6
17
5
⁄
16
"
24
1
⁄
2
"
27
9
⁄
16
"
TYP
27
5
⁄
8
"
29
1
1
⁄
16
"
TYP
30
13
⁄
16
"
32
5
⁄
8
"
TYP
33
1
⁄
4
"
TYP
CONDENSATE
DRAIN TRAP
LOCATION
(ALTERNATE
UPFLOW)
7
⁄
8
-IN. DIA
A
CCESSORY
PO
WER EN
TRY
7
⁄
8
-IN.
DIA
POWER CONN
CONDENSATE DRAIN
TRAP LOCATION
(DOWNFLOW &
HORIZON
TAL L EF T)
26
15
⁄
16
"
24
1
⁄
2
"
22
5
⁄
16
"
2
-IN. COMBUSTION-
AIR CONN
1
⁄
2
-IN. DIA
GAS CONN
2
-IN. VENT CONN
1
⁄
2
-IN. DI
A
THERMOSTAT
ENTRY
22
1
1
⁄
16
"
SIDE INLET
23
1
⁄
4
" TYP
SIDE INLET
1
1
⁄
4
"
1"
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
1
1
⁄
16
"
7
⁄
16
"
24
3
⁄
16
"
B
OTTOM INLET
18
1
⁄
4
"
22
1
1
⁄
16
"
CONDENSATE DRAIN
TRAP LOC
A
TION
(DOWNFLO
W &
HORIZONTAL RIGHT)
OR ALTER NATE
1
⁄
2
-IN. DIA GAS CONN
2-IN. COMBUSTION-
AIR CONN
1
⁄
2
-IN. DIA
GAS CONN
7
⁄
8
-IN. DI
A
P
O
WER CONN
1
⁄
2
-IN. DI
A
THERMOS
TAT ENTRY
2-IN. VENT CONN
DIMPLE LOC
ATO RS
FOR HORIZONTAL
HANGING
14
1
⁄
2
"
TYP
SIDE INLET
NOTES: 1.
Minimum return-air openings at furnace, based on metal duct
. If flex duct is used,
see flex duct ma
n
u
f
acturer
Õ
s recommendations f
or equivalent diameters.
2. Minim
um retu
rn-air opening at furnace:
a. For 800 CFM 16-in . (406mm)
round or 14
1
/
2
(368mm) x 12-in. (305mm) rectangl
e.
b. For 1200 CFM 20-in . (508mm)
round or 14
1
/
2
(368mm) x 19
1
/
2
-in. (495mm) rectangle
.
c. For 1600 CFM 22-in
.(559mm)
round or 14
1
/
2
(368mm) x 23
1
/
4
-in.(591mm) rectangle.
d.
For airflow requirements ab
o
ve 1800 CFM, see Air Delivery table in Product Data
lite
rature
f
or 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
f
or airflow requirements above 1800 CFM at 0.5“ W.C. ESP.
9
7
⁄
16
"
TYP
26
15
⁄
16
"
TYP
CONDENS
A
TE
DRAIN LOC
A
TION
(UPF
LOW)
30
1
⁄
2
"
9
⁄
16
"
TYP
CONDENSATE
DRAIN LOC
A
TION
(UPFLOW)
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)
(464mm)
(775mm)
(565mm)
(614mm)
(25mm)
(11mm)
(17mm)
(1013mm)
(8mm)
(16mm)
(21mm)
(14mm)
(483mm)
(567mm)
(667mm)
(694mm)
(724mm)
DIMENSIONS --- 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)
1
5 --- 7 /8 (4 0 3 )
16 (406)
080-16
17---1/2 (445)
15---7/8 (403)
1
6(406)
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
/
16
"
11
/
16
"
D
13
/
16
"
13
/
16
"
OUTLET
A
AIRFLOW
A09560
Fig. 3 -- Dimensional Drawing
58MEC
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