6 31
®
1. When there is demand for water
from your toilet, washing machine or
®
senses
this demand and checks the level of
water in the rainwater tank.
1.5 litres per minute or mains water
will be delivered.
®
switches on the pump.
sufficient to overcome the pressure of
®
and this moves a plunger and allows
restricted.
3. When there is no longer a demand for
®
detects that water
has ceased to move inside the pipes,
switches off the pump and waits for
another water demand.
®
senses a water
demand and detects insufficient water
in the rainwater tank it will
automatically allow the mains water
5. during a
®
will
automatically supply the mains
water as backup.
What are the advantages of
RainBank
®
over conventional
air-gap systems?
®
is totally hands off and
needs no maintenance or adjustment.
®
is easy to install.
®
does not require mains
therefore saves energy.
®
is WaterMark approved
will be approved & your plumbers
insurance should cover installation
faults.
®
will provide mains water
as backup when:
pumps to pressurise all water
and do not function without
them.
Mains water is still in use when
pump is running.
and remove priming plug from front top of
priming plug when water dribbles out of
Mains water is still in use when
pump is running.
preventing plunger mechanism from
Mains water is still in use when
pump is running.
strainer to pipework.
Mains water not passing through
RainBank
®
.
®
®
according to installation & operating
Mains water not passing through
RainBank
®
.
®
®
filters are clean.
Mains water pressure and ow too
low.
®
plumbing are clean.
Pump hums.
Water leaking from connection
between pump and RainBank
®
.
®
Mains water lling up tank.
®
.
Green light ashing.
Red light ashing.
and needs to be filled with water, see page
Pump takes 10 seconds to start.
OTHER SYMPTOMS:
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