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

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Friedrich MR18C3F, MW18C3F operation manual Sleep Timer Operation, En-8, About the Sleep Timer, During Cooling/Dry operation
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MR18C3F, MW18C3F specifications

The Friedrich MW18C3F and MR18C3F are two innovative air conditioning units designed to provide optimal comfort and efficiency in home and office environments. Both models are part of Friedrich's commitment to delivering high-quality climate control solutions that cater to various needs and preferences.

One of the standout features of the MW18C3F and MR18C3F is their advanced inverter technology. This technology enables the units to adjust their cooling capacity according to the ambient temperature, ensuring that energy consumption is minimized while still maintaining a comfortable environment. By operating at variable speeds, the inverter systems reduce energy waste, making these units eco-friendly options.

The MW18C3F is equipped with a cooling capacity of 18,000 BTU, making it suitable for medium to large spaces, while the MR18C3F model offers similar cooling performance with added versatility for different installation options. Both models boast a high EER (Energy Efficiency Ratio) rating, which indicates excellent energy efficiency, leading to lower utility bills while still being effective in combating heat.

Another significant characteristic of these models is their smart technology integration. The Friedrich MW18C3F and MR18C3F offer Wi-Fi connectivity, allowing users to control the system remotely via a smartphone app. This feature provides unparalleled convenience, enabling users to set schedules, adjust temperatures, and monitor energy consumption from virtually anywhere. The app also supports voice commands, compatible with major smart home platforms, enhancing user experience.

In terms of design, both units feature a sleek and modern aesthetic that blends well with most interior décors. They come with a user-friendly interface, simplifying operation and customization of settings. The units are also designed with noise reduction technologies, ensuring that they operate quietly, making them suitable for bedrooms and workspaces where tranquility is crucial.

The filtration system in the MW18C3F and MR18C3F is another important aspect, featuring washable filters that help maintain indoor air quality by trapping dust and allergens. This not only improves the comfort of users but also prolongs the lifespan of the units by preventing buildup of dirt and debris.

Overall, the Friedrich MW18C3F and MR18C3F showcase a combination of advanced technology, energy efficiency, and user-friendly features. With their modern design and smart capabilities, these air conditioners stand out as excellent choices for anyone looking to enhance their indoor climate control while being mindful of energy consumption.
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