32
Example of fireplace heating system-boiler connection
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M
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T
IC
C
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LD
W
A
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R
I
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LE
T
B
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LI
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D
IS
C
H
A
R
G
E
RE
TU
RN
M
A
N
IF
O
LD
FLO
W
MA
NIF
OLD
S
DO
ME
ST
IC
H
OT
WA
TE
R O
UT
LE
T
GA
S
B
OI
LER
K
ey
:
S
Y
S
T
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M
F
LO
W
S
Y
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M
R
E
T
U
R
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D
O
M
E
S
T
IC
C
O
LD
W
A
T
ER
D
O
M
E
S
T
IC
H
O
T
W
A
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R
Z
O
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VA
L
VE
M
O
T
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R
IS
E
D
T
H
R
E
E
-W
A
Y
VA
L
VE
N
O
N
-R
E
T
U
R
N
V
A
L
VE
BA
L
L
VA
LVE
C
IR
C
U
LA
T
IO
N
PU
M
P
ZO
NE
1
ZO
NE
2
ZO
NE
3
FI
R
E
PL
AC
E
LO
A
D
V
IA
FL
O
A
T
FI
R
E
PL
AC
E
DR
A
IN
C
O
N
TR
O
L
U
N
IT
S
.R
.L
.
S
.R
.L
.
V
EN
T
V
A
LV
E
T
HE
FO
LL
O
W
ING
M
US
T
B
E
I
NS
T
A
LL
E
D O
N
TH
E
H
Y
DR
A
ULIC
HE
A
T
ING
P
L
A
NT
: L
O
A
D
ING
UNIT
,
CLO
S
E
D
E
X
P
A
N
S
IO
N
V
E
S
S
E
L
S
UIT
A
B
L
E
F
O
R T
HE
P
LA
NT
A
N
D R
E
LE
V
A
NT
S
A
F
E
T
Y
V
A
L
V
E
S
. THE D
HW
S
Y
S
T
E
M
MUS
T
HA
V
E
A
S
A
F
E
T
Y
V
A
LV
E
CA
LI
B
R
A
T
E
D
A
T
6 B
A
R.
(If i
t
is
de
e
me
d a
p
propr
iate
, th
e
ab
ov
e
-m
en
ti
on
ed
c
o
m
po
ne
nts
pres
e
nt
in t
h
e wa
ll-
hu
ng
bo
iler c
an
b
e m
ad
e
u
s
e o
f)
.
T
h
is
lay
o
u
t i
s pu
rel
y i
n
d
ic
ative a
n
d
do
es
no
t bin
d
o
r mak
e KLO
V
E
R
s.r
.l. a
n
d
its collabo
rato
rs l
iabl
e.
T
h
e plan and
con
se
q
u
en
t s
et
-u
p
mu
st
be
r
e
ali
s
ed in
com
p
li
ance
w
it
h
t
h
e S
tand
ar
d
s i
n
f
o
rce
.
