Emerson 210-2000 Manuel utilisateur

Document Part # 026-4858 Rev 0 Page 1 of 7

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Emerson specs a CO2 Sensor (P/N 210-2000) to be used in building

control and anti-sweat control applications using the Emerson input

boards. The CO2 sensor measures CO2, room temperature, and

provides analog outputs.

The 210-2000 CO2 sensor is a non-dispersive infrared analyzer

designed for measuring environmental CO2 concentration in

ventilation systems and indoor spaces. Its measurement range of

0-2000 or 0-5000 ppm covers the range required to monitor

compliance with ASHRAE and other ventilation efficiency standards.

The LCD display is available to provide local indication of CO2

concentration and facilitate the setup and calibration process. An

adjustable setpoint relay is available for direct control and alarm

applications. The microprocessor-based digital electronics and unique

self-calibration algorithm improves long-term stability and accuracy.

Specifications

OPERATING ENVIRONMENT

Input Power Class 2 (20 to 30Vdc), 24Vac 50 to 60 Hz

Analog Output 0 to 5V, Selectable 4 to 20mA, 0 to 10V

Operating Temp. Range (32°F to 122°F) 0°C to 50°C

Operating Humidity Range 0 to 95% (non-condensing)

Housing Material High-impact ABS plastic

Terminal Block Torque 0.5 to 0.6 N-m (0.37 to 0.44 in-lbf )

IP Rating IP 30

CO2 TRANSMITTER

Sensor Type Non-dispersive infrared (NDIR), diffusion sampling

Output Range 0 to 2000/5000 ppm (selectable)

Accuracy ±30 ppm ±3% of measured value

Repeatability ±20 ppm ±1% of measured value

Response Time <60 seconds for 90% step change

CO2 Wall-mounted Sensor

Wall-mounted CO2 Sensor

Installation Guide

Document Part # 026-4858 Rev 0 Page 2 of 7

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Installation

1. Remove the cover by pressing the tab on the bottom of the sensor while pulling outward on the bottom edge of the cover.

DISPLAY MODELS

LCD

52mm (2.05 in), segmented with 3 buttons

Setpoint: 0-10Vdc. Temperature, humidity or fan speed selectable

Timeout override: Display timeout**

Lockout override: Touchscreen/button lockout**

OVERRIDE

Override Button Display models feature momentary-to-ground override button

WIRING TERMINALS

Terminal Blocks Screw terminals, 18-24 AWG

Screw Terminal Torque 0.2 N-m (2.0 in-lbF) max.

COMPLICANCE INFORMATION

Agency Approvals

UL 916, European conformance CE: EN61000-6-2,

EN61000-6-3, EN61000 Series - industrial immunity, EN 61326-1

FCC Part 15 Class B, REACH, RoHS, RCM (Australia), ICES-003 (Canada)

Document Part # 026-4858 Rev 0 Page 3 of 7

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2. Position the sensor vertically on the wall, 4 feet (1.5 m) above the floor. Place so that the “Install This End Up” statement

on the board is in the upper right corner.

3. Mount the backplate onto the wall using the screws provided.

4. Wire the backplate. Connect the wires to the screw terminals. Do not over-tighten the screws.

1 2

Document Part # 026-4858 Rev 0 Page 4 of 7

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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 Page 5 of 7

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Wiring

1. Use Belden #8771 shielded three-conductor cable or equivalent.

2. Connect the RED, BLACK, and WHITE wires to the screw terminals of the CO2 sensor’s connector as shown in the image

below.

3. For TEMP OUTPUT wiring connect the BLACK wires to the 0V terminal of the input board. Connect the WHITE wire to the

SIG terminal of the input board. RED wire not used for TEMP OUTPUT; clip and insulate. Connect the SHIELD wire to chassis

ground near the MultiFlex board.

4. For C02 OUTPUT wiring connect the BLACK wires to the 0V terminal of the input board. Connect the WHITE wire to the

SIG terminal of the input board. Connect the RED wire as described in Step 5. Connect the SHIELD wire to chassis ground

near the MultiFlex board.

5. Connect the RED wire to one side of the 24VAC power output of the P/N 640-0039 Class 2 isolated non-center tapped

transformer. Connect the other side of 24VAC output from transformer to the MultiFlex 0V input terminal used for CO2

OUTPUT signal. Do not use the MultiFlex or 16AI power transformer to power the C02 sensor.

6. Locate the input dip switch for the sensor point, and set to the OFF position (LEFT for MultiFlex, DOWN for 16AI).

Refer to the input board’s user manual for locations of the input dip switches.

LEGEND

Power

Common

Temp Output

CO2 Output

Document Part # 026-4858 Rev 0 Page 6 of 7

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Operations

Emerson wall-mounted humidity sensors measure the levels of RH and temperature (if equipped) in the air inside of

a room. To maintain accurate functionality, keep all pickup vents clear and free of dust, debris, etc.

Dimensions

LCD Display

Button functions:

This document may be photocopied for personal use.

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The contents of this publication are presented for informational purposes only and they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or

applicability. Emerson reserves the right to modify the designs or specifications of such products at any time without notice. Responsibility for proper selection, use and maintenance of any product remains solely with the

Document Part # 026-4858 Rev 0 Page 7 of 7

Display Icons:

The main screen displays a sensor values for CO2, temperature and Celsius/Fahrenheit.

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