GROUP SETTING 
13 
 
ENGLISH 
 
4.3.3. CANCELLATION OF SLAVE UNIT SETTING 
 
a.  Screen Change for Cancellation of Slave 
Unit Setting. 
Keep depressing the "CHECK" switch for 3 
seconds during all the indoor unit is stopped 
(with "RUN" indicator OFF). The "CHECK" 
indicator turns ON, and it shows the state is 
changed to the CHECK mode. When "1" 
(master unit setting mode) is turns ON at the 
7-segment indicator for checking, depress 
the "CHECK" switch again, and then the 
checking indication is changed to "2" (slave 
unit setting mode). 
 
b.  Select the refrigerant system address and 
indoor unit address to cancel. The refrigerant 
system address is changed by depressing 
"
∇" (TEMP) switch and the indoor unit 
address is changed by depressing "Δ" 
(TEMP) switch in order as shown below. In 
this case, the switch is kept depressing, and 
the indication of the refrigerant system 
address or the indoor unit address is fast-
forwarded. 
 
*  The Ref. Nº and I.U. address of the indoor unit 
unconnected are not indicated. 
*  The Ref. Nº and I.U. address of the indoor unit set 
as the master unit are not indicated.
 
 
The above figure shows the case of 
selecting Ref. Nº. "1" and I. U. Add. "2". 
c.  Cancellation of Slave Unit Address. 
Depress the "RUN/STOP" switch and the 
slave unit is canceled.The "SET" indicator 
and the "°" indicators of zone and group turn 
ON.
 
d.  Perform the cancellation of slave unit setting 
procedure b and c for each intended 
refrigerant system and address. 
 
e.  After completion of canceling the slave unit 
setting, change the mode to the standard 
state by depressing "RESET" switch.