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In case of test operation on the interface P.C. board of the header outdoor unit
This air conditioner has a function which executes a test operation by operation of the switches on the interface P.C.
board of the header unit.
This function is classified into "Individual test operation" which performs a test operation individually in each indoor
unit and "Collective test operation" which performs a test operation for all the connected indoor units.
<Individual test operation>
Procedure
1
Set operation mode on wired remote controller of the indoor
unit which is operated with test mode to [COOL] or [HEAT].
(When it is not set up, operate the air conditioner with the
current operation mode.)
2
Set the rotary switch SW01 on the interface P.C. board of the
header unit to [16], and match SW02 and SW03 to the
address of the indoor unit to be operated with test mode.
Start
operation
3
Push SW04 for 10 seconds or more.
• Operation mode changes to the operation mode of wired
• Temperature cannot be adjusted during "Test operation".
• Error is detected as usual.
• Test operation is not performed 3 minutes after power was
Stop
1
Return the rotary switches on the interface P.C. board of the
operation
header unit, SW01 = [1], SW02 = [1], SW03 = [1].
<Collective test operation>
Procedure
1
Set the rotary switches of interface P.C. board of the header unit;
COOL: SW01 = [2], SW02 = [5], SW03 = [1]
HEAT: SW01 = [2], SW02 = [6], SW03 = [1]
Start
2
Push SW04 for 2 seconds or more.
operation
• Temperature cannot be adjusted during "Test operation".
• Error is detected as usual.
• Test operation is not performed 3 minutes after power was turned on
Stop
1
Return the rotary switches on the interface P.C. board of the header
unit, SW01 = [1], SW02 = [1], SW03 = [1].
operation
Interface P.C. board
SW04 SW05 SW15
D600 D601 D602 D603 D604
SW01
SW02
SW03
1
1
1
Operation
remote controller of the corresponding indoor unit.
turned on or operation has stopped.
or operation has stopped.
Push switch
7-segment
Operation
ON
ON
1
2 3 4
1
2 3 4
SW06
SW07
SW04 SW05 SW15
display [A]
D600 D601 D602 D603 D604
SW01
SW02
1
Rotary switch
22
7-segment display
[A]
[U1]
[A]
[
]
↓ ↓ ↓ ↓ ↓
Address display of the
corresponding indoor unit
[A]
[
]
↓ ↓ ↓ ↓ ↓
Address display of the
corresponding indoor unit
[A]
[U1]
7-segment display
[A]
[C
]
[H
]
[A]
[C
]
[H
]
[A]
[U1]
ON
ON
ON
1
1
2 3 4
1 2 3 4
SW08
SW09
SW10
Push switch
7-segment
display [B]
SW03
1
1
[B]
[
]
[B]
[
]
[B]
[
]
↓ ↓ ↓ ↓ ↓
[FF] is displayed
for 5 seconds.
[B]
[
]
[B]
[
]
[
]
[B]
[ –C ]
[ –H ]
[B]
[
]
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