Rainwater
harvesting
system
installation;
outdoors
QUICK
START
8.
Pump
float
switch
:
if
the
pump
is
fitted
with
a
float
switch,
connect
the
cable
with
a
nylon
tie
wrap
to
the
pump
output
pipe
such
that
the
float
is
free
to
fall
to
just
above
the
floor
of
the
tank
when
rainwater
runs
out.
If
your
system
has
a
second
float
switch
for
the
mains
backup,
its
float
switch
must
be
adjusted
so
that
it
is
higher
than
the
pump’s
float
switch
(both
in
down
(empty)
position).
9.
Piping
:
Most
water
company
now
require
rainwater
pipe
to
be
black
with
green
stripes
to
denote
non
‐
potable
water.
Ensure
all
pipes
exposed
to
the
cold
are
frost
protected.
10.
Filter:
Ensure
4inch
downpipe
is
correct
length
to
bring
leaf
filter
to
correct
level
for
the
input
and
output
4inch
pipes.
Fit
calmed
inlet
to
base
of
downpipe.
Ensure
4inch
input
and
output
supporting
the
leaf
filter
in
the
turret
of
the
tank
are
far
enough
apart
to
permit
removal
of
the
filter
for
maintenance
(and
to
permit
removal
of
the
pump).
11.
Electrical
:
Connect
cable
from
wall
socket
in
building
to
an
IP66
rated
junction
box
(or
similar
waterproof
box)
fitted
to
the
wall
of
the
turret
of
the
underground
tank,
then
con
‐
nect
the
cable
of
the
pump
to
the
junction
box.
Junction
box
From
roofs
Leaf filter
To
drain
Black
&
green
pipe
Pressure
sensitive
HydroForce
pump
with
run
dry
protection
© 2011 Rainwater Harvesting Ltd - All rights reserved.
Carat with Optimax and Rain Director or Mains Backup
RWH 042
Rain Director
®
and Mains Backup in a Box
®
are registered Trade Marks and may not be used without permission.
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