Parts and Functions
Key
ON/OFF
Adjusting key for temperature, clock, timer, sleeping adjustment, temp. compensation and energy
saving;
Inquiring key for detail parameter and malfunction inquiry;
Switching key for function switch.
The adjusting accuracy of temperature is 0.5°C (1°F). If energy saving mode is not set, the adjusting
range is from 16°C (60°F) to 30°C (86°F). If energy saving mode is set, the lowest temperature limit
of cooling/dry and the highest temperature limit of heating are decided by the setting of the chip, the
default cooling/dry temperature is 23°C (74°F), and the default heating temperature is 26°C (78°F).
Note:
• If the dip switch Sw2 is "on", it displays the ambient temp., as well as when powered off. From power
off to power on, mode switching and set temp. adjustment, it flashes to display SET icon and statically
displays the set temp.. And then statically displays the ambient temp. and ROOM icon after 3 seconds.
In energy saving mode and temp. compensation mode, the adjusting step is 1°C (1°F) a time.
• If using Fresh Air unit, set temp. cannot be adjusted. If there is no Central/Lock set, the temp. will be
fixed at 18°C (64°F) in cooling and 22°C (72°F) in heating. The Up/Down key will not display in normal
state, but will display and valid in timer setting, function selection, unit shift in malfunction inquiry,
parameter shift in parameter check, unit No. setting, sleeping time adjustment, etc.
24-hour, press once to minus one minute. Keep pressing, minus 2 minutes in 1 second's pressing,
then 10 minutes in 5 seconds. The time will keep decreasing at the pace of 10 minutes a time in 10
seconds. Vice-versa. Press
to confirm or it will turn back to the previous state automatically in
10s.
Press this key to execute mode switch. For detailed information, please refer to mode setting.
Note: If using Fresh Air unit, default 3 modes will circulate from cooling→heating→fan→cooling.
2