68
9-11. Main-Sub Remote Controller Control
One (1) indoor unit can be controlled by two (2) wired remote controllers. In the case of using 2
remote controllers, one of them needs to be designated as the sub remote controller.
Connecting 2 remote controllers to control 1 indoor unit
L/1 N/2
R1 R2
1 2 1 2
3
1 2 3
U1 U2
R1 R2
U1 U2
Remote control wiring
Terminal board for remote control wiring
Indoor unit Indoor unit
Outdoor unit Outdoor unit
Remote controller
(main)
Remote controller
(sub)
Optional Optional
Ground Ground
Ground Ground
3-LINE CONNECTION 2-LINE CONNECTION
Remote controller setting mode (CZ-RTC5B)
20:30 (THU)
START
[ ]
(3) (1)
(2)
(1)
(1) Press and hold the , and for 4 seconds or
more simultaneously.
(2) Select “3. RC. setting mode”.
→
(3) Select the “Code no.” and
“Set data”.
→
→
RC. Setting mode
Code no. Set data
Sel. Next
20:30 (THU)
0001
01
Code no. Set data
(Repeat)
Code no. Item
Set data
0000 0001
01 Main/Sub Sub Main
(4) Press .
●
After selecting “YES”, the unit restarts.
Remote controller setting mode (CZ-RTC4)
(1) Press and hold the
A
and buttons for several
seconds simultaneously.
(2) Select the Code no.
(3) Select the Set data.
→
The indicator illuminates after blinking. Press .
Code no. Item
Set data
0000 0001
01 Main/Sub Sub Main
1. Outdoor unit error data
2. Service contact
4. Test run
Sel. Page [ ] Confirm
3. RC. setting mode
01_330918_EU_Eng.indb 68 2021/9/9 11:27:02