Magnetrol Echotel 910 Installation And Operating Manual
Ultrasonic liquid level switches
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- Installation and operating manual (8 pages) ,
- Instruction manual and replacement parts (4 pages)
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Summary of Contents for Magnetrol Echotel 910
- Page 1 Echotel ® Model 910 Installation and Operating Manual Installation and Operating Manual Ultrasonic Level Switch...
- Page 2 Incorporated. All rights reserved. Notes Notes contain information that augments or clarifies Magnetrol/STI reserves the right to make changes to the an operating step. Notes do not normally contain product described in this manual at any time without actions. They follow the procedural steps to which notice.
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Page 3: Principle Of Operation
Introduction Echotel Model 910 Level Switches utilize ultrasonic contact technology for measuring level in clean liquid applications. Principle of Operation The Model 910 Level Switch uses ultrasonic energy to detect the presence or absence of liquid in a transducer gap. The basic principle behind ultrasonic contact tech- Ultrasonic nology is that high-frequency sound waves are easily transducer... -
Page 4: Electrostatic Discharge (Esd) Handling Procedure
Electrostatic Discharge (ESD) Handling Procedure Magnetrol/STI’s electronic instruments are manufactured to the highest quality standards. These instruments use electronic components that may be damaged by static elec- tricity present in most work environments. The following steps are recommended to reduce the risk of component failure due to electrostatic discharge. - Page 5 Mounting Filling line High alarm Low alarm Gap must be High alarm turned vertical Pump protection Top View of Horizontal Mounting Pump Low alarm Figure 2 Typical Mounting Orientations Conduit connection Model 910 level switches are shipped as integral units with Never tighten by the electronics assembled to the transducer.
- Page 6 Wiring 2.5.1 Power Power connections are made at the two-position terminal block labeled TB1 within the electronics enclosure. Use of 14–22 AWG twisted shielded pair wire is recommended. NOTE: Observe all applicable electrical codes and proper wiring procedures. 1. Make sure the power is turned off. 2.
- Page 7 2.5.2 Relay Model 910 switches have a number of possible relay wiring options. The table below lists the relay contact positions for all possible combinations of power failure, condition of the transducer gap, and fail-safe jumper position. The user must decide which combinations constitute fail-safe and alarm conditions, and then select the appropriate relay wiring and fail-safe position.
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Page 8: Reference Information
Reference Information Troubleshooting Caution: In hazardous areas, do not remove housing cover until power is disconnected and atmosphere is deter- mined to be safe. 3.1.1 No signal with level change a. Verify power and control circuit wiring. b. Make sure liquid is filling the transducer gap. c. -
Page 9: Specifications
Specifications 3.3.1 Physical inches (mm) 4.63 4.63 (117) Dia. (117) Dia. 3.00 Rotation 3.44 (87) (76) clearance Rotation clearance " NPT 2.75 2.75 plugged 4.48 (70) (70) 4.48 (113) (113) 6.25 6.25 " NPT (158) (158) " NPT 3.50 3.50 Optional (88) Optional... -
Page 10: Replacement Parts
3.3.2 Electrical Power Supply: 120 VAC (+10%/-15%), 50/60 Hz 240 VAC (+10%/-15%), 50/60 Hz 24 VDC (±10%) Power Consumption: 2.5 VA nominal Gold flash DPDT relay: 10 amps @ 120 VAC, 240 VAC, 24 VDC ➀ Relay Output: Hermetically sealed DPDT relay: 5 amps @ 120 VAC, 24 VDC, and 3 amps @ 240 VAC Repeatability: 0.078"... - Page 11 Model Numbers 3.5.1 Model 910 HOUSING Aluminum sand cast with ⁄ " NPT dual conduit, FM and CSA approvals 316 stainless steel with ⁄ " NPT single conduit, FM and CSA approvals Aluminum sand cast with ⁄ " NPT dual conduit, FM, CSA and ATEX approvals 316 stainless steel with ⁄...
- Page 12 2. tial damage will be allowed. 5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4000 • Fax 630-969-9489 • www.magnetrol.com 145 Jardin Drive, Units 1 & 2 • Concord, Ontario Canada L4K 1X7 • 905-738-9600 • Fax 905-738-1306 Heikensstraat 6 •...
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