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4
A
K
B
C
E
D
F
SPLIT
FOR
SHIPMENT
H
LIFTING
ANGLES
G
M
L
K
J
J
DISCHARGE
PLENUM
EXTENSIONS
(OPTIONAL)
ADDITIONAL
PROPELLER FAN
SECTION REQUIRED
FOR 254, 260, 272
MODELS
PROPELLER
FAN / INLET
SECTION
EXTERIOR FILTER
RACKS / COILS AND
COIL EXTENSION
END VIEWFRONT VIEW
DA DA
RA
RA
RA
RA
DA DA
AT-Series Cooling Unit with Filtration
IMPORTANT NOTES:
•All dimensions are in inches.
•All dimensions are subject to change
without notice.
•Due to height of unit, additional support is
recommended on top of the unit.
LEGEND
DA = Discharge Air
RA = Return Air
DIMENSIONS
AT-136 AT-148 AT-154 AT-236 AT-242 AT-248 AT-254 AT-260 AT-272
A 60 72 85 90 100 116 145 160 165
B 50 60 72 50 55 60 72 84 90
C 75 85 95 85 85 95 90 90 90
D 48 48 48 48 48 48 48 48 48
E 6 6 6 6 6 6 6 6 6
F 24 24 36 24 30 30 36 36 40
G 10 10 16 6 10
H .75 .75 .75 .75 .75 .75 .75 .75 .75
J .75 .75 .75 .75 .75 .75 .75 .75 .75
K 6 6 6 6 6 6 6 6 6
L 3 3 3 3 3 3 3 3 3
M N/A N/A N/A N/A N/A N/A 50 50 50