1. ICY2042PSI Power Switch Internal Installation manual The Power Switch Internal enables you to switch electric heaters with a room thermostat The ICY2042PSI is galvanically isolated and can be placed in a conduit box Installation 1 2 Switch off the power Use the first two connectors of the top terminal block to connect the Power Switch to the 230V mains power see image below Connect wiring between the third and fourth connectors and the electric heater Connect wiring between the thermostat and the connec tors of the bottom terminal block There is no need to observe polarity HO UO beyon mo ETO OTT E o 183604 385 188 2112813 AOEZ AOEZ Seip uol33UU09 I C Y B V service icy nl www icy nl 2013 1