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BLOWER DATA
SLP98UH090V60C BLOWER PERFORMANCE (less filter)
RIGHT SIDE RETURN AIR
HEATING BLOWER PERFORMANCE
Heating Adjust CFM Selections
Heating Input Range and Blower Volume - CFM
35%
40%
50%
60%
70%
80%
90%
100%
Increase (+15%) Heat CFM
609
684
835
986
1136
1287
1437
1588
Increase (+7.5%) Heat CFM
551
623
769
914
1059
1205
1350
1496
Default Heat CFM
492
562
702
842
983
1123
1263
1403
Decrease (-7.5% ) Heat CFM
436
502
633
765
896
1028
1159
1291
Decrease (-15% ) Heat CFM
380
441
564
687
810
932
1055
1178
COOLING BLOWER PERFORMANCE
Cooling Adjust CFM
Selections
Blower Speed Selections
First Stage Cool Speed - cfm
Second Stage Cool Speed - cfm
Low
Medium-
Low
Medium
High
High
(Default)
Low
Medium-
Low
Medium
High
High
(Default)
Increase (+10%) Cool CFM
1040
1225
1380
1550
1555
1715
1920
2135
Default Cool CFM
960
1085
1225
1415
1430
1565
1790
1980
Decrease (-10%) Cool CFM
840
990
1085
1250
1280
1450
1580
1790
The effect of static pressure is included in air volumes shown.
The following control configurations are available. See Installation Instructions for details and DIP switch settings.
Heat Modes Available (Heating Blower Performance Table):
Single stage thermostat:
- 35%, 70%, 100% input (three-stage) with time delays in-between
Two-stage thermostat:
- Variable Rate Capacity Mode - furnace automatically adjusts firing rate based on first- and second-stage cycle times
- W1 demand at 70% input, W2 demand at 100% input. No delay between stages
icomfort Touch™ Communicating Thermostat:
- Variable Rate Capacity Mode - furnace automatically adjusts firing rate based on first- and second-stage cycle times
- 35%, 60%, 80%, 100% (four-stage) with time delays in-between
Cool Mode Available (Cooling Blower Performance table):
First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan speeds are approximately 28%, 38%, 70% and 100% (DIP switch selectable) of the same second-stage COOL speed position
minimum 300 cfm.
Lennox Harmony III™ Zoning System Applications - Minimum blower speed is 450 cfm.
SLP98UH090V60C BLOWER PERFORMANCE (less filter)
RIGHT SIDE RETURN AIR WITH OPTIONAL RETURN AIR BASE
HEATING BLOWER PERFORMANCE
Heating Adjust CFM Selections
Heating Input Range and Blower Volume - CFM
35%
40%
50%
60%
70%
80%
90%
100%
Increase (+15%) Heat CFM
611
686
837
987
1138
1288
1439
1589
Increase (+7.5%) Heat CFM
554
626
771
916
1060
1205
1349
1494
Default Heat CFM
497
566
705
844
983
1121
1260
1399
Decrease (-7.5% ) Heat CFM
436
502
633
764
895
1026
1157
1288
Decrease (-15% ) Heat CFM
375
437
560
683
806
930
1053
1176
COOLING BLOWER PERFORMANCE
Cooling Adjust CFM
Selections
Blower Speed Selections
First Stage Cool Speed - cfm
Second Stage Cool Speed - cfm
Low
Medium-
Low
Medium
High
High
(Default)
Low
Medium-
Low
Medium
High
High
(Default)
Increase (+10%) Cool CFM
1035
1230
1390
1565
1560
1740
1940
2145
Default Cool CFM
950
1085
1235
1405
1410
1585
1785
1975
Decrease (-10%) Cool CFM
855
995
1085
1235
1260
1430
1595
1785