Instruction/ maintenance manual of the product LLS Murphy
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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.
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.
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).
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.
An important point after buying a device Murphy LLS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Murphy LLS yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Murphy LLS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Murphy LLS you will learn all the available features of the product, as well as information on its operation. The information that you get Murphy LLS will certainly help you make a decision on the purchase.
If you already are a holder of Murphy LLS, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Murphy LLS.
However, one of the most important roles played by the user manual is to help in solving problems with Murphy LLS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Murphy LLS along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
