Service Manual
Technical Information
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b. Auto fan speed under energy saving mode or fan mode is as that under cooling mode.
c. If under dry mode, the auto fan speed will be always low speed. Only LED lamp for low speed is on.
2. 5 Alarm for Cleaning Filter
After the cumulative running of fan reaches 250h, the LED lamp of cleaning filter is on to remind customer of cleaning filter.
2.6 Timer Function
a. Timer on: it can be set when the unit is turned off. Set time range of timer is 0.5h~24h. The interval of each setting
is 0.5h. When timer on is reached, the unit will operate at set mode.
b. Timer off: it can be set when the unit is operating. Set time range of timer is 0.5h~24h. The interval of each setting
is 0.5h.When timer off is reached, the unit will be turned off.
2.7 Memory Function
When the unit is energized again after power failure, it will resume the previous operation status. If the unit is
operating when power failure occurs, the compressor will be started up in 3 min later as the unit is energized again.
2.8 LED lamp, “Dual 8” NixieTube
a. When the unit is operating in cooling mode, LED lamp of cooling will be on.
b. When the unit is operating in fan mode, LED lamp of fan mode will be on and “dual 8” nixie tube will display
ambient temperature. The temperature can’t be adjusted.
c. When the unit is operating at energy-saving mode, there is no LED lamp that will be on and “dual 8”nixie tube will
display ambient temperature. The temperature can be adjusted.
d. Under fan mode, the LED lamp for fan mode will be on while under dry mode, the LED lamp for dry mode will be
on.
e. When fan speed is low, medium or high, the corresponding LED lamp (indicating low, medium or high speed) will
be on. If it is auto fan speed, the LED lamp of auto fan speed will be on.
d. When timer is set, the LED lamp of timer will be on. When the unit is under heating mode, the LED lamp for
heating mode will be on.
2.9 Set Temperature
a. The temperature can be set by button “ UP/DOWN” and the set temperature will be displayed on nixie tube. If
pressing “UP/DOWN” button for long time, the set temperature will be increased rapidly.
b.
or
can be switched on nixie tube by pressing buttons “UP” and “down” simultaneously for 3 seconds.
2.10 Button
a. ON/OFF button is used for turning on or turning off the unit. When the unit is turned off, press this button to turn on
the unit; when the unit is turned off, press this button to turn on the unit.