... , LED status indicator2, 2-way,3-way, modulating valveDN15-DN400, screw&flange connection, 24V power supply, floating/proportional signal control3, thermostat for fan ... coil unitSetpoint: 10-35℃,accuracy:1.0℃, 220V power supply, LED status indicator4, 2-way, 3-way ... ~30Nm, 220V,24V power supply, On/Off,0~10V or 4~20mA signal input and feedback, IP40.