7
3. Control Specifications
3.1 System source
3.1.1 Signal input
Temperature sensor signal (indoor temperature , indoor coiled temperature, outdoor coiled
temperature); remote control signal; key input.
3.1.2 Signal output
LED
×
4
(SI, SCK, RCK or air refresh, operation, pause, timer); louver motor (a, b, c, d); buzzer,
compressor, 4-way reversing valve, indoor fan motor (H,M,L), outdoor fan motor, AUH, air refresh, and
other assistant functions.
3.2 Control functions
3.2.1 Switches input:
Press the Emergency button on the panel when the air conditioner is in the off mode, then the unit will
be turned on and work in the “SMART” mode. Press this button again when the unit is running (including
test run or in “SMART” mode), the air conditioner will be turned off.
Note:
All the displaying will disappear when turn off the air conditioner by pressing the Emergency button.
3.2.2 Timing off
“Timing off ” function is only effective when the air conditioner is running. The indoor unit will display “
TIMING” when this function is effective. The unit will be turned off at the set time and “ TIMING” signal will
disappear. When the user turn off the unit ahead of the set time by remote controller or Emergency button,
the “Timing off” function will be canceled.
Note:
The set time for Timing off is 1-8 hours.
3.2.3 Sleep mode:
When the sleep mode is set by remote, the set temperature will increase 1
℃
after running 1 hour in
Cooling or Dehumidifying mode. Temperature will decrease 1
℃
after running 1 hour in heating mode. Note
:
Display set temperature is unaltered
When the air conditioner runs in sleep mode, the Max. indoor fan speed is set at medium level.
Note:
The fan speed is set to be at low level, but the fan speed will turn into medium level when in
freeze-prevention mode.
3.2.4 Unit type and Power
Please refer to PIN function
Note:
After changing the unit type, the new unit type should be tested for the relevant function and
protection differently according to different unit types.