Review the following optional function settings when a function for the IR receiver kit is selected from the
wireless controller or the centralized controller.
● The optional functions “Cooling Lower Limit for Setting Temperature” and “Heating Upper Limit for Setting
Temperature” are not available with the wireless controller.
● The optional function setting “Fixing of Setting Temperature” is not available. When the operation mode is
changed from the wireless controller, the indicated temperature on the wired controller becomes the set
temperature of the wireless controller.
3
The DIP switch (DSW1) is for an optional function selection. If an optional function selection is required,
set the DIP switch as follows.
1
The following switches are on the IR receiver kit.
2
Emergency Operation Setting
“COOL” and “HEAT” buttons are used for an emergency operation when the batteries for the wireless
controller are low.
(1) “COOL” Button: Press “COOL” so that the cooling operation is started.
Press “COOL” again so that the cooling operation is stopped.
(2) “HEAT” Button: Press “HEAT” so that the heating operation is started.
Press “HEAT” again so that the heating operation is stopped.
NOTE:
During an emergency operation, a yellow light “
” flashes (0.5 second ON/0.5 second OFF).
The temperature set-point and the fan speed for the cooling/heating operation are the same as before
starting an emergency operation.
Turn OFF the power source completely before setting the DIP switch for an IR receiver kit.
Not doing so may cause an electric shock.
4. Optional Functions
Optional Function
DIP Switch Setting (DSW1)
Details
1
2
3
4
5
6
Main/Sub Setting
O
X
X
X
X
X Change main (OFF setting)/ sub (ON setting) wireless
controller for a two-wireless controller system.
Identification of
Indoor Unit
X
O
X
X
X
X It functions as B Mode (identifying the indoor unit) of
the wireless controller when it sets to “ON”.
Invalid
Emergency Operation
X
X
X
O
X
X The switches for emergency operation are invalid.
O: ON
X: OFF
EMERGENCY
COOL
HEAT
RUN
FILTER DEF
TIMER
"COOL" Button
"HEAT" Button
PCB
Rear Side of IR Receiver Kit
Cover
DIP Switch (DSW1)
(Factory Setting)
1 2 3 4 5 6
ON
8
