Mitsubishi KXZ Series Technical Manual page 320

⑤
Receiver (continued)
2. Correlation between illuminance at the receiver
and reachable area of the signal in a plain view.
The drawing in the right shows the correlation
between the reachable area of the signal and
illuminance at the receiver when the remote
control is operated at 1.0m high under the
condition of ceiling height of 2.4m. When
the illuminance becomes double, the area is
narrowed down to two thirds.
3. Installation tips when several receivers are installed close
Minimum distance between the indoor units which can avoid cross communication is 5m under the condition
of 300lux of illuminance at the receiver.
Backup switch
A backup switch is provided on the receiver. Even
when the operation from the wireless remote
control lost, or control failure), still it possible
to operate as temporary means. Press the switch
directly when operating it.
1. The air-conditioner starts the operation with
the condition of Auto mode, 23°C of set
point, High fan speed and horizontal louver
position.
2. The air-conditioner stops the operation when
the switch is pressed when in operation.
Cooling test run operation
●
● Transmit a cooling operation command with the wireless remote control unit, while the backup switch
on the receiver is depressed.
● If the backup switch on the receiver is pressed during a test run, it will end the test run.
● If you cannot operate the unit properly during a test run, please check wiring by consulting with
inspection guides.
How to read the 2-digit display
On the receiver of a wireless kit, a two-digit (7-segment) display is provided.
1. An indication will be displayed for one hour after power on.
2. An indication will be displayed for 3.5 seconds after transmitting a "STOP" command from the
wireless remote control or the operation of the backup switch to stop the unit.
3. An indication appearing in (1) or (2) above will go off as soon as the unit starts operation.
4. When there are no error records to indicate, addresses of all the connected units are displayed.
5. When there are some error records remaining, the error records are displayed.
6. Error records can be cleared by transmitting a "STOP" command from the wireless remote control,
while the backup button is pressed.
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'20 • KX-T-373
The receivable area of the
signal when the illuminance
at the receiver is 300lux
The receivable area of the
signal when the illuminance at
the receiver is 600lux
Backup switch