Installation Manual 87
ENGLISH
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 DIP S/W of DIP-SW01,02 of
outdoor PCB
Outdoor temperature is over 15°C : 17 ON
Outdoor temperature is below 15°C : 14,17 ON
In case of changing DIP-SW01,02 S/W
of outdoor unit, reset the power of
outdoor unit main PCB
Press SW03B 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 5~60 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 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
HR Unit PCB
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