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AT-Series Heating and Cooling Unit with Filtration
A
B
C
G
D
H
SPLIT
FOR
SHIPMENT
INSPECTION
AND
RELIEF PORT
K
LIFTING
ANGLES
LIFTING
ANGLES
J
P
E
L
M
N
M
L
CONTROL
PANEL
F F
Q
END VIEWFRONT VIEW
DA DA
RA
RA
RA
RA
DA DA
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
HEAT EXCHANGER
SECTION
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.
• Dimension "F" is ue diameter. Flue
located on left side of unit for 1,000 MBH
heat exchanger and smaller; ue located
on right side of unit for 1,250 MBH heat
exchanger and larger.
• Dimensions "D" and "F" may vary
depending on heat exchanger size
(ex. 45 = 450 MBH heat exchanger).
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 53 53 65 53
75 - 53
100 - 53
125 - 72
75 - 53
100 - 53
125 - 72
150 - 72
175 - 72
90 96 96
E 48 48 48 48 48 48 48 48 48
F
45 - 6
75 - 6
100 - 8
45 - 6
75 - 6
100 - 8
45 - 6
75 - 6
100 - 8
125 - 10
45 - 6
75 - 6
100 - 8
75 - 6
100 - 8
125 - 10
75 - 6
100 - 8
125 - 10
175 - 12
175 - 12
225 - 12
300 - 14
300 - 14
450 - 16
300 - 14
450 - 16
G 6 6 6 6 6 6 6 6 6
H 24 24 36 24 30 30 36 36 40
J 10 10 16 6 10
K .75 .75 .75 .75 .75 .75 .75 .75 .75
L .75 .75 .75 .75 .75 .75 .75 .75 .75
M 6 6 6 6 6 6 6 6 6
N 3 3 3 3 3 3 3 3 3
P N/A N/A N/A N/A N/A N/A 50 50 50
Q 35 35 35 35 35 35 35 35 35