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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
  • RMO (operating mode)

RMO (operating mode)

MAN
Manual

AUT
Automatic (default)

VAC
Vacation

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

MO – FR06:00 – 08:0021 °C
08:00 – 15:0019 °C
15:00 – 22:0021 °C
22:00 – 06:0019 °C
SA – SO06:00 – 08:0019°C
08:00 – 22:0021°C
22:00 – 06:0019 °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)

With the “Vacation” mode, all programs available under “Automatic” are also deactivated until the parameters are set to “Automatic” again. (see → VAT)

Updated on January 23, 2026
Switching the device on / offBOS (Boost)

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