Lennox SLP98UHV SERIES - Safety Precautions; Planned Service; Annual Furnace Maintenance

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BLOWER DATA
SLP98UH090V36C BLOWER PERFORMANCE (less lter)
RIGHT SIDE RETURN AIR
HEATING BLOWER PERFORMANCE
Heating Adjust CFM Selections
Heating Input Range and Blower Volume - CFM
35% 40% 50% 60% 70% 80% 90% 100%
Increase (+15%) Heat CFM 657 702 792 881 971 1061 1150 1240
Increase (+7.5%) Heat CFM 631 673 757 841 926 1010 1094 1178
Default Heat CFM 605 644 723 802 880 959 1037 1116
Decrease (-7.5% ) Heat CFM 574 608 676 745 814 882 951 1020
Decrease (-15% ) Heat CFM 542 571 630 689 747 806 864 923
COOLING BLOWER PERFORMANCE
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 610 705 795 920 840 1015 1165 1300
Default Cool CFM 560 640 715 810 770 910 1050 1190
Decrease (-10%) Cool CFM 525 605 665 725 695 795 945 1110
The effect 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
icomfort Touch™ Communicating Thermostat:
- Variable Rate Capacity Mode - furnace automatically adjusts ring rate based on rst- and second-stage cycle times
- 35%, 60%, 80%, 100% (four-stage) with time delays in-between
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%, 38%, 70% and 100% (DIP switch selectable) of the same second-stage COOL speed position
minimum 300 cfm.
Lennox Harmony III™ Zoning System Applications - Minimum blower speed is 250 cfm.
SLP98UH090V36C BLOWER PERFORMANCE (less lter)
RIGHT SIDE RETURN AIR WITH OPTIONAL RETURN AIR BASE
HEATING BLOWER PERFORMANCE
Heating Adjust CFM Selections
Heating Input Range and Blower Volume - CFM
35% 40% 50% 60% 70% 80% 90% 100%
Increase (+15%) Heat CFM 677 721 810 899 988 1076 1165 1254
Increase (+7.5%) Heat CFM 639 679 760 842 923 1004 1085 1167
Default Heat CFM 600 637 711 784 858 932 1005 1079
Decrease (-7.5% ) Heat CFM 573 606 673 740 806 873 939 1006
Decrease (-15% ) Heat CFM 546 576 635 695 754 814 873 933
COOLING BLOWER PERFORMANCE
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 605 715 810 930 850 995 1165 1305
Default Cool CFM 570 660 735 820 775 905 1050 1205
Decrease (-10%) Cool CFM 530 600 670 725 710 800 945 1070