13Installation3.2 Connecting the Sensor to the sc10003.2.1 Connecting the Sensor using the Quick-connect Fittings1. Unscrew the connector cap from the controller. Retain the connector cap to seal theconnector opening in case the sensor must be removed.2. Push the connector into the socket.3. Hand-tighten the union nut.Note: Do not use the middle connection for the sensors as this is reserved for the display module.3.3 Installing the Sensor in the Sample StreamTo install the LDO in a sample stream, it is recommended to use either the optional polemount (Cat. No. 5794400) or ball float mount (Cat. No. 5794300) as shown in Figure 5.Please refer to the instruction sheets provided with these mounting kits for more detailedinformation.