Sleep timer operation, En-8 – Friedrich MR18C3F User Manual

Page 9

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En-8

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. 6
J).

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. 6 J) once again and set the time
using the TIMER SET (

/

) buttons (Fig. 6 O).

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 cooling during sleep, the SLEEP timer function automatically modifies the thermostat setting in accord-
ance with the set time setting. When the set time has elapsed, the air conditioner completely stops.

During Cooling/Dry operation:
When the SLEEP timer is set, the thermostat setting is automatically raised 2 °F every sixty minutes. When the thermostat 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

Set time

1 hour

2 °F

4 °F

06B030_9315255044-01_En

2006.2.6, 1:47 PM

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