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4. Purge sequence does not stop, and there is no more liquid (air or CO
5. Liquid is purging for a long time
Prevent this by switching between Acid and Caustic wash cycles.
• Using just one may allow growths or accumulation of buildup deposits, while using
Mineral deposits or
growths
Check the following:
• The Proportioner outlet tubing is not attached
Dosing Unit / Proportioner
• There is insufficient water supply pressure
or
Fails To Draw Chemical
• The Proportioner outlet tubing was cut too short for priming
Do the following:
a) Proportioner metering tip clogged with dried chemical
Dosing Unit / Proportioner
b) Inspect the foot valve for dried chemical or dirt clogs
or
Stops Drawing Chemical
c) Remove the buildup of calcium carbonate (lime) inside the proportioner
The chemical supply is resting higher than the bottom of the discharge tube, creating
Dosing Unit / Proportioner
a natural siphon
Continues To Draw
Chemical After Water
Valve Closes
Check the IR Probe. If it's not sensing the difference between liquid and air and
switching off, it has become defective. Replace the Sensor. This may occur right
Air Purge Doesn't Stop
after a detergent rinse, and continue to blow air for a long time.
SQUIRE PLUS 2 OPERATIONS MANUAL
• If air and valves are OK, check the Infrared Sensor
IR is Bad – replace (Note: IR may sometimes sense water but not
o
detergent)
IR is Good:
o
Check the Coupler as described above
• Make sure Air and CO
are on at proper pressure
2
• Check for a hiss of air
Hissing and Probe is off – the IR Probe is bad
o
No Hissing – check the air supply and pressure
o
• Check that air pressure is set at 22-23 psi and you are using a 1" hose
both maintains a balance of cleaning
Connect the tubing and prime the Proportioner
o
Ensure you meet the 15 gpm at 40-60 psi
o
Pinch the outlet tube to create back pressure, which will cause the unit to
o
prime, after which, the foot valve will keep the inlet tube primed
• Remove proportioner tip and inject hot water
• Soak in hot water and clean
• Soak it in a delimiting solution, or vinegar, to restore it to working order
• Lower the supply container or hang up the outlet tube after use
PROCESS & PACKAGING, INC.
)
2
www.iddeas.com
Dosing Unit / Proportioner appears clean, but
there is no suction
• Remove proportioner and soak in hot water to
clear interior passages
P
114
125
AGE
OF
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