---
title: RMO (operating mode)
description: "![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__icon_Elektro-Wasser.png) **MAN** Manual **AUT** Automatic (default) **VAC** Vacation In “Automatic” mode, the following day-specific **heating**program is saved as standard: | MO – FR | 06:00 – 08:00 | 21 °C | | --- | --- | --- | | |…"
url: "https://faqdoc.info/en/systemauswahl/alpha-direct-en/alpha-direct-thermostat-55-matrix/selection-of-the-operating-mode-rmo/"
updated: "2026-09-30"
category: Alpha direct thermostat 55 Matrix
---

# RMO (operating mode)

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__icon_Elektro-Wasser.png)

**MAN**
Manual

**AUT**
Automatic (default)

**VAC**
Vacation

In “Automatic” mode, the following day-specific **heating**program is saved as standard:

| MO – FR | 06:00 – 08:00 | 21 °C |
| --- | --- | --- |
|  | 08:00 – 15:00 | 19 °C |
|  | 15:00 – 22:00 | 21 °C |
|  | 22:00 – 06:00 | 19 °C |
| SA – SO | 06:00 – 08:00 | 19°C |
|  | 08:00 – 22:00 | 21°C |
|  | 22:00 – 06:00 | 19 °C |

There are 6 switching points available per day.

With “Manual” mode, all programs available under “Automatic” are temporarily suspended until the parameters are reset to “Automatic”. (see → [PRG](https://faqdoc.info/en/systemauswahl/alpha-direct-en/alpha-direct-thermostat-55-matrix/prg/))

With the “Vacation” mode, all programs available under “Automatic” are also deactivated until the parameters are set to “Automatic” again. (see → [VAT](https://faqdoc.info/en/systemauswahl/alpha-direct-en/alpha-direct-thermostat-55-matrix/vat/))