Toshiba MCY-MUG0401HSW-E Service Manual page 147

(3) Fan test operation function
This function is provided to change collectively the mode of all the indoor units connected to the same system for
the fan test operation mode by using switches on the interface P.C. board of the Outdoor unit.
<Operation procedure>
[1] Match [SW01/SW02/SW03] on the interface P.C.board of the header unit
to [2/9/1]. (7-segment display [A] changes to [F. ].))
[2]
Push the push switch SW4 for 2 seconds or more on the P.C. board.
Test run] is displayed on the remote controller of the
[3]
indoor unit to be operated. Check that [ – H] is displayed
on 7-segment display [B] on the interface P.C. board of
the outdoor unit.
[4] Return [SW01/SW02/Sw03] on the interface P.C. board of the header unit to
[1/1/1].
or push the push switch [SW05] for 2 seconds or more.
Interface P.C. board
NOTE)
• Be sure to stop the test run after work.
• The test run finished after 60 minutes and the operation returns to normal operation. However, if there is no
remote controller (using a central controller), please manually stop the test run after 60 minutes because there
are some type of indoor unit that will continue operating test run even after 60 minutes.
Power ON
Push switch
Be sure to turn on power of the indoor unit and
then turn on power supplies at outdoor unit side.
[F. ] [- F]
SW04 SW05
7-segment
display [A]
SW01 SW02
<Rotary switches>
146
Start
Operation check
Stop / End
SW06
7-segment
display [B]
SW03