Legend and Notes for Tables 10A and 10C
LEGEND
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure
NOTES:
1.Maximum allowable fan speed for size 25 units is 1200 rpm . Maximum allowable fan speed for size 28 and 30 units is 1100 rpm.
2.Fan performance is based on deductions for wet coil, clean
3.Refer to fan motor and drive tables for additional data.
FACTORY-SUPPLIED PRESSURE DROP — ENGLISH
UNIT | AIRFLOW | PRESSURE DROP | |
(Cfm) | (in. wg) | ||
| |||
40RUA*25 | 6,000 | 0.12 | |
8,000 | 0.19 | ||
40RUS*25 | |||
10,000 | 0.26 | ||
| |||
40RUA*28 | 7,500 | 0.15 | |
10,000 | 0.22 | ||
40RUS*28 | |||
12,500 | 0.30 | ||
| |||
40RUA*30 | 9,000 | 0.19 | |
12,000 | 0.29 | ||
40RUS*30 | |||
15,000 | 0.40 | ||
|
Legend and Notes for Tables 10B and 10D
LEGEND
ESP — External Static Pressure
NOTES:
1.Maximum allowable fan speed for size 25 units is 20 r/s. Maximum allowable fan speed for size 28 and 30 units is 18.3 r/s.
2.Fan performance is based on deductions for wet coil, clean
3.Refer to fan motor and drive tables for additional data.
FACTORY-SUPPLIED PRESSURE DROP — SI
UNIT | AIRFLOW | PRESSURE DROP | |
(L/s) | (Pa) | ||
| |||
40RUA*25 | 2900 | 32 | |
3800 | 47 | ||
40RUS*25 | |||
4700 | 64 | ||
| |||
40RUA*28 | 3500 | 36 | |
4700 | 55 | ||
40RUS*28 | |||
5900 | 76 | ||
| |||
40RUA*30 | 4250 | 47 | |
5650 | 71 | ||
40RUS*30 | |||
7050 | 98 | ||
|
Copyright 2009 Carrier Corp • 7310 W. Morris St. • Indianapolis, IN 46231 | Printed in Mexico | Edition Date: 09/09 | Catalog No: |
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Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. | Replaces: New | ||
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