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BLOWER DATA
SLP98DF090V48C BLOWER PERFORMANCE (less lter)
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 723 790 925 1060 1195 1329 1464 1599
Increase (+7.5%) Heat CFM 690 752 878 1004 1129 1255 1381 1507
Default Heat CFM 656 714 831 948 1064 1181 1297 1414
Decrease (-7.5% ) Heat CFM 601 654 761 867 974 1081 1188 1295
Decrease (-15% ) Heat CFM 545 593 690 787 884 981 1078 1175
The effect of static pressure is included in air volumes shown.
The following control congurations 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 380 cfm (SLP98DF090V48C) and 450 cfm (SLP98DF090V60C).
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 775 940 1100 1255 1120 1340 1535 1745
Default Cool CFM 690 875 975 1135 1000 1220 1425 1625
Decrease (-10%) Cool CFM 635 755 915 1025 920 1100 1270 1470
SLP98DF090V60C BLOWER PERFORMANCE (less lter)
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 653 728 877 1027 1176 1326 1475 1625
Increase (+7.5%) Heat CFM 603 673 813 953 1092 1232 1372 1512
Default Heat CFM 553 618 748 878 1009 1139 1269 1399
Decrease (-7.5% ) Heat CFM 510 570 690 811 931 1051 1171 1292
Decrease (-15% ) Heat CFM 467 522 632 743 853 963 1074 1184
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 1110 1265 1395 1600 1600 1750 1965 2130
Default Cool CFM 1000 1145 1275 1445 1445 1625 1805 1975
Decrease (-10%) Cool CFM 885 1060 1145 1265 1265 1445 1645 1805