Functions and Control
Domestic air conditioner
operations, the set temperature will be raised for 1 centigrade and the system will keep this status for 3
hours and then close down.
2.3 During the dormant time, except the change of the system mode or a new press on the dorman
t
setting keys, the timing of the 8 hours dormancy will take the first timing as the start time, any presses
on other keys will not affect the original timing.
2.4 Indoor fan control under the dormant operation.
If the indoor fan is at the high speed before the dormant operation setting, the speed will be turned t
o
medium after the setting. If the fan is at the medium speed before the dormant setting, the speed will be
turned to low after the setting. If the fan is at the low speed before the dormant setting, the speed will not
change.
7.1.10 Urgent on/off input
Press the urgency button 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 urgency key for 5 to 10 seconds, the system will start th
e
test operation.
Under the system off mode, if you press the urgency key for 10 to 15 seconds, the display screen wil
l
show the resume of the last malfunction.
If the system is under operation, the press on the urgency key 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 th
e
urgency key doesn’t last for 15 seconds or if the key is loosened.
Urgency operation: If you press the urgency key for less than 5 seconds, the buzzer will ring when yo
u
press the on/off key. The system will enter the urgency operation when the urgency key is loosened.
The urgency operation is fully automatic.
Test operation.
The inlet temperature sensor doesn’t work, the indoor fan and the indoor air direction board motor work
s
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.
Test operation
The defrost protection of the evaporator doesn’t work.
The temperature control doesn’t work.
The test operation will be finished in 30 minutes.
The test operation can be stopped by the relative commands from the remote control.
7.1.11 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 1℃ 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 9
centigrade and the system has been stopped for 3 minutes. The malfunction will be stored in the
malfunction resume and will not be revealed
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