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HORIZONTAL SUPPLY
AIR COVER
SIDE RAIL
WOOD NAILER
S
E
R
V
C I
E
C
L
E
A
R
A
N
C
E
&
P
E
N
E
T
M
O
D
E
L
N
. O
A
B
Y
C
X
O
2
4
0 -
3
6
- F
/ L
M
4
" 2
3
" 0
Y
C
X
0
3
6
G
H -
4
" 2
3
" 0
Y
C
X
0
4
2
G
-
M
Y
C
X
0
4
8
G
-
, H
0
6
0
G
-
M
4
" 2
3
" 0
*
1
" 8
W
T I
H
F
R
E
S
H
A
R I
A
C
C
E
S
S
O
*
3
" 0
W
T I
H
E
C
O
N
O
M
Z I
E
R
Page 6
CONVERTING HORIZONTAL TO DOWNFLOW
HEATER EXCHANGER
TUBES
SHEET METAL
SCREWS
REQUIRED CLEARANCE FOR UNIT INSTALLATION
AND ROOF PENETRATION HOLE SIZE REQUIRED
D
SERVICE
CLEARANCE
LINES
R
A
T
O I
N
I D
M
E
N
S
O I
N
S
C
D
E
F
*
" 6
2
" 4
3
" 6
2
" 5
1 *
" 2
3
" 0
4
" 4
2
" 5
1 *
" 2
3
" 6
5
" 0
2
" 5
R
Y
HORIZONTAL RETURN
AIR COVER
SUPPLY AIR
C
RETURN AIR
HOLE IN ROOF
E
NOTE
SUPPLY OPENING
1. REMOVE SCREW NEAREST TO THE
OPENING AND PULL THE PANEL FIRMLY
TOWARD THE OUTSIDE OF THE UNIT TO
DISENGAGE THE BACK ATTACHMENT.
RETURN OPENING
2. REMOVE RIGHT HAND SCREW AND
MOVE PANEL TO THE RIGHT OR RE-
MOVE BOTH SCREWS.
A
SERVICE
CLEARANCE
B
F
LINES
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