Night Low Noise Function; Setting The Odu Address; Snow Removal & Rapid Defrost; Target Pressure Adjusting - LG MULTI V Series Installation Manual

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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
Master unit 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
Time Settings
Step Judgement Time(Hr)
oP1 8
oP2 6.5
oP3 5
oP4 8
oP5 6.5
oP6 5
oP7 8
oP8 6.5
oP9 5
oP10
oP11
oP12
oP13 6.5
oP14 6.5
oP15 6.5
CAUTION
!
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.

Setting the ODU address

Mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn5" Push the '●' button
Select the Option using '▶', '◀' Button :
"0" ~ "254" Push the '●' button
ODU address is set
CAUTION
!
• Ask an authorized technician to setting a function.
• If use a function, first install a Central controller.
Operation Time(Hr)
9
10.5
12
9
10.5
12
9
10.5
12
continuous operation
continuous operation
continuous operation
10.5
10.5
10.5
Snow removal & rapid defrost
Mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn6" Push the '●' button
Select the Option using '▶', '◀' Button :
"oFF","oP1" ~ "oP3" Push the '●' button
Mode is set
Mode setting
setting
oFF
oP1
oP2
oP3 Snow removal mode. + Rapid defrost mode.
CAUTION
!
• Ask an authorized technician to setting a function.
• If do not use a function, set an off-mode.

Target pressure adjusting

Mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"Func" Push the '●' button
Select the Function using '▶', '◀' Button :
"Fn8" Push the '●' button
Select the Option using '▶', '◀' Button :
"hEAt" , "cooL" Push the '●' button
Select the Option using '▶', '◀' Button :
"oFF", "oP1" ~ "oP4" Push the '●' button
Target pressure is set
Setting
Mode Cool
Setting Low pressure
oFF 778 kPa
oP1 699 kPa
oP2 739 kPa
oP3 843 kPa
oP4 908 kPa
oP5 961 kPa
oP6 1 026 kPa
CAUTION
!
• Ask an authorized technician to setting a function.
• If do not use a function, set an off-mode.
• Change a power consumption or capacity.
Mode
Not setting
Snow removal mode
Rapid defrost mode
Heat
High pressure
2 990 kPa
3 121 kPa
2 827 kPa
2 696 kPa
2 565 kPa
2 435 kPa
2 304 kPa