ISSUE 2 Installation Instructions for the AWM700 Series Airflow Sensors GENERAL INFORMATION AWM700 Series airflow sensors operate on the theory of heat transfer due to mass gas flow across the surface of the sensing element. The sensing element consists of a resistor bridge heater circuit and dual temperature-sensing resistor bridges. This configuration senses mass flow rates and flow direction. The AWM700 Series amplified sensors contain all necessary circuitry for heater control, sensing bridge supply, and amplifier functions. CAUTION PRODUCT DAMAGE Use a 5-micron filter upstream of the sensor to keep media flow through the sensor free of condensing moisture and particulates. Large, high-velocity particles or conductive particles may damage the sensing element. Failure to comply with these instructions may result in product damage. PK 80150 CONNECT SENSOR 1. Remove (unlatch) the connector from the AWM700. 2. Hand-crimp the interface wire to the appropriate pin on the connector (see Figure 1). 3. Insert the terminal contacts into the connector housing after carrier strip (lead-frame) is removed. 4. Reconnect (latch) connector to the sensor. The AWM700 Series accepts a latch detent connector, such as AMP part number 103956-3. Information and literature on latch detent connectors is available from the AMP Product Information Center, 1-800522-6752 or the Customer Hotline, 1-800-722-1111. (See Table 1.) Table 1. Related AMP Literature Literature Number Name 108-25034 Product Specification (technical performance information) 114-25026 Application Specification (describes product, proper assembly, full tooling information) IS 6919 Instruction Sheet for assembly procedure CAUTION PRODUCT DAMAGE Do not use ultrasonic cleaning. Do not use III Tri-chloroethane, methylene chloride, methyl pyrrolidone, or any oxidizing type acid such as formic acid. Solvent cleaning may attack the epoxy that seals the chip tube. Failure to comply with these instructions may result in product damage. Table 2. Performance Specifications Characteristic Power supply Power consumption Output loading: sinking sourcing . Sensing and Control MOUNT SENSOR Mount the AWM700 with 6-32 screws. Use washers below the screw head. Mounting torque is 0.68 N m [6.0 in-lb] max. Min. 8.000 Typ. 10.000 10 20 Max. 15.000 60 Unit Vdc mW mA mA AWM700 Series Airflow Sensor Issue 2 PK 80152 Figure 1. Mounting Dimensions (For reference only. mm/[in]) Output Connections Pin Description 1 NC no connection WARNING PERSONAL INJURY DO NOT USE these products as safety or emergency stop devices or in any other application where failure of the product could result in personal injury. Failure to comply with these instructions could result in death or serious injury. WARRANTY/REMEDY Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship. Honeywell’s standard product warranty applies unless agreed to otherwise by Honeywell in writing; please refer to your order acknowledgement or consult your local sales office for specific warranty details. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace, at its option, without charge those items it finds defective. The foregoing is buyer’s sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. In no event shall Honeywell be liable for consequential, special, or indirect damages. While we provide application assistance personally, through our literature and the Honeywell web site, it is up to the customer to determine the suitability of the product in the application. ground 3 + supply voltage 4 O output voltage SALES AND SERVICE Honeywell serves its customers through a worldwide network of sales offices, representatives and distributors. For application assistance, current specifications, pricing or name of the nearest Authorized Distributor, contact your local sales office or: E-mail: firstname.lastname@example.org Internet: www.honeywell.com/sensing Phone and Fax: Asia Pacific +65 6355-2828 +65 6445-3033 Fax Europe +44 (0) 1698 481481 +44 (0) 1698 481676 Fax Latin America +1-305-805-8188 +1-305-883-8257 Fax USA/Canada +1-800-537-6945 +1-815-235-6847 +1-815-235-6545 Fax Honeywell 1985 Douglas Drive North www.honeywell.com/sensing - Specifications may change without notice. The information we supply is believed to be accurate and reliable as of this printing. However, we assume no responsibility for its use Sensing and Control Golden Valley, MN 55422 2 80150-2-EN IL50 GLO Printed in USA February 2010 Copyright © 2010 Honeywell International Inc. All rights reserved.
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