14 OM/SM-EE-CE
b. Make sure that the elbow of the safety valve
outlet is turned so that escaping steam is
directed toward the floor.
c. When the pressure/vacuum gauge reaches
a positive pressure reading of 5 PSIG,
release the trapped air and steam by
pulling up or out on the safety valve lever or
ring for about 1 second. Repeat this step,
then let the pull ring or valve lever snap
back into the closed position.
7.3 Jacket Filling and Water Treatment
The jacket was charged at the factory with the
proper amount of treated water. You may need
to restore this water because it was lost as
steam during venting or by draining.
a. If you are replacing water lost as steam, use
distilled water. If you are replacing treated
water that ran out of the jacket, prepare
more treated water as directed in step 7.4,
“Water Treatment Procedure.” Do not use
tap water.
b. Allow the kettle to cool Remove the pipe
plug from the jacket fill assembly.
c. Open the gate valve and pour in the
distilled or treated water.
d. Hold the safety valve open to allow air to
escape from the jacket while you pour in
the water. Continue to pour until the
water level rises to a point between the
marks on the gauge glass.
e. Any air introduced into the jacket during
filling must be removed to obtain efficient
heating. See “Jacket Vacuum” above.
7.4 Water Treatment Procedure
a. Obtain water treatment compound and a
pH test kit from your Groen distributor.
b. Fill a mixing container with the measured
amount of water required. (See table). Use
distilled water only.
Kettle Model Jacket Capacity
EE-20 3
1
/
4
Gallons
EE-30 4
1
/
2
Gallons
EE-60 7
3
/
4
Gallons
EE-80 10 Gallons
c. Hang a strip of pH test paper on the rim of
the container, with about 1 inch (25mm) of
the strip below the surface of the water.
d. Measure the water treatment compound
(One way to do this is to add the
compound from a measuring cup.)
e. Stir the water continuously, while you
slowly add water treatment compound,
until the water reaches a pH between
10.5 and 11.5. Judge the pH by frequently
comparing the test strip color with the
chart provided in the pH test kit. If you
are color blind read the test strip color
level.
f. Record the exact amounts of water and
treatment compound used. These amounts
may be used again, if the same water
sources and compound are used in the
future. However, it is best to check the
pH each time treated water is prepared.
WARNING
STAY AWAY FROM THE STEAM THAT IS
BLOWING OUT OF THE SAFETY VALVE.
THE STEAM CAN CAUSE A SEVERE BURN.
Safety
Valve
Gate
Valve
Pipe
Plug
Check
Valve
WARNING
TO AVOID INJURY, READ AND FOLLOW ALL
PRECAUTIONS STATED ON THE LABEL OF
THE WATER TREATMENT COMPOUND.
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