Rheem RKKB SERIES, Owner'S Manual, Page: 56 / 68

CONCENTRIC DIFFUSER SPECIFICATIONS
CONCENTRIC DIFFUSER
RXRN-AD85 SERIES
20 & 25 TON
[70.3 & 87.9 kW] FLUSH
■
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.
PART
NUMBER
CFM [L/s]
STATIC
PRESSURE
THROW
FEET
1051
1024
996
NECK
VELOCITY
2209
2151
2093
JET
VELOCITY
7800 [3681] 0.47 40-50 1079 2276
8000 [3776] 0.50 42-51 1107 2326
8200 [3870]
7400 [3492] 0.41 28-37
0.53 43-52 1134 2384
7600 [3587] 0.43 29-38
RXRN-AD85
7200 [3398] 0.39 26-35
8400 [3964] 0.56 44-54 1162 2442
8600 [4059] 0.59 46-57 1189 2500
8800 [4153] 0.63 48-59 1217 2558
[ ] Designates Metric Conversions
56
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