PRODUCT SPECIFICATIONS
FAN PERFORMANCE DATA (CONT.)
FIGURE 5. FAN CURVE - PCB 120
SUPPLY FAN PERFORMANCE - PCB120
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| External Static Pressure (INCHES W.C.) |
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CFM | 0.2 | 0.4 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | ||||||||
| RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP |
3400 | 679 | 0.73 | 781 | 0.98 | 873 | 1.26 | 957 | 1.58 | 1034 | 1.91 | 1105 | 2.26 | 1171 | 2.26 | 1233 | 2.99 |
3600 | 706 | 0.83 | 805 | 1.10 | 894 | 1.39 | 975 | 1.71 | 1051 | 2.05 | 1121 | 2.41 | 1188 | 2.78 | 1249 | 3.17 |
3800 | 733 | 0.95 | 829 | 1.23 | 916 | 1.53 | 995 | 1.85 | 1069 | 2.20 | 1139 | 2.57 | 1204 | 2.95 | 1266 | 3.36 |
4000 | 761 | 1.07 | 855 | 1.37 | 938 | 1.68 | 1016 | 2.01 | 1088 | 2.36 | 1156 | 2.74 | 1221 | 3.14 | 1282 | 3.55 |
4200 | 790 | 1.21 | 880 | 1.52 | 961 | 1.84 | 1037 | 2.18 | 1108 | 2.54 | 1175 | 2.93 | 1239 | 3.33 | 1299 | 3.75 |
4400 | 818 | 1.36 | 906 | 1.68 | 985 | 2.01 | 1059 | 2.36 | 1128 | 2.73 | 1194 | 3.13 | 1257 | 3.54 | 1316 | 3.97 |
Notes:
•Selections in ITALICS require a field drive change. See following table below for drive ranges.
•Table includes all internal pressure drops including cabinet losses. See Pressure Drops table that must be considered as part of external static pressure drop.
SUPPLY FAN DRIVE DATA - PCB120
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| Motor Sheave - Adjustable | Factory Setting |
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| Fan Sheave - Fixed | Two Turns Opens |
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Motor Sheave Turns Open | 0 | 1 | 2 |
| 3 | 4 | 5 | |
Fan RPM | 3.0 HP Motor | 1242 | 1186 | 1129 |
| 1073 | 1016 | 960 |
Note: Allow ±5% variation in blower RPM due to pulley manufacturing tolerances.
Conversion Factor:
1 CFM = 0.472 L/S
1” W.C. = 2.5 M Bar 1 HP = 0.747 kW
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