Thermo Pride OH8FA119D60C Installation And Operation Manual page 33

Heating Speed Set-ups
OH6FA072DV4
BTUH
Fan
Control
SW 1
Switch Heating
Settings CFM
3-OFF
740
2-OFF
1-OFF
3-OFF
812
2-OFF
1-ON
3-OFF
883
2-ON
1-OFF
Factory
3-OFF
SW1 Switch 968
2-ON
Settings
1-ON
3-ON
1054
2-OFF
1-OFF
3-ON
1153
2-OFF
1-ON
3-ON
1267
2-ON
1-OFF
3-ON
1424
2-ON
1-ON
= Recommended Heating Speed Setting
Low Fire Med Fire
60,000 72,000
Aprox. Rise Aprox. Rise Aprox. Rise
0 0
(F ) (F ) (F
o
75
o o
68 82
o o
63 76
o o
57 69
o
63
o
58
Figure 18-1: ECM blower motor speed chart
Furnace Motor Current
Draw (Amps/ / Watts) vs.
External Static Pressure (in W.C.)
High Fire
90,000 Static Pressure (Amps/Watts)
0
) 0.2
1.1/98
1.3/114
1.5/129
o
86 1.7/148
o
79 1.9/173
o
72 2.3/207
o
66 2.7/247
o
58 3.4/315
28
0.5
1.8/173
2.1/193
2.4/218
2.4/223
2.7/246
3.0/283
3.5/332
4.3/409