MXS Service Manual

SA Indoor Unit Functions SiUS121736EA
89 Functions and Control
3.10 Other Functions
3.10.1 Signal Receiving Sign
When the indoor unit receives a signal from the remote controller, the unit emits a signal receiving
sound.
3.10.2 Auto-restart Function
If a power failure (even a momentary one) occurs during the operation, the system restarts
automatically in the same conditions as before when the power supply is restored to the conditions
prior to the power failure.
Note: It takes 3 minutes to restart the operation because the 3-minute standby function is activated.
3.10.3 Emergency Operation Switch (With Wireless Remote Controller)
Outline When the wireless remote controller does not work due to battery failure or the absence thereof,
use the emergency operation switch.
Details Start
Press emergency operation switch.
 The unit runs in the previous mode.
 The system operates with the previously set airflow direction (FFQ series only).
Stop
Press emergency operation switch again.
FDMQ Series
FFQ Series
(R24925)
Emergency
operation
switch
Emergency operation switch
(R24077)