Operation
6
DEMAND operation function:
In the stop state of cooling mode, press [ON/OFF] button for 5 seconds to
enter [DEMAND] cooling operation state, the sign [DEMAND] will
display. In the 7-segmet liquid crystal screen of set temp. section, ì0î
will display in first position, which shows that No. 0 indoor unit has
enter demand operation. In the second position, ìLî will display, in
the meantime, [COOL] will flash, [FAN][AUTO] is constant on.
Press TEMP [+] [-] to set different indoor unit. Press [ON/OFF] to
cancel [DEMAND] operation.
In the stop state of heating mode, press [ON/OFF] button for 5
seconds to enter [DEMAND] heating operation state, the sign
[DEMAND] will display. In the 7-segmet liquid crystal screen of set temp. section, ì0î will display in first
position, which shows that No. 0 indoor unit has enter demand operation. In the second position, ìHî will
display, in the meantime, [HEAT] will flash, [FAN][AUTO] is constant on. Press TEMP [+] [-] to set different
indoor unit. Press [ON/OFF] to cancel [DEMAND] operation.
VENTILATION mode (only for the unit with fresh air function or heat recovery function)
Press [RECOVERY] button, then the unit will switch over the ventilation mode:
[ ] [VENTILATION][AUTO] [VENTILATION][RECOVERY] [VENTALATION][NORMAL] [
], please select appropriate ventilation mode.
Query indoor malfunction history:
In the state of power on or power off, press [CHECK] button, enter the malfunction-querying mode of all
indoor units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual indoor numbers will
be displayed in some sequence (unit number is in decimals). At the same time, in the time region, there will
be the current malfunction and the latest time malfunction, the displaying format is [XX:YY], in which XX
stands for the current malfunction, if normal, it will display ì--î; YY stands for the latest time malfunction.
The failure code of every unit will display for 3 seconds. After the failure codes of all indoor units in the
whole group are displayed, the mode will quit automatically.
Clear abnormal state and malfunction history:
In normal state, press [CHECK] button for 5 seconds to clear abnormal states, at the same time, wired
controller will send the data of ìclear abnormal stateî, but the malfunction history still retains.
In normal state, press [CHECK] button for 15 seconds, except for malfunction states, the malfunction history
in wired controller will be cleared.
FILTER ELEVATING function: (only for the unit with elevating function)
In power off state, press [FILTER] for 5 seconds to enter filter elevating set state. In this state, the sign
[FILTER] will flash at the frequency of 2Hz. By pressing [+] TEMP [-], filter can go up or down. Press TEMP
[+], in timer section [UP] will display, while press TEMP [-], in timer section [DOWN] will display. Press
[FILTER] button to quit the mode.
