7
17
5
⁄
16
"
24
1
⁄
2
"
27
9
⁄
16
"
TYP
27
5
⁄
8
"
29
1
1
⁄
16
"
TY
P
30
13
⁄
16
"
32
5
⁄
8
"
TY
P
33
1
⁄
4
"
TYP
CONDENSA
T
E
DRAIN TRAP
LO
C
A
TION
(AL
TERN
A
TE
UPF
LO
W)
7
⁄
8
-IN
. D
IA
A
CCES
S
O
R
Y
PO
WER ENT
R
Y
7
⁄
8
-IN.
DIA
PO
WER CONN
CONDENS
A
T
E DRAIN
TRAP
LO
C
A
TION
(D
OW
N
F
L
O
W &
HORIZONT
A
L L
E
F
T
)
26
15
⁄
16
"
24
1
⁄
2
"
22
5
⁄
16
"
2
-IN.
COM
B
U
STION-
AIR CONN
1
⁄
2
-IN.
DI
A
GAS CONN
2
-IN
. VEN
T
CONN
1
⁄
2
-IN
. D
IA
THERMOST
A
T
ENT
RY
22
1
1
⁄
16
"
SIDE INLET
23
1
⁄
4
"
TY
P
SIDE INLET
1
1
⁄
4
"
1
"
E
INLE
T
11
⁄
16
"
11
⁄
16
"
D
13
⁄
16
"
13
⁄
16
"
OUTLET
A
AIRF
LO
W
OUTLET
26
15
⁄
16
"
28
1
⁄
2
"
22
5
⁄
16
"
19
"
13
⁄
16
"
5
⁄
8
"
5
⁄
16
"
1
"
39
7
⁄
8
"
22
1
⁄
4
"
TYP
11
⁄
16
"
7
⁄
16
"
24
3
⁄
16
"
B
O
T
T
O
M INLET
18
1
⁄
4
"
22
1
1
⁄
16
"
CONDENS
A
T
E DRAIN
TRA
P
L
O
C
A
TION
(DO
WNF
LO
W &
HORIZONT
A
L
RIGHT)
OR AL
TERN
A
TE
1
⁄
2
-IN.
DI
A
GAS CONN
2-IN.
COM
B
U
STION-
AIR CONN
1
⁄
2
-IN
. DI
A
GAS CONN
7
⁄
8
-IN.
DIA
PO
WER CONN
1
⁄
2
-IN
. DI
A
THERMOS
TAT
EN
TR
Y
2-IN
. VEN
T
CONN
DIMPLE L
O
C
A
T
O
RS
FOR HORIZONT
AL
HANGING
14
1
⁄
2
"
TY
P
SIDE INLET
NO
TES:
1.
Mini
m
um retu
rn-air openings at fur
n
ace
, based on metal duct.
If fle
x
duct is used,
see fle
x
duct ma
n
u
facturer‘s recommendation
fo
r equi
valent diameter
s
.
2.
Mini
m
um retu
rn
-air opening at fur
nace:
a.
F
o
r 800 CFM 16-in
. (406mm)
round or 14
1
/
2
(368mm)
x 12-in
. (305mm)
rectangl
e.
b
.
F
o
r 1200 CFM 20-in
. (508mm)
round or 14
1
/
2
(368mm)
x 19
1
/
2
-in. (495mm)
rectangle
.
c.
F
o
r 1600 CFM 22-in
.(559mm)
round or 14
1
/
2
(368mm)
x 23
1
/
4
-in
.(591mm)
rectangl
e
.
d.
F
o
r airflo
w requirements ab
o
ve
1800 CFM, see
Air Deli
ve
ry tab
le in Product Data
lite
rature f
o
r specific use of single side inlet
s
. The use of both side inlets
, a
combination of 1 side and the bottom, or the bottom only will e
nsure adequate
retur
n
air openings f
o
r airflo
w requirements abo
ve
1800 CFM at 0.5 in. W
.C. ESP
.
9
7
⁄
16
"
TYP
26
15
⁄
16
"
TY
P
CONDENS
A
TE
DRAIN L
O
C
A
TION
(UPFLO
W)
30
1
⁄
2
"
9
⁄
16
"
TYP
CONDENSA
T
E
DRAIN L
O
C
A
TION
(UPF
L
O
W)
26
1
⁄
4
"
26
1
⁄
4
"
(684mm)
(667mm)
(666mm)
(567mm)
(51mm)
(51mm)
(13mm)
(13mm)
(576mm)
(368mm)
(32mm)
(25mm)
(591mm)
(684mm)
(240mm)
(440mm)
(622mm)
(700mm)
(702mm)
(754mm)
(783mm)
(829mm)
(845mm)
(22mm)
(22mm)
(21mm)
(21mm)
(17mm)
(17mm)
(464mm)
(775mm)
(565mm)
(614mm)
(25mm)
(1
1mm)
(17mm)
(1013mm)
(8mm)
(16mm)
(21mm)
(14mm)
(483mm)
(567mm)
(667mm)
(694mm)
(724mm)
UNI
T
S
IZ
E
A
D
E
040-12 /
036040
1
7-1/
2 (
445)
15-7/
8 (403)
1
6 (406)
060-12 /
036060
17-1/
2 (445)
15-7/
8
(
4
03)
16 (406)
080-12 /
036080
17-1/
2 (445)
15-7
/8
(
40
3)
16 (4
06)
080-16 /
048080
17-1/
2 (445)
15-7/
8 (403)
16 (406)
100-20 /
060100
21 (25
.4
)
1
9-3/
8 (492)
1
9-1/
2 (
4
95)
120-20 /
0601
20
24-1/
2 (622
)
22-7/
8 (581)
23 (584)
A08321
353AA
V