Specifications
164015-YIM-A-0905
Unitary Products Group 39
ZH090 (7.5 Ton) Standard Motor Bottom Duct Blower Performance
7.5 Ton STANDARD MOTOR BOTTOM DUCT BLOWER PERFORMANCE
1
,
2
1. Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.
2. Blower performance includes two-inch throwaway filters.
ESP
3
3. ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been deducted from the total static
pressure of the blower.
TURNS OPEN
4
4. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
0 Turns 1 Turns 2 Turns 3 Turns 4 Turns 5 Turns
CFM RPM W
5
5. W = Watts
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP
0.2 3619 1203 2148 2.30 3452 1156 1913 2.05 3272 1110 1696 1.82 3085 1063 1503 1.61 2932 1013 1299 1.39 2742 963 1123 1.20
0.4 3343 1204 1988 2.13 3189 1159 1781 1.91 2995 1113 1547 1.66 2798 1065 1360 1.46 2640 1014 1190 1.28 2421 965 1024 1.10
0.6 3100 1205 1857 1.99 2944 1162 1676 1.80 2746 1116 1440 1.54 2512 1068 1246 1.34 2340 1017 1067 1.14 2084 967 918 0.98
0.8 2846 1205 1712 1.84 2675 1166 1534 1.65 2448 1118 1326 1.42 2162 1071 1098 1.18 1956 1020 934 1.00 1606 969 781 0.84
1.0 2559 1207 1574 1.69 2335 1169 1364 1.46 2084 1119 1174 1.26 1712 1074 941 1.01 - - - - - - - -
1.2 2219 1209 1435 1.54 1935 1174 1039 1.11 - - - - - - - - - - - - - - - -
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ZH090 (7.5 Ton) Alternate Motor Bottom Duct Blower Performance
7.5 Ton ALTERNATE MOTOR BOTTOM DUCT BLOWER PERFORMANCE
1
,
2
ESP
3
TURNS OPEN
4
0 Turns 1 Turns 2 Turns 3 Turns 4 Turns 5 Turns
CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP CFM RPM W
5
BHP
0.2 3995 1299 2790 2.99 3765 1249 2420 2.60 3619 1198 2147 2.30 3399 1144 1849 1.98 3223 1092 1630 1.75 3002 1038 1421 1.52
0.4 3718 1303 2580 2.77 3508 1252 2290 2.46 3353 1201 2010 2.16 3131 1147 1715 1.84 2945 1094 1525 1.64 2715 1039 1328 1.42
0.6 3506 1305 2440 2.62 3288 1255 2117 2.27 3107 1203 1862 2.00 2876 1149 1603 1.72 2666 1096 1368 1.47 2418 1042 1206 1.29
0.8 3290 1308 2290 2.46 3053 1258 1982 2.13 2858 1206 1712 1.84 2594 1152 1487 1.60 2334 1099 1248 1.34 2049 1044 1037 1.11
1.0 3065 1312 2167 2.32 2795 1261 1844 1.98 2558 1209 1602 1.72 2259 1155 1318 1.41 1954 1101 1095 1.17 - - - -
1.2 2799 1315 1977 2.12 2458 1264 1675 1.80 2223 1212 1408 1.51 1780 1159 1084 1.16 - - - - - - - -
1.4 2401 1320 1775 1.90 2098 1269 1487 1.60 - - - - - - - - - - - - - - - -
1.6 1940 1325 1514 1.62 - - - - - - - - - - - - - - - - - - - -
1. Blower performance for gas heat includes maximum number of heat tubes available for each tonnage.
2. Blower performance includes two-inch throwaway filters.
3. ESP (External Static Pressure) given is that available for the supply and return air duct system. All internal resistances have been deducted from the total
static pressure of the blower.
4. “Turns Open” refers to the setting of the variable pitch motor sheave, where “0 Turns Open” is fully closed.
5. W = Watts
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