Manual 2100-538A
Page
8 of 23
FIGURE 3A
W3RV1, W3LV1
MOUNTING INSTRUCTIONS
D
12"
12"
12"
12"
12"
C
C
A
28"
1"
3"
4"
Ty
p.
4
1
2
"
B
E
14"
1"
3
1
8
"
4"
Ty
p.
5"
4
1
2
"
7
8
"
RE
T
URN A
IR
SU
PPLIED
R
eturn Openi
ng
16 7/8
4 9/16
4 1/2
10
30
17 5/8
3 13/16
5 1/4
8 1/2
28 1/2
E
D
C
B
A
CO
M
B
US
T
IB
LE
M
A
T
E
RIA
LS
RE
CO
M
M
E
NDE
D 1
" CL
E
A
R
A
NCE
F
R
O
M
RE
QUIRE
D
DIM
E
NS
IONS
T
O
M
A
INT
A
IN
T
HE
S
IDE
M
O
UNT
ING
F
LA
NG
E
S
A
ND UNDE
R
1/4"
C
LEAR
AN
C
E
O
N
ALL
R
A
IN
F
LASH
IN
G
CO
M
B
US
T
IB
LE
M
A
T
E
RIA
LS
DUCT
T
O
P F
LASH
IN
G
AT
T
IME O
F
IN
ST
ALLAT
IO
N
.
1
/4
" M
IN. CL
E
A
R
A
NCE
F
R
O
M
RE
QUIRE
D
DIM
E
NS
IONS
T
O
M
A
INT
A
IN
O
PEN
IN
G
E
N
TI
R
E
L
E
N
G
TH
O
F TO
P
.
MA
T
E
R
IA
LS
NOTES:
O
F
CA
UL
K
ING
A
LO
NG
PAN
EL
F
O
AM
AIR
SEAL
F
O
U
R
SID
ES O
F
SU
PPLY
A
IR DUCT
IS
RE
Q
UI
RE
D
F
RO
M
CO
M
B
US
T
A
B
LE
W
A
LL
S
T
RUCT
URE
TO
P
MIS-
311 C
W
al
l Openi
ng and Hol
e Location Vi
ew
Ri
ght Si
de Vi
ew
WALL
H
EAT
ER
AC
C
ESS
SEAL WIT
H
BEAD
IT
IS R
E
C
O
M
M
E
N
D
E
D
T
H
AT
A BEAD
O
F
SILIC
O
N
E C
A
U
LKIN
G
BE PLAC
ED
BEH
IN
D
SU
PPLY AIR
S
uppl
y Openi
ng
W
*R UNI
T
S
HO
W
N,
W
*L
UNI
T
CO
NT
RO
LS
A
ND HE
A
T
E
R A
CCE
S
S
IS
O
N
O
P
P
O
S
ITE
(L
E
FT) S
ID
E
.