32
Service Manual
Technical Information
2.1 Swing
When the fan is running, if swing is set, the swing motor will swing; when swing is stopped, it will stop at the current
position.
2.2 Buzzer
Upon energization and operation, the buzzer will give out a beep.
2.3 Sleep
a) At the time of cooling, energy saving or drying, T
preset
will increase by 2 (1 ) after sleep program has been set fo
1h and it will increase by 4(2) after 2hrs. 2 hrs later, the setting temperature won’t increase any more. The upper
limit for setting temperature is 86 (30).
b) There’s no sleep function for auto mode or fan mode.
c) When setting sleep function, the sleep function will be cancelled at the time of mode switchover.
2.4 Auto Wind
a) Auto fan speed in cooling mode:
T
ambient
≥T
preset
+4 (2 ) high fan speed
T
preset
<T
ambient
<T
preset
+4 (2 ) medium fan speed
T
ambient
Tpreset low fan speed
b) The auto wind in energy saving mode: fan mode is the same at that in cooling mode.
d) It’s the low fan speed in dry mode. Only the low fan speed LED is bright and other fan speed LEDs won’t be bright.
2.5 Warning Function of Filter
When the fan has run for 250hrs accumulatively, the filter cleaning LED will be bright to remind the user to clean filter.
2.6 Timer Function
a) Timer ON: Timer ON can be set when the system is at off status. The setting time range is 0.5h~24h~0.5h and the
interval is 0.5h. When timer on is reached, the system will run at the preset mode.
b) Timer OFF: Time OFF can be set when the system is at on status. The setting time range is 0.5h~24h~0.5h and the
interval is 0.5h. When timer off is reached, the system will stop running.
2.7 Memory Func tion
System can memory the running status before power failure. System will run automatically at
the running status before
power failure after power recovery. If the system is at off status before power failure, compressor will delay for 3mins
for protection after power recovery.
2.8 LED, dual 8 nixietbe
a) In running status, when the main unit is in cooling mode, cooling LED will be bright,
b) In running status, when the main unit s in auto mode, no LED is bright, dual 8 nixietube displays the setting
temperature and the temperature can’t be adjusted.
c) In running status, when the main unit is in energy saving mode, no LED is bright, dual 8 nixietube displays the
setting temperature and the temperature can’t be adjusted.
c) The auto
wind in auto mode is controlled by the actual mode’s auto wind.
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