Delta 80SF040J24, Instruction Manual, Page: 9 / 24

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(3) Keypad Lock
Under normal “ON” and “OFF” status, press ▲ and ▼ simultaneously for 5 seconds, the
keypad will be locked., the keypad will be locked, in which case the press on any other key will get
no response. Then, another press on these two buttons will unlock the keypad.
(4) Memory
Under the “Off” status of the unit, it is available to switch the memory mode by pressing “Mode”
and “▲” simultaneously.
When “88” LED displays “ON”, it indicates the memory function is activated; if “OF” is displayed,
it indicates that the memory function is deactivated. When the memory setting page comes out, it
can quit five seconds later or by pressing the “ON/OFF” key.
(5) Setting of the wired controller
The unit defaults to be controlled by control panel instead of wired controller.
Under the “Off’ status of the unit, by pressing the buttons “Mode’ and “Speed” simultaneously, it
is available to set if the unit can be controlled with or without wired controller..
When “88” LED displays “E6” and the wired control is in normal status, it indicates the unit
is the control of the wired controller rather than the buttons on the control panel and the remote
controller.
When “88” LED is in the normal status and the wired controller displays “E6”, it indicates the
unit is controlled by control panel and the remote controller rather than wired controller.
(6) Setting of the host/slave indoor unit
Under the “Off” status of the unit, it is available to switch the master and slave status of the unit
by pressing the key “Mode” for five seconds.
When “88” LED displays “HO”, it indicates this indoor unit is set to be master unit.
When “88” LED displays “CH”, it is regarded as the slave unit as it is an invalid host unit.
When “88” LED displays “SL”, it indicates this indoor unit is set to be slave unit.
(7) Enquiry of the unit status, host or slave
Under the “Off” status of the unit, it is available to equity the unit status, host or slave, by
pressing the key ‘Speed”. “HO” indicates it is the host unit, while “CH” or SL” indicate it is the salve
unit.