32
Table 7. Nominal Cooling / Heat Pump Airfl ows (CFM) for Variable Speed Furnaces
“A” CABINET
Switch Settings
(0 = OFF, 1 = ON)
CFM
Nominal A/C
& HP Capacity
HEAT
COOL
1-4
5
6
7
8
LOW
HIGH
0
0
0
0
0
360
525
1.5 T
O
N
0
0
0
0
1
400
580
0
0
0
1
0
440
635
2 T
O
N
0
0
0
1
1
475
690
0
0
1
0
0
515
745
0
0
1
0
1
550
800
0
0
1
1
0
590
855
0
0
1
1
1
630
910
2.5 T
O
N
0
1
0
0
0
665
965
0
1
0
0
1
705
1,020
0
1
0
1
0
740
1,075
3 T
O
N
0
1
0
1
1
780
1,130
0
1
1
0
0
820
1,185
0
1
1
0
1
855
1,240
0
1
1
1
0
895
1,295
0
1
1
1
1
930
1,350
“B” CABINET
Switch Settings
(0 = OFF, 1 = ON)
CFM
Nominal A/C
& HP Capacity
HEAT
COOL
1-4
5
6
7
8
LOW
HIGH
1
0
0
0
0
485
700
2 T
O
N
1
0
0
0
1
525
760
1
0
0
1
0
565
820
2.5 T
O
N
1
0
0
1
1
605
880
1
0
1
0
0
650
940
1
0
1
0
1
690
1,000
1
0
1
1
0
730
1,060
3 T
O
N
1
0
1
1
1
775
1,120
1
1
0
0
0
815
1,180
1
1
0
0
1
855
1,240
3.5 T
O
N
1
1
0
1
0
895
1,300
1
1
0
1
1
940
1,360
1
1
1
0
0
980
1,420
1
1
1
0
1
1,020 1,480
1
1
1
1
0
1,065 1,540
1
1
1
1
1
1,105 1,600
*TA / TK FURNACES with VARIABLE SPEED BLOWERS
“C” CABINET
Switch Settings
(0 = OFF, 1 = ON)
CFM
Nominal A/C
& HP Capacity
HEAT
COOL
1-4
5
6
7
8
LOW
HIGH
#
0
0
0
0
705
1,025
2.5 T
O
N
#
0
0
0
1
750
1,090
3 T
O
N
#
0
0
1
0
795
1,155
#
0
0
1
1
840
1,220
#
0
1
0
0
885
1,285
3.5 T
O
N
#
0
1
0
1
930
1,350
#
0
1
1
0
975
1,415
4 T
O
N
#
0
1
1
1
1,020 1,480
#
1
0
0
0
1,065 1,545
#
1
0
0
1
1,110 1,610
#
1
0
1
0
1,155 1,675
5 T
O
N
#
1
0
1
1
1,200 1,740
#
1
1
0
0
1,245 1,805
#
1
1
0
1
1,290 1,870
#
1
1
1
0
1,335 1,935
#
1
1
1
1
1,380 2,000
# Switch not used - can be 0 or 1
“D” CABINET
Switch Settings
(0 = OFF, 1 = ON)
CFM
Nominal A/C & HP
Capacity
HEAT
COOL
1-4
5
6
7
8
LOW
HIGH
#
0
0
0
0
965
1,400
3.5 T
O
N
#
0
0
0
1
995
1,440
4 T
O
N
#
0
0
1
0
1,020 1,480
#
0
0
1
1
1,050 1,520
#
0
1
0
0
1,075 1,560
#
0
1
0
1
1,105 1,600
#
0
1
1
0
1,130 1,640
#
0
1
1
1
1,160 1,680
#
1
0
0
0
1,185 1,720
5 T
O
N
#
1
0
0
1
1,215 1,760
#
1
0
1
0
1,240 1,800
#
1
0
1
1
1,270 1,840
#
1
1
0
0
1,295 1,880
#
1
1
0
1
1,325 1,920
#
1
1
1
0
1,350 1,960
#
1
1
1
1
1,380 2,000
# Switch not used - can be 0 or 1