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The unit may be installed directly on wood floors or on Class
A, Class B, or Class C roof covering material.
A safe, flat surface for service personnel should be provided.
Roof Curb Installations Only
Sufficient structural support must be determined prior to
locating and mounting the curb and package unit.
Ductwork must be constructed using industry guidelines. The
ductwork must be placed into the roof curb before mounting
the package unit.
Curb insulation, cant strips, flashing and general roofing
material are furnished by the contractor.
Roof Curb Installation
Unit Dimensions—Rear
B
A
C
I
F
H
G
D
F
E
L
J
X
W
K
L
V
U
T
M
R
S
N
O
P
Q
J. 2 ³⁄₄ " (7 cm)
R. 4 ³⁄₄ " (12.1 cm)
A. 47" (119.4 cm)
B. 51" (129.5 cm)
K. Air return
S. Gas supply entrance
C. 18 ⁷⁄₁₆ " (46.8 cm)
L. Medium: 16"
T. Condensate drain
connection— ³⁄₄ "
D. Medium: 9 ¹⁄₂ "
(40.6 cm), large:
18" (45.7 cm)
(1.9 cm) NPT female
(24.2 cm), large: 14"
(35.6 cm)
M. Air supply
U. Heat exchange
E. 7 ¹⁵⁄₁₆ " (20.2 cm)
access panel
N. 3" (7.6 cm)
V. Flue exhaust hood
F. 16" (40.6 cm)
O. Evaporator/
G. 1 ³⁄₈ " (3.5 cm)
control panel
W. Combustion air inlet
access panel
H. 5 ¹⁄₂ " (14 cm)
X. Suction/liquid
P. 16 ¹⁄₈ " (40.9 cm)
pressure ports
I. Medium: 32" (81.3 cm),
Q. 19 ¹⁄₈ " (48.6 cm)
behind compressor
large: 40" (101.6 cm)
access panel
Unit Dimensions—Side
A
D
E
F
B
C
G
J
H
I
K
E. 7 ⁵⁄₁₆ " (17.6 cm)
A. Center of gravity
I. Control access
F. 7 ⁷⁄₈ " (30 cm)
panel
B. 20" (50.8 cm)
J. 5 ¹⁄₄ " (13.3 cm)
C. 24" (61 cm)
G. Control wire entrance
K. Combustion air
D. Power supply wire
H. Flue exhaust hood
intake
entrance
Page 5
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