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Facts To Consider About The Location; Water Piping - Kenmore 153.331020 Owner's Manual

Thermal expansion tank for potable water use only
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FACTS TO CONSIDER ABOUT THE LOCATION
1. The location
selected
should
be indoors in an area not subject to
freezing.
2.
The items which
should
be installed
in the cold water
line, in
sequence
from the water heater, are (1) the EXPANSION
TANK
(2) a PRESSURE
GAUGE and (3)a PRESSURE
REDUCING VALVE,
if required.
See Figure
1.
WATER
HEATER
COLD
WATER
iNLET
FITTING
HOT
COLD
12)
PRESSURE
GUAGE
3.
(1)
EXPANSION
TANK
4.
The expansion tank is designed to be supported by the system piping
in the vertical position. If, however, the expansion tank must be installed
horizontally,
as shown in Figure 2, it must be supported
by adequate
strapping (not supplied).
The expansion tank, pipes, and your connections may, in time, leak. Put
the expansion
tank in a place where a water leak will not damage
anything.
The expansion
tank should
be located in an area where
water leakage from the tank or connections
will not result in damage
to the area around the expansion
tank or to the lower floors of the
structure.
WATER
HEATER
(I)
COLD WATER
INLET
EXPANSION
FITTING
TANK
FLOOR, CEILING,
JOINT, ETC.
13)
I
PRESSURE
HOT
COLD
STRAPPING
13)
REDUCING
PRESSURE
VALVE WiTH
REDUCING
BY-PASS
VALVE WITH
BY-PASS
1
1
iNLET
COLD WATER
12}
iNLET
SHUT=OFF
PRESSURE
COLD WATER
GUAGE
SHUT-OFF
RECOMMENDED
INSTALLATION
-VERTICAL
MOUNTING
RECOMMENDED
INSTALLATION - HORIZONTAL MOUNTING
FIGURE 1.
FIGURE
2.
WATER PiPiNG
This expansion
tank is designed
for operation
on the inlet cold
water
line and
is limited
to a maximum
working
pressure
of
150 pounds
per square
inch (psi).
Figures 1 and 2 above show the correct valves and fittings that you will
need to install your expansion
tank. A threaded (3/4")water
connection
is supplied on the tank bottom.
FOLLOW
THE INSTALLATION
INSTRUCTIONS
FOUND
iN THE
PACKAGING
OF THE PRESSURE REDUCING VALVE AND PRESSURE
GAUGE.
1. The water supply and power (electricity
or gas) must be shut off
during the installation of the valves and expansion tank.
Follow the
instructions found on the water heater and in the owner's manual.
2. Install expansion tank, pressure gauge, and pressure reducing valve,
if required,
as shown above in Figures
1 and 2.
3. After installing
the expansion
tank, pressure gauge, and pressure
reducing
valve, it will be necessary
to expel all air from the piping.
Turn the cold water inlet shut-off valve "ON." To purge the air, open a
faucet and wait until a steady stream of water is coming from the
faucet. At this time, close the faucet.
ADJUSTING WATER PRESSURE
1. Recommended
inlet water pressure
is 60 psi or less.
2. Refer to the pressure
gauge.
Using the adjusting
screw
on the
pressure
reducing
valve,
increase
or decrease
the pressure
as
indicated
on the valve.
3.
Open a nearby faucet allowing
water to run briefly and then close
the faucet. Check pressure gauge again and make additional screw
adjustments
as necessary.
It may be necessary
to repeat
this
procedure
several
times before the pressure
can be adjusted
to
60 psi or less.
CHECKING EXPANSION TANK AiR CHARGE
1. Shut off main cold water supply valve.
2. Open a nearby
faucet allowing
water to run until it stops.
This
indicates the pressure has been relieved.
3.
Using a tire gauge, check the expansion
tank's pre-charge pressure
(38 psi). The expansion
tank air charge
must
be adjusted
to
match
the incoming
water
pressure.
If the air charge pressure
needs to be adjusted
upward, use only a manual type tire pump to
increase the pressure.
If the air charge needs to be reduced, depress
the valve core to release pressure.
4. Open the cold water supply valve.
5. Now the water
heater
can be put back into operation.
Follow
instructions
found on the water heater and in the manual.
5

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