Vacon 100 Flow
page
33
7 Pressurised Water Systems
7.1 Pressurised water system wiring plan (PID)
1a
.
on
e
wa
y
valve
(f
un
ction
: k
ee
ps
su
ction
pipe fu
ll
wi
th liqui
d)
1b.
on
e wa
y
valve
(f
un
ction
: k
ee
ps
pre
ssu
re
s
table
o
n t
he
p
re
ssu
re
side)
2.
un
der
p
re
ssu
re
p
rotec
tio
n
3.
pre
ssu
re
g
au
ge
4.
tem
per
ature
p
rotec
tion
5.
wa
ter h
am
m
er absorbe
r
6.
pre
ssu
re
sen
sor
7.
ex
pa
nsion
v
esse
l
