6
17
5
⁄
1
6
"
24
1
⁄
2
"
27
9
⁄
1
6
"
TYP
27
5
⁄
8
"
29
1
1
⁄
1
6
"
TYP
3
0
13
⁄
1
6
"
32
5
⁄
8
"
TYP
33
1
⁄
4
"
TYP
CONDENS
AT
E
DRAIN
TRAP
L
O
C
A
TION
(AL
TERNA
TE
UPFLO
W)
7
⁄
8
-IN.
DIA
A
CCES
S
OR
Y
PO
WER ENTR
Y
7
⁄
8
-IN.
DIA
PO
WER CONN
CONDENS
A
TE DRAIN
TRA
P
L
O
C
A
TION
(DO
WNFLO
W &
HORIZON
T
A
L
LEF
T)
2
6
15
⁄
1
6
"
24
1
⁄
2
"
22
5
⁄
1
6
"
2
-IN.
COM
B
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN
2
-IN.
VEN
T
CONN
1
⁄
2
-IN.
DI
A
THERMOS
TA
T
ENTR
Y
22
1
1
⁄
1
6
"
SIDE
INL
E
T
23
1
⁄
4
"
TY
P
SIDE
INL
E
T
1
1
⁄
4
"
1
"
OUTLE
T
2
6
15
⁄
1
6
"
28
1
⁄
2
"
22
5
⁄
1
6
"
19
"
13
⁄
1
6
"
5
⁄
8
"
5
⁄
1
6
"
1
"
39
7
⁄
8
"
22
1
⁄
4
"
TYP
1
1
⁄
1
6
"
7
⁄
1
6
"
24
3
⁄
1
6
"
BO
TT
OM IN
LET
18
1
⁄
4
"
22
1
1
⁄
1
6
"
CONDENS
A
TE DRAIN
TRAP
L
O
C
A
TION
(DO
WNFLO
W &
HORIZON
T
A
L
RIGHT)
OR AL
TERNA
TE
1
⁄
2
-IN.
DIA
GAS CONN
2-IN.
COMB
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN
7
⁄
8
-IN.
DIA
PO
WER CONN
1
⁄
2
-IN
. DIA
THERMOS
T
A
T
ENT
R
Y
2-IN
. VEN
T
CONN
DIMPLE L
O
C
A
T
ORS
FOR HORIZON
TA
L
HANGING
14
1
⁄
2
"
TY
P
SIDE INLE
T
NO
TES:
1.
Minim
u
m retu
rn-air openings
at fur
nace
, based on
metal duct
. If
fle
x
duct is us
ed,
see fle
x
duct m
a
n
uf
acturer
Õs recomm
endations
for equi
valent diame
ters
.
2.
Minim
u
m retu
rn-air opening
at fur
nace:
a.
F
or 8
00
CFM 1
6
-i
n
. (4
06
mm
) round or
14
1
/
2
(3
6
8mm)
x 12-in
. (3
0
5mm)
rectangl
e.
b.
F
or 12
00
CFM 2
0
-i
n
. (5
0
8mm
) round or
14
1
/
2
(3
6
8mm)
x 19
1
/
2
-in. (495mm)
rectangl
e.
c.
F
or 1
600
CFM 22-i
n
.(559mm)
round or
14
1
/
2
(3
6
8mm)
x 23
1
/
4
-in.(591mm)
rectangl
e.
d.
F
or airflo
w
requir
ements
ab
o
ve 18
00
CFM, see
Air Deli
ve
ry tab
le in Product D
ata
liter
ature
for spec
ific use
of single side inlet
s
. The use of both
side inlet
s
, a
combination
of 1 sid
e and the bottom, o
r the bottom only
will ensure adequ
ate
retur
n air openings
f
or air
flo
w
requir
ements ab
o
ve
18
00
CFM at
0
.5
“
W
.C
. E
S
P
.
9
7
⁄
1
6
"
TYP
2
6
15
⁄
1
6
"
TY
P
CONDENS
AT
E
DRAIN L
O
C
A
TION
(UPF
LO
W)
3
0
1
⁄
2
"
9
⁄
1
6
"
TYP
CONDENS
AT
E
DRAIN L
O
C
A
TION
(UPFLO
W)
2
6
1
⁄
4
"
2
6
1
⁄
4
"
(
6
84mm)
(
66
7mm)
(
666
mm)
(5
6
7mm)
(51mm
)
(51mm
)
(13mm
)
(13mm
)
(57
6
mm)
(3
6
8mm)
(32mm
)
(25mm
)
(591mm)
(
6
84mm)
(24
0
mm
)
(44
0
mm)
(
6
22mm)
(7
00
mm)
(7
0
2mm)
(754mm)
(783mm)
(829mm)
(845mm)
(22mm)
(22mm)
(4
6
4mm)
(775mm)
(5
6
5mm)
(
6
14mm)
(25mm)
(1
1mm)
(17mm)
(1
0
13mm)
(8mm)
(1
6
mm)
(21mm)
(14mm)
(483mm)
(5
6
7mm)
(
66
7mm)
(
6
94mm)
(724mm)
D
IMENSION
S
---
IN.
(MM)
UNIT
SIZE
AD
E
036060
17
---
1/2
(445)
15
---
7/8
(403)
16
(406)
036080
17
---
1/2
(445)
15
---
7/8
(403)
16
(406)
048080
17
---
1/2
(445)
15
---
7/8
(403)
16
(406)
060100
21
(533)
19
---
3/8
(492)
19
---
1/2
(495)
060120
24
---
1/2
(622)
22
---
7/8
(581)
23
(584)
E
INLET
11
/
1
6
"
11
/
1
6
"
D
13
/
1
6
"
13
/
1
6
"
OUTLET
A
AIRFLO
W
A08323
Fig. 3 -- Dimensional Drawing
353BA
V
