .102 .160
48TJ024 20 .071 .126 .197
48TJ028 25 .111 .197 .308
Table 24 — Fan Rpm at Motor Pulley Settings*
48TJ 0 1/2 1 li/j 2
2
i/j 3 3i'a 4 41/j 5 5i'a 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)“ tt tt 1559 1522 1488 1455 1422 1389 1356 1323 1289 1256 1227
016(575 v)t tt tt 1429 1403 1376 1349 1323 1296 1269 1242 1215 1188 1159
020t tt tt 1095 1077 1058 1040 1021 1002 984 965 947 928 910
020** tt tt 1287 1265 1243 1222 1200 1178 1156 1134 1112 1091 1069
024t tt tt 1225 1209 1187 1165 1143 1120 1098 1076 1053 1031 1002
024** tt tt 1458 1434 1407 1381 1354 1328 1301 1275 1248 1222 1193
028t tt tt 1283 1269 1247 1225 1203 1182 1160 1138 1116 1095 1066
028** tt tt tt tt 1551 1524 1497 1470 1443 1415 1388 1361 1332
‘Approximate fan rpm shown,
flndicates standard drive package.
“Indicates alternate drive package.
ttDue to belt and pulley size, pulley cannot be set to this number of
turns open.
NOTE: For
required. speeds not listed above, field-supplied drives are
35