Airwell YCV280, Installation And Maintenance Instructions Manual

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3) In compulsory operation, only “ON/OFF”, “TEMP +”, “TEMP –“ can be set.
4) Only “ON/OFF” can cancel this control.
5) The indoor units in one group will enter or quit the trial operation at the same time.
8.9 Filter elevating function: (only for the unit with elevating function)
In power off state, press [HEALTH] for 10 seconds to enter filter elevating set state. In this
state, the sign [FILTER] will flash and [UP] [DOWN] will display simultaneously, Press TEMP
[+], in timer section [UP] will display, while press TEMP [-], in timer section [DOWN] will display.
When it arrives the appropriate position, press [UP], [UP][DOWN] will display simultaneously,
filter will stop going down. Press [UP] again, filter will go up. Press [FILTER] button to quit the
mode.
8.10 Auto-restart function (optional)
The following states will be memorized: mode, air flow, set temperature, TIMER ON/OFF,
failure history. After being electrified again, the above states will be resumed. If there is TIMER
OFF, the unit will shut off.
8.11 Central control
In the central mode, the buttons on wired controller except for ON/OFF, CLOCK, CHECK,
TEMP+/- are invalid. When not receiving the central signal from indoor, [CENTRAL] will not
display (central function is cancelled). When receiving the central signal from indoor,
[CENTRAL] icon will flash at frequency of 1Hz; in this mode, only CHECK, QUERY, and
FILTER are valid.
8.12 Communication failure
After wired controller sends data to indoor, if not receiving the signal from indoor within
continuous 4 minutes, communication failure will be alarmed. Failure code is 07, press CHECK
and it will display No. 1 at temperature area, also display failure code at left of time area. If
communication failure is solved or there is new failure, 07 will display on right of time area.
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