User Manual
3
operating without a button for 10 seconds will automatically confirm and return to normal working
status.
9.
Humidity calibration setting
: When the machine is turned on, press and hold the
+
button for 3
seconds to enter the indoor humidity calibration setting. The calibration value and humidity calibration
serial number symbol 1 will flash, and the humidity calibration value can be modified by pressing the
or
keys. The button
will switch to the outdoor humidity calibration setting, and the calibration
value and humidity calibration serial number symbol 2 will flash. After the setting is completed, the
button
or 10 seconds of no button operation will automatically confirm and return to normal working
status.
10.
Unlock setting
: In the on/off state, press and hold the
+
button for 3 seconds to switch between
unlock and add. Lock status display lock flag;
11.
Filter setting and resetting
: When the machine is turned on, press and hold the key
for 3
seconds. If the current filter alarm is turned on, reset the filter screen. The filter screen logo on the work
interface disappears, and the filter screen starts counting from zero; If the current filter alarm is in the
closed state, it enters the filter setting state and flashes to display the current filter setting value. Use the
or
keys to modify the filter setting value, with a range of 0-360 days and a default value of 42 days.
Press the key
or no key operation for 10 seconds, it will automatically confirm and return to normal
working state.
12.
Filter and coil temperature viewing
: When turned on, press and hold the
+
button for 3 seconds
to enter the filter screen viewing interface, which displays the current cumulative number of filter days.
Press the key
to switch to the next coil temperature viewing interface, which displays the coil
temperature. Press the key
again or operate without a button for 10 seconds, and it will automatically
return to the startup interface.
13.
Outdoor temperature and humidity check
: When turned on, press and hold the
+
button for 3
seconds to enter the outdoor temperature and humidity check status, which flashes to display the
outdoor temperature and humidity parameters. If there is no button operation for 10 seconds, it will
automatically return to normal working state. (Note: If there is no external outdoor temperature and
humidity module, this button function is invalid.)
14.
Key tone setting
: In the power-on state, press and hold
+
simultaneously.
15.
Restore factory settings
: When turned on, press and hold the
+
key to restore the product
parameters to the factory default settings. After setting, the screen will display for a few seconds and
then enter the shutdown state, indicating successful setting. Normal use after startup.
16.
Fault alarm
: When the coil sensor fails, the coil temperature viewing interface displays an E1 icon;
When the indoor humidity sensor fails, the humidity display area displays E2. When the indoor