Daikin FTXS24HVJU User Manual download pdf (Page 10)

NOTE

Tips for saving energy 

Be careful not to COOL (HEAT) the room too much. •

Keeping the temperature setting at a moderate level helps save energy.

Cover windows with a blind or a curtain.•

Blocking sunlight and air from outdoors increases the cooling (heating) effect.

Clogged air ﬁ lters cause inefﬁ cient operation and waste energy. Clean them once in about every two weeks.•

Please note 

The air conditioner • always consumes 50-120 btu/h (15-35 watts) of electricity even while it is not operating.

If you are not going to use the air conditioner for a long period, for example in spring or autumn, turn the breaker OFF.•

Use the air condition• er in the following conditions.

Mode Operating conditions If operation is continued out of this range

COOL

Outdoor temperature : 14 to 115°F (–10 to 46°C)

Indoor temperature : 64 to 90°F (18 to 32°C)

Indoor humidity : 80% max.

A safety device may work to stop the operation.

•

(In multi system, it may work to stop the operation of the outdoor unit only.)

Under 0°F and over 115°F outdoor temperature.

See Note 2 for 0°F to 14°F operation.

•

Condensation may occur on the indoor unit and drip.•

HEAT

Outdoor temperature : 5 to 64°F (–15 to 18°C)

Indoor temperature : 50 to 86°F (10 to 30°C)

A safety device may work to stop the operation.

•

Under 0°F or over 64°F outdoor temperature.

See the Note 3 for 0°F to 5°F.

•

DRY

Outdoor temperature : 14 to 115°F (–10 to 46°C)

Indoor temperature : 64 to 90°F (18 to 32°C)

Indoor humidity : 80% max.

A safety device may work to stop the operation.

•

Condensation may occur on the indoor unit and drip.•

Operation outside this humidity or temperature range may cause a safety device to disable the system.•

RXS15/18/24HVJU ONLY

<Note 1> A Breaker must be turned on for 24 hours before the operation start if the ambient is below 14°F (–10°C),

otherwise the unit will not start operation smoothly.

<Note 2> 1. Use low outdoor ambient COOL operation for equipment cooling applications only.

This operation is not intended for human comfort cooling.

2. Intermittent noises may be produced by the indoor unit due to the outdoor fan rotation speed change.

3. Do not place humidiﬁ ers or other items which might raise the humidity in rooms at 0 to 14°F (–10°C) outdoor

temperature. A humidiﬁ er may cause condensation to drip from the indoor unit outlet vent.

4. Set the indoor unit at the highest airﬂ ow rate.

<Note 3> When the outdoor temperature is 0 to 5°F (–18 to –15°C), the system may not have sufﬁ cient cooling capacity.

Recommended temperature setting

For COOL: 78°F – 82°F (26°C – 28°C)

For HEAT: 68°F – 75°F (20°C – 24°C)

 Turn the breaker ON

Turning ON the breaker closes the ﬂ ap. (This is a normal procedure.)•

To set the clock 

Press 1. .

” is displayed.

” and “ ” blinks.

“

Press 2. to set the current day of the week.

Press

3. .

“ ” blinks.

Press 4. to set the clock to the present time.

Holding down button rapidly increases or decreases the time display.•

Press 5. .

Always point the remote controller at the indoor unit when pushing the buttons when setting the indoor unit’s internal clock.

•

“ ” blinks.

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Daikin FTXS24HVJU User Manual Page 10

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