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1. Cooling test operation function
This function is provided to change collectively the mode of all the indoor units connected to the same
system to the cooling 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.
Interface P.C. board
7-segment display [A] 7-segment display [B]
SW04 SW05
SW01 SW02 SW03
<Rotary switch>
[A]
[ ]
[B]
[ –C]
Power ON Be sure to turn on power at the outdoor side after power-ON of indoor unit.
Set SW01 on the interface P.C. board of the header unit to [2],
Sw02 to [5], and SW03 to [1] respectively. ([C ] is displayed on
7-segment display [A].)
Push SW04 on the interface P.C. board of the header unit for
2 seconds or more.
[TEST] is displayed on the remote controller 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 remote controller of the
indoor unit to [1], [1], [1] respectively or push the push-switch
SW05 for 2 seconds or more.
Start
Operation check
Stop/End
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