Simple Panel Connection

The iSMA-B-SP Simple Panel is a device designed to work with room temperature controllers. The device is fully passive and does not require any power supply. The panel consists of the following parts:

temperature sensor (10K3A1);
resistance potentiometer (0-10 kΩ);
push button (NO, max. 50 mA);
LED diode (blue, max. 5 mA).

The iSMA-B-SP panel internal connection and the connection with the RAC18-IP controller are presented in the figures below.

Diagram of internal connections of the simple panel

Connection diagram of the iSMA-B-FCU controller