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Micom Function
2-13.
Sequential operation of built-in product
Built-in components such as the compressor, defrost removal heater, freezer compartment fan, Cooling Fan and step motor
damper are sequentially operated as follows to prevent noise and part damage from occurring during testing procedure.
Function
Above 45°C
Lower than 45°C
(In service)
TEST MODE1
TEST MODE 2
Load Operation Sequence
POWER
ON
0.3
COMP
sec.
ON
PIPE HTR
ON
0.3
10
Sec
Sec
POWER
Defrost
ON
H/T ON
0.3
5
0.3
Sec
Sec
Sec
PIPE
PIPE
H/T ON
H/T OFF
0.3
OTHER
TEST SW
sec.
LOADS
(PRESS
Once)
OFF
:In case of the defrost sensor
Temperature: +5°C↓
TEST SW
COMP
(PRESS
OFF
2 times)
F-FAN
0.3
0.3
DUCT
sec.
sec.
MOTOR
C-FAN
CLOSE
ON
0.3
5
Sec
Sec
Defrost
H/Bar H/T
H/Bar H/T
H/T OFF
ON
OFF
5
0.3Sec
Sec
Disp'
Disp'
&
&
COMP
F Door
F Door
ON
H/T
H/T
ON
OFF
0.3
0.3
F-FAN
sec.
sec.
COMP
&
ON
C-FAN
ON
0.3
0.3
sec.
sec.
F-FAN
DEF
&
HEATER
C-FAN
ON
OFF
If error occurs
during
0.3
operation,
STEPPING
&
sec.
initial
MOTOR
ON
operation is
not done.
•
It si a load
movement
sequence in
case of the F/R
room closed.
60Sec
0.3Sec
F-FAN
DAMPER
C-FAN
OPEN
ON
If pressing SW
once more in the
test mode 2 or
STEPPING
temperature of
MOTOR
defrost sensor
OPEN
is more than 5°C
it returns to the
test mode for
initial operation
(comp operates
0.3
after 3 minutes).
sec.
STEPPING
MOTOR
CLOSE
Remark
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