-- 6 --
17
5
⁄
16
"
24
1
⁄
2
"
27
9
⁄
16
"
TY
P
27
5
⁄
8
"
29
1
1
⁄
16
"
TYP
30
13
⁄
16
"
32
5
⁄
8
"
TYP
33
1
⁄
4
"
TYP
CONDENS
AT
E
DRAIN
TRAP
LO
C
A
TION
(AL
TERN
A
TE
UPFL
O
W)
7
⁄
8
-IN.
DIA
A
CCES
SO
R
Y
PO
WER EN
T
R
Y
7
⁄
8
-IN.
DIA
PO
WER CONN
CONDENS
A
TE DRAIN
TRAP
LO
C
A
TION
(D
O
WNF
L
O
W &
HORIZON
TA
L
LEF
T)
26
15
⁄
16
"
24
1
⁄
2
"
22
5
⁄
16
"
2
-IN.
COM
B
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN
2
-IN
. VENT
CONN
1
⁄
2
-IN
. DIA
THERMOS
TAT
ENTR
Y
22
1
1
⁄
16
"
SIDE INLE
T
23
1
⁄
4
"
TY
P
SIDE INLET
1
1
⁄
4
"
1
"
E
INLE
T
1
1
⁄
16
"
1
1
⁄
16
"
D
13
⁄
16
"
13
⁄
16
"
OUTLE
T
A
AIRF
LO
W
OUTLE
T
26
15
⁄
16
"
28
1
⁄
2
"
22
5
⁄
16
"
19
"
13
⁄
16
"
5
⁄
8
"
5
⁄
16
"
1
"
39
7
⁄
8
"
22
1
⁄
4
"
TYP
1
1
⁄
16
"
7
⁄
16
"
24
3
⁄
16
"
B
O
T
T
OM I
NLET
18
1
⁄
4
"
22
1
1
⁄
16
"
CONDENSA
TE DRAIN
TRA
P
LO
C
A
TION
(DO
WNFLO
W
&
HORIZON
T
A
L
RIGHT)
OR AL
TERN
A
TE
1
⁄
2
-IN.
DIA
GAS CONN
2-IN
. COM
B
USTION-
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
OC
AT
O
R
S
FOR HORIZON
TA
L
HANGING
14
1
⁄
2
"
TY
P
SIDE
INLE
T
NO
TES:
1.
Mini
m
um retur
n-air openings at fur
nace
, based on metal duct.
If fle
x
duct is used,
see fle
x
duct ma
n
u
facturerÕ
s recommendations
for equi
valent diameters
.
2.
Mini
m
um retur
n-air opening at fur
nace:
a.
F
or 800 CFM
16-in
. (406mm
) round or 14
1
/
2
(368mm)
x 12-in
. (305mm)
rectangl
e.
b
.
F
or 1200 CFM
20-in
. (508mm
) round or 14
1
/
2
(368mm)
x 19
1
/
2
-in. (495mm)
rectangle
.
c.
F
or 1600 CFM
22-in
.(559mm)
round or 14
1
/
2
(368mm)
x 23
1
/
4
-in
.(591mm)
rectangl
e
.
d.
F
or airflo
w
requirements ab
o
ve 1800 CFM, see
Air Deli
ve
ry
tab
le in Product Dat
a
lite
rature f
or specific use of single side inlets
. The use of both side inlet
s
, a
combination of 1 side and the
bottom, or t
he bottom only will ensure adequate
retur
n
air openings
for airflo
w
requirements ab
o
ve 1800 CFM at 0.5
“
W
.C
. E
S
P
.
9
7
⁄
16
"
TYP
26
15
⁄
16
"
TYP
CONDENSA
TE
DRAIN L
O
C
A
TION
(UPFL
O
W)
30
1
⁄
2
"
9
⁄
16
"
TYP
CONDENS
A
TE
DRAIN L
O
C
A
TION
(UPF
L
OW
)
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
0
40-12 /
036040
17
-1
/2
(445)
15-7/
8 (403)
16 (406
)
060-12 /
036060
17-1/
2
(445
)
1
5-7/
8 (403)
16 (406)
080-12 /
036080
17-1/
2 (
4
45)
1
5-7/
8 (403
)1
6
(
4
0
6
)
080-16 /
048
080
17-1/
2 (445)
15-7/
8 (
403)
1
6 (
4
06)
100-20 /
0601
00
21 (25.
4)
19-3
/8
(492)
19-1/
2 (495)
120-20 /
060120
24-
1/
2
(622)
22-7/
8 (581)
2
3 (584)
A08321
Fig. 2 -- Dimensional Drawing