Lennox SLP98UHV SERIES - Page 8

Page 8
BLOWER DATA
SLP98UH090V48C 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 764 828 956 1084 1213 1341 1469 1597
Increase (+7.5%) Heat CFM 705 766 888 1010 1132 1255 1377 1499
Default Heat CFM 645 703 819 936 1052 1168 1285 1401
Decrease (-7.5% ) Heat CFM 594 650 762 874 986 1099 1211 1323
Decrease (-15% ) Heat CFM 542 596 704 812 921 1029 1137 1245
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 840 955 1120 1280 1160 1360 1530 1740
Default Cool CFM 775 910 1010 1170 1060 1240 1400 1590
Decrease (-10%) Cool CFM 695 815 930 1045 925 1130 1295 1440
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 380 cfm (SLP98UH090V48C) and 450 cfm (SLP98UH090V60C).
SLP98UH090V60C BLOWER PERFORMANCE (less lter)
BOTTOM 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 583 665 830 995 1159 1324 1488 1653
Increase (+7.5%) Heat CFM 540 618 774 930 1085 1241 1397 1553
Default Heat CFM 497 571 718 865 1012 1159 1306 1453
Decrease (-7.5% ) Heat CFM 439 507 644 781 917 1054 1191 1328
Decrease (-15% ) Heat CFM 380 443 570 697 823 950 1076 1203
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 1050 1270 1445 1620 1590 1815 2010 2195
Default Cool CFM 975 1120 1295 1460 1460 1645 1845 2010
Decrease (-10%) Cool CFM 865 1010 1120 1290 1320 1500 1645 1860