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Haier HSU-12LNA/022L(W) Operational Manual page 15

Split type on-off room air conditioner

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Operation
Update Sleep mode
Press sleep button ten times with in 5 sec if
you will hear 4 times (pi) sound then it is
activated and if you hear 2 times (pi) sound
then sleep mode is deactivated.
In COOL mode
One hour after SLEEP mode starts, temp. will
O
become 1 C higher than temp. setting. After
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running for another 1 hour, temp. rises by 1 C
further. Unit will run for 6 hours then stops
automatically. Temp. is higher than temp.
setting so that room temp. won't be too low for
your sleep. (As shown in Fig. 1)
In HEAT mode
One hour after SLEEP mode starts, temp. will
O
become 2 C lower than temp. setting. After
running for another 1 hour, temp. decreases by
O
2 C further. Unit will run for 3 hours at this temp.
O
Then increases another 1 C and stops
automatically 3 hours later. Temp. is lower than
temp. setting so that room temp. won't be too
high for your sleep. (As shown in Fig. 2)
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Operation
Power Failure Resume Function
Only some of the models have this function.
If the unit is started for the first time, the compressor will not start running unless 3
minutes have elapsed. When the power resumes after power failure, the unit will run
automatically, the power indicator lights up, and 3 minutes later the compressor starts
running with the indicator lighting up.
Note: In AUTO mode unit will run in SLEEP function according to operation
mode. In FAN mode, comfortable sleep is not available.
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