DC Inverter Duct Type Air Conditioner  Installation and Operation Manual
5
2. Buttons
2.1 Silk Screen of Buttons
Fig.3 Silk Screen of Buttons
2.2 Instruction to Function of Buttons
Table 2 Instruction to Function of Buttons
No. Description Function of Button
1 Enter/Cancel
①
 Function selection and canceling;
②
 Press it for 5s to enquiry the outdoor ambient temperature.
2 ▲
①
 Running temperature setting of indoor unit, range :16
~
30°C
②
 Timer setting, range:0.5-24hr
③
 Switchover between quiet/auto quiet 
6 ▼
3 Fan Setting of high/middle/low/auto fan speed
4 Mode Setting of cooling/heating/fan/dry mode of indoor unit
5 Function Switchover among these functions of air/sleep/turbo/save/e-heater/blow/quite
7 Timer Timer setting
8 On/off Turn on/off indoor unit
4 Mode
and
2 ▲
Memory 
function
Press Mode and ▲for 5s under off state of the unit to Enter/Cancel key memory function 
(If memory is set, indoor unit will resume original setting state after power failure and then 
power recovery. If not, indoor unit is defaulted to be off after power recovery. Memory 
function is defaulted to be set before outgoing.)
2 ▲
and
6 ▼
Lock
Upon startup of the unit without malfunction or under off state of the unit, press ▲ ▼ key 
at the same time for 5s in to lock state. In this case, any other buttons won’t respond the 
press. Repress ▲ ▼ key for 5s to quit lock state.