12
4. Drain Process
DV opens in 2 seconds while PM energizes to drain the water tank. If F/S is open (no
water in tank), the drain timer starts counting down. When the time is up, DV closes
while PM de-energizes.
After the end of drain process, the original process is resumed.
[f] AUTOMATED CHEMICAL CLEANING CONTROL
The water circuit is cleaned with chemical solution in the water tank, while adjusting the
PM flow rate, to descale and sanitise the circuit.
The automated chemical cleaning control starts when the cleaning button is pressed
and held for 3 seconds.
Before pressing the cleaning button, remove all ice from the storage bin.
<Drain>
1. Drain Process
DV opens in 2 seconds while PM energizes to drain the water tank. If F/S is open (no
water in tank), the drain timer starts counting down. When the time is up, DV closes
while PM de-energizes.
<Chemical Cleaning>
2. Feed Process
When the display shows “cln”, the 15-minute timer starts counting down. Feed the water
F/S
open
1. Drain
PM
energized
DV
energized
PM
de-energized
DV
de-energized
Drain
Timer
F/S
closed
15-min
Timer (*1)
PM
energized
WV
de-energized
WV
energized
PM
de-energized
WV
energized
F/S
open
* See Timing
Chart
PM
de-energized
& restarted
WV
de-energized
DV
energized
F/S
open
*1: When cleaning button is pressed, 15-min timer is cancelled to start fill process.
F/S
closed
3. Fill
2-min
Timer
F/S
open
F/S
check
PM
de-energized
PM
de-energized
& restarted
F/S
closed
PM
energized
PM
de-energized
DV
de-energized
Rinse
counter
check
Rinse Counter < 4
Drain
Timer
Drain
Timer
2-min
Timer
Legend:
PM
–pump motor
DV
–drain valve
WV
–water valve
F/S
open: No water in water tank
F/S
closed: Water in water tank
2. Feed
4. Chemical
Cleaning
5. Drain
6. Rinse
7. Drain
Drain
Chemical Cleaning
Drain
Rinse
