Lennox MS8 Manuel utilisateur

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MS8 Climatiseurs: Manuel d'Utilisateur + Chat IA | Fixfr
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User questions

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Mary R.

How to change the temperature display from Fahrenheit to Celsius?

To change the temperature display from Fahrenheit to Celsius, when the system is off, simultaneously press the MODE and – buttons. The current selection is displayed to the right of the temperature.

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Michael K.

How to activate dehumidification mode and identify its indicator?

To activate dehumidification, turn on the device and press the MODE button until "DÉSHUMIDIFICATION" is displayed. While the manual does not specify a graphic icon (like a water drop), the mode name appears on the remote. A triangle icon typically indicates AUTO mode, not dehumidification.

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Michael K.

Why is fan speed adjustment disabled in certain modes?

Fan speed cannot be adjusted manually in AUTO or DEHUMIDIFICATION modes. In DEHUMIDIFICATION, the fan runs at a fixed low speed to optimize moisture removal. Additionally, if the unit is started using the manual 'Auto ON' switch on the chassis, fan control is disabled.

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Michael K.

How to change temperature units and what are the standard operating ranges?

To switch between Celsius and Fahrenheit, power off the unit and press the MODE and "–" buttons simultaneously. The device operates in cooling mode between -5°C and 48°C (depending on the model) and in heating mode between -15°C and 30°C.

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Michael K.

What is the purpose of the BLOW function and how does it affect device shutdown?

The BLOW function is used in Cooling and Dehumidification modes to dry the internal coil and prevent mold. When active, the fan continues to run for 10 minutes after the cycle ends or the unit is turned off. It does not replace the timer; it only adds a drying delay to the final stop.

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Michael K.

How to set an automatic shutdown timer?

Press the TIMER OFF button on the remote control. Use the + and - buttons to set the specific time for the device to shut down, then press TIMER OFF again to confirm the setting. An "OFF" indicator will appear on the display.

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Michael K.

What are the safety precautions for operating and cleaning the device?

Maintain at least 1 meter of distance from combustible materials and do not spray water directly on the unit. For cleaning, ensure the water temperature used for filters or the casing does not exceed 45°C.

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Michael K.

Why is the fan speed or air direction not adjustable in certain modes?

In DEHUMIDIFICATION mode, the fan speed is automatically fixed at low speed and the air louver stays in a fixed upward position to ensure optimal moisture control. In AUTO mode, the system manages the fan speed automatically to reach preset targets, also disabling manual fan speed adjustments.

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Michael K.

What is the purpose and compatibility of the BLOW function?

The BLOW function is designed to dry the indoor coil and prevent mold growth. It is only compatible with Cooling and Dehumidification modes. Once activated by pressing the BLOW button, the fan will continue to run at low speed for 10 minutes after the cycle ends or the unit is switched off.

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Michael K.

How to program an automatic shut-off for the device?

Press the TIMER OFF button on the remote control, use the + and - buttons to set the desired time for the shutdown, and press TIMER OFF again to confirm the setting. The 'OFF' indicator will appear on the display.

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Michael K.

How to switch the temperature display unit from Fahrenheit to Celsius?

With the system turned off, press the MODE and – buttons simultaneously to toggle the display between Fahrenheit and Celsius.

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