Lennox SLP99UHV Series Unit Information page 12

BLO WER DATA
SLP99UH090XV48C 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 380 cfm.
Lennox iHarmony Zoning System Applications - Minimum blower speed is 380 cfm.
®
35% 40%
764 828
705 766
645 703
594 650
542 596
First Stage Cool Speed - cfm
Low Medium- Medium
Low High
840 955 1120
775 910 1010
695 815 930
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Heating Input Range and Blower Volume - CFM
50% 60%
956 1084
888 1010
819 936
762 874
704 812
Blower Speed Selections
High Low
(Default)
1280 1160
1170 1060
1045 925
70% 80% 90%
1213 1341 1469
1132 1255 1377
1052 1168 1285
986 1099 1211
921 1029 1137
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1360 1530
1240 1400
1130 1295
100%
1597
1499
1401
1323
1245
High
(Default)
1740
1590
1440