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(2) Heating test operation function
This function is provided to change collectively the mode of all the indoor units connected to the same system for
the heating test operation mode, by using switches on the interface board of the header unit.
<Operation procedure>
NOTE) The test operation returns to the normal operation after 60 minutes.
Power ON
Set SW01/SW02/SW03 on the interface P.C. board of the header unit
to [2/6/1].
([H ] is displayed on 7-segment display [A].)
Press SW04 on the same board for 2 seconds or more.
[Test run] is displayed on the remote control of
the indoor unit to be operated.
Check that [ – C] is displayed on 7-segment
display [B] on the interface P.C. board of the
header unit.
Return SW01/SW02/SW03 on the interface P.C. board of the header
unit to [1/1/1],
or press the push-switch SW05 for 2 seconds or more.
Be sure to turn on power at the indoor side
before power-ON of outdoor unit.
Start
Operation check
Stop/End
7-segment display [A]
7-segment display [B]
<Rotary switches>
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