Air
Accessories
RKNL-B Series
61
CONCENTRIC DIFFUSER—FLUSH
and 18" x 28" [457.2 x 711.2 mm]
RXRN-AA71 (8.5 & 10 Ton [29.9 & 35.2] Models)
For Use With Downflow Transition (RXMC-CE05)
and 18" x 28" [457.2 x 711.2 mm]
Supply and Return Ducts
■
All aluminum diffuser with aluminum
return air eggcrate.
■
Built-in anti-sweat gasket.
■
Molded fiberglass supports.
■
Built-in hanging supports.
■
Diffuser box constructed of sheetmetal
insulated with 1" [25.4 mm] 1.5 lbs.
[.7 kg] duct liner.
Model No.
Flow Rate
CFM [L/s]
Static Pressure
in w.c. [kPa]
Throw ➁➂
Feet [m]
Neck Velocity
fpm [m/s]
Noise Level ➃
(dbA)
RXRN-AA71
3600 [1699]
0.17 [0.042]
22-29 [6.7-8.8] 844 [4.3]
35
3800 [1793] 0.18 [0.045] 22-30 [6.7-9.1] 891 [4.5] 40
4000 [1888]
0.21 [0.052]
24-33 [7.3-10.1]
938 [4.8]
40
4200 [1982]
0.24 [0.060]
26-35 [7.9-10.7]
985 [5.0] 40
4400 [2076]
0.27 [0.067]
28-37 [8.5-11.3]
1032 [5.2]
40
NOTES: ➀ All data is based on the air diffusion council guidelines.
➁ Throw data is based on 75 FPM Terminal Velocities using isothermal air.
➂ Throw is based on diffuser blades being directed in a straight pattern.
➃ Actual noise levels may vary due to duct design and do not include transmitted unit noise.
Adequate duct attenuation must be provided to reduce sound output from the unit.
[ ] Designates Metric Conversions
Illustration
ADS-7951-06A
Illustration
ADS-7951-06B
Illustration
ADS-7951-06C
ENGINEERING DATA
➀
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