11
7.1.2.3.3
Protection Function
Anti-high temperature protection
when detecting evaporator tube is very high, outdoor fan will stop running; when detecting temperature is normal, outdoor fan will
return to run.
Electrical Noise protection
When "RUN/STOP" is used to turn off the unit, the 4-way valve will delay 2min to stop, or there will be 2 minutes of delay in the
mode switching.
Over current protection
Over current protection is the same with the over current in Cool mode.
7.1.2.4 Fan mode
In Fan mode, only the indoor fan is running.
7.1.2.5 AUTO mode
In this mode, the system will automatically select its running mode based on the change of the ambient temperature (cooling, dry ,
heating and air supply) The protection function as HEAT/COOL mode.
7.1.3 Other control
7.1.3.1 Sleep Function
In Cooling or Dry mode, when the set sleeping has run for 1 hour, Tset will rise 1
; 2 hours later, Tset will rise 2
.
The defrosting time is 10min for the first time power on and the defrosting time afterwards depends on the practicalfrost condition,
the more the frost, the longer the defrosting time(Max. 12min. Min. 3min), Exit from the defrostingmode if the frost removal is ended.
In Heating mode, when the set sleeping has run for 1 hour, Tset will decrease 1
; 2 hours later, Tset will decrease 2
.
.
.
.
.
The temp. has decreased 2
within two minutes. Then the unit will run at this setting temperaure.
7.1.3.2 Swing motor control
After the power is turned on, the stepping motor will return back to 0 position and close the air outlet vent;After the power is turned
on, if there is no Swing function be set, the up and down guide louvers will turnto horizontal position. In case when unit is turned
on, Sing function is set at the same time, that the guide louver will swing between L and D. When unit is turned off, the guide louver
will be turned off. Indoorfan will stop to run, guide louver will stop at once at the current position, and stop swing; after indoor fan
resumed to runthe guide louver will continue to swing.
Outdoor Fan
Min.
Min.
Min.
Compressor
Indoor Fan
4-way Valve
Running
Stop
Druing Defrosting
Setting Temperature
Set
Set
Set
Set
hour
hours
hour
Above
Hour
Hour
Above
Hour
Set
Set
Set
Setting temperature
Set
The set temperature of the sleep function of the auto mode does not change.
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