This device allows you to control both the stop/run as well as the change of operating mode (cold/heat) of the installation, in addition to the fan-coil speeds (0-10V output available). Configurable such as production control and fan-coil control. The same module with four connection possibilities.
Technical details: Bus connection input koolnova. Two wires without polarity. Insulated relay output for fan-coil ON/OFF control. Insulated relay output for system production control. Insulated relay output for control of 3 speeds. 0-10V output for fan-coil speeds. Machine selection (AC) via switches. Operation indicator LEDs. Power supply: 230 V~ 50 /60Hz. Power supply: 90-264 Vac Dimensions (LxDxH): 89.7x60.7x53.6 mm Weight: 139g.