19
Technical Information
Service Manual
(4) Sleep function
In this mode, the unit will automatically select appropriate sleep curve to operate according to different set temperature.
1. If sleep function is set in cooling, the system will increase set temperature automatically for operation in a certain degree.
2. If sleep function is set in heating mode, the system will decrease set temperature automatically for operation in a certain degree.
(5) Timing function
The main board integrates general timing and moment timing. Such two timing functions can be selected through a remote controller on
which different functions are arranged.
1. General timing:
Timing start:
timing start can be set when the unit is off. When preset time is reached, the controller will operate in a preset mode. Timing
can be set at an interval of 0.5 hour in a scope of 0.5 - 24 hours. Timing stop: timing stop can be set when the unit is on. When preset time
is reached, the system will be turned off. Timing can be set at an interval of 0.5 hour in a scope of 0.5 - 24 hours.
2. Moment timing
Timing start:
if timing start is set when the system is at operation state, the system will continue to operate; if timing start is set when
the system is at stop, as the preset time is reached, the system will start to run in preset mode. Timing stop: if timing stop is set when the
system is at stop state, the system will keep standby; if timing stop is set when the system is in operation, as the preset time is reached,
the system will stop running.
Timing change:
When the system is in timing mode, start and stop can be set through the On/Off button on the remote controller; or timing time can be
reset and the system will operate according to the latest setting. When the system is in operation and both timing start and stop are set, the
system will stay at currently set operation state. When preset timing stop time is reached, the system will stop working. When the system is
at stop state and both timing start and stop are set, the system will keep at stop state. When preset timing start time is reached, the system
will start operation. From then on, the system will operate in preset mode at a preset start time and stop at a preset stop time everyday. If
timing stop time is set as the same as timing start time, a stop command will be executed.
(6) Dry and mildew proof function
Dry and mildew proof function can be set in cooling and dehumidification modes.
(7) Control of indoor fan
Indoor fan can be set at four levels, super-high, high, middle and low, with a remote controller. When one level is set, the fan will thus
operate at such level. The fan can also be set at auto state.
(8) Power-failure memory function
What will be memorized includes modes, up and down wind blow, light, preset temperature, preset wind speed, general timing (no
memory for moment timing), and Fahrenheit /Celsius degree. When the unit is powered on again after power failure, operation continues
according to memorized content. If timing is not set by the last remote control command, the system will memorize the last remote control
command and operate in the mode specified in the last remote control command. If timing is set by the last remote control command and
power failure happens before the preset time, the system, as powered on again, will memorize the timing function set by the last remote
control command. Timing will be re-counted from the time at which the system is powered again. If timing is set by the last remote control
command and timing of start or stop is reached before power failure, the system, as powered on again, will memorize operation state
before power failure and will not perform timing action. Moment timing is out the range of memory.
(9) Locked Protection of PG Motor
When starting up the fans, if the motor has run at a lower speed continuously for a period, for preventing automatic protection of the motor,
stop running, and display the locked operation; if the machine is running at present, the code of the locked fault---H6 of double-eight digital
tubes will be displayed; if the machine is shut down at present, the information of the locked fault will not be displayed.
(10) Super Power Function
In cooling and heating modes (automatic, dehumidifying and air-supplying modes are without strong power), press the button of Super
Power, the wind speed on the remote controller is displayed as super-high air flow, and the inner fans are also turned to super-high air flow;
(11) Health Function
When the inner fans are running, the remote controller is set at the Health function at this time (if there is no Health button on the remote
controller, the Health On order is defaulted), then start the Health function device.
(12) Fault Detection of Thermo-bulb
1. Indoor Environment Thermo-bulb:
Detect the fault of thermo-bulb at any time;
2. Indoor Pipe Temperature Thermo-bulb:
During the defrosting period, the fault of the thermo-bulb will be not detected, which shall be detected in 5 minutes after defrosting is
completed; the fault of the thermo-bulb will be detected at other times;
