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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
View Categories
  • Systemauswahl
  • Alpha thermostat direct
  • 55 Matrix
  • FAC (factory reset)

FAC (factory reset)

NOTE
A factory reset restores the original configuration of the device. All saved settings will be deleted.

To perform a factory reset, proceed as follows:

1.
Navigate to the FAC menu item by

2.
Confirm selection by

— flashes on the display.

3.
To confirm, press and hold the following button for 5 seconds

The display briefly shows RES. The device is reset to factory settings and restarts.

NOTE

Updated on January 27, 2026
COL (block cooling)ESC (exit)

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