Nobu NBL4-09IDU32 Service Manual page 22

Wall mounted air-conditioning unit
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In winter, absence function can keep the indoor ambient temperature above 0ºC to avoid freezing.
Note: Absence function is only available in heating mode and it will be exited when switching mode or setting sleep function.
Lift the cover along the direction of arrow (as shown in Fig 1①).
(1).
Take out the original batteries (as shown in Fig 1②).
(2).
(3).
Place two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar
and " -" polar is correct (as shown in Fig 2
Reinstall the cover (as shown in Fig 2④).
(4).
Fig.1
Notes:
①.
The remote controller should be placed 1m away from the TV set or stereo sound sets.
②.
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③.
If you need to control the main unit, please point the remote controller at the signal receiving window of the main unit to improve
the receiving sensibility of main unit.
④.
When the remote controller is sending signal, "
control signal, it will give out a sound
⑤.
If the remote controller does not operate normally, please take the batteries out and reinsert them after 30 seconds. If it still
can't operate properly, replace the batteries.
⑥.
When replacing the batteries, do not use old or different types of batteries, otherwise, it may cause malfunction.
⑦.
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" icon will be blinking for 1 second. When the main unit receives valid remote
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Service Manual
Service Manual
Technical Information
Technical Information

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