PP 45 LT power unit or RLS 45 O / RLS 45 K controls

The ventilation system can be expanded on the main control with up to 3 power units (with respectively 6 PP 45 O/PP 45 K ventilation units per power unit) or with up to 3 further RLS 45 O / RLS 45 K controls. The activation takes place in Service mode.

The main control (→ Overview figures of control concept) functions as a master and issues the commands. The settings on the slave controls can be changed manually.

If a room air control is being used as a slave, addressing as slave 1, 2 or 3 (depending on number of slaves) must be selected in the control’s service menu.

Power units are addressed as follows:

  1. Connect PP 45 LT to the RLS master.
  2. Activate the power unit with the commissioning software or in Service mode.
  4. Push button [T] on power unit once.
  1. The communication between the RLS master and the PP 45 LT is established.