LG Electronics GR-P227/L227 Sequential operation of built-in product, Micom Function, Remark

MICOM FUNCTION

2-15. Sequential operation of built-in product

Built-in products such as compressor, frost removal heater, freezing room fan, Cooling Fan and step motor damper are sequentially operated as follows for preventing noise and part damage occurred due to simultaneous operation of a lot of parts in applying initial power and completing test.

Function

Load Operation Sequence

Remark

When temperature

MIRACLE

If error occurs

of a frost removal

F-FAN

R-STEP

HOME

during operation,

sensor becomes

POWER

0.3

COMP

0.3

0.3

0.3

ZONE

0.3

initial operation is

&

MOTOR

STEP

BAR

more than 45°C

sec.

sec.

sec.

sec.

sec.

not done.

ON

ON

C-FAN

DAMPER

DAMPER

HEATER

(In purchase,

ON

ON

MOTOR

ON

movement)

ON

In

When

applying

■ Sequence of

temperature of a

DAMPER

DAMPER

POWER

0.3

FROST

6

FROST

0.3

HOME

5

HOME

0.3

5

load operation

frost removal

sec.

sec.

sec.

sec.

sec.

&

sec.

&

when closing

sensor becomes

REMOVAL

REMOVAL

BAR

BAR

DUCT DOOR

DUCT DOOR

Initial

HEATER

HEATER

HEATER

HEATER

F-room and

less than 45°C

ON

HEATER

HEATER

ON

OFF

ON

OFF

R-room.

ON

OFF

(In power failure,

power

service)

0.3

PIPE

5

PIPE

0.3

0.3

F-FAN

0.3

R-STEP

0.3

MIRACLE 0.3

HOME

sec.

&

sec.

&

sec.

COMP sec.

sec.

sec.

ZONE

sec.

DISP'

DISP'

&

MOTOR

STEP

BAR

HEATER

HEATER

ON

C-FAN

DAMPER

DAMPER

HEATER

ON

ON

MOTOR

ON

ON

OFF

ON

Test mode 1

MIRACLE

If pressing switch

(Compulsory

TEST

once more in the

OTHER

0.3

COMP

0.3

F-FAN

0.3

R-STEP

0.3

ZONE

function)

S/W

LOAD

sec.

sec.

&

sec.

MOTOR

sec.

STEP

test mode 2 or

(PRESS

ON

C-FAN

DAMPER

DAMPER

temperature of a

TEST

Once)

OFF

ON

ON

MOTOR

frost removal

CLOSE

sensor is more

MODE

than 5°C, it

Test mode 2

immediately

(Compulsory frost

TEST

COMP

0.3

F-FAN

0.3

FROST

0.3

R-STEP

returns to the test

mode for initial

removal)

sec.

sec.

sec.

S/W

&

REMOVAL

MOTOR

operation

(PRESS

OFF

C-FAN

HEATER

DAMPER

2 Times)

OFF

ON

CLOSE

(COMP operates

after 7 minutes).

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