Sleep Timer; Energy Saving Operations; Economy Operation; Fan Control For Energy Saving - Fujitsu AIRSTAGE ARTH24KHTA Operation Manual

4.4. Sleep timer

NOTE: This function is available only when using the wireless remote
controller.
The Sleep timer supports your comfortable sleep by moderating the air
conditioner operation gradually.
The time setting of the Sleep timer changes as follows:
0H 1H 2H
30M 00M 00M
(H:h,M:min)
During the Sleep timer operation, the setting temperature changes as
the following fi gure.
In Heating mode
1 °C 2 °C 3 °C 4 °C
30 min.
1 hour
1.5 hour
Set time
After the set time has elapsed, the air conditioner operation turns off .

5. ENERGY SAVING OPERATIONS

NOTE: For detailed instructions on how to operate, refer to the operation
manual of the remote controller.

5.1. Economy operation

NOTE: Depending on the remote controller, this function may not be
available.
It saves more electricity than other operation modes by changing the set
temperature to a moderate setting.
Operation
mode
The room temperature will be few degrees higher than
Cooling/Dry
the set temperature
The room temperature will be few degrees lower than
Heating
the set temperature
NOTES:
• In the Cooling, Heating, or Dry mode, the maximum output of this
operation is approximately 70% of the usual operation. If the room
is not cooled or heated well during the Economy operation, select
normal operation.
• This operation cannot be performed during the temperature
monitoring by the Auto mode.

5.2. Fan control for energy saving

NOTE: Depending on the remote controller, this function may not be
available.
In the Cooling or Dry 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, refer to the operation manual of the remote
controller.
Even if the setting is changed, if the fan speed is set to Auto in Cooling
or Dry mode, this function still works to suppress the diff usion of
circulated indoor humidity.

5.3. 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. 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.
When the DR mode fi nishes, the air conditioner returns to the operation
set before entering the DR mode.
3H 5H 7H 9H
00M 00M 00M 00M
In Cooling or Dry mode
Set time
Set
temperature
1 hour
1 °C
Setting details
■ Details on Demand Response mode
DR mode
DR mode 1 Compressor off .
electrical energy consumption in 30 minutes:
DR mode 2
50 % or less
(compared with rated energy consumption)
electrical energy consumption in 30 minutes:
DR mode 3
75 % or less
(compared with rated energy consumption)
NOTES:
• During the DR mode, the cooling or heating performance may be
reduced.
• During the DR mode, only the following operations are valid.
- Turning off the operation by the remote controller
- Off timer operation
• During the DR mode, the Filter sign will not display.
• Timer setting error indicator will be prioritized over the DR mode
indicator.
2 °C
If you have operational issues:
(1) Contact your electricity supplier to check whether they are activating
the DR mode.
(2) Is the air conditioner under the Demand controlling?
Yes
Contact your electricity supplier.
No • Contact Fujitsu General (AUST.) PTY LIMITED. (Refer to
your warranty card.)
or
• Visit our website (www.fujitsugeneral.com.au).

6. CLEANING AND CARE

• Before cleaning the indoor unit, be sure to turn it off
and disconnect all the power supply.
• The fan operates at high speed inside the unit and
could result in personal injury.
• If the fi lter cleaning involves high-place work, consult
the professional technical service personnel.
• Do not expose the indoor unit to liquid insecticides or
hair sprays.
• Do not stand on slippery, uneven, or unstable
surfaces when you maintain the unit.
When cleaning the unit, do not use water hotter than 40 °C,
harsh abrasive cleansers, or volatile agents like benzene or
thinner.
Cleaning air fi lter (optional)
NOTES:
• The air fi lters are optional parts. When purchasing, contact the store
where you purchased this air conditioner.
• Compatible the air fi lters diff er depending on the model. For details,
refer to the table below.
model name of indoor unit
ARTH24KHTA
ARTH30KHTA
ARTH36KHTA
ARTH45KHTA
ARTH54KHTA
ARTH60KHTA
ARTH60KHTB
• For how to install and remove the air fi lter, refer to the instruction
sheet of the air fi lter.
Description of operation in this mode
CAUTION
model name of the air fi lter
UTD-LF60KA
(Not available)
UTD-LFKA
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