Lennox SLP98UHV Installation Instructions Manual page 43

SLP98UH090V48C BLOWER PERFORMANCE (less filter)
BOTTOM 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
SLP98UH090V60C BLOWER PERFORMANCE (less filter)
BOTTOM 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
icomfort Touch™ Communicating Thermostat:
- Variable Rate Capacity Mode - furnace automatically adjusts firing rate based on first- 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 380 cfm.
Lennox Harmony III™ Zoning System Applications - Minimum blower speed is 380 cfm.
BLOWER DATA
35% 40%
769 835
713 776
656 716
595 652
534 589
First Stage Cool Speed - cfm
Low Medium- Medium
Low High
840 1005 1155
780 915 1045
690 835 955
35% 40%
583 665
540 618
497 571
439 507
380 443
First Stage Cool Speed - cfm
Low Medium- Medium
Low High
1050 1270 1445
975 1120 1295
865 1010 1120
Page 43
Heating Input Range and Blower Volume - CFM
50% 60%
968 1101
902 1028
836 955
767 882
699 809
Blower Speed Selections
Second Stage Cool Speed - cfm
High Low
(Default)
1315 1165
1190 1075
1070 935
Heating Input Range and Blower Volume - CFM
50% 60%
830 995
774 930
718 865
644 781
570 697
Blower Speed Selections
Second Stage Cool Speed - cfm
High Low
(Default)
1620 1590
1460 1460
1290 1320
70% 80% 90%
1234 1367 1500
1155 1281 1407
1075 1195 1314
997 1112 1227
919 1029 1139
Medium- Medium
Low High
1375 1580
1265 1440
1145 1320
70% 80% 90%
1159 1324 1488
1085 1241 1397
1012 1159 1306
917 1054 1191
823 950 1076
Medium- Medium
Low High
1815 2010
1645 1845
1500 1645
100%
1633
1534
1434
1342
1249
High
(Default)
1770
1645
1465
100%
1653
1553
1453
1328
1203
High
(Default)
2195
2010
1860