Lennox SIGNATURE SLP99UH090XV48C User Manual

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BLOWER DATA
SLP99UH090XV48C BLOWER PERFORMANCE (less lter)
BOTTOM 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 769 835 968 1101 1234 1367 1500 1633
Increase (+7.5%) Heat CFM 713 776 902 1028 1155 1281 1407 1534
Default Heat CFM 656 716 836 955 1075 1195 1314 1434
Decrease (-7.5% ) Heat CFM 595 652 767 882 997 1112 1227 1342
Decrease (-15% ) Heat CFM 534 589 699 809 919 1029 1139 1249
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 840 1005 1155 1315 1165 1375 1580 1770
Default Cool CFM 780 915 1045 1190 1075 1265 1440 1645
Decrease (-10%) Cool CFM 690 835 955 1070 935 1145 1320 1465
BLOWER DATA
SLP99UH090XV60C BLOWER PERFORMANCE (less lter)
BOTTOM 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 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 - 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 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
The e󰀨ect 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.
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 380 cfm.

Lennox SIGNATURE SLP99UH090XV48C Specifications

General

Brand	Lennox
Model	SIGNATURE SLP99UH090XV48C
Category	Furnace
Language	English