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3. Remote Controller Servicing Functions
Sensor temperature display function (displayed both when unit is running and stopped)
Use the following check procedure to display the sensor
temperatures from the remote controller, indoor unit, and
outdoor unit sensors on the remote controller display.
<Check procedure>
(1)
Press and hold the
(CHECK) button simultaneously for 4 seconds or longer.
(2)
The following appears on the remote controller LCD dis-
play: UNIT No. X – X (main unit No.), CODE No. XX
(sensor address), and service monitor
(sensor temperature).
(See figure at right.)
(3)
Press the temperature setting
buttons to change the item code to the sensor address of
the sensor you wish to monitor.
(For the relationship between the sensor address and
sensor type, refer to the sensor temperature relationship
table below.)
(4)
If group control is in effect, press the
button to change to the unit you wish to monitor.
(5)
Press the
(CHECK) button to return to normal
remote controller operation.
NOTE
The temperature display for units that are not connected
appears as "- - - -."
If monitor mode is engaged during normal operation, only
the part of the LCD display indicated in the figure changes.
The other parts remain unchanged during normal operation.
Sensor Temperature Relationship Table
Sensor
Location where
address
sensor is installed
Indoor unit
Outdoor unit
(CANCEL) button an
d
00XX
and
(UNIT)
Sensor type
Room temperature *1
Remote controller
temperature
Indoor unit intake
temperature
Indoor unit heat exchanger
temperature (E1)
—
Discharge temperature 1
High-pressure sensor
temperature
Suction temperature (TS)
Outdoor unit heat exchanger
temperature (C1)
Outside air temperature
(5)
(1)
Display shows a discharge temperature of 85°C
at unit No. 1-1
NOTE
The temperature on the remote controller is
displayed in Celsius (C).
Please note that you will not mistakenly read it in
Fahrenheit (F) on the display.
Returns to normal display.
Sensor
address
*1 Main unit only in case of group control.
5 - 5
Mini ECO-i SYSTEM
Trouble Diagnosis
(4)
Sensor type
Indoor unit heat exchanger
temperature (E3)
Discharge temperature
sensor
—
Indoor unit electronic
expansion valve position
—
—
CT (Inverter primary current)
MOV1 pulse
—
Actual operating Frequency
(3)
1
2
3
4
5
6
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