In defrosting period, indoor fan motor will stop running;
In heating mode, if unit shutoff, indoor fan motor will stop after running for 30 seconds at
super low speed.
Note: The above temp. point has taken fuzzy control, and has tolerance
±
2
℃
according
to the different state.
10. Fan motor control in defrosting
10.1 On receiving outdoor defrosting signal, indoor unit will stop after blowing remaining
heat at slow speed for 20 seconds.
10.2 In defrosting period, indoor fan motor stops running.
10.3 Defrosting is over, and indoor motor will run as anti-cold air state.
11. Blowing remaining heat operation
When the unit shuts off in heating mode or the thermostat is OFF, indoor motor will stop
running after running at super low speed for 30 seconds.
12. Anti-freezed protection (invalid in heating mode)
When compressor has run for over 5 minutes, to prevent indoor evaporator freezing (in
cooling/dry mode), if indoor mid-coil temp. is below 0 degree, compressor will stop. When
indoor mid-coil temp. is over about 10 degree, the unit can run. After compressor has
stopped for 3 minutes, the unit can re-start up.
Note: The above temp. point has taken fuzzy control, and has tolerance
±
1
℃
according
to the different state.
13. Overload protection in heating mode
It is valid only in heating mode, if indoor mid-coil temp. is over about 65 degree
continuously for 10 seconds, indoor will stop; while when indoor mid-coil temp. is below 52
degree, indoor will resume.
Note: The above temp. point has taken fuzzy control, and has tolerance
±
1
℃
according
to the different state.
14. Timer operation
TIMER ON/TIMER OFF/TIMER ON/OFF. Timer will count according to the time difference
between the TIMER clock and the present clock. In TIMER state, TIMER indicator will be
ON.
15. SLEEP function
In cooling/dry mode, after running for 1 hour, the set temp. will increase 1
℃
, another 1
hour later, the set temp. will increase 1
℃
again, then 6 hours later, it will stop.
In heating mode, after running for 1 hour, the set temp. will reduce 2
℃
, another 1 hour
later, the set temp. will reduce 2
℃
again, then 3 hours later, the set temp. will increase 1
℃
, and another 3 hours, it will stop.
16. Auto-restart function
In 5 seconds, press SLEEP button 10 times continuously, the buzzer will sound 4 times
and enter auto-restart function. In 5 seconds, press SLEEP 10 times continuously, the
buzzer will sound twice and quit auto-restart function. If no SLEEP button, press SWING
as the same method.
17. Setting indoor unit number
In OFF state, press emergency switch until 15 seconds later, the buzzer sounds 4 times,
indoor will enter the indoor unit number setting state, the set method is as follow:
-57-
Commercial Air Conditioner
Model: AU18
/22
2XFERA
AS072/092/122XVERA
