Energy Saving Operations; Economy Operation; Human Sensor For Energy Saving; Fan Control For Energy Saving - Fujitsu Lifestyle Series Operating Manual

7. ENERGY SAVING OPERATIONS

7.1. Economy operation

It saves more electricity than other operation modes by changing the set
temperature to a moderate setting.
Press to activate/deactivate the Economy
) )
operation.
[ ] indicator on the indoor unit will turn on.
Operation
mode
Cooling/Dry Few degrees higher than the set temperature
Heating Few degrees lower than the set temperature
NOTES:
• In the Cooling, Heating, or Dry mode, the maximum output of this
operation is approximately 70 % of usual operation.
• This operation cannot be performed during the temperature
monitoring by the Auto mode.

7.2. Human sensor for energy saving

• Do not use this function when there are only infants,
children, elderly, or sick persons in the room.
• Do not use this function in server rooms or other
places where there is no one in the room.
• Do not place large objects near the human sensor.
Also keep heating units outside the sensor's detection
area.
When no one is in the room, the air conditioner operates moderately to
prevent waste of electricity.
(This function is activated at the time of purchase.)
To change the setting, press
) )
While the Energy Saving program is activated,
remote controller display will turn on.
NOTES:
• The following operations will override the Energy Saving program.
- Sleep timer operation
- 10 ˚C Heat operation
• The Energy Saving program may not work when the room
temperature is very different from the set temperature, such as
when immediately after starting the operation.
■ Details on Energy Saving program
Human sensor on the indoor unit detects movement of people.
If there is no one in the room for approximately 20 minutes, the
temperature will be adjusted moderately.
When someone comes back into the room, the air conditioner revert to
the original settings.
Operation
mode
(When there is no one there)
Cooling/Dry Higher than the set temperature (Max. +2˚C)
Heating Lower than the set temperature (Max. -4˚C)
Depending on the operating mode (Cooling/ Heating/
Auto
Dry).
En-7
Room temperature
WARNING
CAUTION
.
Room temperature
Detection range of Human sensor
Side view
7 m
NOTES: Since Human sensor detects infrared light given out by people,
the detection may be incorrect in the following situations.
Situations in which the sensor may detect no one in the room,
even when there is someone there:
• When the room temperature is high and the difference with people's
body temperature is small. (Such as when the temperature is 30˚C
or higher in summer.)
• When someone in the room do not move for a long time.
• When someone is hidden behind a sofa, other furniture, glass, or in
similar situations.
• When someone is wearing extremely thick clothing and turn their
backs on the sensor.
Situations in which the sensor may detect people in the room, even
when there is no one there
• When there is a dog or a cat moving around in the room.
• When wind is moving curtains or plants.
• When heating units, humidifiers, or electric appliances such as
oscillating electric fans are operating.

7.3. Fan control for energy saving

In the Cooling operation, when the room
temperature reaches the set temperature, the
indoor unit fan rotates intermittently to save
power. (This function is deactivated at the time of
purchase.)
To change the setting, use the following
steps;
1. Press until only the clock is displayed on the remote
controller display.
2. Press down
The current Fan Control status (
on the
3. Press
deactivated (
4. Press to send the setting to the indoor unit.
The display will return to the original screen.
NOTES: If you do not press any buttons for 30 seconds after
displayed,
step 2.

7.4. Demand Response

This product is designed to be compatible with Air Conditioning Demand
Response program.
To utilize the function, you need a separate arrangement with your
electricity supplier. Please check availability in the place of use.
When your electricity supplier activates one of the following 3 Demand
Response (DR) modes, the air conditioner switches over to the
appropriate operation.
During the DR mode, [ ] indicator on the indoor unit will blink.
Blinking pattern and the intervals are as follows:
Operation mode
Auto/Cooling/Heating/Dry/Fan
10˚C Heat operation
When the DR mode finishes, the air conditioner returns to the operation
set before entering the DR mode.
Top view
90°
50°
for more than 5 seconds.
) is displayed.
to switch between activated (
).
will turn off. In this case, repeat the setting from
Indicator lamp blinking pattern
On Blinks (2 times)
Off Blinks (2 times)
7 m
50°
) or
is