Setting Airflow - Trane L8X1B060U3XSAA Installer's Manual

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.
Model
L8X1B060U3PXAA
E E x x a a m m p p l l e e 1 1 : : S S 8 8 B B 1 1 ( ( D D e e f f a a u u l l t t T T a a p p 7 7 ) )
Cooling / HP
• 2 Ton Single Stage Outdoor
40
Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.)
Tap
SCFM
1
Watts
SCFM
2
Watts
SCFM
3
Watts
SCFM
4
Watts
SCFM
5
Watts
Clean
Filter
0.1 0.3
829 689
83 95
1087 985
163 179
1210 1126
211 228
1238 1157
227 244
1481 1409
381 399
• Total ESP = 0.7" W.C.
• Required Airflow = 1400 cfm (4T x 350 cfm/ton)
• New Tap Number = Tap 6
Evaporator
Coil
0.5 0.7
549 410
107 119
884 782
195 210
1043 959
245 262
1076 995
261 278
1338 1266
417 435
18-CE07D1-1C-EN
0.9
270
130
681
226
876
279
914
295
1195
453