Mini VRF SYSTEM 
Remote Controller Functions
5 - 18
3. Remote Controller Servicing Functions
5
<Function of CZ-RTC5A / CZ-RTC5B>
Display of "maintenance function" screen
1
 Keep pressing the    ,     and  
 buttons simultaneously for 4 or more seconds.
 The “Maintenance func” screen appears on the 
 LCD display.
2
 Press the           or             button to see each  
 menu.
 If you wish to see the next screen instantly, press 
 the           or             button.
Maintenance func
1. Outdoor unit error data
2. Service contact
3. RC setting mode
4.Test run
Sel. Page [] Confirm
20:30 (THU)
List of Servicing Functions
Functions Description Menu selection Reset operation Unit status
Press the 
button.
Press the 
button.
ECONAVI
・CZ-KPU3A
・CZ-CENSC1
Display from each sensor 0. ECONAVI info.
Test run
Operation with forced
thermostat ON
4. Test run
Sensor temperature
display
Temperature display from
each sensor
5. Sensor info
Press the 
button. 
(Restart)
2WAY SYSTEM
Remote Controller Functions
3. Remote Controller Servicing Functions
Filter lifetime, operating
mode priority, central control
address, and other settings
Simple settings 7. Simple settings
System address, indoor
unit address, central control
address, and other settings
Detailed settings 8. Detailed settings
Automatic address setting
based on command from the
wired remote controller
When settings are
made from a remote
controller, the indoor
unit where that
remote controller is
connected stops.
Entire system stops.Automatic address 9. Auto address Automatic reset
Servicing check
display
Alarm history display 6. Service check
nanoe™ X
(CZ-RTC5A / 
CZ-RTC5B only)
Display status of nanoe™ X 13. nanoe
The remote controller includes a number of servicing functions. Use these as needed for test runs and 
inspections.
<CZ-RTC4>
List of Servicing Functions
Functions Description Button operation Reset operation Unit status
Test run
Operation with forced 
thermostat ON
Press the 
button.
Current operation 
is maintained.
Sensor 
temperature 
display
Temperature display 
from each sensor
Servicing 
check display
Alarm history display
Simple 
settings
Filter lifetime, operating 
mode priority, central 
control address, and 
other settings
When settings 
are made from a 
remote controller,
the indoor unit 
where that remote 
controller is 
connected stops.
Detailed 
settings
System address, indoor 
unit address, central 
control address, and 
other settings
Auto address 
Auto address setting 
based on command 
from the wired remote 
controller
Automatic reset
Entire system 
stops.
Address 
change
Change of indoor unit 
address
Press the 
button.
Press and hold the   button for 
4 seconds or longer.
Press and hold the   and 
buttons for 4 seconds or longer.
Press and hold the   and 
buttons for 4 seconds or longer.
Press and hold the  ,   and 
 buttons for 4 seconds or 
longer.
Press and hold the   and 
buttons for 4 seconds or longer.
Press and hold the   and the 
timer operation   buttons for 4 
seconds or longer.
Press and hold the   and the 
timer operation   buttons for 4 
seconds or longer.
SM830258-01_欧州向け_1fan_mini_VRF.indb   18 18/02/09   18:58:53