Mini VRF SYSTEM
Remote Controller Functions
5 - 20
3. Remote Controller Servicing Functions
5
3. Remote Controller Servicing Functions
VRF SYSTEMS Indoor Unit
■
Timer Remote Controller 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.
Fig. 3-3
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.
<Procedure of CZ-RTC5A
/ CZ-RTC5B
>
1
Keep pressing the
When the appears on the LCD display, the state of the sensor unit can be checked in the following
method.
,
and
buttons simultaneously for 4 or more seconds.
The “Maintenance func” screen appears on the
LCD display.
3
2
Press the
or
button to see each
menu.
Select "Sensor unit info." on the LCD display and
press the
Select "0. ECONAVI info." on the LCD display and
press the button.
button.
Select the “Unit no.” by pressing the
or
button for changes.
Then press the
button.
Display sensor information of the unit.
Refer to the information by pressing the
or
button.
■
ECONAVI Display
ECONAVI info.
Unit no.
Code no.
Data
Sel.
Next
20:30 (THU)
11
12
10
0001
0000
0002
1
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3. Remote Controller Servicing Functions
VRF SYSTEMS Indoor Unit
Code no.
Description
ECONAVI sensor
ECONAVI panel
11
21
Data shows the status of the ECONAVI sensor.
0000: The sensor is not connected.
0001: The sensor can detect human motion.
0002: The sensor is initializing. (The sensor cannot detect human motion. )
The initial setting is completed after about 90 seconds when switched on.
0003: Multiple sensor units are connected.
Only one sensor unit per indoor group is connectable.
0004: The sensor is broken down.
0005: The floor temperature sensor is broken down.
Data is automatically updated every 30 seconds.
12
22
In 30 seconds, data shows the number of times human motion was detected.
Data is automatically updated every 30 seconds.
-
24
Data shows the floor temperature measured by the sensor.
Data is automatically updated every 30 seconds.
How to Check Human Detection Sensor
Step 1 Check that Code no.11 or 21 is showing "0001".
Step 2 Make the sensor that can detect a person.
Move back and forth and around for about 10 seconds under sensor activation.
Step 3 Check that Code no.12 or 22 can show "1" or more within 30 seconds after Step 2 is performed.
Step 4 Make the sensor that cannot detect a person.
Exclude the persons or animals (an object to be detected) from the detection area.
If the remote controller is placed within the detection area of the ECONAVI sensor, an inspector
must check motionless the display of the remote controller.
Step 5 After a while, check that Code no.12 or 22 can show "0" . (For about 30 seconds to 2 minutes)
How to Check Floor Temperature Sensor
Code no. 24: There is no problem if data is within the range of -20 to 60.
If data shows -35, the floor temperature is broken down.
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