88-A951X001-1D-EN
97
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.
Note:
Check out fieldtechhelp.com to watch a short video.
Evaporator
Coil
Clean
Filter
A951X080BU4 Furnace Airflow (CFM) at. External Static Pressure (in. W.C.) versus Tap
Static
0.1
0.3
0.5
0.7
0.9
Tap
1
SCFM
911
766
622
477
332
Watts
94
104
115
125
136
2
SCFM
1075
963
851
740
628
Watts
139
153
168
182
197
3
SCFM
1215
1121
1028
934
840
Watts
185
202
219
236
253
4
SCFM
1250
1164
1077
(a)
990
903
Watts
203
221
239
257
274
5
SCFM
1349
1272
1194
1116
(a)
1039
Watts
251
271
291
310
330
6
SCFM
1453
1387
1321
1254
1188
Watts
313
335
356
378
400
7
SCFM
1505
1438
1372
1305
1239
Watts
340
362
384
406
427
8
SCFM
1657
1597
1538
1479
1419
Watts
453
477
500
524
547
9
SCFM
1878
1815
1752
1690
1627
Watts
669
686
702
718
735
(a)
Example 1
Содержание A951X040BD3SAB
Страница 13: ...88 A951X001 1D EN 13 Outline Drawings Upflow Furnace B Size Cabinet ...
Страница 14: ...14 88 A951X001 1D EN Upflow Furnace C Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...
Страница 15: ...88 A951X001 1D EN 15 Upflow Furnace D Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...
Страница 16: ...16 88 A951X001 1D EN Downflow Furnace B Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...
Страница 17: ...88 A951X001 1D EN 17 Downflow Furnace C Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...
Страница 18: ...18 88 A951X001 1D EN Downflow Furnace D Size Cabinet O Ou ut tl li in ne e D Dr ra aw wi in ng gs s ...
Страница 102: ...102 88 A951X001 1D EN N No ot te es s ...
Страница 103: ...88 A951X001 1D EN 103 N No ot te es s ...