Lennox SLP99UHV Series Unit Information page 5

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