Telaire Ventostat 8000 Series User manual

Ventostat®8000 Series

Commercial Product - Operation/Installation Manual

Carbon Dioxide (CO2) Sensors and Controllers

Covers the following Models: 8001 / 8001B / 8002 / 8002B / 8007 / 8008

Installing The Sensor

NOTICE!

Use of cellular telephones or radio transceivers within two (2) feet of the

sensor during calibration process could cause sensor interference, calibration

errors and affect sensor accuracy. Please refrain from using these devices

during sensor calibration.

Basic Installation of the Mounting Plate and Sensor

1. Prepare for installation by using the mounting holes configured for US or

European junction boxes.

2. Use the mounting plate as a template to mark mounting holes.

3. Secure the Mounting Plate to the wall or junction box and make necessary

wire connections.

4. Mount the Controller on the base by aligning the top clips and then

securing to the bottom clips. A“snap” sound will indicate that the sensor is

secure. The sensor will now have power. A 2 minute warm-up will take

place. After 2 minutes, the sensor will stabilize and display the “Normal

Mode” (current CO2readings).

5. At this point one of nine preset programs or one custom channel can be

selected for operation. Refer to “Configuring the Sensor.”

6. Finish installation by sliding the cover over the menu keys and secure with

the supplied screw.

2-3. 4.

Sensing Duct CO2Concentrations

Duct-Mounting the 8001B and 8002B

The 8001B and 8002B have the UL94-V5 rated black case and are specifically

designed for mounting inside the return air ductwork. When mounting these

products inside the ductwork, seal the hole around the wires and leave the duct

insulation in place to prevent condensation which may damage the sensor.

Pitot Tube Installation for the 8007 and 8008

Install the mounting bracket then install the pitot tube assembly as follows:

Note: The length of the Tygon®

tubing is three feet. In order to

maintain optimum accuracy, the

tubing should not be lengthened.

If the sensor is mounted closer

than three feet, the excess

tubing should be shortened to

avoid interference with mechani-

cal or moving devices.

1. To mount the pitot tube, drill one 7/8” hole through the duct.

2. Insert the pitot tube and mark the two remaining holes for the

mounting screws.

3. Punch or drill the two marked holes.

4. Note the direction of airflow in the duct.

5. Note the marking on the pitot tube flange and insert

so that it is properly aligned with the airflow.

6. To ensure an air tight seal, make sure the mounting

surface of the duct is clear of dirt or obstructions. Then, attach the pitot tube

to the duct with sheet metal screws or rivets.

7. On top of the sensor, unscrew the protective caps from the tube connectors.

8. Check the length of the tubing before attaching to the sensor. The tubing

should connect without stretching or pulling. If the length is long enough to

create a loop or bind in the tubing, it should be shortened.

9. To shorten the tubing, remove the connectors that attach to the sensor and

cut the tubing to length.

10.Replace the tubing connectors by using a twisting or screwing motion.

Verify the connection is secure.

Note: If the tubing length has been shortened, be sure the in-line filter is

replaced on the pitot tube connector marked with an “H”.

11. Complete the installation by screwing the tube connectors to the input

ports on the sensor. The tubing connectors can be attached to either input

port. It will not affect the performance of the sensor.

FLOW

Filter must be

attached to the

“H” side of the

pitot tube

Stripwireonly1/4"

Donotallowloose

strandstocontact

adjacentwires. 1/4"

Usedrawing

asaGuide

Warning:

PinDesignations

1.AC+/DC+

2.AC-/GND

18-36VACrmsor

18-42VDC

100mAPeak,

70mAavg@24 VDC

PowerRequirements

PinDesignations

1.NotUsed

2.NotUsed

3.RelayNormOpen

4.RelayCommon

5.RelayNormClosed

6.4-20mAOutput

7.SignalGround

8.0-10VOutput

clear

mode

enter

5- 6.

Accessory Enclosures

Model 1508 Duct Mount Enclosure (Aspiration Box)

Any 8000 product can be installed inside a Model 1508 Duct Mount Enclosure.

Model 1551 Outside Air Measurement Enclosure

This NEMA-3R weatherproof for measuring outside air CO2concentrations.

Includes heat stabilizers.

Model 1505 Harsh Environment Enclosure

For extreme environments where the sensor might be subjected to condensa-

tion or water spray such as those found in greenhouses or breweries- NEMA-

3R rated.

Typical Wiring Diagrams

AC Power 3-Wire System Isolated AC Power 4-Wire System

62659-00609/08/2004

6860 Cortona Drive, Suite B - Goleta, California, 93117

P- 805-685-4000 F- 805-685-0015

Use Either Output

0-10Vout

4-20mAout

18-30 VAC RMS

Input

Common

Ventostat Mounting Bracket

0-10Vout

4-20mAout

18-30 VAC RMS

Signal Ground

Input

Common

Ventostat Mounting Bracket

Warranty

6860 Cortona Drive, Suite B, Goleta, CA93117  P- 805-685-4000  F- 805-685-0015  www.telaire.com

Telaire seeks to present reliable information concerning the composition, properties and use of its products, however; (1) All advice concerning selection and use of any product is

provided at no charge and with no warranty. (2) No warranty is made hereby. Products described herein are warranted to conform to Telaire specifications only at the time of sale. All

sales are subject to Telaire standard terms and conditions, which are reproduced on the reverse side of each invoice. All warranties of merchantability and fitness of purpose are

disclaimed and remedy for any breach of warranty is limited to replacement of the defective product. (3) Telaire assumes no responsibility for any patent liability arising from the use

62659-00609/08/2004

Troubleshooting

Symptom

•LCD Display is blank after the 2 minute warm-up period (8002 and 8008

models).

Remedy

•Remove the sensor from the wiring plate and check the voltage on pins 1

and 2 of the 2-pin terminal block. The voltage should be: 18-30 VAC RMS or

18-42 VDC.

•Ensure that the sensor pins that connect to the 2-pin terminal block are not

broken, bent, or damaged.

•If the LCD display is still blank after replacing the sensor on the mounting

plate, call Telaire or your distributor/dealer for a return authorization number.

Symptom

•Green light is not illuminated (8001 and 8008 models) after the two minute

warm-up period.

Remedy

•Remove the sensor from the wiring plate and check the voltage on pins 1

and 2 of the 2-pin terminal block. The voltage should be: 18-30 VAC RMS or

18-42 VDC.

•Ensure that the two pins on the sensor that connect to the 2-pin terminal

block are not broken, bent, or damaged.

•If the green light is still not illuminated after replacing the sensor on the

mounting plate, try verifying the sensor operation using the UIP8000

computer interface or checking the output signal on the building automation

system.

•If there is not an output signal, call Telaire or your distributor/dealer for a

return authorization number.

Symptom

•Suspect the sensor is out of calibration.

Remedy

•Compare the sensor reading to a Telaire 7001 hand-held CO2monitor, or

•Take another sensor from the building and replace the suspect sensor to see

if the readings are similar, or

•Connect the sensor outdoors (if possible). The readings should be between

350 and 450 ppm, or

•Connect the sensor to nitrogen gas from a Model 2075 calibration kit. The

reading should be close to zero.

•If the sensor proves to be out of calibration, calibrate the sensor according to

the instructions included in your calibration kit or return the sensor to Telaire

for factory calibration (call for a return authorization number).

Symptom

•Relay does not actuate at the proper setpoint.

Remedy

•Using the LCD menu or the UIP8000 computer interface, verify that the relay

setpoint is correct.

•Return the sensor to normal operating mode, and breathe into the sensor to

raise the ppm value above the relay setpoint.

•If the relay does not actuate at the proper setpoint, call Telaire or your

distributor/dealer for a Return Authorization (RA) number.

Specifications

Method

Single Beam Absorption Infrared™

Diffusion sample method (8001, 8001B, 8002, 8002B)

Flow-Through sample method (70-120 ml/min) (8007, 8008)

Performance

Measurement Range

0-2000 ppm factory default

Adjustable to 10,000 ppm with UIP software kit

Accuracy

±100 ppm or 7% whichever is greater

Elevation (Pressure) Correction

Add 0.13% of reading per mm Hg decrease from

760 mm Hg (On-board correction, user set with UIP software)

Response Time 0-90%

<1 minute

Warm-Up Time @ 25oC

<2 minutes

Operating Conditions

15 – 32°C (60-90°F)

0 – 95% RH, non-condensing

Storage Temperature

-40 – 70°C

Agency Certification

FCC Part 15 Class B, CE, California Energy Commission

Input/Output

Power

18-30 VAC RMS, 50/60 Hz – half-wave rectified

18-42 VDC polarity protected

1.75 VA maximum average power

2.75 VA peak power

Analog Output (Simultaneous)

0-10 VDC (100 Ohms output impedance)

4-20 mA (RLmax = 500 Ohms)

Relay Output

Normally Open and Normally Closed (wire either way), gold bifurcated, 2A

max. @ 24VAC. Adjustable setpoint, factory set at 1000 ppm, 50 ppm

hysteresis

Wiring

18-28 AWG stranded copper wire only. 2 wires each for power, analog output,

relay

Digital I/O

RS-232 interface for use with optional PC software and cable in UIP kit 2072

Warranty/Other

Warranty

18 months parts and labor

This product is covered by one or more of the following patents:

5,650,624 / 5,721,430 / 5,444,249 / 5,747,808 / 5,834,777 / 5,163,332 /

5,340,986 / 5,502,308 / 6,344,798 / 6,023,069 / 5,370,114 / 5,601,079 /

5,691,704 / 5,767,776 / 5,966,077 / 6,107,925 / 5,798,700 / 5,945,924 /

5,592,147 / 6,255,653 / 6,250,133 / 6,285,290

24VAC+

24VAC

GND

AI-3

AI-CM

TB1

Input

Common

Ventostat Mounting Bracket

Configuring the Sensor

Adjustable Sensor Settings

The Telaire 8000 series includes features which are user adjustable. These

adjustments can be made using the keypad on display units or by the PC

based UIP program that communicates to the sensor via a custom RS232

interface cable.

Factory Settings

The default settings are the typical settings used by a building control system.

If the installation requires changes to the sensor, the user can customize

certain characteristics of the sensor. For example, non-factory settings may be

applicable when the sensor is being connected to equipment that has a fixed

input range (e.g actuators used with economizer systems).

Outlined below are the adjustable parameters of the sensor and the factory

setting. In addition to these adjustable features, the programming interface

allows for a fast and simple adjustment of sensor calibration.

Sensor Programming Features

All Telaire 8000 series products are calibrated at sea level. As altitude

increases, the accuracy of this sensor, as all gas sensors, introduces an error

of approximately -3% of the reading per 1,000 ft of elevation. Users that are in

elevations significantly higher than sea level such as Denver, Colorado should

consider adjusting the altitude to have the most accurate reading. The altitude

setting can be adjusted on the unit in 500 ft increments.

ABC Logic™ Self Calibration System

All Telaire 8000 series sensors are factory set with the ABC Logic™ (Automatic

Background Calibration) self calibration feature ON. This feature allows the

sensor to continually recalibrate itself when the indoor concentrations drop to

outside levels while the building is unoccupied. Generally a building must be

regularly unoccupied for 4 hours or more for this self-calibration system to

operate properly. Under these conditions, ABC Logic™ should maintain sensor

calibration over the lifetime of the sensor. The ABC Logic™ should be turned

OFF where a building is continuously occupied 24 hours per day, or where

there could be significant sources of non-occupant related CO2 such as

greenhouses, breweries and other industrial and food processing applications.

Pre-Programmed Settings

In addition to the factory setting for the 8000 series sensors, there are 9

standard settings that can easily be selected using the keypad (display units

only) or the PC based UIP Program. The chart below describes each of the

settings. The definitions for some of the terms used in the chart are described

in more detail as part of the custom settings section to follow.

Settings 1, 2 and 3 are applicable for automated or computerized building

control systems.

Settings 4 to 7 are specifically designed for operation with economizer controls

and actuators where a 0-10 VDC signal will provide 0-100% outside air modula-

tion. These control settings provide different modulation ranges depending on

the target cfm-per-person ventilation rate desired. As described below the

exponential setting is best used in applications that have large volumes of air

and people such as auditoriums, gyms and large conference areas.

Setting 8 is for use in occupational health and safety applications where users

want to measure concentrations in relation to the 5000 ppm 8 hour exposure

levels established by OSHA (Occupation Safety and Health Administration).

Setting 9 is intended for use in parking garages where CO2can be used as an

indicator of the presence of combustion fumes. As part of most types of

combustion, CO2is generated at a rate that is 50 times or more of other more

harmful contaminants. This is particularly the case with the extensive use of

catalytic converters that tend to remove most of the carbon monoxide from

vehicle exhaust. The 700 ppm setting should maintain levels of other exhaust

contaminants well below levels of concern.

Using the Relay Contacts

Lennox L-Series w/ Johnson Controls

Metasys UNT or Facilitator FA-UNT

Lennox L-Series

Set minimum postion potentiometer to twice the design load. For example, if the space is

designed for 30 people at 15 cfm/person, adjust the minimum position potentiometer at the

economizer logic to 900 cfm. This will allow the economizer to introduce 450 cfm (1000 ppm

CO2 level) at the design load. The CO2 sensor should use “STDSET#1.”

NOTE: 24V- Do not use HVAC unit transformer. Provide 24V by non-grounding transformer.

Honeywell M7415 Damper Actuator with W7459 Logic Module

1 Not Used

2 Not Used

3 Relay Norm Open

4 Relay Common

5 Relay Norm Closed

6 4-20mA Output

7 Signal Ground

8 0-10V Output

1 AC+ / C+

2 AC- / GND

8-Pin and 2-Pin Terminal Block Pin

Designations on the Ventostat

Mounting Bracket

18-30 VAC RMS

NC NO

COM

Ventostat®

Mounting Bracket

Input

Common

Typical Wiring Diagrams (Continued)

Johnson Controls M100E Economizer Actuator with R81EAA-2 Interface Board

(P1)

(P)

Rear View

Front View PP1

Honeywell Damper

Actuator M7415 and

W7459 Logic Module

(-)

(+)

Honeywell

Q769C 0-10 Vdc

Adaptor

Black

Optional High

and/or Low

Temp Swtich

White

18-30 VAC RMS

Input

Common

Ventostat Mounting Bracket

M100E

8T2

A91 Mixed Air

Thermistor

Open

Y45AA-9 Remote Minimum

Position Potentiometer

(1,000-10,000 ohm)

Common

Input

Common

Ventostat Mounting Bracket

NC NO

COM

Ventostat Mounting Bracket

Input

Common

910 11 12 13 14

24VAC+

24VAC

GND

24VAC In

Common

+10VDC In

TB1

8000 Series Adjustment Parameters and Factory Settings

Range

0-10,000Ft

On/Off

1to 9

0-10,000

4-20mA/0-10V

SelectOne

0-10,000PPM

FactorySetting

0Ft

0-2,000

4-20mA/0-10V

Proportional

1000PPM

50PPM

Adjustment

AltitudeAboveSea Level

ABCLogic™

SelectStandard Setting

CustomizeSetting

PPMRange

OutputRange

Proportional/

ExponentialOutput

RelaySetpoint

RelayHysteresis

Custom Settings

In addition to the 9 standard settings programmed into the 8000 series, users

can also custom program the sensor for their own application. Outlined below

is a brief description of each of the adjustable custom settings:

•Control Range: The range that will correspond to the analog signal output

range. The range consists of a low level and a high level in ppm. Setting this

range does not limit the actual measurement or display range.

•Analog Output Range: Can be expressed in V or mA. This range will

correspond to the range of CO2concentrations established in the measure-

ment range. A V and mA output is selected based on the wiring terminals. It

is possible to simultaneously connect to both the V and mA outputs.

•Proportional or Exponential Control: Proportional (linear) control

increases the signal output in proportion to the increase in CO2concentra-

tions for the measurement range and analog output range selected.

Exponential control provides an output function that is exponential over the

selected range of the sensor. The effect of the exponential output is to

initially introduce more ventilation to the space as concentrations are at the

lower level of the control range. The exponential output is particularly useful

for areas of potential high occupancy and high air volume where significant

time may be required for CO2levels to build up. Potential applications

include arenas, gyms, auditoriums and large conference areas. Examples of

both types of outputs are provided below.

Standard Settings Adjustable via keypad or UIP Interface

Typeof

Equipment

Interfacew/Standard

BuildingControl System

Interfacew/Standard

BuildingControl System

Interfacew/Standard

BuildingControl System

Economizer(Hvac)

Health& Safety

Parking/AirIntakes/

LoadingDocks

Type

Output

Proportional

Exponential

Proportional

Exponential

Proportional

Ventilation

Rate

(cfm/

Person

Any

Analog

Output

0-10V

4-20mA

2-10V,

7-20mA

0-10V

4-20mA

0-10V

4-20mA

0-10V

4-20mA

0-10V

4-20mA

0-10V

4-20mA

0-10V

4-20mA

0-10V

4-20mA

CO2

Control

Range

(ppm)

0-2000

0-1100

0-900

0-1100

0-900

0-9999

0-2000

Optional

Relay

Setpoint

(ppm)

1000

1100

900

1100

900

5000

700

Relay

Hysteresis

(ppm)

500

Setting

•Relay Set Point: Establishes the level at which the on-board relay will

activate. The relay is a double pole single throw (DPST) relay that allows the

user to operate the relay normally open or normally closed based on the

selection of wiring terminals connected on the sub-base.

••

•Relay Hysteresis (Deadband): Is the point at which the relay will de

activate. It is entered as a ppm value below the setpoint. Asensor with a

relay setting of 1000 and a hysteresis of 50 would activate at 1000 ppm and

deactivate at 950 ppm.

Increasing Ventilation

Design Ventilation Rate

Exponential Control Approach

Proportional CO2 Control Approach

Minimum Position = Vs

Maximum Position = Vs+Vp

Base Ventilation For Sources

Ventilation

Based On

CO DCV

Relay Control

Approach

Deadband

Setting Setpoint

500 1000

Inside/Outside CO Differential

Equilibrium CO Concentration

For Target Ventilation Rate

(15 CFM = 700 PPM)

Adjusting Sensor Using Display

Button Functions:

[CLEAR] - Resets Menu / Returns to Normal Mode

[MODE] - Toggles to Next Menu Item

[ENTER] - Press to Lock Menu

[UP/DOWN] - Increase/Decrease Selection Value

Altitude Correction and ABC LogicTM (On/Off):

1. After 2 minute warm-up period, press CLEAR + MODE. Hold at least 5

seconds until the sensor enters the edit mode.

2. The first menu is Altitude correction. Use the UP/DOWN Rocker Button to

adjust to the proper altitude in 500 ft. increments.

3. Press ENTER to lock in value then press MODE to proceed to ABC Logic.

4. Use the UP/DOWN Button to switch to ON or OFF.

5. Press ENTER to lock value then press MODE to proceed to Normal Mode.

It is recommended that ABC Logic is left ON for the best sensor operation.

Selecting a Pre-Programmed Setting:

The pre-programmed settings shown in the “Standard Settings” Table are

factory set and cannot be changed. These settings can be selected from the

Standard Settings (STDSET) menu. The Altitude and ABC Logic™ features

can be changed without entering the Standard Settings (STDSET) menu.

1. After 2 minute warm-up period, press CLEAR + MODE and hold (at least 5

seconds) until the sensor enters the edit mode.

2. Press MODE 2 times. You will enter the STDSET menu.

3. Use the UP/DOWN button to select the desired pre-programmed number.

Refer to “8. Configuring the Sensor” for the appropriate setting number.

4. Press ENTER to lock selection, press MODE to return to Normal Mode.

For Non-Standard (Custom) Settings:

The non-standard (custom) settings can be changed at any time after the

sensor is powered up. The 7 variables are: PPM Range, Scale (proportional or

exponential), Output (V or mA), Output Range V, Output Range mA, Relay

Setpoint, and Relay Hysterisis. The Altitude and ABC Logic™ features can be

changed without entering into the Non-Standard (NONSTD) menu.

1. After 2 minute warm-up period, press CLEAR + MODE and hold (at least 5

seconds) until the sensor enters the edit mode.

2. Press MODE 2 times. You will enter the STDSET menu.

3. Use the UP/DOWN Rocker Button to toggle to the NONSTD menu.

4. Press MODE to move through the variables. Use the UP/DOWN button to

toggle to desired setting.

5. Press ENTER to lock in the selection, press MODE for the next variable.

Adjusting the Sensor with the UIP Program

The UIP 8000 (Model 2072) is a Windows based interface program designed

to work with Ventostat ventilation controllers. It allows quick, easy adjustments

to the output, elevation, relay setpoint, hysteresis and can be used with

calibration for calibration.

This program is ideal for units without display but can also be used with

display. The UIP accessory package comes with the program and cables for

connecting the sensor to a laptop computer equiped with a serial communica-

tions port.

Below is a screen capture of the easy-to-use program.

Screen Shot of Main UIP Screen

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