Table of Contents
Advertisement
INSTALLATION
1-1/4"
1-1/2"
2"
Up to 25 Ft.
25 to 50 Ft.
50 to 200 Ft.
Discharge
Pipe Sizes
When the pttmp is some distance from the house or point
of water use, the discharge pipe size should be increased to
reduce pressure losses caused by friction.
1"
1-1/4"
1-1/2"
Up to 25 Ft.
25 to 1O0 Ft.
1O0 to 600 Ft.
Tank
Tanks are pre-charged
with 40 PSI air pressure
at the factory.
Your
tank requires
an air charge
of 40 pounds
per square
inch (PSI) for proper
operation;
check
tank pressure
with
tire gauge
to determine
ff air charge
needs
adjustment.
Tank
pre-charge
shonld
be checked
annually;
see instructions
at
right.
In areas where
the temperature
is high for long periods
of
time, the tank pre-charge
pressure
may increase.
This may
reduce
the tank drawdown
(amount
of water
available
per
cycle).
If this occurs,
reduce
the pre-charge
pressure
to two
PSI below
the pump
cut-in
setting
of the pressure
switch
(normally
to 38 PSD.
It is necessary
to flush all air out of the piping
system
and
water
reservoir
portion
of the pre-charged
tank. This is re-
quired
on new installations,
pumps
requiring
repriming
and
pumps
that have been
disassembled
for service.
Do this as
follows:
1. Open
faucets
furthest
from tank and allow pump
to op-
erate.
2. Air in the system
will cause
a sputtering
flow; allow
faucets
to run until you have a steady,
air free stream.
3. Open
and close faucets
repeatedly
until you are sure all
air has been
removed.
4. If stream does not become steady, air may be leaking into
the system; check for leaks in the piping on the suction
side of the pump.
NOTICE: To prevent waterlogging,
check tank air charge
annually.
To Check Tank Air Charge
If drawdown
(amount
of water
available
per
cycle)
de-
creases
significantly,
check
as follows:
1. To check
air charge
in tank, shut off electric
power
to
pump,
open
faucet
near tank, and drain completely.
2. At the air valve in top of tank, check
air pressure
with
standard
tire gauge.
Air pressure
should
be the same as
pump
pressure
switch
cut-in setting
(40 PSI).
3. If the air pressure
is below
40 PSI, add air to the tank.
Use an air compressor
or a portable
air storage
tank.
4. Use soap or liquid detergent
to check
for air leaks around
air valve. Continuous
bubbling
indicates
a leak. If neces-
sary, install
new
core
in air valve.
This is the same as
those used for automobile
tubeless
tires.
1
2
3
1.
Tank nearly
empty
- air expands
Filling area
above
vinyl separator.
2. Water
begins
to enter tank - air is compressed
above
separator
as it fills with water.
3.
Pump-up
cycle completed
- air now compressed
to
4
5
cut off setting
of pressure
switch.
4.
Water
being
drawn
from
tank - compressed
tank air
forces
water
out of separator.
5.
Separator
completely
empty
- new
cycle
ready
to
begin.
Figure 3
Hide quick links:
Advertisement
Table of Contents
