Manual 2100-703H
Page
10 of 42
12"
12"
12"
12"
12"
20"
20"
8"
20
1 2
"
12"
9"
2"
2"
7
1 16
"
7
1 16
"
5"
1"
3"
4" Typ.
3
1 8
"
4" Typ.
7 8
"
"
3
1 2
RET
UR
N AIR
DUCT
CON
TROLS AN
D H
EAT
ER
AC
CESS
Wall
Opening and H
ole Location View
Right
Side V
iew
TOP F
LASHIN
G AT T
IME OF
IN
STALL
ATION
.
OPENIN
G
MIS-3157 A
ENT
IR
E LEN
GTH
OF T
OP.
TO
P
NO
TES:
OF
CA
UL
KIN
G ALON
G
PANEL
FOAM AIR SEAL
WA
LL S
TRUCTURE
W
AL
L
HEAT
ER AC
CESS
RAIN F
LASHIN
G
SILIC
ONE CAU
LKING BE PLACED
BEHIN
D
IS ON
OPPO
SIT
E (L
EFT
) SID
E.
THE SI
DE M
OUN
TIN
G FL
ANGES AN
D
UND
ER
SE
AL
W
IT
H B
EA
D
IT
IS
REC
OMMEND
ED T
HAT
A BEAD OF
J**A
UN
IT
SHOWN, J**L UN
IT
SUPPLY AIR
SUPPLI
ED
Re
tu
rn
Op
en
ing
Supp
ly Op
en
ing
FIGURE 3A W18H, W24H
Mounting Instructions
