the setting. If the fan is at the medium speed before the sleep setting, the speed will be turned to low after
the setting. If the fan is at the low speed before the sleep setting, the speed will not change.
7. manual switch input
7.1 Press the manual switch the buzzer will ring. The system will enter the automatic mode if you don’t press the
button for more than 5 seconds.
Under the system off mode, if you press the manual switch for 5 to 10 seconds, the system will start the test
operation.
Under the system off mode, If you press the manual switch for 10 to 15 seconds, the display screen will show the
resume of the last malfunction.
If the system is under operation, the press on the manual switch will stop it.
Under the system off mode, the display screen will show automatic running sign.
Under the system off mode, the system will not receive the remote control signal if the press on the manual
switch doesn’t last for 15 seconds or if the key is loosened.
7.2 emergency operation: If you press the manual switch for less than 5 seconds, the buzzer will
ring when you press the manual switch. The system will enter the emergency operation when the
manual switch is loosened. The emergency operation is fully automatic.
7.3 Test operation.
a. The inlet temperature sensor doesn’t work, the indoor fan and the indoor air direction
board motor works synchronically. High speed airflow, cooling, outdoor system on, etc,
will send the ambient temperature 30 centigrade and coil temperature 16 centigrade
information to the outdoor system.
b. Test operation
The defrost protection of the evaporator doesn’t work.
The temperature control doesn’t work.
c. The test operation will be finished in 30 minutes.
d. The test operation can be stopped by the relative commands from the remote control.
8. Low load protection control
In order to prevent the frosting of the indoor heat interaction device, the outdoor
system will be stopped if the indoor heat interaction temperature is below zero
centigrade for 5 minutes, but the fan will continue to operate. The outdoor system will
be started again when the heat interaction temperature is above 7 centigrade and the
system has been stopped for 3 minutes. The malfunction will be stored in the malfunction
resume and will not be revealed.
9. High load protection control
The outdoor system will be stopped if the coil temperature is above 65℃ for 2 minutes.
The indoor fan will be controlled by the thermostat. The outdoor system can be restarted
when the coil temperature is below 42℃ and the system has been stopped for 3 minutes.
The malfunction will be stored in the malfunction resume and will not be revealed.
10.
Abnormal operation of indoor system
When the outdoor system operates, if the indoor system operation differs from the outdoor system, the abnormal
Air Conditioner
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