1.
TEMPERATURE (Seven Segments)
•
To indicate the ambient temperature set by the user.
2.
MODE
•
To indicate the selected operating mode: HEAT & DRY / COOL / FAN
(LED green / yellow / red).
3.
VENTILATION SPEED
•
To indicate the selected ventilation speed: LOW / MED / HIGH
•
For U1-SB125 only have single speed: HIGH.
4.
AUTO SELECTION
•
Automatic selection for speed, whereby the speed is automatically adjusted according to the room
temperature.
5.
FAN AND VENTILATION MODE
•
Press the fan button to set the desired selection.
6.
OPERATION SELECTION MODE
•
Press the mode button to select the type of operation mode.
•
Cooling unit: COOL, DRY, FAN.
•
Heat pump unit: AUTO, COOL, DRY, FAN, HEAT.
The Auto mode is unavailable for Chilled Water (CW) 2 pipe system.
It is available for Chilled Water (CW) 4 pipe system.
7.
TEMPERATURE SETTING
•
Set the desired temperature.
Press ▲ or ▼ button to increase or decrease the set temperature. The setting range is between 16°C
•
to 30°C (60°F to 80°F).
8.
TIMER SWITCH SETTING
•
Press the set button to activate the switch timer of the air conditioner unit (the setting range is between
1 to 10 hours). The unit will be at ON or OFF state in function of operating mode.
9.
"SLEEP " FUNCTION
•
Press the sleep button to select the sleep function. This function cannot be selected if the air conditioner
unit is operating under FAN mode only or dry mode. For SLEEP function operating under COOL mode,
the set temperature increases by 0.5°C after 30 minutes, another 0.5°C after the next 30 minutes and 1°C
after the following 1 hour. When the unit is operating under heating mode, the set temperature decreases
by 1°C after 30 minutes, another 1°C after the next 30 minutes and 1°C after the following 1 hour.
10.
"ON/OFF" SWITCH
•
Press once, the air conditioner unit starts.
•
Press again, the air conditioner unit stops.
11.
IR RECEIVER
12.
AUTOMATIC AIR SWING (OPTIONAL)
•
Press the SWING button to activate the automatic air swing function.
•
To distribute the air to a specific direction, press the button and wait until the louver move to the desired
direction and press the SWING button once again.
OPERATING INSTRUCTION
1