Figure 10 Correct and Incorrect Mounting Orientations for IR Sensor
All other sensors, including electrochemical, catalytic bead, oxygen, passive catalytic bead, and passive MOS should be
mounted vertically with the gas inlet pointed downward. If the sensor is not mounted with the gas inlet facing down, it is more
likely to become clogged with particulate matter or liquids. Figure 11 Correct and Incorrect Mounting Orientation for Digital
Sensors shows the correct and incorrect mounting orientation for digital sensors. Passive catalytic bead and MOS sensors
come already installed on the transmitter housing.
Figure 11 Correct and Incorrect Mounting Orientation for Digital Sensors
3.4.4 Connecting Sensor to Transmitter Housing or Remote Junction Box
Digital and IRSensors are shipped attached to the main enclosure. The main sensor input is provided via a four-terminal
connection that provides a digital interface for all sensor modules. Up to two sensors (excluding passive sensors) can be
connected to a single transmitter with two analog outputs capable of representing the readings of the individual sensors.
Passive sensors are shipped already attached and electrically wired to the device. Only one passive sensor can be used on a
single S5000, and they are not interchangeable with other passive sensors or digital sensors.
Consider the sensor dimensions when choosing a mounting location for the transmitter or junction box.
To connect the sensor:
1. Loosen the set screw located on the lid using a 1.5mm Allen wrench.
2. Turn the lid counter-clockwise to remove.
3. Pull out display module to expose terminal connections.
17
US 3 Installation
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