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AIRFLOW PERFORMANCE—RSNA-B SERIES
INDOOR AIRFLOW PERFORMANCE—230 VOLTS
External Static Pressure—Inches W.C. [kPa]
CFM [L/s] Air Delivery/RPM/Watts—230 Volts
Side Discharge—Wet Coil
Blower Size/
Motor
HP [W] &
# of Speeds
Nominal
Cooling
Capacity
Tons [kW]
Motor Speed
from
Factory
Motor
Speed
10x9
1 HP ECM
(Constant CFM)
RPM 760 815 870 910 950 975
0.1 [.02] 0.2 [.05] 0.3 [.07] 0.4 [.10] 0.5 [.12] 0.6 [.15] 0.7 [.17]
1000
RPM 825 870 910 950 985 1010 1030
Low
Low
3.0
[10.55]
Watts 253 242 230 217 204 189 181
9x7
1/4 HP
2 Speed Motor
Low
Low
Med.
High
CFM 946 [446] 922 [435] 882 [415] 830 [392] 769 [363] 701 [331] 630 [298]
2.5
[8.79]
Low Low
CFM 1206 [569]
RPM 990 1015 1035 1055 1070 1085 1100
1182 [558] 1157 [546] 1128 [532] 1091 [515] 1044 [493] 983 [464]
Cool Heat
High
Med.
CFM 1411 [666] 1368 [646] 1327 [626] 1285 [606] 1238 [584] 1183 [558] 1116 [527]
RPM 865 900 935 970 1000 1020 1035
High
Watts
498 481 464 447 430 411 391
RPM 895 952 1010 1064 1102 1144 1196
Watts 318 358 400 442 469 500 541
High
CFM 1850 [873] 1850 [873] 1850 [873] 1850 [873] 1850 [873] 1850 [873] 1850 [873]
RPM 1096 1145 1191 1237 1278 1317 1353
5.0
[17.59]
High
Low
CFM 1500 [707] 1500 [707] 1500 [707] 1500 [707] 1500 [707] 1500 [707] 1500 [707]
Watts 593 643 692 743 791 836 875
2.0
[7.03]
High Low
CFM 771 [364] 751 [354] 725 [342] 691 [326] 645 [304] 584 [276] 546 [258]
Watts 315 303 288 273 257 241 226
Low
RPM 980 1000 1020 1035 1050 1065 1080
Watts 589 565 543 523 503 481 456
Low
CFM 1412 [666] 1395 [658] 1371 [647] 1339 [632] 1296 [612] 1242 [586] 1176 [555]
RPM 859 905 951 981 1011 1034 1057
3.5
[12.31]
High High
CFM 1641 [774] 1577 [744] 1515 [715] 1455 [687] 1393 [657] 1329 [627] 1262 [596]
Watts 557 530 506 483 461 437 409
10x9
3/4 HP
3 Speed Motor
Low
High
(See
Note
Below)
4.0
[14.07]
High
CFM
ᮅ 1889 [892]
Watts
419
ᮅ 1826 [852] ᮅ 1753 [827]
1672 [789] 1586 [749] 1499 [707] 1413 [667]
RPM 1110 1117 1124 1129 1133 1139 1144
Watts 736 715 683 646 608 574 551
Med.
CFM
ᮅ 1793 [846] ᮅ 1731 [817]
1665 [786]
1594 [752} 1519 [717] 1440 [680] 1356 [640]
RPM 1053 1067 1080 1091 1101 1110 1119
Watts 667 637 606 574 543 512 483
406 394 381 368 353 334
10x9
1/2 HP
3 Speed Motor
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.
ᮅ WARNING: 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.
ᮅ WARNING: Observe airflow operating limits if operating in area of airflow table shown in bold.