American Standard PFWF071A93ABA, Руководство по установке

Страница: 15 / 68

18-CG03D1-4
15
Cir
culat
or
Pu
m
p
Cir
culat
or
Pu
m
p
3-W
a
y
Mot
o
riz
e
d
V
alv
e
B
o
iler
Back
F
lo
w
P
rev
ent
e
r
Globe
Va
lv
e
Globe
Va
lv
e
Globe
Va
lv
e
P
ressur
e
Reduc
er
P
ressur
e
G
a
uge
Air
Se
p
a
ra
to
r
Expansion
Ta
nk
T
y
pical
S
y
st
em
Piping
Diagr
am
P
rimar
y
S
ec
ondar
y
L
oop
w
ith
3-wa
y
M
ot
oriz
ed
V
alv
e
L
o
w
Temper
atur
e
with
L
o
w
M
ass
H
eat
Emitt
ers
or
High
Temper
atur
e
w
ith
High
or
L
o
w
M
ass
Heat
Emitt
e
rs
Return
W
at
er
Te
mper
atur
e
S
ensor
Supply
W
at
er
Te
mper
atur
e
S
ensor
Heat
Emitt
er
Return
w
at
er
te
mper
atur
e
must
be
abo
v
e
110
O
F
NO
TES:
P
rot
ec
ts
boiler
fr
om
to
o
lo
w
re
turn
wat
e
r
temper
a
tur
e
and
co
ndensation.
L
o
cat
e
the
cir
culat
or
inlet
close
to
the
connec
tion
point
o
f
the
expansion
tank,
but
allo
w
a
t
least
the
equiv
a
lent
of
10
to
12
pipe
diamet
e
rs
betw
een
the
cir
culat
o
r
p
ump
inlet
and
the
expansion
tank
to
re
duc
e
the
possibilit
y
of
pump
noise
and
facilitat
e
air
remo
v
al.
Close
co
upled
Te
es
1 2
1
2
3
3
Return
Supply
Relief
Va
lv
e
Exhaust Ve
n
t