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18-CE07D1-1C-EN
Setting Airflow
With all ductwork connected and a clean filter in place, measure the
External Static Pressure (ESP) of the unit in locations below. Use the
appropriate airflow table for the furnace and outdoor unit installed.
Measurements must be made prior to the evaporator coil, if equipped,
and after the filter.
Evaporato
r
Coil
Clean
Filter
Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.)
Model
Tap
0.1 0.3 0.5 0.7 0.9
L8X1B060U3PXAA
1
SCFM 829 689 549 410 270
Watts 83 95 107 119 130
2
SCFM 1087 985 884 782 681
Watts 163 179 195 210 226
3
SCFM 1210 1126 1043 959 876
Watts 211 228 245 262 279
4
SCFM 1238 1157 1076 995 914
Watts 227 244 261 278 295
5
SCFM 1481 1409 1338 1266 1195
Watts 381 399 417 435 453
EExxaammppllee 11:: SS88BB11 ((DDeeffaauulltt TTaapp 77))
Cooling / HP
• 2 Ton Single Stage Outdoor
• Total ESP = 0.7” W.C.
• Required Airflow = 1400 cfm (4T x 350 cfm/ton)
• New Tap Number = Tap 6
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