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EN
ID
ID
¡ When executing a test run using
the interface P.C. Board on the
outdoor unit
You can execute a test run by operating switches on
the interface P.C. Board of the header outdoor unit.
“Individual trial”, which tests each indoor unit
separately, and “corrective trial”, which tests all the
indoor units connected, are available.
<Individual test operation>
T Starting operation
1
Set the running mode to “COOL” or
“HEAT” on the remote controller of the
indoor unit to be tested.
(The unit will run in the current mode
unless you set the mode otherwise.)
7-segment display
[A] [B]
[U1] [
]
2
Set the rotary switches on the interface
P.C. Board of the header outdoor unit:
SW01 to [16], SW02 and SW03 to the
address of the indoor unit to be tested.
SW02 SW03 Indoor unit address
1 to 16 1 1 to 16 Set number of SW02
1 to 16 2 17 to 32 Set number of SW02 + 16
1 to 16 3 33 to 48 Set number of SW02 + 32
1 to 16 4 49 to 64 Set number of SW02 + 48
7-segment display
[A] [B]
[
]
L
Address display of the
corresponding indoor unit
[
]
3
Push and hold SW04 for more than 10
seconds.
7-segment display
[A] [B]
[
]
L
Address display of the
corresponding indoor unit
[
]
L
[FF] is displayed for
5 seconds.
NOTE
• The running mode follows the mode setting on the
remote controller of the target indoor unit.
• You cannot change the temperature setting during
the test run.
• Errors are detected as usual.
• The unit does not perform test run for 3 minutes after
turning the power on or stopping running.
T Finishing operation
1
Set the rotary switches on the interface
P.C. Board of the header unit back: SW01
to [1], SW02 to [1] and SW03 to [1].
7-segment display
[A]
[U1]
[B]
[
]
<Corrective trial>
T Start operation
1
Set the rotary switches on the interface P.C. Board of the header outdoor unit as below.
When in “COOL” mode: SW01=[2], SW02=[5], SW03=[1].
When in “HEAT” mode: SW01=[2], SW02=[6], SW03=[1].
When in “FAN” mode: SW01=[2], SW02=[9], SW03=[1].
7-segment display
[A]
[C
]
[H
]
[F
]
[B]
[
]
[
]
[
]
2
Push and hold SW04 for more than 2 seconds.
NOTE
• You cannot change the temperature setting during the test run.
• Errors are detected as usual.
• The unit does not perform test run for 3 minutes after turning the power on or stopping running.
7-segment display
[A]
[C
]
[H
]
[F
]
[B]
[
- C
]
[
- H
]
[
- F
]
T Stop operation
1
Set the rotary switches on the interface P.C. Board of the header unit back:
SW01 to [1], SW02 to [1] and SW03 to [1].
7-segment display
[A]
[U1]
[B]
[
]
SW04
SW01 SW02
SW03
D600 D601 D602 D603 D604
SW05 SW15
Interface P.C. Board
Push switch Push switch
7-segment
display [A]
7-segment
display [B]
Rotary switches
63-EN 64-EN
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