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Table 5 – Air Delivery -- CFM (With Filter)*
Unit Size
070--- 12
††
Operating Mode
Low Heat
High Heat
††
††
090--- 16
1--- 1/2--- Ton Cooling
2--- Ton A/C Cooling
2--- 1/2--- Ton A/C Cooling
3--- Ton A/C Cooling
3--- 1/2--- Ton A/C Cooling
Maximum
Low Heat
315AAV
High Heat
††
††
110--- 20***
1--- 1/2--- Ton A/C Cooling
2--- Ton A/C Cooling
2--- 1/2--- Ton A/C Cooling
3--- Ton A/C Cooling
3--- 1/2--- Ton A/C Cooling
4--- Ton A/C Cooling
Maximum
Low Heat
High Heat
††
††
††
135--- 22
2--- Ton A/C Cooling
2--- 1/2--- Ton A/C Cooling
3--- Ton A/C Cooling
3--- 1/2--- Ton A/C Cooling
4--- Ton A/C Cooling
5--- Ton A/C Cooling
6--- Ton A/C Cooling
Maximum
Low Heat
High Heat
††
††
††
155--- 22
2--- Ton A/C Cooling
2--- 1/2--- Ton A/C Cooling
3--- Ton A/C Cooling
3--- 1/2--- Ton A/C Cooling
4--- Ton A/C Cooling
5--- Ton A/C Cooling
6--- Ton A/C Cooling
Maximum
Low Heat
High Heat
††
††
††
2--- Ton A/C Cooling
2--- 1/2--- Ton A/C Cooling
3--- Ton A/C Cooling
3--- 1/2--- Ton A/C Cooling
4--- Ton A/C Cooling
5--- Ton A/C Cooling
6--- Ton A/C Cooling
Maximum
CFM
Airflow
Setting
735 (615)†
1180
(1060)†
525
700
875
1050
1225
1400
985 (825)†
1210
(1090)†
525
700
875
1050
1225
1400
1600
1320
(1110)†
1475
(1330)†
700
875
1050
1225
1400
1750
2100
2200
1700
(1430)†
1915
(1725)†
700
875
1050
1225
1400
1750
2100
2200
1715
(1440)†
1970
(1775)†
700
875
1050
1225
1400
1750
2100
2200
External
Static
Pressure
Range*
(In. W.C.)
External Static Pressure (ESP) (IN. W.C.)
0.1
0.2
0.3
0.4
0.5
0--- 0.50
735
735
735
735
0--- 1.0
1160
1165
1175
1180
1180
0--- 0.50‡
0--- 0.50‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0
0--- 1.0
515
690
875
1050
1220
1395
500
680
875
1050
1225
1400
500
675
875
1050
1225
1400
490
680
870
1050
1225
1400
485
675
865
1050
1225
1395
0.6
0.7
0.8
0.9
1
1180
1180
1180
1180
1175
855
1050
1220
1385
850
1045
1205
1370
835
1035
1190
1340
825
1020
1185
1300
820
1000
1170
1245
AIRFLOW (CFM)
725
0--- 1.0
950
970
985
985
985
985
985
985
985
980
0--- 1.0
1190
1205
1210
1210
1210
1210
1210
1210
1210
1200
0--- 0.50‡
0--- 0.50‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0
0--- 1.0
0--- 1.0
525
680
815
1005
1190
1350
1595
520
680
845
1005
1200
1370
1600
525
680
845
1015
1200
1390
1600
495
675
855
1035
1205
1390
1600
475
670
850
1040
1205
1400
1595
850
1040
1215
1390
1555
845
1035
1205
1380
1505
835
1030
1200
1380
1465
820
1025
1185
1360
1430
805
1010
1170
1340
1390
0--- 1.0
1275
1295
1315
1320
1320
1320
1320
1320
1320
1315
0--- 1.0
1460
1465
1475
1475
1475
1475
1475
1475
1465
1465
0--- 0.50‡
0--- 0.50‡
0--- 0.50‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0
0--- 1.0
700
875
1050
1225
1400
1750
2100
2200
700
875
1050
1225
1400
1750
2100
2190
700
875
1050
1225
1400
1750
2100
2190
700
875
1050
1225
1400
1750
2100
2180
700
875
1050
1225
1400
1750
2090
2155
1225
1400
1750
2075
2145
1225
1400
1750
2055
2125
1225
1400
1750
2040
2100
1225
1400
1740
2005
2080
1225
1400
1725
1970
2020
0--- 1.0
1700
1700
1700
1700
1700
1695
1700
1695
1685
1670
0--- 1.0
1900
1905
1915
1915
1915
1915
1915
1915
1915
1915
0--- 0.50‡
0--- 0.50‡
0--- 0.50‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0
0--- 1.0
700
870
1010
1155
1395
1740
2075
2180
700
870
1030
1180
1400
1750
2085
2195
700
865
1050
1200
1400
1750
2090
2200
700
865
1050
1210
1400
1750
2100
2200
665
865
1050
1220
1400
1735
2100
2200
1225
1400
1740
2100
2200
1225
1400
1735
2090
2185
1225
1390
1730
2080
2165
1225
1375
1715
2055
2140
1225
1355
1700
2025
2095
0--- 1.0
1715
1715
1715
1715
1715
1705
1710
1705
1705
1695
0--- 1.0
1955
1965
1965
1970
1970
1970
1970
1970
1970
1960
0--- 0.50‡
0--- 0.50‡
0--- 0.50‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0‡
0--- 1.0
0--- 1.0
700
865
1015
1160
1385
1745
2055
2175
700
875
1020
1185
1400
1750
2070
2190
700
875
1035
1215
1400
1750
2080
2200
700
865
1045
1225
1400
1750
2085
2200
680
865
1050
1225
1400
1745
2095
2200
1225
1400
1740
2100
2200
1225
1395
1745
2100
2200
1225
1395
1745
2100
2200
1225
1380
1740
2090
2180
1225
1360
1735
2065
2160
*Actual external static pressure (ESP) can be determined by using the fan laws (CFM 2 proportional to ESP); such as, a system with 1180 CFM
at 0.5 ESP would operate at cooling airflow of 1050 CFM at 0.4 ESP and low--- heating airflow of 735 CFM at 0.19 ESP.
{Comfort airflow values are shown in parenthesis. Comfort airflow is selected when the low--- heat rise adjustment switch (SW1--- 3) is OFF and
the comfort/efficiency switch (SW1--- 4) is ON.
}Ductwork must be sized for high--- heating CFM within the operational range of ESP.
{{Operation within the blank areas of the chart is not recommended because high--- heat operation will be above 1.0 ESP.
***All airflow on 110 size furnace are 5% less on side return only installations.
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