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GROUP SETTING
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4.
GROUP SETTING
In case that group setting is not performed, the indication of the central station is as shown below for
checking indoor unit connection after turning ON the power supply.
Completion of
Connection Check
Refrigerant
Number of
Cycle on
Checked Indoor
Connection
Units Connected in
Check
Refrigerant Cycle
on Connection
Check
NOTE:
The checked number of connected indoor units may be more than the actual number according
to the condition of transmission.
After the connection check, the indications of "GROUP" and "SET TEMP." may be "- -"
temporarily.
4.1. SYSTEM OF INDIVIDUAL CONTROL FOR UP TO 16 INDOOR UNITS
Group setting is automatically performed by the indoor unit address regardless of the refrigerant
cycle address. Set the indoor unit address without duplication of address.
Central
Station
Setting of
Indoor Unit RSW
0
1
Group Number
1
2
4.2. SYSTEM OF GROUP CONTROL BY REMOTE CONTROL SWITCH
In this case, the group setting by central station is required. Group setting is for master unit (directly
connected to remote control switch) and slave unit (connected by extension cable).
In case that the remote control switch is not connected, the group setting by remote control switch is
not available and only one master unit is controlled as one group.
In case of up to 16 indoor units connected, the group setting is automatically performed as described
in "1. System of Individual Control for up to 16 Indoor Units". In this case, correct the group setting
by the procedure below.
In Case of Item 1 Below
In Case of Item 2 Below
(14 Units Connected)
The setting "0" to "F" of
indoor unit RSW is
corresponding to the
group No. "1" to "16" of
central station.
(The setting can be
changed by the
procedure of "2.
System of Group Control
by Remote Control
2
3
4
Switch")
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