Bryant 345MAV - Manual (Page 3)

Fig.
2—Dimensional
Drawing
DIMENSIONS
(IN.)
UNIT
SIZE
A
D
E
024040
17-1/2
15-7/8
16
036040
17-1/2
15-7/8
16
024060
17-1/2
15-7/8
16
036060
17-1/2
15-7/8
16
048060
17-1/2
15-7/8
16
036080
17-1/2
15-7/8
16
048080
17-1/2
15-7/8
16
060080
21
19-3/8
19-1/2
048100
21
19-3/8
19-1/2
060100
21
19-3/8
19-1/2
060120
24-1/2
22-7/8
23
A02147
NO
TES:
1.
Minim
um retur
n-air openings at fur
nace
, based on metal duct.
If fle
x duct is used,
see fle
x duct man
uf
acturer’
s recommendations f
or equiv
alent diameters
.
2.
Minim
um retur
n-air opening at fur
nace:
a.
F
or 800 CFM–16-in.
round or 14
1
/ 2
x 12-in.
rectangle
.
b
.
F
or 1200 CFM–20-in.
round or 14
1
/ 2
x 19
1
/ 2
-in.
rectangle
.
c.
F
or 1600 CFM–22-in.
round or 14
1
/ 2
x 23
1
/ 4
-in.
rectangle
.
d.
F
or airflo
w requirements abo
ve
1800 CFM, see Air Deliv
er
y tab
le in Product Data
liter
ature 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 retur
n air openings f
or airflo
w requirements abo
ve
1800 CFM at 0.5”
W
.C
. ESP
.
17
5
⁄ 16
" 24
1
⁄
2
" 27
9
⁄ 16
"
TYP
27
5
⁄ 8
" 29
11
⁄ 16
"
TYP
30
13
⁄ 16
" 32
5
⁄ 8
"
TYP
33
1
⁄
4
"
TYP
CONDENSA
TE
DRAIN TRAP LOCA
TION
(AL
TERNA
TE
UPFLO
W)
7
⁄ 8
-IN.
DIA
A
CCESSOR
Y
PO
WER ENTR
Y
7
⁄ 8
-IN.
DIA
PO
WER CONN
CONDENSA
TE DRAIN
TRAP LOCA
TION
(DO
WNFLO
W &
HORIZONT
AL LEFT)
26
15
⁄ 16
"
24
1
⁄ 2
"
22
5
⁄ 16
"
2-IN.
COMB
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN
2-IN.
VENT
CONN
1
⁄ 2
-IN.
DIA
THERMOST
A
T
ENTR
Y
22
11
⁄ 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
11
⁄ 16
"
7
⁄
16
"
24
3
⁄ 16
"
BO
TT
OM INLET
18
1
⁄
4
"
22
11
⁄ 16
"
2-IN.
COMB
USTION-
AIR CONN
1
⁄
2
-IN.
DIA
GAS CONN 7
⁄
8
-IN.
DIA
PO
WER CONN
1
⁄ 2
-IN.
DIA
THERMOST
A
T
ENTR
Y
2-IN.
VENT
CONN
DIMPLE LOCA
T
ORS
FOR HORIZONT
AL
HANGING
14
1
⁄
2
"
TYP
SIDE INLET
9
7
⁄
16
"
TYP
26
15
⁄
16
"
TYP
CONDENSA
TE
DRAIN LOCA
TION
(UPFLO
W)
30
1
⁄ 2
"
9
⁄
16
"
TYP
CONDENSA
TE
DRAIN LOCA
TION
(UPFLO
W)
E
INLET
11
/ 16
"
11
/ 16
"
D
13
/ 16
"
13
/ 16
"
OUTLET
A
AIRFLO
W
26
1
⁄ 4
"
26
1
⁄
4
"
CONDENSA
TE DRAIN
TRAP LOCA
TION
(DO
WNFLO
W &
HORIZONT
AL RIGHT)
OR AL
TERNA
TE
1
⁄ 2
-IN.
DIA GAS CONN
—3—