Lennox ALLIED Commercial TCA180S2B Standard Manual page 7

BLOWER DATA
BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT WITH WET INDOOR COIL & AIR FILTERS IN PLACE.
FOR ALL UNITS ADD:
1 − Any factory installed options air resistance (electric heat, economizer, etc.). See table below
2 − Any field installed accessories air resistance (duct resistance, diffuser, etc.). See page 17
Then determine from table the blower motor output and drive required.
0.0 to 1.10 in. w.g.
Air
Volume
cfm
0.0 0.10
RPM BHP RP BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
M
Field Furnished Drive
8000 725 3.20 763 3.50 800 3.80 833 4.08 865 4.35 898 4.65 930 4.95 958 5.23 985 5.50 1013 5.80 1040 6310 1065 6.40
8500 750 3.65 788 3.98 825 4.30 858 4.60 890 4.90 920 5.23 950 5.55 978 5.85 1005 6.15 1033 6.48 1060 6.80 1085 7.10
9250 790 4.45 825 4.80 860 5.15 893 5.50 925 5.85 955 6.20 985 6.55 1013 6.88 1040 7.20 1065 7.53 1090 7.85 1115 8.20
10000 835 5.40 868 5.78 900 6.15 930 6.50 960 6.85 988 7.23 1015 7.60 1043 7.98 1070 8.35 1095 8.70 1120 9.05 1145 9.43
10750 875 6.40 908 6.83 940 7.25 970 7.65 1000 8.05 1028 8.45 1055 8.85 1080 9.25 1105 9.65 1130 10.05 1155 10.45 1178 10.83
11500 915 7.40 948 7.88 980 8.35 1010 8.80 1040 9.25 1068 9.68 1095 10.10 1118 10.53 1140 10.95 1165 11.40 1190 11.85 1210 12.23
12000 935 7.95 963 8.35 990 8.75 1020 9.23 1050 9.70 1075 10.15 1100 10.60 1125 10.98 1150 11.35 1173 11.80 1195 12.25
NOTE − Bold, italics − drive is capable of the values noted but will exceed motor horsepower.
Bold − To operate in this range, unit must be ordered with Standard Static Drive and drive kit #7 must be ordered separately for field installation.
1.20 to 2.20 in. w.g.
Air
Volume
cfm
1.20 1.30
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Standard Static − 10 HP, Drive Kit 6
8000 1090 6.70 1115 6.98 1140 7.25 1163 7.55 1185 7.85 1208 8.13 1230 8.40 1253 8.70 1275 9.00 1295 9.30 1315 9.60
8500 1110 7.40 1135 7.73 1160 8.05 1183 8.35 1205 8.65 1228 8.95 1250 9.25 1270 9.25 1290 9.85 1310 10.15 1330 10.45
9250 1140 8.55 1163 8.88 1185 9.20 1208 9.53 1230 9.85 1253 10.20 1275 10.55 1295 10.55 1315 11.20
10000 1170 9.80 1193 10.15 1215 10.50 1238 10.88 1260 11.25 1283 11.62
10750 1200 11.20 1222 11.57
11500 1230 12.60 − − −
AIR RESISTANCE (in. w.g.) − Factory Installed Options
Air Volume − cfm
8000
8500
9250
10,000
10,750
11,000
External Static (in. w.g.) Covered By Drive At Nominal Air
With Economizer, Standard Filters And Wet Indoor Coil
0.20 0.30 0.40
Low Static − 7.5 HP, Drive Kit 7
External Static (in. w.g.) Covered By Drive At Nominal Air
With Economizer, Standard Filters And Wet Indoor Coil
1.40 1.50 1.60
− − − − − −
− − − − − −
Electric Heat
.02
.02
.04
.06
.10
.11
0.50 0.60 0.70
1.70 1.80
− − −
− − − − − − − − −
− − − − − − − − −
Economizer
.09
.11
.15
.19
.23
.25
Page 7
0.80 0.90
1.90 2.00 2.10
Field Furnished Drive
− − −
− − − − − − − − −
− − − − − − − − −
− − − − − − − − −
Horizontal MERV 11
Roof Curb
.13
.15
.18
.21
.25
.27
25 TON
TCA300S
1.00 1.10
Standard
Static
TCA300S
2.20
− − −
− − −
− − −
− − −
Filter
.04
.04
.05
.06
.06
.07