• When the system contains both the centralized controller and wired controller at the same
time, the centralized controller can lock the indoor unit so that some of its functions become
unavailable. If the indoor unit is locked by the centralized controller, and the display icon of
the wired controller " " is on, and some operations fail to respond, please check the
corresponding setting of the centralized controller.
• When the wired controller locks the temperature range by itself, the icon " " will light up,
but the outer frame " " will be off. When the temperature range is locked by the centralized
controller, the lock icon " " and the outer frame " " will both light up at the same time.
When two locks exist, the interval for the alternating display is 5 seconds.
4-6 Clean Filer Reminder
Figure 6.17
Figure 6.18
• When the operating time reaches the preset time, the Filter icon " " lights up to remind
users to clean the filter.
• Press and hold (Swing) button for 5 seconds to remove the Filter icon " ".
• Go to "Field Setting" to turn on/off this function or preset time of this function.
• The secondary wired controller has no clean filer reminder function.
4-7 Locking Function
23
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