Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 330

⑤
Receiver (continued)
Wireless remote control's operable area
1. Standard signal receiving range
[Condition]
Illuminance at the receiver area: 360 lux.
(When no lighting fixture is located within 1m
of indoor unit in an ordinary of
Wireless remote
control unit
Within 5m
Receivable range
Backup switch
A backup switch is provided on the receiver
section of the panel surface.
When operation from the wireless remote control
unit is not possible (due to
unit, a unit failure), you can use it as an emergency
means. You should operate this switch manually.
1. If pressed while the air-conditioner is in a halt, it
will cause the air-conditioner to start operation
in the automatic mode (in the case of cooling
only, in the cooling mode).
Wind speed: Hi fan, Temperature setting: 23°C,
Louver: horizontal.
2. If pressed while the air-conditioner is in operation, it will stop the air-conditioner.
Cooling test run operation
● After safety con firmation, turn on the power.
● 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 two-digit display
A two-digit indicator (7-segment indicator) is provided on the receiver section.
1. An indication will be displayed for one hour after power on.
2. An indication appears for 3.5 seconds when a "Stop" command is sent from the wireless remote
control unit while the air-conditioner is not running.
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 are displayed for all of the connected units.
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
unit, while the backup switch is depressed.
fice)
Ceiling surface
Floor surface
(Top view)
60°
flat batteries, a mislaid
2. Points for attention in connecting a plural
number of indoor units
[Condition]
Illuminance at the receiver area: 360 lux.
Receivable range
60°
TIMER
CHECK RUN
329
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'17 • SCM-T-225
5m
(Top view)
Receivable range
60°
Backup switch
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