Additional circuit boards, switching contacts, sensors, plug-in modules, interfaces

ZP 1 and ZP 2 additional circuit boards (both optional), combination can be selected freely

ZP 1 controls a brine CP (brine EHE controlled/uncontrolled) OR supplementary heating (electric, hydraulic, etc.) OR 3-way air shutter of an earth-air heat exchanger OR zone control.

ZP 2 is used for filter monitoring with differential pressure sensor (instead of timer) OR for controlling a pressure-constant operation (instead of volumetric flow constancy).

E-SM EnOcean plug-in module (optional): For connection of EnOcean wireless components.

K-SM KNX plug-in module (optional): For connection to a KNX bus system.

ModBus interface (selectable with commissioning software)

Modbus interface (TCP/IP and RTU) integrated in the ventilation unit, enables integration in the building control system. Parameterisation with the commissioning software. Up to 5 further RLS 1 WR permitted.

ModBus for TCP/IP generally selectable. For RTU, the ModBus can only be selected if no RLS T2 WS or RLS G1 WS is connected (interface must not be occupied).

External sensors (optional)

Humidity sensor, CO2 sensor or VOC sensor. External sensors require a 0-10 V output and a linear characteristic curve. Standard connection of sensor 1 and 2 at terminal block X12/sensors at 24 VDC.

If no RLS 1 WR is connected, the connections on terminal block X13/RLS can be used for 2 additional sensors (sensor 3 and 4, each 12 VDC). For a 24 VDC power supply to sensors 3 and 4, the voltage can be tapped at the terminals of sensors 1 and 2 (double assignment).

Multifunction contact (switching contact)

Potential-free switching contact for connecting one of the following components (→ Wiring diagram):

Home network (Loxone) to Modbus

Loxone building control system can be connected to the Modbus interface (TCP/IP and RTU) integrated in the ventilation unit. Parameterisation with commissioning software.

ModBus for TCP/IP generally selectable. For RTU, the ModBus can only be selected if no RLS T2 WS or RLS G1 WS is connected (interface must not be occupied).