Service Manual

SiUS091133 FTXS Series
Operation Manual 64
2.4 COMFORT AIRFLOW / INTELLIGENT EYE Operation
COMFORT AIRFLOW /
INTELLIGENT EYE Operation
 COMFORT AIRFLOW operation
 INTELLIGENT EYE operation
The flow of air will be in the upward direction while in COOL operation and in the downward direction while in
HEAT operation, providing comfortable temperatures without air blowing directly on people.
“INTELLIGENT EYE” is the infrared sensor which detects human movement.
If no one is in the room for more than 20 minutes, the operation automatically changes to energy saving
operation.
COOL operation HEAT operation
[Example]
When someone is in
the room
When no one is in the
room
Someone is back in the
room
 Normal operation
 20 minutes after, start
energy saving
operation.
 Back to normal
operation.
• The air conditioner is in
normal operation while the
sensor is detecting the
movement of people.
• The set temperature is
shifted in ±3.6°F (±2°C)
steps.
• The air conditioner will
return to normal operation
when the sensor detects the
movement of people again.
INTELLIGENT EYE operation is useful for energy saving
 Energy saving operation
• If no presence detected in the room for 20 minutes, the energy saving operation will start.
• This operation changes the temperature –3.6°F (–2°C) in HEAT / +3.6°F (+2°C) in COOL / +3.6°F (+2°C) in DRY operation from set temperature.
When the room temperature exceeds 86°F (30°C), the operation changes the temperature +1.8°F (+1°C) in COOL / +1.8°F (+1°C) in DRY
operation from set temperature.
• This operation decreases the airflow rate slightly in FAN mode only.
 Combination COMFORT AIRFLOW and INTELLIGENT EYE operation
The air conditioner can go into operation with the COMFORT AIRFLOW and INTELLIGENT EYE functions
combined.