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9. Reserve Fahrenheit display function
If the signal of remote controller is set at Fahrenheit temperature, set temperature display by dual-8 nixie tube is Fahrenheit
temperature. Set temperature range is 61~86°F.
If it needs to display indoor ambient temperature, indoor ambient temperature sent by remote controller will be display and then
temperature range is 0~60℃（32~99°F）. Display will keep the set temperature no change if received outdoor ambient temperature
signal. After displaying ambient temperature for 3s, or receiving other valid remote control signal within 3s, the unit will turn back to
display set temperature.
10. Cold plasma function
After selecting cold plasma function by remote controller and indoor fan is operating, cold plasma function will be turned on.
After turning off cold plasma function by remote controller and indoor fan stops operation, cold plasma will be turned off.
11. Turbo function
After turbo function is started, indoor fan operate at super-high fan speed. Outdoor fan operates at high frequency under cooling or
heating mode.
12.About quiet, auto quiet function:
During operation of quiet function: Indoor fan operates under quiet mode.
During operation of auto quiet function:
1. Under cooling mode: When Tindoor amb. ＞ 28℃ , indoor fan operates at fan speed 4 at first. 10min later or when indoor ambient
temperature≤28℃ , indoor fan will select fan speed 2 or quiet mode to operate according to the relationship between indoor ambient
temperature and set temperature.
2. Under heating mode: Indoor fan will select fan speed 2 or quiet mode to operate according to the relationship between indoor
ambient temperature and set temperature.
3. Under drying or fan mode: indoor fan operate at quiet mode.
4. Under auto mode, indoor fan will operate at the auto quiet mode under actual cooling, heating or fan mode.
13. Compulsory defrosting function
(1) Start up compulsory defrosting function
Under ON status, set heating mode with remote controller and adjust the temperature to 16℃ . Press "+, -, +, -, +,-" button successively
within 5s and the complete unit will enter into compulsory defrosting status. Meanwhile, defrosting indicator is ON. (Note: If complete
unit has malfunction or stops operation due to protection, compulsory defrosting function can be started up after malfunction or
protection is resumed.
(2) Exit compulsory defrosting mode
After compulsory defrosting is started up, the complete unit will exit defrosting operation according to the actual defrosting result, and
the complete unit will resume normal heating operation.
14. Refrigerant recovery function (applicable for moving the unit or maintaining the unit)
(1) Start up refrigerant recovery function
Set cooling mode with remote controller within 5min after energization, adjust temperature at 16 ℃ and press light button on remote
controller for 3 times successively to any one indoor unit within 3s and then the complete unit will enter into refrigerant recovery status.
All indoor units display Fo. Maintenance person close all liquid valves. After 5min, withstand the thimble of all checking valves with tools
one by one. If there's no refrigerant spraying out, close corresponding valve immediately, turn off the unit with remote controller and
then remove the connection pipe.
(2) Exit refrigerant recovery function
During refrigerant recovery process, if any one indoor unit receives any remote control signal or refrigerant recovery function has
operates for about 25min, refrigerant recovery function will be exited automatically. If the complete unit is at standby status before
refrigerant recovery, the complete unit will still at standby status after refrigerant recovery. If the complete unit is at ON status, the unit
will operate according to original operation mode.
After entering refrigerant recovery function: Indoor unit operates at cooling mode. Fan speed is super-high speed and set temperature
is 16°C. Horizontal will open at the minimum operation angle.
15.Dry and mildew-proof function
After setting dry function with remote controller under cooling or drying mode and then turn off the unit, indoor fan delay 2min to stop
operation to dry the fan. Horizontal louver will stop at horizontal position.
8℃ heating function (this function is realized by setting 8℃ heating signal with remote controller. Please refer to corresponding part of
remote controller in instruction manual)
8℃ heating function is only valid under heating mode. After setting is succeeded, indoor unit displays 8℃ .
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