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BL O WER D ATA
ML180UH070V48B BLOWER PERFORMANCE (less filter)
BOTTOM RETURN AIR
0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range
"ADJUST"
Switch
Positions
Low
+
1410
NORM
1285
1
—
1155
"ADJUST"
Switch
Positions
+
NORM
1
—
Factory default DIP switch setting.
1
NOTES - The effect of static pressure is included in air volumes shown.
First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan Only speed is approximately 38% of the same second stage COOL speed position - minimum 400 cfm.
Lennox Harmony III™ Zoning System Applications - Minimum blower speed is 400 cfm.
BL O WER D ATA
ML180UH090V48B BLOWER PERFORMANCE (less filter)
BOTTOM RETURN AIR
0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range
"ADJUST"
Switch
Positions
Low
+
1315
NORM
1195
1
—
1075
"ADJUST"
Switch
Positions
+
NORM
1
—
Factory default DIP switch setting.
1
NOTES - The effect of static pressure is included in air volumes shown.
First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan Only speed is approximately 38% of the same second stage COOL speed position - minimum 400 cfm.
Lennox Harmony III™ Zoning System Applications - Minimum blower speed is 400 cfm.
"HEAT" Speed - cfm
¹ Med-Low
Med-Hi
1550
1750
1410
1615
1270
1445
"HEAT" Speed - cfm
¹ Med-Low
Med-Hi
1445
1575
1315
1430
1180
1285
Page 38
Speed Switch Positions
Second Stage "COOL" Speed - cfm
High
Low
1930
1045
1770
940
1620
850
First Stage "COOL" Speed - cfm
Low
615
525
430
Speed Switch Positions
Second Stage "COOL" Speed - cfm
High
Low
1775
1070
1615
1000
1450
880
First Stage "COOL" Speed - cfm
Low
750
730
650
Med-Low
Med-Hi
1375
1640
1250
1500
1115
1365
Med-Low
Med-Hi
870
1065
780
960
685
870
Med-Low
Med-Hi
1300
1550
1210
1410
1115
1295
Med-Low
Med-Hi
910
1050
875
990
800
940
¹ High
1850
1700
1540
¹ High
1240
1130
990
¹ High
1740
1600
1465
¹ High
1180
1120
1010
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