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11. ADDRESS SETTING
1. Address Setting
Address Setting Procedure
When twin or triple operation is selected with one indoor unit and one outdoor unit or when one outdoor is
connected to each indoor unit even with multiple refrigerant systems in group operation, auto address
setting is completed during the power on process of outdoor unit.
Remote controller operation is disabled during the auto address setting process (4 to 5 minutes).
Y
N
N
N
N
N
Y
Y
Y
Y
Connections/wiring
completed
(Corrected to an address/group
manually after address setting)
O/U refrigerant line address/I/U
address/group address setting
Do you set I/U
address freely?
(manually)
Connect com. cable between
R/C and I/U temporarily one
to one.
Power ON outdoor unit.
Set address for each
I/U individually
END
One refrigerant
system?
(To auto address
setting mode)
Power ON outdoor unit
Auto address setting
ends within 4 to 5
minutes.
Is group control going?
Multiple units for
twin/triple operation?
Auto address setting
first, then corrected?
Power ON outdoor unit.
• Unless the following addresses are stored in the EEPROM (IC10) on the indoor unit board, trial
operation is disabled. (Undefined data is stored at factory shipping.)
Refrigerant line address
Indoor unit address
Group address
Setting data range
0001 (unit No. 1) to 0030 (unit No. 30)
0001 (unit No. 1) to 0064 (unit No. 64)
Maximum I/U address in the same refrigerant system (double twin=4)
0000 : Individual (indoor units without group control)
0001 : Header (one indoor unit in the group)
0002 : Follower (indoor units in the group except header unit)
Code
12
13
14
Factory setting data
0099
0099
0099
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