16
6.4.3 Refrigerant Recovery Function
Enter refrigerant recovery mode: turn on the unit within 5 min after energization and at 16°C cooling mode. Press remote
controller light off button successively for 3 times within 3s and the unit will enter refrigerant recovery mode, displaying
Fo
.
The signal will be sent to the outdoor unit.
Exit refrigerant recovery mode: during refrigerant recovery, if any signal from remote controller is received or refrigerant
recovery lasts for 25min, it will exit this mode.
Action of entering refrigerant recovery mode: the indoor fan will operate in Cool mode. The fan speed is high and set
temperature is 16°C. The horizontal louver will be at the smallest angle.
Action of exit refrigerant recovery mode: the indoor fan will operate according to the last remote control setting.
6.4.4 Pre-operation Function
When Cool mode at 30°C is set, press “-, +, -, +, -, +” successively for 3s, it will enter pre-operation mode. The signal will
be sent to the outdoor unit.
Pre-operation mode: it performs cooling operation (indoor fan does not operate) and display “
dd
”. After exiting pre-
operation mode, the indoor unit will stop displaying “
dd
”. If the signal of “wrong wire connection or expansion valve
malfunction” is received, “
dn
” will be displayed.
6.4.5 Mode Conflict
When the mode of started unit is different from that of operating unit, the indoor unit will display mode conflict code “
E7
”.
