LG ARUB115BT2 Installation Manual - Page 56

Flow chart of auto addressing for pipe detection

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HR Unit PCB Flow chart of auto addressing for pipe detection Confirmation of indoor unit address setting Outdoor unit is operated for 5~30 minues. Turn No.1 of SW02M of HR unit PCB off. Confirm that the setting of No.2, 3 of SW02M corresponds with the number of indoor units. Reset the power of HR unit PCB Confirm the No.5 DIP S/W of SW03M of outdoor PCB Outdoor temperature is over 15°C : ON Outdoor temperature is below 15°C : OFF Is the pipe setting condition satisfied during the operation of indoor unit? 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 In case of changing SW03M S/W of outdoor unit, reset the power of outdoor unit main PCB Wait for 3 minutes Are the number of indoor units connected to the outdoor unit wiring and displayed one equal? YES Press SW01V of the outdoor unit main PCB for 5 seconds Completion of auto pipe detection 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. NO Pipe detection error occur after 30 seconds. Check the installation of pipe of outdoor, indoor, HR unit Retry auto pipe detection after checking trouble Incompletion of auto pipe detection 56 Outdoor Unit

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56
Outdoor Unit
56
Outdoor Unit
HR Unit PCB
Completion of auto pipe detection
❇
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 to the
outdoor unit wiring and displayed
one equal?
Reset the power of HR unit PCB
Confirm that the setting of No.2, 3 of
SW02M corresponds with the number of
indoor units.
Confirm the No.5 DIP S/W of SW03M of
outdoor PCB
Outdoor temperature is over 15
°
C : ON
Outdoor temperature is below 15
°
C : OFF
In case of changing SW03M S/W of
outdoor unit, reset the power of outdoor
unit main PCB
Press SW01V of the outdoor unit main PCB
for 5 seconds
88' is displayed on 7-SEG of the outdoor
unit main PCB
Outdoor unit is operated for 5~30 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 occur after 30
seconds.
Check the installation of pipe of
outdoor, indoor, HR unit
Incompletion of auto pipe detection
Retry auto pipe detection after
checking trouble
Is the pipe
setting condition
satisfied during the operation of
indoor unit?
Confirmation of indoor unit address setting
Turn No.1 of SW02M of HR unit PCB off.
Wait for 3 minutes
NO
NO
YES
YES
Flow chart of auto addressing for pipe detection