Emerson 210-2002 Operating manual



Wall-Mounted Dewpoint Sensor

Product Information Sheet 210-2002

Input Status Screen

Figure 1 - Sensor and Input Board Wiring

Overview

The 210-2002 is a Vaporstat™ wall-mounted

dewpoint sensor. The sensor is designed for

measuring indoor or outside dewpoint or absolute

humidity level.

Sensor Wiring

1. For wiring the dewpoint sensor to a CPC

input board, use Belden #8761 shielded two-

conductor cable or equivalent.

2. Connect the BLACK and WHITE wires to the

screw terminals on the sensor’s connector as

shown in

Figure 1

(connect BLACK to Signal

Ground and WHITE to 0-5V Output). Clip the

SHIELD wire.

3. Connect the SHIELD and BLACK wires to the

0V terminal of the input board. Connect the

WHITE wire to the SIG terminal of the input

board.

4. Connect 24VAC (a separate 120VAC/24VAC

transformer must be used P/N 640-0039) to

the power terminal on the dewpoint sensor

back plate using the BLACK and WHITE wires.

(This 24VAC transformer must only be used

to power this dewpoint sensor. Do not use

this transformer to power additional

devices.)

5. 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.

Controller Setup

NOTE:

DO NOT set this sensor up with a sensor type

of “Dewpoint”; that setting is only for CPC

Dewpoint Probes (P/N 203-1902). This

dewpoint sensor MUST be set up as a linear

sensor type.

E2/Einstein

1. After logging into the controller, press

6+ to open the Input Status screen or

press the Ikey, (System

Configuration), (Input Summary). (If

using an Einstein, press

(ACTIONS) from

the Home screen. Press

(System Setup).

Press

(Input and Output Point Setup).

Press

(Input Summary) to open the Input

Summary screen.)

Wall-Mounted Dewpoint Sensor

Product Information Sheet

Wall-Mounted Dewpoint Sensor

Product Information Sheet 210-2002

E2 Actions Menu for Selected Input

2. Highlight the input-point the sensor is

attached to and press (SETUP) to set

up the input, or press to open the

Actions Menu and select 5(Setup). (If using

an Einstein, select an input point and press F7

(SETUP IN) to open the Analog Input screen.)

3. Select Analog to set up the input as analog.

The Analog Input screen will display:

4. Once on the Analog Input screen, move the

cursor to the Sensor Type field, press

(LOOK UP), and set to Linear. (If using

an Einstein, press F7 (LOOK UP) and set to

Linear.)

5. Move cursor to Select Eng. Units and press

(LOOK UP). Set this field to DF (for

Degrees Fahrenheit). (If using an Einstein,

press F7 (LOOK UP) and set to DF.)

6. Then set the following sensor properties:

•Set the Modify field to: EndPoint. (If

using an Einstein, press F7 (LOOK UP)

and set to EndPoint.)

Set Sensor Type to Linear

Option List Selection Menu For Sensor Type

Set Sensor Type to Linear

Wall-Mounted Dewpoint Sensor

Product Information Sheet 210-2002

•Set the Low End Point field to 0.

•Set the HighEnd Point field to 5.0.

•Set the Low Eng. Units field to 0.

•Set the High Eng. Units field to 80.

•Set the Low End Limit field to -0.5.

•Set the HighEnd Limit field to 6.5.

REFLECS

1. Log in to the controller.

2. From the Main Menu, select 4-Sensor

Control.

3. From the Sensor Control screen, select 2-

Setup.

4. From the Select Sensor screen, choose the

sensor you wish to set up:

5. Once you select a sensor, the Sensor Setup

screen opens. Enter a name for the sensor in

the Name field (for example, DEWPOINT)

and set the Type field to Linear by using the

scroll keys or pressing the red button + the

(L) button.

6. Press 0to go back to the Sensor Control

screen. Select 3-Setpoints and then choose

the sensor to set Gain and Offset.

Analog Input Screen - Set Sensor Properties

REFLECS Login Screen

REFLECS Main Menu Screen

Sensor Control Screen

Select Item Screen

Sensor Control Screen

Wall-Mounted Dewpoint Sensor

Product Information Sheet 210-2002

7. Set Gain to 16, Offset to 0(the default) and

enter degrees fahrenheit units into the Eng.

Unit field (for example, type DEGF).

8. To check the sensor input value, press 0to

go back to the Sensor Control screen and

select 1-Status.

Set Up Zero Calibration

The Zero Calibration mode allows the user to

calibrate the sensor to a verified zero concentration

of water vapor. For best results, allow the sensor to

warm up for at least 10 minutes.

For zero calibration, all tubing should be connected

between the gas bottle and the sensor inlet flow port.

Before initiating calibration using the sensor keypad,

the gas should be flowed to the sensor at a rate of 80-

100 cc\minute for a period of five minutes.

Observe the following steps to set up Zero Calibration

mode.

1. Attach the short hose to the bottom port on

the flowmeter.

2. Attach the long hose to the top port on the

flowmeter.

3. To ensure the meter is kept in the vertical

position, secure the flowmeter to the side of

the gas bottle using the supplied tie wrap.

4. Remove the protective cap from the

nitrogen bottle and attach the gas regulator.

5. Attach the open end of the bottom hose

(located on the flowmeter) to the gas

regulator. Slide the hose far enough on the

gas port to ensure a secure, airtight

connection.

6. Insert the male luer fitting (located on the

longer hose) into the calibration port,

located on the bottom of the dewpoint

sensor.

7. Verify that all components are installed

correctly and initiate the calibration process

by turning the knob on the regulator. Turn

the knob until the indicator reaches 7 psi.

8. Turn the flowmeter knob until the floater

reaches 80-100 cc/minute.

9. Allow the gas to flow for at least 5 minutes

before proceeding.

Sensor Control Screen

Sensor Setpoints for Linear Input

Sensor Status Screen – Sensor Value

Wall-Mounted Dewpoint Sensor

Product Information Sheet 210-2002

10. Press the Clear and Enter buttons together

and hold for five seconds. The word CAL will

appear in the topline of the LCD display:

11. Use the arrow buttons to toggle to the Zero

Calibration mode.

NOTE: Prior to pressing the Enter button, the zero

gas should be flowing to the dewpoint sensor

for atleast five minutes.

12. When ZERO is displayed, press the Enter

button to initiate the calibration process.

13. Once the Enter button is pressed, the

calibration process will take five to seven

minutes during which time the green LED

below the display will flash. Once calibration

is completed, the sensor will revert to its

normal display mode.

Calibration Layout

Refer to the calibration topic of the manufacturer’s

manual for the sensor’s zero calibration layout.

Contact your CPC sales representative for calibration

kit (P/N 210-2005) purchasing information.

EmersonTM , Emerson. Consider It Solved

TM and Emerson Climate TechnologiesTM logos are trademarks and service marks of Emerson Electric Co

Intelligent StoreTM is a trademark of Emerson Climate Technologies. All other trademarks are the property of their respective owners.

Vaporstat™ is a registered trademark of Telaire company.

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