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BLOWER DATA
SLP98UH070V36B BLOWER PERFORMANCE (less filter)
BOTTOM 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
489
538
636
735
833
931
1030
1128
Increase (+7.5%) Heat CFM
450
496
588
680
772
864
956
1048
Default Heat CFM
410
453
539
624
710
796
881
967
Decrease (-7.5% ) Heat CFM
380
419
498
578
657
736
815
895
Decrease (-15% ) Heat CFM
349
385
458
531
604
676
749
822
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
600
740
840
970
860
1060
1215
1365
Default Cool CFM
555
665
770
855
810
960
1130
1265
Decrease (-10%) Cool CFM
500
600
680
790
705
840
1005
1140
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.
SLP98UH070V36B 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
484
531
625
718
812
906
999
1093
Increase (+7.5%) Heat CFM
446
490
579
667
756
845
933
1022
Default Heat CFM
407
449
533
616
700
784
867
951
Decrease (-7.5% ) Heat CFM
377
413
487
561
635
709
783
857
Decrease (-15% ) Heat CFM
346
378
442
506
571
635
699
763
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
590
705
805
955
840
1050
1205
1355
Default Cool CFM
540
640
725
820
750
945
1130
1230
Decrease (-10%) Cool CFM
500
580
665
720
685
805
990
1110