Optima Company Optima 45 - 3 - Manual (Page 11)

Optima 45 - 3
11
ALLOWABLE TERMINATION LOCATIONS
Cana
dian In
stallations (
1)
U
S
Inst
allations (2)
C
anadian Installations (
1)
US Installations (2)
A= Clearance abov
e gr
ade,
v
erand
a, porch, deck, or
balcony
12 inche
s (
30 cm
)
12 inches (
30 cm
)
J= Clearance to no
n-m
ech
anica
l air
supply
in
let to b
uilding
or the
com
b
ustion air inlet o an
y
ot
her
a
ppliance
12 inches (30 cm
)
9 inche
s (
23 cm
)
B= Clearance to w
ind
o
w
or
door
that m
a
y be o
pe
ned
12 inche
s (
30 cm
)
12 inches (
30 cm
)
K= Clear
ance to
a m
echa
nical
air sup
ply
inlet
6 f
eet (1.83 m
)
3 f
eet (91
cm
) abov
e i
f
w
ithin 10 f
eet (3 m
) hori-
zonta
lly
C= Clear
ance
to perm
anen
tly
closed w
indo
w
*
*
L= Clear
ance abov
e p
av
ed
sidew
alk or pa
ved dr
iv
ew
ay
located on pu
blic proper
ty
7 f
eet (
2.13 m
) +
*
D= Ver
tical clear
ance to
v
entilated
so
ff
it locat
ed
abov
e the ter
m
inal w
ithin
a
hor
izontal dista
nce of
2
feet
(
61 cm
) f
rom
the center
line
of
the t
erm
inal
*
*
M
=
C
lear
ance under
v
er
anda,
porch, deck,
or balcony
12 inches (
30 cm
) ++
*
E= Clearance to unv
entila
ted sof
fit
*
*
F
=
C
lear
ance to outside
cor
ner
*
*
G= Cle
arance to inside cor
ner
*
*
H= Clear
ance
to each side of
center
line ex
tended
abo
ve
m
eter/r
egula
tor asse
m
bl
y
3 f
eet (
91 cm
) w
ithin a
height 15 f
ee
t (4.5 m
)
abov
e the
m
eter/
regulator a
sse
m
bl
y
*
L= Cleara
nce to
ser
vice
r
egulator v
ent outlet
3
f
e
et (91 cm
)
*
(1)
In accordance w
ith the cur
re
nt
CSA B149.1,
N
a
tional Gas and
Propa
ne Installation
Code
(2)
In accordance w
ith the cur
re
nt
ANSI Z
223.1/NF
PA 54,
Nationa
l Fuel Gas C
ode
(+)
A v
ent shall
not term
inate d
ire
ctly
abov
e a side w
alk or
pav
ed
driv
ew
ay
that is located
betw
een t
w
o
single f
am
ily
dw
ellings and ser
ves both d
w
ell
ing
s
(++) Per
m
itted onl
y if
v
eranda,
porch, deck,
or balcony
is f
ully
open on a m
ini
m
u
m
of
tw
o
sides be
neath the f
loor.
(*)
For
clear
ances not
specif
ie
d
in ANSI Z
223
.1/N
FPA 54 or CSA B149.1, “C
lea
rances shall
be in accordance w
ith loc
a
l installation co
des an
d the requ
ire
m
ents of
the gas su
pplier.”