Other Control; Initial Setup - LG ARUN Series Service Manual

4. Other control

4.1 Initial setup

There are 4 initial setup steps before running.
All DIP switch setting must be completed before initial setup.
1) Step 1 : factory setting value display
Factory setting value is displayed in 7 segment on PCB for 24sec.
All dip switches must be set properly before step 1.
Power is on
Master model code is displayed (3sec)
Slave model code is displayed (3sec)
Total capacity including sub units is
displayed (2sec)
Heat pump : Display 2 is default value
Cooling only : no display
Factory setting(25 is normal)
Refrigerant display
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Only for training and service purposes
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Function
LGE Internal Use Only