1. Cooling test operation function
This function is provided to change collectively the mode of all the indoor units connected to the same
system for the cooling test operation mode. Using switches on the interface board of the header unit.
<Operation procedure>
Power ON
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 interface P.C. board of the header unit to [1], [1], [1]
respectively or push the push-switch SW05 for 2 seconds or more.
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. Using switches on the interface board of the header unit.
<Operation procedure>
Power ON
Set SW01 on the interface P.C. board of the header unit to [2],
Sw02 to [6], and SW03 to [1] respectively. ([H ] 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 " – H " 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]
respectively or push the push-switch SW05 for 2 seconds or more.
Interface P.C. board
NOTE) The test operation returns to the normal operation after 60 minutes.
Be sure to turn on power at the indoor side before power-ON of outdoor unit.
[C
Be sure to turn on power at the indoor side before power-ON of outdoor unit.
[ H
7-segment display [A]
7-segment display [B]
SW04
SW05
SW01 SW02 SW03
<Rotary switch>
[A]
[B]
]
[
–C]
[A]
[B]
]
[
–H]
115
Start
Operation check
Stop/End
Start
Operation check
Stop/End