37
A. Installation without a recirculation system (Using external system controller)
•
In
su
la
te
or
ap
pl
y
he
at
in
g
m
at
er
ia
ls
to
bo
th
th
e
co
ld
w
at
er
su
pp
ly
pi
pi
ng
an
d
th
e
ho
t
w
at
er
su
pp
ly
pi
pi
ng
to
prevent freezing during cold weather and to prevent heat loss through the piping.
Unit
1
Unit
2
Unit
3
Unit 10
Unit 11
Unit 12
System Controller Uni
t
Remote Controller
(1 1/2” - 5”
)
Cold water supply pipe
(1 1/2” - 5”
)
......
Hot water
supply pipe
(Standard System)
