Automatic operating mode

For PPB 30

In automatic mode, the PPB 30 K / PPB 30 RC units run virtually independently of the settings undertaken on the RLS 45 K control. Heat recovery or cross-ventilation operating mode can be set manually. The ventilation level Off, External Off and exhaust air mode functions are also available (if released in the basic setting). Connected PPB 30 O and PP 45 units run according to the settings on the RLS 45 K control.

PPB 30 RC units can also be operated in automatic mode, also without a control unit (heat recovery mode). If the DS 45 RC radio switch is used, the selected ventilation level may be superimposed on the automatic mode for a limited time (service mode → ventilation level). The selection of the heat recovery or crosswise operating modes, can be permanently changed with the DS 45 RC radio switch.

In automatic mode, the volumetric flow regulation is always continuously variable and undertaken using the PPB 30 K / PPB 30 RC humidity and temperature values measured with the internal humidity sensor.

Continuously variable regulation of the volumetric flow takes place in a linear fashion between the set humidity value limits of r.h.%=min (minimum ventilation level) and r.h.%=max (maximum ventilation level). Measurements from other sensors only affect the volumetric flow regulation of the PP 45/PPB 30 O units (Fan1/Fan2 fan interface).

Dehumidification mode is possible via exhaust air mode (45 m³/h) or intensive ventilation (ventilation level 5). Dehumidification mode starts automatically when the maximum humidity limit value (intensive ventilation) is exceeded. The ventilation system then runs in exhaust air mode or intensive ventilation until the value has fallen 3 % below the limit value. Then the ventilation switches back to demand-driven mode. For exhaust air mode → Manual exhaust air mode and Manual exhaust air mode and intensive ventilation.

The “Max. humidity limit value” parameter can be set by your specialist installer using the commissioning software/service mode