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(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 header unit.
<Operation procedure>
[1]
Match [SW01/SW02/SW03] on the interface P.C.board of the header
unit to [2/5/1]. (7-segment display [A] changes to [F. ].)
Push the push-switch [SW4] for 2 seconds or more on the P.C. board.
[2]
[3]
[Test run] is displayed on the remote controller of
the indoor unit to be operated. Check that
7-segment display [B] on the interface P.C. board
of the header unit changed to [– C]
[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)
• The test run is a forced run that ignores the set temperature. Be sure to stop the test run after work,
paying attention to the room temperature.
• After 60 minutes, the test run will be completed to protect the equipment, and the normal operation will
be started according to the set temperature.
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
7-segment
display [A]
- 153 -
Be sure to turn on power of the indoor unit
and then turn on power supplies at outdoor unit side.
A
B
[
]
[
]
[F.
]
[
–
F]
SW04
SW05
SW01
SW02
Rotary switches
Operation
Operation check
Stop/End
SW06
7-segment
display [B]
SW03
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Troubleshooting
