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Heating Speed Set-ups
OH8FA119DV5
Furnace Motor Current
Draw (Amps / Watts) vs.
External Static Pressure (in W.C)
Low Fire Med Fire High Fire
BTUH 101,000 119,000 132,000
Fan
Control
SW 1
Switch
Settings
Heating
CFM
Aprox.
Rise (F
0
)
Aprox.
Rise (F
0
)
Aprox.
Rise (F
0
)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
3-OFF
2-OFF
1-OFF
1202
78
o
1.4/124 1.8/161 2.1/190 2.4/220 2.7/240 3.1/286 3.4/317
3-OFF
2-OFF
1-ON
1315
71
o
84
o
1.8/158 2.1/190 2.3/209 2.7/250 3.1/285 3.4/311 3.8/356
3-OFF
2-ON
1-OFF
1429
65
o
77
o
2.0/185 2.4/220 2.7/251 3.1/284 3.6/330 4.0/370 4.3/408
3-OFF
2-ON
1-ON
1565 60
o
70
o
78
o
2.4/216 2.8/254 3.2/295 3.8/349 4.0/379 4.6/432 4.9/463
Factory SW1
Switch
Settings
3-ON
2-OFF
1-OFF
1701
55
o
65
o
72
o
3.0/271 3.5/322 3.8/357 4.4/416 4.9/456 5.1/494 5.5/532
3-ON
2-OFF
1-ON
1860
59
o
66
o
3.9/363 4.3/410 4.9/464 5.2/494 5.5/524 6.0/573 6.3/606
3-ON
2-ON
1-OFF
2041
60
o
4.8/457 5.3/507 5.8/557 6.2/599 6.7/647 7.2/704 7.8/757
3-ON
2-ON
1-ON
2223
55
o
6.4/624 7.0/680 7.6/734 8.2/808 8.7/866 8.4/923 9.8/975
= Recommended Heating Speed Setting
Figure 18-1A: ECM blower motor speed chart