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| JOETAP
®
BARISTA INSTALLATION, USE & MAINTENANCE GUIDE 855-4JOETAP
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(866) 327-4159
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MICROMATIC.COM
PROCEDURE (CONTINUED)
• Test the flow rate adjustment and continue adjusting/testing until the desired water flow
rate and still faucet brix reading are achieved.
• Reinstall the black plastic cap that covered the still water flow rate adjustment.
ADJUSTING PRESSURE SWITCH
NOTE:
Always check for debris in nose cone of pulsing faucet before determining pressure
switch needs adjusted.
• If the flow is pulsing with the faucet wide open, the pressure switch corresponding to that
faucet may need adjusted.
– Remove the lid, nitrogen generator chassis & insulation board to access pressure
switch in question.
• Using a .05" Hex Key, turn the adjustment screw clockwise.
• If pumps can be heard running after a faucet is closed and fresh pours begin with an
inconsistent flashing of water and then finished product, the pressure switch for that
faucet likely needs adjusted.
– Remove the lid, nitrogen generator chassis, & insulation board to access pressure
switch in question.
• Using a .05" Hex Key, turn the adjustment screw counterclockwise.
• Continue making adjustments and testing until both faucets are consistently pouring
to specification.
NOTE:
Pressure switch adjustments more common with less concentrated Bag-in-Box
products and higher N2 infusion settings.
MEASURING BRIX USING A DIGITAL HANDHELD REFRACTOMETER
• Ensure the refractometer is calibrated and the prism is clean.
– Fill the sample stage with distilled water and press the zero button.
• Pour a full serving.
NOTE:
If poured from the nitro faucet, allow it to finish cascading. N2 in the sample can
affect accuracy of brix reading.
• Using a pipette or straw, take a sample from the full serving and drip it onto the sample
stage until the product completely covers all of the metal.
•
Allow the sample stage to conform to the temperature of the prism to achieve
accurate measurements.
NOTE:
This can take up to 90 seconds. Taking a measurement before allowing temperature
equalization can result in inaccurate measurements.
