Dwyer 670 Bedienungsanleitung

Bulletin AV-670Series 670 Hood MonitorSpecifications - Installation and Operating InstructionsDWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwye

91.2 Alarm Configuration/Calibration The alarm is supplied with a factory configuration.The only part of the configuration that can be changed is the

101.3 Start upWhen unit is powered up the following sequence of events occur:1. The 12V DC power is applied to the airflow sensor and the alarm then p

111.4 Events / actions Safe airflow• Airflow above alarm level (eg > 80 fpm).• Green LED on.Low airflow• Airflow below alarm level for longer tha

122.1 Quick Start Installation Follow the instructions below for installing and commissioning the unit:Before connecting the unit it is important to d

13Calibration continued:Two Point Calibration (with CAL jumper on PCB not connected).a. Open the Sash to the normal operating height and adjust the f

142.2 Calibration Notes:1. The two calibration methods are intended to give the installer two options for calibrating the alarm. 2. Using the Alarm Po

DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.comP.O. BOX 373 • MICHIGAN CITY, IN 46361, U.S.A. Fax: 219/872-9057 e

1Operator Display PanelBuilt-in AIRFLOW SENSORLED indicatorsFunction buttonsCalibration.ENTER- also used asMute button for audiblealarmAV-670:B-32 10

2SERIES 670www.dwyer-inst.comSAFEENTERSETALARMAIR VELOCITY MONITOR3-29/64 [87.88]2-1/64 [51.05]13/64 [5.08]1-1/16 [27.10]5-45/64[145.03]4-61/64[125.98

3 SPECIFICATIONSService: Fume hood face velocity air flow.Alarm Range: 30-400 FPM (0.15-2.0 m/s).Alarm Indication: Red LED & audible alarm.Low A

4 100mm 100mm Norm al Sash w ork ing he igh t. eg. 500mm 670670 FaceOpen to thelaboratory25mmFemale adapterFume cupboardouter skinFume cupboardin

5Installation using Duct ConnectionStandard InstallationWhen using the Duct Connection method the 1/4˝ connection tube acts as a flow restrictor (due

6Relay output 2Rated 250V5A AC1Wiring DiagramNote: The Sash High alarm can operate with the Micro Switch OR the Proximity Switch.Both connec

7External Electrical Connections - The alarm unit will have the following connection points:Input 1 - Volt free relay input - (close contact to activa

81.1 General DescriptionAll systems comprise of the following components :1 - 670 Alarm unit 1 - IOM1 - AC power supply 1 - Vent kit1 - 24˝ tubing 1