Setting Airflow - Trane A801X026AM2SC Installation, Operation And Maintenance 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.
Note: See Airflow Tables section in this document.
Measurements must be made prior to the evaporator coil, if equipped,
and after the filter.
Note: Check out fieldtechhelp.com to watch a short video.
Model
A801X080BM4S
This is an Example Airflow Table only. See
E E x x a a m m p p l l e e 1 1 : : A A 8 8 0 0 1 1 X X ( ( D D e e f f a a u u l l t t T T a a p p 7 7 ) )
Cooling / HP
• 4 Ton Single Stage Outdoor
A801X-SVX001-1A-EN
Furnace Airflow (CFM) Vs. External Static Pressure (in. W.C.)
Tap
0.1
1 633
2 957
3 1220
4 1403
5 1524
6 1684
7 1700
8 1858
9 1967
"Airflow Tables," p. 16
Clean
Filter
0.3 0.5
297 —
800 719
1080 940
1298 1192
1428 1336
1574 1544
1625 1551
1790 1723
1898 1829
for complete Airflow data.
• Total ESP = 0.7" W.C.
• Required Airflow = 1400 cfm (4T x 350 cfm/ton)
• New Tap Number = Tap 6
Evaporator
Coil
0.7 0.9
— —
428 213
800 660
1087 981
1248 1164
1401 1337
1476 1401
1656 1589
1760 1691
47