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3. Remote Controller Servicing Functions
5
VRF SYSTEMS Indoor Unit
■
 High-spec Wired Remote Controller CZ-RTC3
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)
Fig. 9
List of Servicing Functions
Functions Description Menu selection Reset operation Unit status
Test run
Operation with forced 
thermostat ON
4. Test run
Press the   
button.
Sensor temperature 
display
Temperature display from 
each sensor
5. Sensor info
Servicing check 
display
Alarm history display 6. Service check
Simple settings
Filter lifetime, operating 
mode priority, central control 
address, and other settings
7. Simple settings
Press the   
button.
(Restart)
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
8. Detailed settings
Automatic address
Automatic address setting 
based on command from the 
wired remote controller
9. Auo address Automatic reset
Entire system stops.
SM830232-00欧州向けVRFIndoor201404.indb21SM830232-00欧州向けVRFIndoor201404.indb21 2014/04/2511:11:162014/04/2511:11:16