Operation

Emergency and Test Operation

Emergency operation:

Use this operation only when the remote controller is defective or lost.

When the emergency operation switch is pressed,the" Pi "sound is heard once, which means the start of this operation.

In this operation, the system automatically selects the operation modes, cooling or heating, according to the room temperature.

Temperature

Operation

Designated

Timer

Air flow

 

mode

temperature

mode

 

 

 

 

 

 

ABOVE 21OC

COOLING

24OC

NO

AUTOMATIC

 

 

 

 

 

BELOW 21OC

HEATING

24OC

NO

AUTOMATIC

 

 

 

 

 

It is not possible to operate in dry mode.

Test operation:

Test operation switch is the same as emergency switch.

Use this switch in the test operation when the room temperature is below 16OC, do not use it in the normal operation.

Continue to press the test operation switch for more than 5 seconds. After you hear the "Pi" sound twice, release your finger from the switch: the cooling operation starts with the air flow speed "Hi".

After 30 minutes, test operation ends automatically.

Removal of the restriction of emergency or test operation

Press the emergency operation switch once more, or manipulate through the remote controller; the "Pi" sound, the emergency or test operation is terminated.

When the remote controller is manipulated, it gets the system back to the normal operation mode.

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Haier HSU-09R04, HSU-12R04, HSU-18R04, HSU-24R04 operation manual Removal of the restriction of emergency or test operation