72
Functions of the Cleaning Key
In case the water cannot be drained off via the mixer outlet valve within 2 minutes (the
rod electrode is still covered), the alarm message „Emptying Mixer“ is displayed. If neces-
sary, check whether the suction hose or the mixer outlet valve are blocked. Evacuate the
rinsing water from the mixer jar (refer to above- mentioned safety instruction).
In case detergent has been added to the cleaning water, feeding mode is interrupted until
the fault has been cleared.
In case no detergent has been added to the cleaning water, the fault message on the
screen disappears as soon as a calf drinks up the liquid in the mixer jar.
Make sure that there is a water discharge next to the automatic feeder. If that is not the case,
hang the mixer outlet hose into a bucket.
Empty the bucket regularly. Do not dip the mixer outlet hose into the cleaning water.
After mixer cleaning has been completed, press Automatic key to return to the Automatic--
mode.
Notes on automatic mixer cleaning (time--controlled)
When the rod electrode is covered, the automatic mixer cleaning is deferred for 1 hour at
most so that a calf has the opportunity to drink up the liquid in the mixer jar. In case the calf
does not drink up the liquid within this time, the liquid is drained off via the mixer outlet
valve and prerinsing starts running. As soon as the mixer jar is empty again, the main clea-
ning cycle with detergent starts running.
Mixer cleaning may become unnecessary as during automatic heat exchanger cleaning
the mixer jar is cleaned too.
Automatic mixer cleaning with detergent takes place up to nine times/day -- provided that
the automatic feeder is equipped with a detergent pump that has previously been selected in
Setup. In case automatic heat exchanger cleaning has been activated, 3 hours before and 3
hours after heat exchanger cleaning no mixer cleaning will take place regardless of the
amount of cleaning processes that have already been entered.
12.3.2 Cleaning the Heat Exchanger
The heat exchanger cleaning consists of prerinsing, main rinsing and afterrinsing and has to
be carried out every day. During heat exchanger cleaning, all milk--supplying parts of the
automatic feeder (except for the suction hoses) are thoroughly rinsed to prevent formation
of milk deposit or other dirtying.
Press Cleaning key and confirm with Enter
Press Arrow Down to move to the next screen.
In case the automatic feeder is equipped with a detergent
pump that has previously been selected in Setup, press Enter
to view the following screen:
Before prerinsing starts running, the mixer jar is emptied
(when requested) and the automatic feeder checks whether the
valves are operative and tight.
mixer cleaning
start?
cleaning HE
start?
detergent
10 ml/l?
cleaning HE
check valves
Summary of Contents for 7163-9001-044
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