AUX ALCF-H18/NDR3HA, Service Manual

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R32
High Efficiency DC Inverter LCAC
83
shows in the way of low wind grade, but " " does not display.
4.
【
"Oil Return / Defrost"
】
function display
When the unit is running in the state of Oil Return or Defrost, " " icon is lighting on wire
controller.
When the unit has finished Oil Return or Defrost process, " " icon does not display.
5.
【
"Filter Screen Clean"
】
function display
Filter screen cleaning reminder function: The unit can record its running time, when
reaching the time set by the user, it will remind the user to clean the filter screen, so as
to avoid prolonged cleaning and filter screen blockage, which can result in poor
heating/cooling effect, abnormal protection, bacterial breeding, and other problems.
When the running time reaches the filter screen cleaning reminder time set by a user,
the unit will give out a reminder of filter screen cleaning, wired controller displays" "
icon, reminding the user to clean filter screen. At this moment, long press "Timer" button for
5S to cancel the reminder, then the icon does not display. A filter screen cleaning reset
signal is sent to the unit.
6.
【
Celsius and Fahrenheit switching
】
display
When users set Celsius to be valid, the wired controller will display Celsius
temperature.
When users set Fahrenheit to be valid, the wired controller will display corresponding
Fahrenheit temperature synchronously.
7.
【
"Child Lock" function display
】
Press both"
∧
" or "
∧
" buttons for more than 5S to enter locking, the controller will
display " " . In the state of locking, operations on the wired controller are disabled (but
remote control receiving is valid).
The method of unlocking: Press both"
∧
" or "
∧
" buttons for more than 5S or power off
the unit to release the locking (" " does not display).
8.
【
Remote control
】
function
The wired controller can receive remote control commands and update the current
status
Start-up the unit with remote controller, wired controller work in accordance with the