TIMER OPERATION

Before using the timer function, be sure that the Remote Control Unit is set to the correct current time (P. 4).

To Use the ON timer or OFF timer

1

Press the START/STOP button (Fig. 6 N)

(if the unit is already operating, proceed to step 2).

 

The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.

2

Press the TIMER MODE button (Fig. 6 U) to select the

OFF timer or ON timer operation.

 

Each time the button is pressed the timer function changes in the follow-

 

ing order:

 

 

 

 

 

 

s CANCEL

sOFF

 

sON

 

 

 

 

 

 

 

 

 

 

 

PROGRAM(OFF ON, OFF ON) t

 

 

 

 

 

 

The indoor unit’s green TIMER Indicator Lamp (Fig. 3 6) will light.

3

Use the TIMER SET buttons (Fig. 6 V) to adjust the

desired OFF time or ON time.

 

 

 

Set the time while the time display is flashing (the flashing will continue for about five seconds).

button: Press to advance the time. button: Press to reverse the time.

To Cancel the Timer

Use the TIMER MODE button to select “CANCEL”.

The air conditioner will return to normal operation.

To Change the Timer Settings

Perform steps 2 and 3.

To Stop Air Conditioner Operation while the Timer is Operating

Press the START/STOP button.

To Change Operating Conditions

If you wish to change operating conditions (Mode, Fan Speed, Thermostat Setting, SUPER QUIET mode) after making the timer setting, wait until the entire display reappears, then press the appropriate buttons to change the operating condition desired.

About five seconds later, the entire display will reappear.

To Use the Program timer

1

Press the START/STOP button (Fig. 6 N).

(if the unit is already operating, proceed to step 2).

 

The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) will light.

2

Set the desired times for OFF timer and ON timer.

See the section “To Use the ON timer or OFF timer” to set the desired

 

mode and times.

 

About three seconds later, the entire display will reappear.

 

The indoor unit’s TIMER Indicator Lamp (green) (Fig. 3 6) will light.

3

Press the TIMER MODE button (Fig. 6 U) to select the

PROGRAM timer operation (OFF

 

ON or OFF

 

ON

 

 

 

will display).

 

The display will alternately show “OFF timer” and “ON timer”, then change

 

to show the time setting for the operation to occur first.

 

The program timer will begin operation. (If the ON timer has been se-

 

lected to operate first, the unit will stop operating at this point.)

 

About five seconds later, the entire display will reappear.

About the Program timer

The program timer allows you to integrate OFF timer and ON timer operations in a single sequence. The sequence can involve one transition from OFF timer to ON timer, or from ON timer to OFF timer, within a twenty-four hour period.

The first timer function to operate will be the one set nearest to the current time.

The order of operation is indicated by the arrow in the Remote Control Unit’s Display (OFF ON, or OFF ON).

One example of Program timer use might be to have the air conditioner auto- matically stop (OFF timer) after you go to sleep, then start (ON timer) automati- cally in the morning before you arise.

To Cancel the Timer

Use the TIMER MODE button to select “CANCEL.”

The air conditioner will return to normal operation.

To Change the Timer Settings

1.Follow the instructions given in the section “To Use the ONTimer or OFFTimer” to se- lect the timer setting you wish to change.

2.Press the TIMER MODE button to select either OFF ON or OFF ON.

To Stop Air Conditioner Operation while the Timer is Operating

Press the START/STOP button.

To Change Operating Conditions

If you wish to change operating conditions (Mode, Fan Speed, Thermostat Setting, SUPER QUIET mode), after making the timer setting wait until the entire display reap- pears, then press the appropriate buttons to change the operating condition desired.

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Fujitsu ASU18RLQ, ASU15RLQ, AOU18RLQ, AOU15RLQ operation manual Timer Operation

AOU18RLQ, AOU15RLQ, ASU18RLQ, ASU15RLQ specifications

Fujitsu is a prominent name in the HVAC industry, known for its innovative air conditioning solutions that combine efficiency, comfort, and advanced technologies. Among its popular models are the AOU15RLQ, AOU18RLQ, ASU15RLQ, and ASU18RLQ. These units are designed to meet diverse cooling and heating needs for residential and commercial spaces.

The AOU15RLQ and AOU18RLQ are outdoor units that serve as the backbone of Fujitsu's multi-split air conditioning systems. One of their main features is their ENERGY STAR certification, which ensures superior energy efficiency. Both models incorporate inverter technology, allowing them to adjust their cooling and heating output based on the current demand. This leads to reduced energy consumption and increased comfort.

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Both indoor models offer multiple fan speeds and adjustable airflow direction, ensuring optimal distribution of conditioned air. The ASU series is equipped with user-friendly remote controls and includes programmable timers, allowing for customizable operation that aligns with users' schedules.

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