setting. Then press    again to enter Timer Off setting of Timer group 1 
ü  After that, press    to confirm the Timer setting. Then press    or    to 
enter into setting of Timer group 2, the setting process is the same to Timer group 1. 
ü  The No. of Timer group will be showed on the main interface if the setting is valid. 
ü  If the Timer on & Timer off is the same in one Timer group, then this Timer setting is 
invalid. 
ü  You can press    or no operation for 30 seconds to confirm the setting. 
l  Lock and Unlock 
ü  If  there  is  no  operation  for  60  seconds,  the  controller  will  enter  sleep  status  and  the 
screen will be automatically locked. The screen “lock key” icon will be on. 
 
ü  In the locked status, click any button to light up the screen. After pressing and holding 
the “ON/OFF” key for 5 seconds, the buzzer “Di” sounds, the key is unlocked, and the 
“lock key” icon turns off. 
 
l  Restore to factory parameter settings (can be set only when heat pump is OFF) 
ü  In the main interface of the heat pump off, press and hold    and    at the 
same time for 5 seconds to restore the heat pump to factory default parameter settings. 
All the parameters will return to default value.