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UNIT
SET
CL
UNIT No.
SET DATA
R.C. No.
3
2
1
1 2 3
<Operation procedure>
Returned to usual display
OUT
IN
Remote controller
1-1
OUT
IN
2-1
Master
OUT
IN
3-1
OUT
IN
4-1
OUT
IN
7-1
Max. 8 units
n Calling of error history
<Contents>
The error contents in the past can be called.
<Procedure>
1
Push + buttons simultaneously for 4
seconds or more to call the service check
mode.
Service Check goes on, the item code 01 is
displayed, and then the content of the latest
alarm is displayed. The number and error con-
tents of the indoor unit in which an error occurred
are displayed.
2
In order to monitor another error history, push
the set temperature / buttons to
change the error history No. (Item code).
Item code 01 (Latest) → Item code 04 (Old)
NOTE : Four error histories are stored in memory.
3
Pushing button returns the display to
usual display.
<Requirement>
Do not push button, otherwise all the error histo-
ries of the indoor unit are deleted.
(Group control operation)
In a group control, operation of maximum 8 indoor units can be controlled by a remote controller.
The indoor unit connected with outdoor unit (Individual/Master of twin) controls room temperature according to
setting on the remote controller.
<System example>
(1) Display range on remote controller
The setup range (Operation mode/Air volume select/Setup temp) of the indoor unit which was set to the
master unit is reflected on the remote controller.
(2) Address setup
Turn on power of the indoor unit to be controlled in a group within 3 minutes after setting of automatic
address.
If power of the indoor unit is not turned on within 3 minutes (completion of automatic address setting), the
system is rebooted and the automatic address setting will be judged again.
1) Connect 3 In/Out cables surely.
2) Check line address/indoor address/group address of the unit one by one.
3) The unit No. (line/indoor gout address) which have been set once keep the present status as a rule if the
unit No. is not duplicated with one of another unit.