LG ARUM080LTE5, Engineering Product Data Book

Page: 760 / 797

8. Electrical Wiring
49
Multi V 5
Installation of Outdoor Units
 Flow chart of auto pipe detection process
Completion of auto pipe detection process
* 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.
Are the number
of indoor units connected
and displayed one equal?
Reset the power of HR unit PCB
Confirm that the setting of No.2, 3, 4 dip
switch of SW02E corresponds with the valve
connection type .
88' is displayed on 7-SEG of the outdoor
unit main PCB
Outdoor unit is operated for 5~60 minues.
The number of indoor units detected is
displayed for 30 seconds on the outdoor
unit PCB after outdoor unit stopped
Display error on outdoor unit PCB
Display error on HR unit PCB
Outdoor unit PCB : HR HR unit
number Valve number
HR unit : '200'
Check the HR unit and indoor unit
Pipe detection error occurs for 30
seconds.
Check the installation status of
outdoor, indoor, HR unit
Incompletion of pipe detection process
Retry auto pipe detection process
after fixing wrong installation
Does the
setting status
satisfy indoor unit’s configuration
properly during operation?
Confirm indoor unit’s address setting
Turn No.1 dip switch of SW02E of HR unit
NO
NO
YES
YES
Master outdoor unit’s PCB dip switch on :
Select the mode using ‘ ’, ‘ ’ Button :
“Idu” Push the ‘ ’ button
Select the mode using ‘ ’, ‘ ’ Button :
“Idu” Push the ‘ ’ button
Select the “Id 6” function using ‘ ’, ‘ ’
Button :“StA” Push the ‘ ’ button
Select the “Id 5” function using ‘ ’, ‘ ’
Button :“Ath” or ”Atc” Push the ‘ ’ button.
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”)
PCB off.
No.5