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55 Matrix

  • Connection diagram / port overview
  • Function »Heating– Cooling«
  • Setting the corresponding parameters
  • Setting the target temperature
  • Operating lock
  • Set display to standby mode
  • Switching the device on / off
  • RMO (operating mode)
  • BOS (Boost)
  • PRG (heating program)
  • Setting up heating programs
  • VAT (Temperature holiday mode)
  • BRW / BRS (Display brightness)
  • NET (Set up WiFi)
  • DAT (date, time)
  • SWT (summer time / winter time)
  • INS (Installer)
  • CMO (control algorithm)
  • WEH (type of heating)
  • SMO (sensor mode)
  • DIF (Hysteresis)
  • ADP (Smart Start)
  • FLT (Temperature limiter floor sensor)
  • VAL (operating principle)
  • VPA / VPD (Valve protection)
  • TSS (Temperature Unit)
  • WMO (manual heating / cooling)
  • CAR / CAF / CAE (calibration)
  • ALO / AHI (setpoint limiter)
  • FLO / FHI (setpoint limiter)
  • ELO / EHI (setpoint limiter)
  • ANT (time automatically)
  • COL (block cooling)
  • FAC (factory reset)
  • ESC (exit)
  • Alpha smart app
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  • Systemauswahl
  • Alpha thermostat direct
  • 55 Matrix
  • Setting up heating programs

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.:

2.
Navigate to the menu item PRG using the button

3.
Confirm the selection using the system button

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

5.
Confirm the selection using the system button

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

7.
Confirm the selection using the system button

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

Updated on January 14, 2026
PRG (heating program)VAT (Temperature holiday mode)

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