Haier HSU-18HEA03/R2(DB)-I User Manual

HSU-18HEA03/R2(DB)-I
Funcitions and Control
Domestic Air Conditioner
15
5.1.9.2 Under the heating mode, after the setting of the dormant operation, the et temperature will fall 2
centigrades after 1 hour’s operation and will fall 2 centigrades 1 hours later. 3 hours after the preceding
operations, the set temperature will be raised for 1 centigrade and the system will keep this status for 3
hours and then close down.
5.1.9.3 During the dormant time, except the change of the system mode or a new press on the dormant
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other keys will not affect the original timing.
5.1.9.4 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 to
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.
5.1.10 Urgent on/off input
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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 the
test operation.
Under the system off mode, If you press the urgency key 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 urgency key will stop it.
Under the system off mode, the display screen will show automatic running sign.
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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 you
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 works
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centigrade and coil temperature 16 centigrade information to the outdoor system.
Test operation
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The temperature control doesn’t work.
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5.1.11 Low load protection control
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if the indoor heat interaction temperature is below zero centigrade for 5 minutes, but the fan will continue
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7 centigrade and the system has been stopped for 3 minutes. The malfunction will be stored in the
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5.1.12 High load protection control
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Haier HSU-18HEA03/R2(DB)-I Specifications

General

Brand	Haier
Model	HSU-18HEA03/R2(DB)-I
Category	Air Conditioner
Language	English