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5. With the sensor base fully installed, align the top cover to mounting tabs on top of the sensor base. Swing the cover
downward until it latches at the bottom.
6. Installed the locking screw to secure cover in a closed position.
7. The 400 ppm baseline calibration allows the sensor to be set at 400 ppm. Push and hold the calibrator button for 3 to 5
seconds. The LED will flash green. Once the push button is released, the calibration is complete and the LED is switched
off.
Mounting
1. Mount the backplate on the wall in an appropriate location with the "Install This End Up" label positioned in the upper
right corner.
2. Wire the unit as shown (see the Wiring section on page 5).
3. Attach the front plate.
Document Part # 026-4858 Rev 0
©2021 Emerson Digital Cold Chain, Inc. This document may be photocopied for personal use.
Visit our website at www.climate.emerson.com for the latest technical documentation and updates.
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