Carrier REFRIGERANT R-410A User Manual
Page 34

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
34
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