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BLOWER DATA
SLP98UH090V36C 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
657
702
792
881
971
1061
1150
1240
Increase (+7.5%) Heat CFM
631
673
757
841
926
1010
1094
1178
Default Heat CFM
605
644
723
802
880
959
1037
1116
Decrease (-7.5% ) Heat CFM
574
608
676
745
814
882
951
1020
Decrease (-15% ) Heat CFM
542
571
630
689
747
806
864
923
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
610
705
795
920
840
1015
1165
1300
Default Cool CFM
560
640
715
810
770
910
1050
1190
Decrease (-10%) Cool CFM
525
605
665
725
695
795
945
1110
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 250 cfm.
SLP98UH090V36C 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
677
721
810
899
988
1076
1165
1254
Increase (+7.5%) Heat CFM
639
679
760
842
923
1004
1085
1167
Default Heat CFM
600
637
711
784
858
932
1005
1079
Decrease (-7.5% ) Heat CFM
573
606
673
740
806
873
939
1006
Decrease (-15% ) Heat CFM
546
576
635
695
754
814
873
933
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
605
715
810
930
850
995
1165
1305
Default Cool CFM
570
660
735
820
775
905
1050
1205
Decrease (-10%) Cool CFM
530
600
670
725
710
800
945
1070