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14-2-3. Remote Controller Distinction Function
This function is provided to distinguish the remote controller connected from the outdoor unit to the indoor unit
for a refrigerant line using switches on the interface P.C. board of the header unit.
<Distinction procedure>
Power ON
Be sure turn on the power of the indoor unit prior
to the power of the outdoor unit.
Set the display select switches on the interface P.C. board of
the header unit as follows:
SW01
[2]
SW02
[4]
SW03 [1]
(7-segment display)
[A]
[ A 1 ]
[B]
[ ]
(7-segment display)
[A]
[ A 1 ]
[A]
[ FF ]
Push the push-switch SW04 on the interface P.C. board of the
header unit for 2 seconds or more.
[CHECK] display of the connected remote controller flashes.
Push the push-switch SW05 on the interface P.C. board of the
header unit for 2 seconds or more.
Operation
Check the connected remote controller.
End
Other end conditions:
1. 10 minutes passed for sending operation
2. SW01, SW02, or SW03 changed to other position.
Interface P.C. board
7-segment display [A] 7-segment display [B]
SW04 SW05
SW01 SW02 SW03
<Rotary switch>
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