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residual disinfectant fluid from causing damage to health.
Descaling of piping system
Preparation:
(d) Descaling solution: 3.8L water (40~60℃) + a spoon of descaling powder (KAY® QSR Descaling)
Step 1- flushing with descaling solution
Charge the empty coffee keg with 3L (d) descaling solution, shake the keg at least 10 times
gently to secure uniform contact of the descaling with the inner wall of keg. Connect the
keg to the system and open the nitrogen valve. Prepare plastic keg or drainable drip box
and put it under the tap to receive the effluent generated during cleaning. Open the tap and
use descaling solution to flush the pipes until clear fluid flow out of the system. About
0.5L descaling solution is drained from each tap. Then close the tap and holding the
descaling solution for 15 min. Empty the pipes of the system to remove any coffee residue,
and until gas flows out of the tap outlet
Step 2 - flushing with drinking water:
Fill the empty coffee keg with drinkable filtered water or purified water (important! ）At
least 3L is needed. Connect the keg to the system, open two taps to remove the residual
disinfectant fluid. About 1.5L drinking water is drained from each tap. The process is
complete when coffee keg is emptied and a large volume of gas emits.
Cleaning the filter screen
Filter screen is used to protect the device and maintain the efficiency of the system, but
the accumulation of dust and oily dirt during use will cause overheating of the system.
In order to avoid overheating, filter screen should be cleaned regularly or as needed by
observing the following steps.
1. Remove the air inlet filter from the device.
2. Use a vacuum cleaner or soft brush to clean the dust on filter screen.
3. Put the filter back on the device.
© 2017, Cornelius Inc.
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