Service manual

03――The fresh air will open 18 minutes for every 60-min. continuous operation of the unit.
04――The fresh air will open 24 minutes for every 60-min. continuous operation of the unit.
05――The fresh air will open 30 minutes for every 60-min. continuous operation of the unit.
06――The fresh air will open 36 minutes for every 60-min. continuous operation of the unit.
07――The fresh air will open 42 minutes for every 60-min. continuous operation of the unit.
08――The fresh air will open 48 minutes for every 60-min. continuous operation of the unit.
09――The fresh air will open 52 minutes for every 60-min. continuous operation of the unit.
10――Full-open
After adjusting the FRESH mode, you may press ON/OFF button to confirm so that the system will save
the number. After that, the unit will run per this FRESH mode. The factory default setting is “0”, which
means that the fresh air is under closed status. If turning on the unit under this circumstance, the
FRESH will not be shown on the LCD.
If the user has set the FRESH mode, the FRESH on the LCD will keep appearing under turn-on state,
regardless of the operational mode of the system.
The FRESH setting will not be cleared if the unit is re-energized after a power failure.
7.2.8 Save-Energy Setting (Fig. 7-9)
Under turn-off state, you may simultaneously hold down “FAN”+“▼” buttons for 5 seconds to call out the
SAVE-ENERGY setting menu. In this case, the “SAVE-ENERGY SETTING”“COOL” will be displayed.
(For the first time of setting, the initial value, i.e. 26 , will be displayed). Displayed in the temperature ℃
setting area is the lower limit temperature, and the temperature under setting will blink. Use “▲” or “▼” to
set the lower limit of cooling temperature (setting range: 16-30) and press ON/OFF button to confirm.
Use “▲” or “▼” to set the upper limit of cooling temperature (setting range: 16-30), which will blink in the
environment temperature area. Press ON/OFF button to confirm.
Take care that the upper limit temperature must not be lower than the lower limit temperature setting. If
the upper limit temperature is lower than the lower limit, the system will automatically default the higher
one as the upper limit temperature and the lower one as the lower limit temperature. Press MODE button
to complete the SAVE-ENERGY setting under COOLING and DRY mode and turn to the
SAVE-ENERGY setting under HEAT mode (This function unavailable for cooling-only unit), in which
case the ‘’S
AVE-ENERGY SETTING”“HEAT’’ will be displayed. After completing the setting, you may
again press and hold “FAN”+“▼
” buttons for 5 seconds to exit the SAVE-ENERGY setting. Once the
SAVE-ENERGY setting interface is called out, if there is no operation within 10 seconds after the system
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