Copyright 2009 Carrier Corp • 7310 W. Morris St. • Indianapolis, IN 46231 Printed in Mexico Edition Date: 09/09 Catalog No: 40RU-03SI
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: New
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Legend and Notes for Tables 10A and 10C
LEGEND
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 2-in.
filters, and unit casing. See table at right for factory-supplied filter
pressure drop.
3. Refer to fan motor and drive tables for additional data.
FACTORY-SUPPLIED PRESSURE DROP — ENGLISH
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
51-mm filters, and unit casing. See table at right for factory-sup-
plied filter pressure drop.
3. Refer to fan motor and drive tables for additional data.
FACTORY-SUPPLIED PRESSURE DROP — SI
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure
UNIT
AIRFLOW
(Cfm)
PRESSURE DROP
(in. wg)
40RUA*25
40RUS*25
6,000 0.12
8,000 0.19
10,000 0.26
40RUA*28
40RUS*28
7,500 0.15
10,000 0.22
12,500 0.30
40RUA*30
40RUS*30
9,000 0.19
12,000 0.29
15,000 0.40
UNIT
AIRFLOW
(L/s)
PRESSURE DROP
(Pa)
40RUA*25
40RUS*25
2900 32
3800 47
4700 64
40RUA*28
40RUS*28
3500 36
4700 55
5900 76
40RUA*30
40RUS*30
4250 47
5650 71
7050 98
