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3-1-12. SEQUENTIAL OPERATION OF ELECTRICAL PARTS
Electrical parts such as COMP, defrosting heater at the upper & middle compartment, fan motor at the upper & middle
compartment, single motor damper and FRONT-C heater sequentially operate as followers for preventing noise and
damage of parts occurred by that various parts operate at the same time in input of initial power on and after test closing
(including temporary power failure, either):
Function
POWER
When
defrosting
sensor
temperature at
the upper
compartment is
more than 45°C
(In purchasing,
movement)
POWER
ON
When
defrosting
sensor
temperature at
the upper
compartment is
less than 45°C
(In power
failure, service)
0.5
0.3
SINGLE
sec
sec
COMP
MOTOR
ON
DAMPER
ON
0.5
3-WAY
sec
VALVE
ON
0.5
STEPPING
sec
MOTOR
DAMPER
ON
0.5
DEFROSTING
0.3
DEFROSTING
sec
HEATER
sec
HEATER
AT UPPER
AT MIDDLE
COMPARTMENT
COMPARTMENT
ON
4
FRONT
sec
-C
HEATER
OFF
10
sec
0.5
3-WAY
sec
VALVE
ON
0.5
STEPPING
sec
MOTOR
DAMPER
ON
Operation Sequence
0.3
10
FRONT
sec
sec
-C
ON
HEATER
ON
5~6
3-WAY
sec
VALVE
OFF
3~6
STEPPING
sec
MOTOR
DAMPER
OFF
4
DEFROSTING
0.3
DEFROSTING
sec
HEATER
sec
HEATER
AT UPPER
AT MIDDLE
COMPARTMENT
COMPARTMENT
ON
OFF
4
0.3
SINGLE
COMP
sec
sec
MOTOR
ON
DAMPER
ON
10~30
UPPER
SINGLE
sec
COMPARTMENT
MOTOR
FAN
DAMPER
ON
5~6
3-WAY
sec
VALVE
OFF
3~6
STEPPING
sec
MOTOR
DAMPER
OFF
- 11 -
4~5
SINGLE
F-FAN
sec
MOTOR
ON
DAMPER
OFF
0.3
FRONT
sec
-C
HEATER
ON
OFF
0.3
FRONT
sec
-C
HEATER
ON
OFF
Remarks
No initial
operation is
done if error
occurs
during
operation.
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