Murphy LLSRB Series manual

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Table of contents for the manual

  • Page 1

    LLS, LLSB, LLSR, LLSRB Series Models Lead Line Pressure Switches Installation and Operation Instructions LLS-93096N Effective 03-94 Section 05 Description The LLS Series is a pressure switch for applications where viscous liquids could plug the sensing orifice. LLS and LLSB models have a 2 inch NPT male connection which attaches directly into the p[...]

  • Page 2

    DIMENSIONS 2 Diaphragm 9-1/4 in. (235 mm) MAX. 3 in. (76 mm) 3/4-14 NPT Conduit Inlet 7/8 in. (22 mm) 1-1/2 in. (38 mm) 2-9/64 in. (54 mm) 2 in. NPT Process Connection 2-1/2 in. (64 mm) MAX. 6-1/2 in. (165 mm) MAX. Transmitting tube, 5 feet (1.524 m) std. 3/4 in. (19 mm) 2-1/2 in. (64 mm) 17/64 x 1/2 in. (7 x 13 mm) mounting holes (4 places) Sensor[...]

  • Page 3

    If switch trip point needs to be adjusted, see page 4. LLS Series Hook-up (all models) T o wire the LLS Series, use proper the electrical conduit. 1. A 3/4''-14 NPT inlet connection for conduit installation is provided at the top end of the switch enclosure (see opposite page– “Dimensions” for location). NOTE: The plastic plug (supp[...]

  • Page 4

    W ARRANTY A two year limited warranty on materials and workmanship is provided with this Murphy product. Details are available on request and are packed with each unit. 4 LLS Series Trip Point Adjustment if necessary (all models) NOTICE: If trip point is not specified, the switch will be set at appr ox- imately 50% of full scale. T o perform trip p[...]