Carrier MODULINE 37HS - Manual (Page 36)

Table 10 — Minimum Static Pressure at Control
(Master) Unit — Units with System-Powered
Controls and Standard Diffusers
AIRFLOW
(Cfm)
37HS1 37HS2 37HS4
PLENUM SIZE (in.)
7 x 7 7 x 7 9 x 9
5 x 7 9 x 9 9 x 9 11 x 11
11 x 11 11 x 11 13 x 13
Minimum Static Pressure (in. wg)
40
0.75 0.75 N/A N/A
50
60
70
80
0.75 0.75 0.75 N/A 90
100
110 0.90 0.90 0.75 N/A
120
N/A N/A 0.75 N/A
140
160
N/A N/A 0.75 0.75 180
200
220 N/A N/A 0.90 0.75
240
N/A N/A N/A 0.75
280
320
360
400
440 N/A N/A N/A 0.90
N/A — Not Applicable
NOTE: Maximum inlet pressure — 3.0 in. wg.
Table 11 — Additional ⌬ P for
Extended Lengths of Flexible Duct
FLEX
DUCT
DIAM
(in.)
TOTAL
CFM
IN AIR
SERIES
ADDITIONAL
⌬ P PER
10 FT FLEX DUCT
(in. wg)
6 400 0.2
8 800 0.16
10 1100 0.1
12 1600 0.07
Table 12 — Additional ⌬ P for
Flexible Duct with 90-Degree Bend
FLEX
DUCT
DIAM
(in.)
TOTAL
CFM
IN AIR
SERIES
RADIUS
OF
BEND
(in.)
ADDITIONAL ⌬ P
FOR 90° BEND
IN FLEXIBLE DUCT
(in. wg)
6 400 18 0.26
8 800 24 0.16
10 1100 30 0.08
12 1600 36 0.04
C — Controller
Fig. 23 — Three 37HS2 Moduline ா Units in Adjoining Modules
Fig. 24 — Four 37HS2 Moduline Units in Alternate Series Modules
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