Lennox SIGNATURE SLP99UH070XV36B, Unit Information

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SLP99UH070XV36B 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
Heating Input Range and Blower Volume - CFM
35% 40% 50% 60% 70% 80% 90% 100%
Increase (+15%) Heat CFM
484 531 625 718 812 906 999 1093
Increase (+7.5%) Heat CFM 446 490 579 667 756 845 933 1022
Default Heat CFM 407 449 533 616 700 784 867 951
Decrease (-7.5% ) Heat CFM 377 413 487 561 635 709 783 857
Decrease (-15% ) Heat CFM 346 378 442 506 571 635 699 763
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 590 705 805 955 840 1050 1205 1355
Default Cool CFM 540 640 725 820 750 945 1130 1230
Decrease (-10%) Cool CFM 500 580 665 720 685 805 990 1110
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.