45
INDOOR AIRFLOW PERFORMANCE FOR 2-5 TON PACKAGE GAS ELECTRIC UNITS
DIRECT DRIVE
0.1 [.02] 0.2 [.05] 0.3 [.07] 0.4 [.10] 0.5 [.12] 0.6 [.15] 0.7 [.17]
CFM 675 [319] 657 [310] 634 [299] 602 [284] 560 [264] 505 [238] 435 [205]
RPM 695 785 870 905 940 980 1020
Watts 221 214 203 191 171 193 149
CFM 898 [424] 861 [406] 822 [388] 777 [367] 721 [340] 651 [307] 562 [265]
RPM 940 965 995 1020 1045 1070 1090
Watts 292 278 266 253 239 221 199
CFM 1076 [508] 1059 [500] 1032 [490] 996 [470] 950 [448] 896 [423] 832 [393]
RPM 730 775 820 865 905 940 975
Watts 356 349 341 331 320 305 287
CFM 1222 [577] 1197 [565] 1179 [556] 1162 [548] 1137 [537] 1097 [518] 1033 [488]
RPM 765 810 855 890 920 960 995
Watts 423 415 407 397 386 370 351
CFM 1514 [715] 1461 [670[ 1415 [668] 1370 [647] 1322 [624] 1266 [597] 1197 [565]
RPM 895 930 965 985 1005 1025 1045
Watts 538 514 493 473 454 434 412
CFM 1204 [568] 1202 [567] 1191 [562] 1171 [553] 1143 [539] 1107 [522] 1065 [503]
RPM 734 810 886 923 959 988 1016
Watts 476 468 450 427 403 380 363
CFM 1674 [790] 1620 [765] 1566 [739] 1511 [713] 1451 [685] 1384 [653] 1305 [616]
RPM 997 1019 1040 1058 1076 1088 1100
Watts 625 596 567 539 512 484 455
CFM ▲1843[870] ▲1763[832] 1693 [799] 1627 [768] 1560 [736] 1485 [701] 1398 [660]
RPM 1085 1094 1102 1110 1118 1126 1134
Watts 699 663 632 604 576 548 517
CFM 1500 [707]
RPM 896 956 1008 1062 1093 1145 1194
Watts 317 358 393 435 457 493 531
CFM 1850 [873]
RPM 1091 1141 1185 1233 1267 1308 1336
Watts 579 630 673 724 759 800 826
CFM [L/s] Air Delivery/RPM/Watts — 208 VOLTS
Side Discharge — Wet Coil
External Static Pressure — Inches W.C. [kPa]
Nominal
Cooling
Capacity
Tons [kW]
Motor Speed
From Factory
Heating
Input
BTU/HR [kW]
Blower Size/
Motor HP [W] &
# of Speeds
Motor
Speed
INDOOR AIRFLOW PERFORMANCE — 208 VOLTS
Cool Heat
Low
Low
High
Med
High
High
Med Low
Low
Low Low
High
2.0 [7.03]
2.5 [8.79]
3.0 [10.55]
40,000 [11.72]
All
Inputs
40,000 [11.72]
60,000 [17.58]
80,000 [23.45]
100,000 [29.31]
All
Inputs
60,000 [17.58]
80,000 [23.45]
100,000 [29.31]
100,000 [29.31]
60,000 [17.58]
80,000 [23.45]
9 x 7
1/4 HP
2 Speed Motor
10 x 9
1/2 HP
3 Speed Motor
10 x 9
3/4 HP
3 Speed Motor
10 x 9
1 HP ECM
(Constant CFM)
HighHigh Low3.5 [12.31]
Low
High
(See
Note
Below)
Low
Low
4.0 [14.07]
Med
High
Low
High
High5.0 [17.59]
NOTE: On 4 ton models, switch to medium speed for cooling if external static pressure is less than 0.4" W.C. at 230 volts or less than 0.3" W.C. at 208 volts.
▲WARNING: 1. Do not operate unit in area of airflow table shown in bold (CFM greater than 1700 for 4 ton models) due to possibility of water blow-off.
▲WARNING: Observe airflow operating limits if operating in area of airflow table shown in bold.
DOWN DISCHARGE PRESSURE DROP (ADD TO EXTERNAL STATIC PRESSURE)
CFM [L/s] 600 [283] 800 [378] 1000 [472] 1200 [566] 1440 [661] 1600 [755] 1800 [850] 2000 [944]
Pressure Drop—Inches W.C. [kPa] .00 .01 [.002] .02 [.005] .03 [.007] .05 [.012] .07 [.017] .08 [.019] .09 [.022]
MINIMUM RECOMMENDED FILTER SIZES
Nominal Cooling Capacity Tons [kW] 2.0 [7.03] 2.5 [8.79] – 4.0 [14.07] 5.0 [17.59]
Minimum Filter Size—Inches [mm] 20 x 20 x 1 [508 x 508 x 25] 24 x 24 x 1 [610 x 610 x 25] 24 x 30 x 1 [610 x 762 x 1]
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