ICE EX04-18 Heat I&O Manual 06/2020 Rev.1
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3.6 Self-Test
The unit provides the self testing function for the onsite test. The self testing procedures
are as follows:
1. The indoor fan speed 50% run 30 seconds.
2. The indoor fan speed 100% run 30 seconds.
3. The external fan speed 50% run 30 seconds.
4. The external fan speed 100% run 30 seconds.
5. The external fan stops, if the optional electric heating, electric heating operates for
2 minutes.
6. Electric heating stops for 10 seconds, if the unit is equipped with the optional
emergency fan, the fan will run for 1 minute.
7. The unit then returns to normal operation.
3.7 Operational Menu Structure
The unit controller utilizes a 96x32 LCD, which contains 7 buttons for adjusting the
settings. The operation interface is as shown in the following figure.
ON/OFF
ENTER
ESC
Figure 6. Control Interface
ON/OFF:
ON/OFF
Button, (long press this button, about 4s) this can be used to turn
on/off the unit.
Up
Button, which is used to select the previous record/menu or increase the
setting value (password only).
Down
button, which is used to select the next record/menu or decrease the
setting value (password only).
Left
button, which is used to increase the setting value during the parameter
setting or select the previous bit of the data during the password setting.
Right
button, which is used to decrease the setting value during the parameter
setting or select the next bit of the data during the password setting.
ENTER:
ENTER
button, which is used to confirm the entry.
ESC:
Quit button, which is used to return to the previous page menu.
If there is no keyboard operation for a continuous 60 seconds, it will automatically
return to the normal display interface.
When any button is pressed after the system is powered up, the backlight will turn on. If
there is no keyboard operation for a continuous 60 seconds, the backlight will turn off.
