Mitsubishi Heavy Industries RC-EX3A Manuel utilisateur

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Mitsubishi Heavy Industries RC-EX3A Manuel utilisateur | Fixfr
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User questions

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Mary L.

How to configure temperature regulation using the built-in sensor of the RC-EX3A remote control?

Navigate to Menu > Maintenance Settings > Remote Control Function Settings > TD Sensor and select 'Enabled' to use the remote's integrated sensor for regulation and display. If multiple units are connected, you can specify if the regulation applies individually, to the master unit, or as an average of all units.

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Mary L.

How to configure temperature regulation using the remote control sensor?

From the main menu, navigate to Maintenance Settings, then select Remote Control Function Settings and choose 'Sonde TD'. Set this option to 'Activé' to use the sensor integrated into the remote control for regulation and temperature display.

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Mary L.

How to configure the temperature sensor on the RC-EX3A remote control?

From the main menu, navigate to 'Maintenance Settings', then 'Remote Control Function Settings', and select 'TD Sensor'. Choose 'Enabled' to use the remote's internal sensor, 'Invalid' to use the indoor unit sensor, or select specific modes for heating or cooling. Press 'Enable' to confirm.

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Mary L.

How is return air temperature regulation applied when multiple indoor units are connected?

When multiple units are connected to one remote, regulation can be set to 'Individual' (based on each unit's temperature), 'Master UI' (based on the master unit), or 'Average Temperature' (the average of all connected units).

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Mary L.

How to configure and activate the return air sensor regulation using the RC-EX3A remote control?

To configure and activate regulation via the return air sensor on the RC-EX3A remote control, you have several options. For installations with multiple indoor units, you can choose how the return air temperature is applied: Individual (each unit's temperature), UI master (temperature of the master unit), or Average temperature (average of all connected units). To switch the sensor source to the remote's built-in temperature sensor (referred to as "TD Sensor"), follow these steps:

  1. From the remote's home screen, press Menu.
  2. Go to Maintenance Settings.
  3. Select Remote Control Function Settings.
  4. Choose TD Sensor. Here, you can select:
  • Invalid: Uses the indoor unit master's sensor.
  • Enabled: Uses the remote control's sensor for both heating and cooling.
  • Enable (Heating only): Uses the remote control's sensor only for heating.
  • Enable (Cooling only): Uses the remote control's sensor only for cooling. Select your desired option and press Activate to confirm. Additionally, the detected temperature from the main return air temperature sensor can be adjusted for cooling and heating within a range of –3 to +3 °C.
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Mary L.

How does regulation work using the return air sensor on the RC-EX3A remote control?

Regulation by return air sensor (thermal law) relies on the temperature detected by the indoor unit's return air sensor. If multiple indoor units are connected to a single remote control, the regulation can be applied based on: 'Individuel' (each unit's air return temperature), 'UI maître' (master unit's air return temperature), or 'Température moyenne' (average of all connected units' air return temperatures). The origin of the return air temperature sensor can also be modified to use the remote control's sensor instead of the indoor unit's, either generally ('Activé') or specifically for heating or cooling only. The detection temperature can be adjusted between –3 and +3 °C.

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Mary L.

How to switch the regulation to the remote control's built-in temperature sensor (Sonde TD) on the RC-EX3A?

To switch the regulation to the remote control's built-in temperature sensor (Sonde TD), navigate through the menu: Menu -> Paramètres d'entretien -> Réglages Fonction Télécommande -> Sonde TD. Options include: 'Invalid' (uses master indoor unit sensor), 'Activé' (uses remote sensor for all modes), 'Activer (Chauffage seul)' (uses remote sensor for heating only), 'Activer (Froid seul)' (uses remote sensor for cooling only). Select the desired option and confirm with 'Activer'.

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Mary L.

How to configure and select the return air sensor for temperature regulation on an RC-EX3A remote control?

To select the sensor, navigate to Menu > Maintenance Settings > Remote Function Settings > Sonde TD and select 'Enabled'. For installations with multiple units, you can also set the 'Return Air Temperature' application to 'Individual', 'Master UI', or 'Average' within the same 'Remote Function Settings' menu.

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Mary L.

How does return air sensor temperature regulation work?

The return air sensor regulation, or 'thermal law', uses the temperature detected by the indoor unit's (UI) return air sensor. If multiple indoor units are connected, it is possible to choose whether the thermal law applies privately to each UI, based on the master UI, or on the average temperature of all connected UIs. The source of the temperature sensor can also be switched to the remote control's own probe. The detected temperature can be adjusted from –3 to +3 °C.

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Mary L.

How to switch temperature regulation to the remote control sensor?

To switch regulation to the temperature sensor integrated into the remote control (Sonde TD), go to Menu, then Maintenance Settings, Remote Control Function Settings, and choose the Sonde TD option. You can then select: Invalid (master UI sensor), Enabled (remote control sensor for all modes), Enable (Heating only), or Enable (Cooling only). Confirm your setting.

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Mary L.

How to configure and activate the return air sensor (remote control sensor) for regulation?

For regulation by return air sensor (thermal law), you can choose how the temperature is applied when multiple indoor units are connected: Individuel, UI maître, or Température moyenne. To specifically switch to the remote control's integrated temperature sensor ('Sonde TD'), navigate to Menu > Paramètres d'entretien > Réglages Fonction Télécommande > Sonde TD. From there, select whether the sensor is Invalid, Activé (for all modes), Activé (Chauffage seul), or Activé (Froid seul), then confirm. The main return air temperature sensor detection can also be adjusted by –3 to +3 °C.

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