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Function

4.3 Night Low Noise Function

In cooling mode, this function makes the ODU fan operate at low RPM to reduce the fan noise of ODU at night

which has low cooling load.

Night low noise function setting method

CAUTION

• Request installer to set the function during installation.

• In case the function is not used, set the dip S/W OFF and reset the power.

• If ODU Hz and RPM change, cooling capacity may go down.

RPM / Time Settings

Service PCB DIP switch on : No.5

Select the mode using ‘▶’, ‘◀’ Button : “Func” Push

the ‘●’ button

Select the Function using ‘▶’, ‘◀’ Button : “Fn3”

Push the ‘●’ button

Select the Option using ‘▶’, ‘◀’ Button : “op1~op15”

Push the ‘●’ button

Start the Night low noise function :

Save the selected option value in EEPROM

Step Judgment Time(Hr) Operation Time(Hr)

op1 8 9

op2 6.5 10.5

op3 5 12

op4 8 9

op5 6.5 10.5

op6 5 12

op7 8 9

op8 6.5 10.5

op9 5 12

op10

Continuous operation op11

op12

op13 6.5 10.5

op14 6.5 10.5

op15 6.5 10.5

LG Multi V Service Manual

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