1. Plugged in:
When first plugged in, the full screen will display for 2 seconds before automatically changing to the default setting screen
which will only show RT. RT= Real Temperature
2. Mode selection(main menu):
In the default display setting, press “SET” button once to enable Mode Selection. The display will show RT(Real
temperature), MODE: COOL, HEAT and “COOL” will be flashing. Press “SET” again and the program stay in “COOL” Mode
or press “UP” and “DOWN” to switch between “HEAT” and “COOL” modes.
3. Temperature setting (submenu):
After selecting “COOL” or “HEAT” Mode, the program is now ready to set the temperature. When “SET” and original
temperature are flashing at the same time, press the “UP” or “DOWN” button to adjust to the desired temperature. Press
“SET” again or leave it for 15 seconds and the system will automatically save the adjusted data and quit.
4. Hidden Menu:
Press and hold “SET” for 3 seconds and the system will go into the Hidden Menu, showing “ COOL DIFF”, “HEAT DIFF” and
“ALARM”. “COOL DIFF” will be flashing with the temp display showing the default setting. Press the “UP” or “DOWN”
buttons to set the desired temperature difference. Press “SET” again to switch to “HEAT DIFF”. When “HEAT DIFF”
flashes, press “UP” and “DOWN” to set the desired temperature difference. Press “SET” again to switch to “ALARM”.
When “ALARM” flashes, press “UP” and “DOWN” to adjust the number of degrees outside the set temperature range the
unit will allow before sounding the alarm. Press and hold “SET” for 3 seconds, or leave it for 15 seconds, and the system will
automatically save the adjusted data and quit. Pressing “SET” for less than 3 seconds will continue to switch among “COOL
DIFF”, “HEAT DIFF” and “ALARM” settings.
5. About the display：
When the system is running in “COOL” mode, if the display shows only “MODE: COOL", it means no power has been input
yet; if the display shows “MODE: COOL” and the snowflake symbol, it means the input power has been properly set; if the
display shows “MODE: COOL” and the snowflake symbol is flashing, it means the system is in a compressor delay stage.
When the system is running in “HEAT” mode, if the display shows only “HEAT”, it means no power has been input yet; if the
display shows “MODE: HEAT” and the sun symbol, it means the input power has been properly set.
Description for operating buttons
