48 PB
OPERATION
Unit Function
1. Major general technical parameters
• Remote receiver distance (front of the air conditioner): 25 feet.
• Remote receiver angle: Less than 60 degrees.
• Temperature control accuracy: ±2.4°F.
• Time error: Less than 1%.
2. Functions of the controller
• Display panel
Control functions of the remote controller
Display of the indoor unit
Information on the screen:
Displaying Scheme:
7-segment tube Display set temperature or indoor temperature , and diagnostic codes. A diagnostic code is displayed according to the signal from
the indoor CPU. The error code will flash for 5 seconds while displayed.
Running LED It is on during operation. It is flashing when the unit defrost.
TIMER LED When the timer mode is on, the LED will be lit.
Sleep LED When the sleep mode is on, the LED will be lit, and after 10 seconds, the LED will be off.
Compressor LED lights up when compressor is running.
Remote control receiver This section receives signals from the remote control.
3. Control function
Auto Start switch
If the appliance under the Stand-by state, all the Operation Mode, Air volume, Temperature Setting , Forced Cooling function will be restored to
the last setting when you press on the “ON/OFF” button, but will lose the Air flow direction setting.
When the appliance is connected to the power for the first time, it will operate in the auto mode, It will stay in stand-by state if you press the “ON/
OFF” button during the normal operation.
When the appliance is in the Stand-by state, press and hold the emergency switch for 5 seconds, the buzzer rings once, it will operate in cooling
mode, and the indoor fan speed is set to high-speed. Room temperature will not affect indoor fan speed in standby mode.
When the emergency switch is pressed or receives the signal of the remote control, it will exit this mode, and it will operate with the
corresponding order.
• Operator-machine communication
If the unit has I feel function, when the I feel function is set by the remote control, the room temperature will depend on the remote control and it will be
detected by the sensor of the remote control. Normally the remote control will automatically transmits a signal at an interval of 10 minutes only for H1
remote control, it is 9 minutes, but if the room temperature changed exceed 2.4˚F in a short period of time, the remote control will transmits a signal
within 2 minutes. If the indoor unit has not received a remote signal within 30 minutes, the room temperature will depend on the room temperature
sensor of indoor unit.
• Timer function
Real time of Timer setting
(1) The max Timer ranges is 24 hours.
(2) Timer ON/OFF
(3) Timer ON/OFF can be set available in turn.
(4) The Timer accurate by more than 97%
(5) The Timer can be adjusted by 1 min increments.
(6) The appliance can set the ON-Timer and OFF-Timer at the same time, but no timer setting indicated.
• Sleep
(1) The Sleep mode can only be set during Cool, Heat and Dry mode.
(2) When the appliance runs in Sleep mode, it will stop after 8 hours operation, then it will cancel the Sleep setting. When the appliance operates
under the OFF-Timer setting condition, if the OFF-Timer setting less than 8 hours, it will keep the Sleep mode until the OFF-Timer setting; if the
OFF-Timer setting is more than 8 hours, it will cancel the OFF-Timer setting after the Sleep mode is OFF.
(3) When the Sleep mode is selected in cooling mode, if the room temperature not less than 79°F, the set temperature will not be adjusted,
otherwise, the setting temperature will be raised by 1˚F per hour, but the max setting temperature raise is 1˚F.
(4) When the Sleep mode is select with Heat mode, the setting temperature will be decreased by 1˚F per hour during the successive 3 hour, but
the max setting temperature decrease is 3˚F.
(5) When the appliance operates in Sleep mode, the indoor fan runs in the LOW setting, and the air flow direction is same as the last setting and
the temperature and air flow direction can be adjusted by user. The Running indicator will be flashed 10 times per 1 Hz frequency, then all the
indicators turn OFF except the Sleep light after 5 min elapse. Those indicators will recover when the temperature or Time setting is adjusted,
after the setting, the indicators will be lit for 10 sec, then turn OFF.
• Automatic run (SMART) mode
When the appliance operates in smart, the air flow direction can be adjusted.
(1) When the set temperature is 79°F, the appliance will run in cool mode if the room temperature exceeds 79°F.
(2) When the room temperature exceeds 73°F, but below 79°F, it will run in the Dry mode(It will turn on automatic setting after 3 min LOW
air volume running.).
(3) When the room temperature exceeds 70°F, but below 73°F, it will operate in the Fan only mode, the air volume is set by LOW and the
fan speed can be adjusted
(4) When the room temperature is not more than 70°F, it will operate in Heat mode, and the temperature is set to 72°F.
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