LG Multi V PRHR033 Installation Manual page 44

44
Flow chart of auto pipe detection Process
Confirm indoor unit's address setting
Turn No.1 of DIP s/w SW02M of HR unit PCB off.
Confirm that the setting of No.2, 3 of
SW02M 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 ' ', ' ' Button :
"Idu" 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 "Atc" (if fails, use "Ath")
Outdoor temperature is below 15 °C(59 °F)
: Select "Ath" (if fails, use "Atc")
Select the mode using ' ', ' ' Button :
"Idu" Push the ' ' button
Select the "Id 6" function using ' ', ' '
Button :"StA" Push the ' ' button
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 minutes
Does the setting
status satisfy indoor unit's
configuration properly
during operation?
YES
The number of indoor units detected is
displayed for 30 seconds on the outdoor
unit PCB after outdoor unit stopped
NO
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
Is the number
of indoor units connected and
displayed one equal?
YES
Completion of auto pipe detection Process
ARWM***CAS5
NO
Pipe detection error occurs for 30
seconds.
Check the installation status of
outdoor, indoor, HR unit
Retry auto pipe detection Process
after fixing wrong installation
Incompletion of auto detection Process
DIP-SW01
7-Segment
SW04C (X : cancel)
SW03C ( : forward)
SW02C ( : backward)
SW01C ( : Confirm /
Automatic Addressing)
SW01D (reset)