Toshiba MMY-MUP0721FT6P-UL Service Manual page 141

<Setting the indoor terminal resistance manually (if the farthest room is known)>
12) Set the Indoor Unit Function Code I.DN [1FC] to "0001" (indoor terminal resistance ON).
13) After installing the outdoor unit, set the Outdoor Unit Function Code O.DN [82] to "0003" (TU2C-Link)
for the header outdoor unit and the follower outdoor unit.
14) Reset the outdoor / indoor unit power supply to complete the setting.
<Setting the indoor terminal resistance automatically (if the farthest room is unknown)>
The indoor terminal resistance settings will be available after installing the outdoor unit and performing the
communication method settings from the header outdoor unit, thus the farthest room will be detected
automatically, and indoor terminal resistance can be set.
Make sure that this is done after 11), since the communication method settings has to be performed after
changing back to TCC-LINK settings.
15) Clear the communication method from the header outdoor unit after installing the outdoor unit.
All the communication method settings for the indoor and outdoor unit in the same system will be set to
TCC-LINK.
(The indoor addresses will not be changed at this time.)
16) Perform the communication method settings from the header outdoor unit. If all of the outdoor unit, the
indoor units, and the remote controller in the same system supports TU2C-LINK, they will be set to
TU2C-LINK settings, and the indoor terminal resistance settings will turn on automatically.
17) Reset the outdoor / indoor unit power supply to complete the setting.
<When the farthest indoor unit is known and the indoor terminating resistor is set manually>
12) After setting the indoor terminating resistor
Line (system) address
Indoor unit address
Group address
Communication setting
Indoor termination
<If you do not know the farthest indoor unit and use automatic communication settings>
15) After resetting communication settings
Line (system) address
Indoor unit address
Group address
Communication setting
Indoor termination
16) After automatic communication setting
Line (system) address
Indoor unit address
Group address
Communication setting
Indoor termination
I.DN [12] 0005 0005
I.DN [13] 0126 0127
I.DN [14] 0001 0002
I.DN [FC] 0003 0003
I.DN [1FC] 0000 0000
I.DN [12] 0005 0005
I.DN [13] 0126 0127
I.DN [14] 0001 0002
I.DN [FC] 0000 0000
I.DN [1FC] 0000 0000
I.DN [12] 0005 0005
I.DN [13] 0126 0127
I.DN [14] 0001 0002
I.DN [FC]
0003 0003
I.DN [1FC] 0000 0000
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0128
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