Lennox SLP99UHV Series Unit Information page 8

BLO WER DATA
SLP99UH090XV36C BLOWER PERFORMANCE (less filter)
SINGLE SIDE RETURN AIR
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%
657 702
631 673
605 644
574 608
542 571
First Stage Cool Speed - cfm
Low Medium- Medium
Low High
610 705 795
560 640 715
525 605 665
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Heating Input Range and Blower Volume - CFM
50% 60%
792 881
757 841
723 802
676 745
630 689
Blower Speed Selections
High Low
(Default)
920 840
810 770
725 695
70% 80% 90%
971 1061 1150
926 1010 1094
880 959 1037
814 882 951
747 806 864
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1015 1165
910 1050
795 945
100%
1240
1178
1116
1020
923
High
(Default)
1300
1190
1110