LG GR-K192AF Service Manual page 13

MICOM function and circuit description
5-1-8. Operation in response to ambient temperature
The storage senses the ambient temperature and adjusts the temperature in the compartments accordingly. This keeps the
storage from being too cold or too warm because of seasonal variations and maintains exact temperatures in the
compartments.
Storage temperature
of the left and right
compartments
Season
5-1-9. Sequential operation of components
Components (compressor, 3-way valve and left/right seasoning heater) are operated in a specific order to prevent damage
and noise caused by simultaneous operation of all parts when the unit is started and after completing the self-test routine.
Operation status
Temperature of
the left of right
sensor is >45°C
Temperature of
the left of right
sensor is <45°C
When returning to
normal status in test
mode
g Operation order may slightly vary depending on temperature setting.
Operation in response to the ambient temperature
Spring
Immediately 3 min
3-way
Power
valve
on
open
Immediately 0.5 sec
Left
Power seasoning seasoning
heater
on
on
3 sec
All
loads
off
3 sec
In general operation
Summer Autumn
Operating order
10 sec
3-way
Compre
valve
ssor on
left
open
5 sec 0.5 sec
Right Left
seasoning seasoning
heater heater heater
on off
3 min 10 sec
3-way
3-way
valve
valve
left open
open
7 min
3 min
3-way 3-way
valve valve
open left open
- 13 -
Winter
Remarks
Right
Compressor
on
off
The 3-way valve is
opened to both
Compressor
compartments for 3
on
minutes; then it is
opened to either
the left or the right
compartment,
depending on the
temperature in the
compartments.