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Summary of Contents for Magnetrol STI Echotel 919
- Page 1 Echotel ® Model 919 Installation and Operating Manual Ultrasonic Level Switch Model 919 with ⁄ " NPT Model 919 with sanitary fitting...
- Page 2 Notes contain information that augments or clarifies an operating step. Notes do not normally contain Magnetrol reserves the right to make changes to the actions. They follow the procedural steps to which product described in this manual at any time without they refer.
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Page 3: Table Of Contents
Table of Contents 1.0 Introduction ......1 2.5 Wiring ......4 1.1 Description . -
Page 4: Installation
Check and record the serial number for future reference when ordering parts. Electrostatic Discharge (ESD) Handling Procedure Magnetrol’s electronic instruments are manufactured to the highest quality standards. These instruments use electronic components that may be damaged by static electricity pres- ent in most work environments. -
Page 5: Mounting
Mounting High alarm Low alarm Filling line High alarm Transducer must be oriented to allow proper flow through gap Low alarm Pump protection Pump Figure 2 Typical Mounting Orientations Housing rotates up to 330° for conduit connection Model 919 level switches are shipped as integral units with Never tighten by the electronics assembled to the transducer. -
Page 6: Wiring
Wiring 2.5.1 Relay Version Wiring connections for the relay version of the Model 919 are made at TB1, which is a dual level six position termi- nal block. The lower three positions are used for input power, and the upper three are used for terminating the NC CM NO relay wiring. - Page 7 2.5.2 All Voltage Note: To prevent damage to the circuitry, the all voltage unit must always be used in series with a load. Refer to Figure 10. Wiring connections for the all voltage version are made at the three-position terminal block within the electronics enclosure.
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Page 8: Configuration
Configuration Configuration for Model 919 relay units is made by selecting either HL (high level), or LL (low level) via the two-position switch on the PC board. Figure 11 can be used for proper failsafe configuration. Mode Level Relay Current Energized "HL"... -
Page 9: Reference Information
Reference Information Troubleshooting 1. No signal with level change a. Check wiring to make sure proper input voltage is supplied. b. Make sure liquid is filling the transducer gap. c. Check for dense foam on surface or dried product in the gap. Unit will not function properly if either condition exists. -
Page 10: Agency Approvals
3.2.2 Electrical Power Supply: All Voltage: 24-240 VAC ± 10% 50-60 Hz (load always required) 24-240 VDC ± 10% (load always required) Relay: 24 VDC (±10%) Power Consumption: All Voltage: 0.1 VA maximum Relay: Less than 1 Watt Signal Output: All Voltage: 500 mA (0.5 amp) maximum continuous load 7.5 mA minimum continuous load... -
Page 11: Model Numbers
Model Numbers ELECTRONICS VERSION All voltage version with single PG 13.5 conduit connection All voltage version with single ⁄ " NPT conduit connection Relay version with single PG 13.5 conduit connection Relay version with single ⁄ " NPT conduit connection TRANSDUCER VERSION English (actuation length in inches) Metric (actuation length in centimeters) - Page 12 No claims for misapplication, labor, direct or consequen- tial damage will be allowed. 5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4000 • Fax 630-969-9489 • www.magnetrol.com 6291 Dorman Road • Mississauga, Ontario L4V-1H2 • 905-678-2720 • Fax 905-678-7407 Heikensstraat 6 •...
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