Carrier FDT21 Operation & Installation Manual page 6

HOW TO USE THE REMOTE CONTROL
TEMP
TEMP
The setting temperature can be set in the range of 18-30ºC by pressing TEMP
button. The LCD on the Display unit will show the setting temperature.
MODE
OPERATING MODE
By pressing MODE button, the air conditioner can be put in one of the 5 operating modes
(fan, cool, dry, heat, auto).
1. Fan Mode: The system will operate as Fan only. The SLEEP, TEMP
are not used.
2. Cool Mode: The system will operate as the cooling unit. The room sensor for cool mode is located
at the return air near the indoor coil.
However, the compressor is subjected to 3-minute delay protection each time it stops.
3. Dry Mode: The system will operate as the Dehumidifier. In dehumidifying, the temperature will be
reduced. An indoor unit will operate intermittently in the cool mode and an outdoor unit
will stop operating intermittently.
4. Heat Mode: The system will operate as the heat pump by switching on the reversing valve relay.
The room sensor for heat mode is located at the display touch pad.
However, the compressor is subjected to 3-minute delay protection each time it stops.
5. Auto Mode: The system will operate in either Cool mode or Heat mode automatically depending
upon the room temp and set temp. At this mode, sing "Cool" and "Heat" will appear
simultaneously on the display screen.
6
OPERATION INSTRUCTIONS
or TEMP
and TEMP buttons