-19-
FUNCTION
REMARK
2-7
．
Electrical device operation sequence
MICOM FUNCTION
When initial power-on and test is finished, electrical devices such as compressor,
defrosting heater, cooling fan, stepping motor damper operate in the following
sequence to reduce the noise and component damage.
The defroster
sensor tempe-
rature is over
45
℃
(After pur-
Defroster sensor
temperature is
below 45
℃
(After cutting off
the power or
repair)
No initial
start in
case of
function
error
Load start
sequence
when the
freezer
door and
refrigerator
door are
closed
Test mode 1
(Forced start)
Test mode 2
(Check the
freezer fan)
In TEST
MODE 2, if
the S/W is
pressed
again or the
temperature
is higher
than 5
℃
initial driving
starts after
returning
from the
TEST MODE
(7minutes after
the COMP).
chase or moving
in the house)
defroster
sensor
Test
mode
r
e
w
o
p
la
iti
n
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g
n
iy
lp
p
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I
Load Operation Sequence
POWER
ON
F-FAN
&
C-FAN
ON
DAMPER
OPEN
0.6s
60s
Damper
Heater
ON
COMP
ON
0.3s
Valve
Initial
0.5s
Valve
Open
60s
0.3s
POWER
ON
F-FAN
&
C-FAN
ON
DAMPER
OPEN
0.6s
60s
Damper
Heater
ON
COMP
ON
0.3s
Valve
Initial
0.5s
Valve
Open
60s
0.3s
POWER
ON
Defrost
Heater
ON
0.3s
10s
DC
Heater
ON
F-FAN
&
C-FAN
ON
5s
Defrost
Heater
OFF
H-Bar
Heater
ON
0.3s
5s H-Bar
Heater
OFF
5s
DAMPER
OPEN
60s
COMP
ON
Valve
Initial
0.5s
Valve
Close
0.5s
Valve
Open
60s
0.3s
POWER
ON
Defrost
Heater
ON
0.3s
10s
DC
Heater
ON
F-FAN
&
C-FAN
ON
5s
Defrost
Heater
OFF
H-Bar
Heater
ON
0.3s
5s H-Bar
Heater
OFF
5s
DAMPER
OPEN
60s
COMP
ON
Valve
Initial
0.5s
Valve
Close
0.5s
Valve
Open
60s
0.3s
Other
Heater
OFF
C-FAN
ON
DAMPER
OPEN
0.3s
TEST
S/W
(Press
once)
0.6s
COMP
ON
0.3s
F-Fan
ON
30s
Valve
Open
0.5s
Other
Heater
OFF
C-FAN
ON
DAMPER
OPEN
0.3s
TEST
S/W
(Press
once)
0.6s
COMP
ON
0.3s
F-Fan
ON
30s
Valve
Open
0.5s
F-FAN
&
C-FAN
OFF
F-Fan
&
C-Fan
ON
DAMPER
CLOSE
0.3s
0.3s
TEST
S/W
(Press 2
Times)
0.6s
COMP
OFF
0.3s
Valve
Close
0.5s
F-FAN
&
C-FAN
OFF
F-Fan
&
C-Fan
ON
DAMPER
CLOSE
0.3s
0.3s
TEST
S/W
(Press 2
Times)
0.6s
COMP
OFF
0.3s
Valve
Close
0.5s
