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(9) Automatic Address Setting Method
— For group control and central control with
multiple outdoor units —
Carry out automatic address setting with
the remote controller.
(1) All auto. address operation
1 Press the TEST / CHK and
buttons at the same time for more
than 4 seconds.
2 Press the SET button after confirm-
ing the CODE No. AA (CODE No.
AA: All Auto. address operation).
After addresses are automatically set
in order for the outdoor units from
No. 1 to No. 30, the system returns
to the normal stopped state.
(2) Individual auto. address operation for
each refrigerant circuit
1 To select each refrigerant circuit
individually and set addresses auto-
matically, press the TEST / CHK and
(
1
more than 4 seconds, then press the
,
set CODE No. A1.
(CODE No. A1: Auto. address opera-
tion)
2 Select R.C. No. which you want to
1 2
execute the auto. address operation
with UNIT button.
3 Press the SET button. The auto.
address operation will start. CODE
No. changes from flashing to ON
3
state.
4 If the error is happened during the
operation, the alarm message will
display. Check and remove the
cause. If you want to interrupt the
operation, press the CL button then
4
the unit stands in waiting mode
(Press the SET button).
5 If the auto. address operation fin-
ishes, the display will disappear.
6 Execute the operation of the other
R.C. line in the same way by follow-
5
ing the above steps 2 to 3.
) buttons at the same time for
(SET TEMP) button once to
7 Complete the auto. address op-
eration by pressing the TEST /
CHK button.
NOTE
Required time for auto. address operation:
In case of group control : a few minutes
(
)
In case of central control : max. about 20
(10) Displaying Indoor / Outdoor Unit
Combination Numbers
Display the indoor / outdoor unit address
after automatic address setting.
(1) When installing multiple units, match
the indoor unit address numbers and
the outdoor R.C. address numbers
and display them at an easy-to-check
location (near the nameplate) with an
oil-based magic marker or other indel-
ible marker so that the individual
indoor and outdoor unit combinations
can be checked.
Example:
Outdoor Unit 1 – Indoor Units 1-1, 1-
Outdoor Unit 2 – Indoor Units 2-1, 2-
(2) This is necessary for maintenance.
Always label these.
*Check indoor unit address with the
remote controller. Press the TEST /
CHK button for at least 4 seconds and
check the indoor unit address with the
UNIT button. (Each time you press
the UNIT button, the address changes
1-1, 1-2, ... 2-1, 2-2, ...) The fan for
only the selected indoor unit turns on
at high speed, so check which indoor
unit runs and label the indoor unit
address.
(If there is 1 outdoor unit, the ad-
dresses are 1-1, 1-2, ...)
When you press the TEST / CHK
button again, the system returns to
normal remote control mode.
IV - 50
4. Service procedures
for each R.C.
min. for each
R.C.
2, 1-3, ....
2, 2-3, ....
SM830080
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