Service Manual

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Setup of line address of outdoor unit,
indoor unit address, and group address
Completion of cabling work
Turn on power of outdoor unit.
Turn on power of outdoor unit.
Connect one remote controller with
one indoor unit (1 : 1) tentatively with
communication cable.
END
Turn on power of outdoor unit.
Set to all indoor units one by one.
Do you arbitrarily set the
indoor unit address?
Do you change setting after
automatic setting at the first time?
Is refrigerant line 1 line?
Is group control performed?
Setup of automatic
address finishes within
4 to 5 minutes.
After completion of address
setup, change is to arbitral
address/group manually.
(To AUTO address mode)
(MANUAL)
( )
( )
YES
YES
YES
YES
NO
NO
NO
13. ADDRESS SETUP
13-1. Address Setup
<Address setup procedure>
When an outdoor unit and an indoor unit are connected, or when an outdoor unit is connected to each indoor
unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address
setup completes with power-ON of the outdoor unit. The operation of the remote controller is not accepted while
automatic address works. (Approx. 4 to 5 minutes)
• When the following addresses are not stored in the neutral memory (IC10) on the indoor P.C. board, a test run
operation cannot be performed. (Unfixed data at shipment from factory)
Line
address
Indoor unit
address
Group
address
Item code
12
13
14
Data at shipment
0099
0099
0099
Setup data range
0001 (No. 1 unit) to 0030 (No. 30 unit)
0001 (No. 1 unit) to 0030 (No. 30 unit)
Max. value of indoor units in the identical refrigerant line (Double twin = 4)
0000 : Individual (Indoor units which are not controlled in a group)
0001 : Master unit (1 indoor unit in group control)
0002 : Sub unit (Indoor units other than master unit in group control)