Installation and operating manual ultrasonic level switch echotel ® model 910 installation and operating manual.
51-604 echotel model 910 read this manual before installing this manual provides information on the echotel model 910 ultrasonic liquid level switches. It is important that all instructions are read carefully and followed in sequence. Detailed instructions are included in the installation section of...
51-604 echotel model 910 ultrasonic transducer transmit crystal receive crystal ultrasonic signal transmission across transducer gap figure 1 1.0 introduction echotel model 910 level switches utilize ultrasonic contact technology for measuring level in clean liquid applications. 1.1 principle of ope...
2 2.2 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 recommen...
51-604 echotel model 910 3 " npt thread never tighten by turning housing use wrench here conduit connection 3 4 figure 3 vertical mounting 2.4 mounting model 910 level switches are shipped as integral units with the electronics assembled to the transducer. They may be mounted in a variety of positio...
4 tb1 power wiring 2.5 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 t...
51-604 echotel model 910 5 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 combi...
6 3.0 reference information 3.1 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 ...
51-604 echotel model 910 7 3.3.1 physical 3.3 specifications inches (mm) .875 (22) dia. Actuation length ➀➁ 2.75 (70) 3.00 rotation (76) clearance 4.63 (117) dia. Optional mounting flange 3.50 (88) 6.25 (158) 4.48 (113) 3 / 4 " npt tank connection 3 / 4 " npt .25 (6) actuation point actuation point ...
8 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 relay output: gold flash dpdt relay: 10 amps @ 120 vac, 240 vac, 24 vdc ➀ hermetically sealed dpdt relay: 5 amps @ 120 vac, 24 vdc, and 3 amps @ 240 vac repeat...
9 51-604 echotel model 910 3.5 model numbers 3.5.1 model 910 9 1 0 a aluminum sand cast with 3 ⁄ 4 " npt dual conduit, fm and csa approvals y 316 stainless steel with 3 ⁄ 4 " npt single conduit, fm and csa approvals p aluminum sand cast with 3 ⁄ 4 " npt dual conduit, fm, csa and atex approvals 5 316...
Bulletin: 51-604.14 effective: january 2005 supersedes: july 2004 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 • b 9240 ze...
