Cleaning of Freezing Unit
Depending on water quality a layer of solids may form a while
in the freezing cylinder or on the auger.
Vibrations or noises in the freezing cylinder, e.g. "rumbling" and production of powdery ice may be a symptom
of such deposits.
As the freezing unit has to be completely clean inside in order to ensure proper freezing and an even upward
conveying of the ice on the auger, this layer has to be removed.
Remove tenacious deposits on the auger with steel wool.
However, these deposits often are of calcareous nature, which can be removed with an antilime
agent, e.g. ZIEGRA cleaning agent:
o
Switch the ice machine off, close the water tap and wait 1-2 hours
until the ice in the freezing unit has totally melted.
o
Detach the water-inlet pipe at the bottom of the freezing unit, drain the water from the water chamber
and the freezing unit into a container.
o
Connect a hose of appr. 80 cm with funnel at the water inlet of the freezing unit.
o
Mix cleaning agent with hot water:
1/3 bottle agent in 3/4 litre water of appr. 50°C
o
Fill the freezing unit with cleaning agent up to the ice discharge level.
o
Allow the cleaner to react for 10 - 15 minutes.
A maximum of 30 minutes must not be exceeded.
The cleaner first removes the lime deposit
and then may slightly effect the metal of the cylinder/auger, if having too long contact.
Do not apply the cleaning agent unnecessarily.
o
Drain cleaning agent and flush freezing unit thoroughly with water.
o
Connect water inlet pipe and switch the machine on.
As the ice may still contain residues of the cleaning agent, we recommend not to use the
ice production of the first minutes of operation,
though the cleaning agent is admissable for food machinery.
When deposits occur frequently, we recommend the installation of a filter system for the water.
We can offer a three stage filter system, please contact us.
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