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Lennox SLP99UHV Series

Lennox SLP99UHV Series
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Page 15
BLOWER DATA
SLP99UH110XV60C BLOWER PERFORMANCE (less lter)
BOTTOM RETURN AIR
HEATING BLOWER PERFORMANCE - 0 through 0.8 in. w.g. External Static Pressure Range
Heating Adjust CFM Selections
Heating Input Range and Blower Volume - CFM
35% 40% 50% 60% 70% 80% 90% 100%
Increase (+15%) Heat CFM 767 861 1049 1237 1424 1612 1800 1988
Increase (+7.5%) Heat CFM 738 825 1000 1174 1349 1524 1699 1874
Default Heat CFM 708 789 951 1112 1274 1436 1597 1759
Decrease (-7.5% ) Heat CFM 655 731 883 1035 1187 1339 1491 1644
Decrease (-15% ) Heat CFM 602 673 816 958 1101 1243 1386 1528
COOLING BLOWER PERFORMANCE - 0 through 1.0 in. w.g. External Static Pressure Range
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 1060 1245 1345 1545 1560 1740 1930 2125
Default Cool CFM 970 1145 1265 1395 1405 1565 1775 1945
Decrease (-10%) Cool CFM 885 1025 1110 1250 1270 1425 1610 1770
The e󰀨ect of static pressure is included in air volumes shown.
The following control congurations 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 ring rate based on rst- 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 450 cfm.

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