SLEEP TIMER OPERATION

Unlike other timer functions, the SLEEP timer is used to set the length of time until air conditioner operate is stopped.

To Use the SLEEP Timer

While the air conditioner is operating or stopped, press the SLEEP button (Fig. 5 F).

The indoor unit’s OPERATION Indicator Lamp (red) (Fig. 3 5) lights and the TIMER Indicator Lamp (green) (Fig. 3 6) light.

To Change the Timer Settings

Press the SLEEP button (Fig. 5 F) once again and set the time using the TIMER SET ( / ) buttons (Fig. 5 L).

Set the time while the Timer Mode Display is flashing (the flashing will continue about five seconds).

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

About five seconds later, the entire display will reappear.

To Cancel the Timer:

Use the TIMER MODE button to select “CANCEL”.

The air conditioner will return to normal operation.

To Stop the Air Conditioner During Timer Operation:

Press the START/STOP button.

About the SLEEP Timer

To prevent excessive warming or cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accordance with the set time setting. When the set time has elapsed, the air conditioner completely stops.

During Heating operation:

When the SLEEP timer is set, the thermostat setting is automatically lowered 2 °F every thirty minutes. When the thermostat has been lowered a total of 8 °F, the thermostat setting at that time is maintained until the set time has elapsed, at which time the air conditioner automatically turns off.

During Cooling/Dry operation:

When the SLEEP timer is set, the thermostat setting is auto- matically raised 2 °F every sixty minutes. When the thermo- stat has been raised a total of 4 °F, the thermostat setting at that time is maintained until the set time has elapsed, at which time the air conditioner automatically turns off.

SLEEP timer setting

 

 

 

SLEEP timer setting

 

 

 

 

2 °F

4 °F

6 °F

8 °F

 

 

Set time

 

 

 

 

 

30

 

 

minutes

1 hour

 

 

 

1 hour

 

 

1 hour

2 °F

4 °F

 

30 minutes

 

 

Set time

 

 

En-8

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Friedrich MW09Y3FM, MW12Y3FM, MW18Y3FM, MR24DY3F, MR36TQY3F manual Sleep Timer Operation, About the Sleep Timer
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MW09Y3FM, MW12Y3FM, MW18Y3FM, MR24DY3F, MR36TQY3F, MW12Y3FM, MW09Y3FM, MW18Y3FM specifications

Friedrich is recognized for producing high-performance and reliable air conditioning units, and the models MW12Y3FM, MW09Y3FM, MW18Y3FM, MR24DY3F, and MR36TQY3F exemplify their commitment to quality.

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