Lennox SLP99UHV Series Unit Information page 11

BLO WER DATA
SLP99UH090XV48C 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 3808 cfm.
Lennox iHarmony Zoning System Applications - Minimum blower speed is 380 cfm.
®
35% 40%
747 812
698 759
649 706
589 644
528 582
First Stage Cool Speed - cfm
Low Medium- Medium
Low High
820 1005 1135
755 880 1025
680 815 925
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Heating Input Range and Blower Volume - CFM
50% 60%
943 1073
882 1005
821 936
755 867
690 797
Blower Speed Selections
High Low
(Default)
1290 1140
1150 1040
1065 910
70% 80% 90%
1204 1334 1465
1127 1250 1372
1051 1165 1280
978 1089 1200
905 1013 1120
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1340 1525
1235 1395
1120 1275
100%
1595
1495
1395
1312
1228
High
(Default)
1725
1565
1400