Page 7
BLOWER DATA
25 TON
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.
TCA300S
Air
Volume
cfm
External Static (in. w.g.) Covered By Drive At Nominal Air
With Economizer, Standard Filters And Wet Indoor Coil
0.0
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
1.10
RPM BHP RP
M
BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Field Furnished Drive
Low Static
−
7.5 HP, Drive Kit 7
Standard
Static
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.
TCA300S
Air
Volume
cfm
External Static (in. w.g.) Covered By Drive At Nominal Air
With Economizer, Standard Filters And Wet Indoor Coil
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.10
2.20
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
Field Furnished Drive
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
Electric Heat
Economizer
Horizontal
Roof Curb
MERV 11
Filter
8000
.02
.09
.13
.04
8500
.02
.11
.15
.04
9250
.04
.15
.18
.05
10,000
.06
.19
.21
.06
10,750
.10
.23
.25
.06
11,000
.11
.25
.27
.07