Installation Instructions

37
In case of test operation on the interface P.C. board of the 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 outdoor 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]
[Collective test operation]
Start
operation
Stop
operation
Procedure
1
2
3
1
Operation
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.)
Set the rotary switch SW01 on the interface P.C. board of the
outdoor unit to [16], and match SW02 and SW03 to the
address of the indoor unit to be operated with test mode.
Push SW04 for 10 seconds or more.
Operation mode changes to the operation mode of wired
remote controller of the corresponding indoor unit.
Temperature cannot be adjusted during Test operation”.
Error is detected as usual.
Test operation is not performed 3 minutes after power was
turned on or operation has stopped.
Return the rotary switches on the interface P.C. board of the
outdoor unit, SW01 = [1], SW02 = [1], SW03 = [1].
7-segment display
[A]
[U1]
[A]
[ ]
Address display of the
corresponding indoor unit
[A]
[ ]
Address display of the
corresponding indoor unit
[A]
[U1]
[B]
[ ]
[B]
[ ]
[B]
[ ]
[FF] is displayed
for 5 seconds.
[B]
[ ]
Start
operation
Stop
operation
Procedure
1
2
1
Operation
Set the rotary switches of interface P.C. board of the outdoor unit;
All cooling operation: SW01 = [2], SW02 = [5], SW03 = [1]
All heating operation: SW01 = [2], SW02 = [6], SW03 = [1]
Push SW04 for 2 seconds or more.
Temperature cannot be adjusted during Test operation”.
Error is detected as usual.
Test operation is not performed 3 minutes after power was turned on
or operation has stopped.
Return the rotary switches on the interface P.C. board of the outdoor
unit, SW01 = [1], SW02 = [1], SW03 = [1].
7-segment display
[A]
[C ]
[H ]
[A]
[C ]
[H ]
[A]
[U1]
[B]
[ ]
[ ]
[B]
[ C ]
[ H ]
[B]
[ ]
Interface P.C. board
SW04 SW05 SW15
D600 D601 D602 D603 D604
SW03
1
SW02
1
SW01
1
SW06
1
ON
2 3 4
SW07
1
ON ONON ON
2 3 4
SW09SW08
11 2 3 4
SW10
1 2 3 4
SW04 SW05 SW15
D600 D601 D602 D603 D604
SW03
1
Push switchPush switch
7-segment
display [B]
7-segment
display [A]
Rotary switch
SW02
1
SW01
1
7
TEST OPERATION