Remote Controller Distinction Function; Distinction Procedure - Toshiba Super MMU-AP0091H Service Manual

8-7-4. 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 circuit system using switches on the interface P .C. board of the header unit.
<Distinction procedure>
Power ON
Set the display select switches on the interface P.C. board of
the header unit as follows:
SW01 [2]
SW02 [4]
SW03 [1]
Push the push-switch SW04 on the interface P.C. board of the
header unit for 2 seconds or more.
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.
Be sure turn on the power of the indoor unit prior
to the power of the outdoor unit.
Interface P.C. board 7-segment display [A]
(7-segment display)
[A]
[ A 1 ]
(7-segment display)
[A]
[ A 1 ]
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.
7-segment display [B]
SW04 SW05
SW01 SW02 SW03
<Rotary switch>
120
[B]
[ ]
Operation
[A]
[ FF ]