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Table 22 — Air Quantity Limits
Table 23 — Accessory/FIOP Static Pressure (in. wg)* — 48TM016-028
LEGEND
*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should then
be used in conjunction withthe Fan Performance tables to determine blowerrpm and watts.
Table 24 — Fan Rpm at Pulley Settings*
*Approximate fan rpmshown.
†Indicates standard drive package.
**Indicates alternate drive package.
††Due to belt and pulley size, pulley cannot be set to this number of turns open.
Table 25 — Evaporator-Fan Motor Data
LEGEND
*Extensive motor and electrical testing on these units ensures that the full
horsepower (brake kilowatt) range of the motors can be utilized with confi-
dence. Using fan motors up to the horsepower (brake kilowatt) ratings shown
in this table will not result in nuisance tripping or premature motor failure.
Unit warranty will not be affected.
NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency
requirements as established by the Energy Policy Act of 1992 (EPACT) effec-
tive October 24, 1997.
Table 26 — Evaporator-Fan Motor Efficiency
NOTE: All indoor-fan motors 5 hp and larger meet the minimum efficiency
requirements as established by the Energy Policy Act of 1992 (EPACT) effec-
tive October 24, 1997.
UNIT
48TM
MINIMUM
COOLING
CFM
MINIMUM
HEATING CFM
MAXIMUM
CFM
LowHeat High Heat
016 4500 3800 3800 7,500
020 5400 4750 5450 9,000
025 6000 4750 5450 10,000
028 7000 4750 5450 11,250
COMPONENT
CFM
4500 5000 5400 6000 7200 7500 9000 10,000 11,250
EconoMi$erIV and EconoMi$er2 0.040 0.050 0.060 0.070 0.090 0.100 0.110 0.120 0.140
MoistureMi$er™ Dehumidification 0.045 0.048 0.060 0.071 0.103 0.111 0.160 0.197 0.250
FIOP — Factory-Installed Option
UNIT
48TM
MOTOR PULLEY TURNS OPEN
0
1
/
2
11
1
/
2
22
1
/
2
33
1
/
2
44
1
/
2
55
1
/
2
6
016† †† †† †† †† 1021 1002 984 965 947 928 910 891 873
016** †† †† †† †† 1200 1178 1156 1134 1112 1091 1069 1047 1025
020† †† †† 1095 1077 1058 1040 1021 1002 984 965 947 928 910
020** †† †† 1287 1265 1243 1222 1200 1178 1156 1134 1112 1091 1069
025† †† †† †† †† 1151 1132 1114 1095 1077 1058 1040 1021 1002
025** †† †† †† †† 1369 1347 1325 1303 1281 1259 1237 1215 1193
028† †† †† 1283 1269 1247 1225 1203 1182 1160 1138 1116 1095 1066
028** †† †† †† †† 1551 1524 1497 1470 1443 1415 1388 1361 1332
UNIT
48TM
UNIT
VOLTAGE
MAXIMUM
ACCEPTABLE
CONTINUOUS
BHP*
MAXIMUM
ACCEPTABLE
CONTINUOUS
BkW*
MAXIMUM
ACCEPTABLE
OPERATING
WATTS
MAXIMUM
AMP DRAW
016
208/230
6.13 4.57 5,180
15.8
460 7.9
575 6.0
020
208/230
5.90 4.40 5,180
15.8
460 7.9
575 6.0
025
208/230 8.70 6.49 7,915 22.0
460 9.50 7.08 8,640 13.0
575 8.70 6.49 7,915 10.0
028
208/230 10.20 7.61 9,510 28.0
460 11.80 8.80 11,000 14.6
575 10.20 7.61 9,510 13.0
BHP — Brake Horsepower
BkW — Brake Kilowatts
UNIT
48TM
MOTOR EFFICIENCY
(%)
5Hp 87.5
7.5Hp 88.5
10 Hp 89.5