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MICOM function and circuit description
5-1-5. Temperature control method
1. The compressor runs or stops and the 3-way valve opens or closes depending on the temperature sensed in the left and
right compartment.
2. If the temperature in either compartment is unsatisfactory, the compressor is turned on and the 3-way value is opened to
the affected compartment.
3. If the temperature in both compartments is unsatisfactory, the compressor is turned on and runs until both compartments
become satisfactory. The 3-way valve is opened and closed to each compartment alternatively until the temperature is
satisfactory.
4. During the seasoning cycle, if the temperature is low, the heater is turned on and if the temperature is high, the
compressor is turned on and the 3-way value is opened.
Left compartment temperature
Satisfactory
Satisfactory
Unsatisfactory
Unsatisfactory
Note1) When the temperature is satisfactory in both compartments, the 3-way valve is open to whichever compartment that
has had a satisfactory temperature most recently.
Summary chart of COMP and 3-Way valve operation
Left
compartment
sensor
Right
compartment
sensor
Left
compartment
3-way valve
Right
compartment
3-way valve
COMP
5-1-6. Buzzer sound
When you press a button on the front display, you will hear a varying buzzer sound depending on the type and function.
(Refer to Buzzer operating circuit in p21).
5-1-7 Power failure compensation function
1. When the power is restored after an outage, the refrigerator performs the setting originally programmed except for Error
status and Test mode.
2. If the power fails during the seasoning process, there is not power outage compensation function and the storage defaults
to previously set Kimchi type and temperature of "Mid". (to protect excessive seasoning)
Right compartment temperature
Satisfactory
Unsatisfactory
Satisfactory
Unsatisfactory
- 12 -
3-Way valve position
Note 1) g
Right compartment
Left compartment
Left 20 min/Right 20 min
COMP
OFF
ON
ON
ON
Temperature
unsatisfactory
Temperature
satisfactory
OPEN
CLOSE
OPEN
CLOSE
ON
OFF
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