![CDATA[REG housing 4 TE with electronic manual operation and LED status display Full functionality is supported from ETS3.0d or higher. ETS product family Heating, air conditioning, ventilation Product type Fan coil Product features Connection of a fan coil unit with up to 6 fan speeds or connection of two fan coil units with up to 3 fan speeds each Outputs can be operated manually, construction site operation Operating modes for heating, cooling or combined heating/cooling operation 2- or 4-pipe operation Individual or hierarchical switching of the fan speeds Feedback Lock function for each channel Operating modes Bus operation: Operation via touch sensors or room controller Short-term manual operation: Manual operation on site with keypad, automatic return to bus operation Permanent manual operation: Only manual operation on the device]]>