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
CONDENSA
T
E
DRAIN TRAP
L
O
C
A
TION
(AL
TERNA
TE
UPFLO
W
)
7
⁄
8
-IN.
DIA
A
CCES
S
O
R
Y
PO
WER EN
TR
Y
7
⁄
8
-IN.
DIA
PO
WER CONN
CONDENSA
T
E DRAIN
TRAP
L
O
C
A
TION
(DO
WNFLO
W &
HORIZON
TA
L
L
E
F
T
)
2
6
15
⁄
1
6
"
24
1
⁄
2
"
22
5
⁄
1
6
"
2
-IN.
COMB
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN
2
-IN.
VENT
CONN
1
⁄
2
-IN.
DI
A
THERMOST
A
T
ENTR
Y
22
1
1
⁄
1
6
"
SIDE INLET
23
1
⁄
4
"
TYP
SIDE INLET
1
1
⁄
4
"
1
"
OUTLET
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
"
B
O
T
T
O
M INLET
18
1
⁄
4
"
22
1
1
⁄
1
6
"
CONDENSA
T
E DRAIN
TRAP
L
O
C
A
TION
(DO
W
NFLO
W &
HORIZONT
A
L
RIGHT)
OR A
LT
E
R
N
A
TE
1
⁄
2
-IN.
DIA
GAS CONN
2-IN.
COMB
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN
7
⁄
8
-IN
. D
IA
P
O
WER CONN
1
⁄
2
-IN.
DI
A
THERMOS
T
A
T
ENT
R
Y
2-IN.
VENT
CONN
DIMPLE L
O
C
AT
O
R
S
FOR HORIZONT
AL
HANGING
14
1
⁄
2
"
TYP
SIDE INLET
NO
TES:
1.
Minim
u
m retu
rn
-air openings at fur
nace
, based on metal duct
. If fle
x
duct is used,
see fle
x
duct ma
n
u
facturer
Õs recommendations f
or equiv
alent diameters
.
2.
Minim
um retu
rn
-air opening at fur
nace:
a.
F
o
r 8
00
CFM 1
6
-in
. (4
06
mm)
round or 14
1
/
2
(3
6
8mm)
x 12-in. (3
0
5mm)
rectangl
e.
b.
F
o
r 1
2
00
CFM 2
0
-in
. (5
0
8mm)
round or 14
1
/
2
(3
6
8mm)
x 19
1
/
2
-in. (495mm)
rectangle
.
c.
F
o
r 1
600
CFM 22-in
.(559mm)
round or 14
1
/
2
(3
6
8mm)
x 23
1
/
4
-in.(591mm)
rectangle
.
d.
F
o
r airflo
w requirements ab
o
ve
1
8
00
CFM, see
Air Deli
ve
ry
tab
le in Product Data
lite
ra
ture
for specific use of single side inlets
. The use of both side inlets
, a
combination of 1 side and the bottom, or the bottom only will ensure adequate
retu
rn
air openings
for airflo
w requirements abo
ve
1
8
00
CFM at
0
.5
“
W.
C
. E
S
P.
9
7
⁄
1
6
"
TYP
2
6
15
⁄
1
6
"
TYP
CONDENS
A
TE
DRAIN L
O
C
A
TION
(UPF
LO
W)
3
0
1
⁄
2
"
9
⁄
1
6
"
TYP
CONDENSA
T
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
IMENSIONS
---
IN.
(MM)
UNIT
SIZE
A
D
E
060-12
17
---
1/2
(445)
15
---
7/8
(403)
16
(406)
080-12
17
---
1/2
(445)
15
---
7/
8
(4
03
)
16
(406)
080-16
17
---
1/2
(445)
15
---
7/8
(403)
16(
40
6)
100-20
21
(533)
19
---
3/8
(492)
19
---
1/2
(495)
120-20
24
---
1/2
(622)
22
---
7/8
(581)
23
(584)
E
INLE
T
11
/
1
6
"
11
/
1
6
"
D
13
/
1
6
"
13
/
1
6
"
OUTLET
A
AIRFLO
W
A09560
Fig. 3 -- Dimensional Drawing
58MEC