Vaisala CARBOCAP GMW80 Series User Manual
Carbon dioxide and temperature transmitters
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Summary of Contents for Vaisala CARBOCAP GMW80 Series
- Page 1 USER'S GUIDE Vaisala CARBOCAP® Carbon Dioxide and Temperature Transmitters GMW80 Series M211748EN-A...
- Page 2 The contents of this manual are subject to change without prior notice. This manual does not create any legally binding obligations for Vaisala towards customers or end users. All legally binding obligations and agreements are included exclusively in the applicable supply contract or the General Conditions...
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Page 3: Table Of Contents
Table of Contents 1 General Information About This Document Documentation Conventions Safety ESD Protection Recycling Regulatory Compliances Trademarks Software License Warranty 2 Product Overview Introduction to GMW80 Series Transmitter Models Transmitter Parts Temperature Setpoint Potentiometer Analog Output Overrange Behavior 3 Installation Selecting Location Opening and Closing the Transmitter Installing the Mounting Base... -
Page 4: General Information
1 General Information GENERAL INFORMATION About This Document This document provides information for installing, operating, and maintaining GMW80 series transmitters. Table 1 Version Information Document Code Description M211748EN-A November 2014. First version. Table 2 Related Documents Document Code Description M211660EN GM10 Quick Guide Documentation Conventions Warnings alert you to a serious hazard. -
Page 5: Safety
ESD Protection Electrostatic Discharge (ESD) can cause immediate or latent damage to electronic circuits. Vaisala products are adequately protected against ESD for their intended use. It is possible to damage the product, however, by delivering electrostatic discharges when touching, removing, or inserting any objects inside the equipment housing. -
Page 6: Regulatory Compliances
All other trademarks referred to are the property of their respective owners. Software License This product contains software developed by Vaisala. Use of the software is governed by license terms and conditions included in the applicable supply contract or, in the absence of separate license terms and conditions, by the General License Conditions of Vaisala Group. -
Page 7: Product Overview
2 Product Overview PRODUCT OVERVIEW Introduction to GMW80 Series The Vaisala GMW80 series CARBOCAP® carbon dioxide and temperature transmitters are wall-mount transmitters designed to fulfill the needs for CO measurements in standard demand controlled ventilation applications. The CO measurement is based on a new generation CARBOCAP® sensor, which uses a novel, silicon-based microchip emitter instead of an incandescent light bulb. -
Page 8: Transmitter Parts
2 Product Overview Transmitter Parts Figure 1 GMW80 Series Transmitter Parts 1 = Opening tab. 2 = Screw terminals. The wiring information is marked on the mounting base next to the terminals. 3 = Barrier to prevent the cable from being routed below the GM10 measurement module. - Page 9 2 Product Overview Figure 2 GMW80 Series Component Board Parts 1 = Pins that connect the transmitter cover to the screw terminals when the transmitter cover is in place. 2 = Pt1000 temperature sensor. 3 = GM10 carbon dioxide measurement module. 4 = Potentiometer component (model GMW86PT only).
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Page 10: Temperature Setpoint Potentiometer
2 Product Overview Temperature Setpoint Potentiometer Some GMW80 series transmitter models include a temperature setpoint function that gives the occupant of the monitored space a way to adjust the temperature. The setpoint function is implemented using a passive 10 kΩ potentiometer (variable resistor) that is mechanically actuated by a setpoint wheel on the lower part of the transmitter. -
Page 11: Analog Output Overrange Behavior
2 Product Overview Analog Output Overrange Behavior Analog outputs of the GMW80 series transmitters have a defined behavior when the values measured by the transmitter are outside the scaled analog output range: Output of the CO measurement is clipped at the end of the scaled output range (2000 ppm). -
Page 12: Installation
3 Installation INSTALLATION Selecting Location When mounting wall model transmitters: Select a location that represents well the area of interest. Do not install on the ceiling. Avoid placing the transmitter near heat and moisture sources, close to the discharge of the supply air ducts, and in direct sunlight. Figure 3 Selecting Transmitter Location Seal the cable opening when bringing a cable through the wall. -
Page 13: Opening And Closing The Transmitter
3 Installation Opening and Closing the Transmitter GMW80 series transmitters are delivered from the factory with a pull tab that makes it easy to open the transmitter for installation. To open the transmitter after it has been installed: 1. Remove the locking screw if it has been installed. 2. -
Page 14: Installing The Mounting Base
3 Installation Installing the Mounting Base Use the mounting holes to attach the mounting base securely. Use at least two screws (not included). The mounting holes are suitable for the most common European, American, and Asian mounting boxes. The mounting base can be twisted on to pre-mounted screws. -
Page 15: Wiring
3 Installation Wiring Connect the wiring to the screw terminals on the mounting base. The terminal assignments are marked next to the screw terminals. Maximum wire size is 2 mm (AWG14). Route the cable through the hole in the mounting base if possible. You can also bring the cable to the housing from above or below, but you have to break off the small plastic tab that covers the hole on top or bottom of the mounting base. -
Page 16: Wiring Gmw86P
3 Installation Wiring GMW86P Figure 7 GMP86P Wiring Wiring GMW86PT Figure 8 GMP86PT Wiring... -
Page 17: Maintenance
4 Maintenance MAINTENANCE Cleaning The body of the transmitter can be cleaned by wiping with a moistened lint-free cloth. Do not use cleaning agents or solvents, or blow pressurized air into the transmitter housing. If you suspect the CO measurement module is dirty, do not attempt to open it. -
Page 18: Replacing The Co2 Measurement Module (Gm10)
4 Maintenance Replacing the CO Measurement Module (GM10) GM10 spare part module (Vaisala order code GM10SP80) Flat head screwdriver (for opening the transmitter) 1. Disconnect the transmitter body from the mounting base. 2. Locate the GM10 module on the transmitter. The module is a separate component board with a golden cuvette that contains the CARBOCAP®... -
Page 19: Troubleshooting
5 Troubleshooting TROUBLESHOOTING Problem Situations Table 4 Possible Problem Situations and their Remedies Problem Possible Cause Remedy Analog output reading is Analog output is in error Inspect the transmitter for unchanging and appears state. the cause of the error and incorrect. -
Page 20: Error State
5 Troubleshooting Problem Possible Cause Remedy Use a portable reading is too low. The measured area contains instrument to verify the materials that bind CO reading at the (such as fresh concrete), installation location. Avoid producing a low-CO breathing on the environment. -
Page 21: Technical Support
5 Troubleshooting Technical Support For technical questions, contact the Vaisala technical support by e-mail at helpdesk@vaisala.com. Provide at least the following supporting information: Name and model of the product in question Serial number of the product Name and location of the installation site Name and contact information of a technically competent person who can provide further information on the problem. -
Page 22: Technical Data
±(15 ppm + 2% of reading) over five years 1 min Warmup time 10 min for full specification Response time (63 %) 60 s Carbon dioxide sensor Vaisala CARBOCAP® GM10 Temperature Temperature sensor Pt1000 RTD Class F0.15 IEC 60751 Product lifetime >15 years Table 6 Operating Environment... - Page 23 6 Technical Data Table 7 Mechanics Property Specification IP class IP30 Housing material ABS/PC UL-V0 approved Housing color White (RAL9003) Screw terminal Output connector Max wire size 2 mm (AWG14) Weight GMW86P 114 g GMW86PT 120 g Table 8 Inputs and Outputs Property Specification 18 ...
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Page 24: Dimensions
6 Technical Data Dimensions All dimensions are in millimeters (mm). Figure 10 GMW86P Dimensions Figure 11 GMW86PT Dimensions... -
Page 25: Spare Parts And Accessories
6 Technical Data Spare Parts and Accessories Information on spare parts, accessories, and calibration products is available online at www.vaisala.com and store.vaisala.com. Table 9 Spare Parts and Accessories Item Order Code module GM10SP80... - Page 26 *M211748EN*...