5. Energy saving day and night light switching: Use the "Day and night
light" button to switch between day and night lights;
6. Fan OFF: Regardless of the current state of the fan, pressing the “Fan
OFF” button will stop the fan from operating. If in the heating mode,
press the "Fan OFF" button to first turn off PTC heating, and then stop
the fan operation after 30 seconds;
7. Exhaust: In exhaust mode, you can choose to run the fan in gears 1-4,
with gear 1 being the lowest speed and gear 4 being the highest gear.
Regardless of the current state, when in the heating
state, turn off the heating block and cool air first, delay for 30 seconds,
and then switch to exhaust (while adjusting the stepper motor).
8. Cooling and Heating:
8.1. Press the " Cooling " button, rotate the stepper motor to switch the
air outlet to internal circulation, turn on the fan operation, and enter
the internal circulation cooling mode; (PTC heating not activated)
8.2. Press the " Heating " button, turn on the fan for 10 seconds, and the
PTC starts heating and enters the internal circulation heating
mode; The default fan speed in heating mode is maximum
speed; (Pressing other gears in heating mode is invalid operation),
in heating mode, press the "Fan Off" button to first turn off PTC
heating, and then stop the fan operation after 30 seconds;
9. Timing function:
9.1. Timing: 1 hour, 2 hours, 3 hours
9.2. When the scheduled time expires, turn off all functions; If in heating
mode, first turn off PTC heating, delay the fan for 30 seconds before
turning off, and reset the stepper motor to the initial state of starting
and exhaust
10. Match code: Holding the Match code button within 5 seconds after
one sound of power on, until you hear Didi twice successfully matched the
code.