Lennox SLP99UHV Series Unit Information page 9

BLO WER DATA
SLP99UH090XV36C BLOWER PERFORMANCE (less filter)
SINGLE SIDE RETURN AIR WITH OPTIONAL RETURN AIR BASE
HEATING BLOWER PERFORMANCE - 0 through 0.8 in. w.g. External Static Pressure Range
Heating Adjust CFM Selections
Increase (+15%) Heat CFM
Increase (+7.5%) Heat CFM
Default Heat CFM
Decrease (-7.5% ) Heat CFM
Decrease (-15% ) Heat CFM
COOLING BLOWER PERFORMANCE - 0 through 1.0 in. w.g. External Static Pressure Range
Cooling Adjust CFM
Selections
Increase (+10%) Cool CFM
Default Cool CFM
Decrease (-10%) Cool CFM
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.
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% and 38% (DIP switch selectable) of the same second-stage COOL speed position.
minimum 250 cfm.
Lennox iHarmony Zoning System Applications - Minimum blower speed is 250 cfm.
®
35% 40%
677 721
639 679
600 637
573 606
546 576
First Stage Cool Speed - cfm
Low Medium- Medium
Low High
605 715 810
570 660 735
530 600 670
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Heating Input Range and Blower Volume - CFM
50% 60%
810 899
760 842
711 784
673 740
635 695
Blower Speed Selections
High Low
(Default)
930 850
820 775
725 710
70% 80% 90%
988 1076 1165
923 1004 1085
858 932 1005
806 873 939
754 814 873
Second Stage Cool Speed - cfm
Medium- Medium
Low High
995 1165
905 1050
800 945
100%
1254
1167
1079
1006
933
High
(Default)
1305
1205
1070