22
Check Airflow (WMAHM Motor)
For proper cooling operation, the airflow through the indoor coil should be between 350 and 450 CFM per ton of cooling capacity
(or 350 to 450 CFM per 12,000 Btu/h) based on the rating of the outdoor condensing unit.
Speed Static
WMAHM0800**-*SCFM
WMAHM1200**-*SCFM
WMAHM1600**-*SCFM
WMAHM2000**-*SCFM
High
0.1
1,240
1,500
1,800
2,160
0.2
1,170
1,460
1,740
2,080
0.3
1,120
1,360
1,680
1,990
0.4
1,060
1,280
1,610
1,890
0.5
980
1,200
1,520
1,790
0.6
900
1,110
1,430
1,690
Medium 0.1
900
1,380
1,540
1,730
0.2
850
1,320
1,490
1,670
0.3
790
1,270
1,450
1,590
0.4
740
1,200
1,400
1,520
0.5
680
1,140
1,350
1,420
0.6
605
1,040
1,280
1,320
Low
0.1
650
1,170
1,130
1,520
0.2
590
1,130
1,100
1,450
0.3
540
1,080
1,070
1,360
0.4
500
1,020
1,030
1,290
0.5
430
950
990
1,200
0.6
330
830
930
1,090
