Manual 2100-654C
Page
9 of 34
28
"
A
C
D
C
12
"
12
"
12
"
12
"
12
"
B
E
14
"
4
11 16
"
4
11 16
"
4" Ty
p.
2
7 8
"
7 8
"
7 8
"
4" Ty
p.
3
1 8
"
9
1 16
"
4
7 8
"
NO
TES:
DUCT
HEA
TE
R
ACC
ESS
1/4
"C
LEA
RA
NC
E
ON
ALL
EN
TI
RE
L
EN
GT
H
OF
TO
P.
TOP
OF
CA
UL
KI
NG
AL
ONG
PA
NEL
FO
AM
AI
R
SEAL
WA
LL
ST
RUC
TURE
TO
P
FL
AS
HI
NG
AT
TI
M
E
OF
IN
ST
ALL
AT
IO
N.
FO
UR
SI
DES
OF
SU
PP
LY
RA
IN
FL
AS
HI
NG
FR
OM
CO
M
BU
ST
AB
LE
M
AT
ER
IA
LS
SU
PP
LY
AIR
SU
PP
LI
ED
SILI
CO
NE
CA
UL
KI
NG
BE
PL
AC
ED
BE
HI
ND
RE
TURN
AIR
Ri
gh
tS
ide
Vi
ew
M
IS
-3158 A
AI
R
DUC
T I
S
RE
QU
IR
ED
OPE
NI
NG
TH
E
SI
DE
M
OUN
TI
NG
FL
AN
GES
AND
UND
ER
SEA
L
W
IT
H
BEAD
IT
IS
RE
CO
MM
END
ED
TH
AT
A
BEA
D
OF
W
ALL
W
all
Open
ing
and
Ho
le
Loca
tion
Vi
ew
Re
tu
rn
O
pen
ing
16
7/8
4
7/
16
4
5/8
9
7/8
29
7/8
17
5/8
3
11
/1
6
5
3/8
8
3/8
28
3/8
E
D
C
B
A
CO
M
BU
ST
IB
LE
M
AT
ER
IA
LS
RE
CO
MM
END
ED
1"
CL
EA
RA
NC
E
FR
OM
RE
QU
IR
ED
DI
M
EN
SIO
NS
TO
M
AI
NT
AIN
CO
M
BU
ST
IB
LE
M
AT
ER
IA
LS
1/
4"
M
IN
.C
LE
AR
ANC
E
FR
OM
RE
QU
IR
ED
DI
M
EN
SIO
NS
TO
M
AI
NT
AIN
Su
pp
ly O
pen
ing
J*
R
UN
IT
SH
OW
N,
J*
L
UN
IT
CO
NT
RO
LS
AND
HEA
TE
R
ACC
ESS
IS
ON
OPP
OS
IT
E
(L
EFT)
SI
DE.
FIGURE 3B W30H, W36H
Mounting Instructions