Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 338

[0] to [F] so as not to duplicate.
⑤
Receiver (continued)
The receivable area of the signal when
the illuminance at the receiv er is 300lux.
The receivable area of the signal when
the illuminance at the receiv er is 600lux.
When installed on wall
[Condition] Illuminance at the receiver : 800lux.
Floor
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 flat batteries, a mislaid 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 confirmation, 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 6-digit display
A 6-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.
Recei ver
Wireless
remote control
5m or less
337
- -
Within 2.0 mm² × 600m
'17 • SCM-T-225
60° or less
Backup switch
PJZ012D112
6
8