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CONDENSER INLET AIR PLENUM
11
2DCP, Condenser Plenums are used to duct condenser air into the unit. The plenum easily
attaches with speed screws (supplied) to the back of the unit. The plenum transitions the
condenser inlet air opening to 12 inch round on Size 12, 18, 24 and 36. The Size 60 transitions
into 2, 12 inch round inlet ducts.
To calculate “equivalent feet”, add the length of the condenser inlet air duct run and the length of
the condenser air discharge duct run...allowing for elbows( adding 6 equivalent feet per 90°
(elbow). This is total equivalent feet. At any rate, do not exceed the rated E.S.P.(External Static
Pressure).
Condenser air plenums can substantially reduce air noise and increase the number of options for
solving difficult cooling problems.
All 2OAC/2OACH units have a dedicated blower for the condenser section and a dedicated
blower for the evaporator section. So, the “equivalent feet” may be applied to either or both
sections of the unit at the same time.
Model
Evaporator
Plenum
Round
Duct
Size
2OAC12
2OACH12
2OAC18-24
2OACH18-24
2OAC36
2OACH36
2OAC60
2OACH60
2DCP-1
Size/Fits
12 inch Yes No No No
2DCP-2
Size/Fits
12 inch No Yes No No
2DCP-3
Size/Fits
12 inch No No Yes No
2DCP-4
Size/Fits
2-12 Inch No No No Yes
Maximum
Equivalent Feet
(ESP)
-
25
(.20)
40
(.25)
80
(.50)
80
(.50)
F
r
o
n
t
o
f
u
n
i
t
Mounting
screw
Close-up view of
plenum access door for
high pressure switch.
Plenums may be easily attached to the back of unit. Since it adds no width to the unit, it can be
moved through doorways or elevators without removing it.
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