LG ARUM080LTE5 Engineering Product Data Book page 760

Multi V 5
8. Electrical Wiring
 Flow chart of auto pipe detection process
Confirm indoor unit's address setting
Turn No.1 dip switch of SW02E of HR unit
PCB off.
Confirm that the setting of No.2, 3, 4 dip
switch of SW02E corresponds with the valve
connection type .
Reset the power of HR unit PCB
Master outdoor unit's PCB dip switch on :
No.5
Select the mode using '
"Idu" Push the ' ' button
Select the "Id 5" function using '
Button :"Ath" or "Atc" Push the '
Outdoor temperature is over 15°C(59°F) :
Select "Ath" (if fails, use "Atc")
Outdoor temperature is below 15°C(59°F) :
Select "Atc" (if fails, use "Ath")
Select the mode using '
"Idu" Push the ' ' button
Select the "Id 6" function using '
Button :"StA" Push the '
88' is displayed on 7-SEG of the outdoor
unit main PCB
* It is possible to be generated mode changing noise of
heating and cooling which is normal.
There is no mode changing noise at normal operation.
Outdoor unit is operated for 5~60 minues.
satisfy indoor unit's configuration
properly during operation?
The number of indoor units detected is
displayed for 30 seconds on the outdoor
unit PCB after outdoor unit stopped
', ' ' Button :
of indoor units connected
', ' '
and displayed one equal?
' button.
Completion of auto pipe detection process
', ' ' Button :
', ' '
' button
Does the
setting status
NO
Display error on outdoor unit PCB
Display error on HR unit PCB
YES
Outdoor unit PCB : HR
number
HR unit : '200'
Check the HR unit and indoor unit
Are the number
NO
Pipe detection error occurs for 30
seconds.
YES
Check the installation status of
outdoor, indoor, HR unit
Retry auto pipe detection process
after fixing wrong installation
Incompletion of pipe detection process
Installation of Outdoor Units
HR unit
Valve number
49