---
title: Setting up heating programs
description: "Define switching times for various heating programmes in the PRG menu 1. Opening the menu. Press and hold the system key for 5 sec.: ![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png) 2. Navigate to the menu item **PRG**using the button ![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_up_down-1.png) 3. Confirm the selection using…"
url: "https://faqdoc.info/en/systemauswahl/alpha-direct-en/alpha-direct-thermostat-55-matrix/setting-up-heating-programs/"
updated: "2026-09-30"
category: Alpha direct thermostat 55 Matrix
---

# Setting up heating programs

Define switching times for various heating programmes in the PRG menu

1.
Opening the menu.
Press and hold the system key for 5 sec.:

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

2.
Navigate to the menu item **PRG**using the button

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_up_down-1.png)

3.
Confirm the selection using the system button

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

4.
Depending on the desired switching time: Navigate to one of the menu items **WEE**/ **WDA**/ **WEN**/ **DAY**using the button

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_up_down-1.png)

5.
Confirm the selection using the system button

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

6.
Set the desired time and temperature using the button:

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_up_down-1.png)

7.
Confirm the selection using the system button

![](https://faqdoc.info/wp-content/uploads/2026/01/Matrix_55__Icon_open.png)

The number of active LEDs in the top line indicates the switching time (1 – 6).
Add switching time: via **+**
Delete last switching time: via**–**
Exit programming: via **ESC**