MXS Service Manual

SiUS121736EA Trial Operation
Trial Operation and Field Settings 228
 With Wired Remote Controller (BRC1E73)
1. Set to COOL or HEAT operation using the
remote controller.
2. Press and hold Cancel button for 4 seconds
or longer. Service settings menu is
displayed.
3. In the case of a model having airflow
direction function, select
in the service settings menu, and press
Menu/OK button. Basic screen returns and
“Test Operation” is displayed at the bottom.
4. Press On/Off button within 10 seconds, and
the test operation starts.
Monitor the operation of the indoor unit for a
minimum of 10 minutes. During test
operation, the indoor unit will continue to
cool/heat regardless of the temperature
setpoint and room temperature.
 In the case of above-mentioned
procedures 3 and 4 in reverse order, test
operation can start as well.
5. Press Menu/OK button in the basic screen.
Main menu is displayed.
6. Select in the main
menu and press Menu/OK button. Check
that airflow direction is actuated according
to the setting. For operation of airflow
direction setting, see the operation manual.
7. After the operation of airflow direction is
confirmed, press Menu/OK button.
Basic screen returns.
8. Press and hold Cancel button for 4 seconds
or longer in the basic screen.
Service settings menu is displayed.
9. Select in the service
settings menu, and press Menu/OK button.
Basic screen returns and normal operation
is conducted.
 Test operation will stop automatically
after 15 ~ 30 minutes. To stop the
operation, press On/Off button.
10.If the decoration panel has not been
installed, turn off the power after the test
operation (FFQ series only).
Test Operation
Airflow Direction
Test Operation
Change the airflow
direction by using
(Up/Down) button.
Basic screen
1.
2.
3.
4.
5.
Main menu screen
6.
7.
8.
9.
Basic screen
Service Settings
menu screen
Press and hold Cancel
button for 4 seconds or
longer during backlight lit.
Press Menu/OK button.
Press On/Off button
(within 10 seconds).
Press Menu/OK button.
Press Menu/OK button.
Press Menu/OK button.
Press and hold Cancel
button for 4 seconds or
longer during backlight lit.
Press Menu/OK button.
Cool
Set to
68F