Instruction/ maintenance manual of the product FSW-50 Omega Engineering
Go to page of 8
F S W - 5 0 Series Industrial Flow Switches www .omega.com e-mail: info@omega.com U ser ’ s Guide Shop online at Where Do I Find Ever ything I Need for Pr ocess Measurement and Contr ol? OM EGA…Of Course! Shop online at www .
Servicing Nor th America: USA: One Omega Drive, Box 4047 ISO 9001 Certified Stamford CT 06907-0047 Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1 Tel: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.
12 General Description The OMEGA ® FSW-50 Series Flow Switches feature a 15A SPDT switch and an internal screw adjustment which provides continuous switch point adjustment while in operation in-line. Multiple drag disks are supplied with each unit to provide incremental switch point adjustment.
2 Available Drag Disks The FSW-50 Series Switches come with three different drag disks. The drag disks are sized as follows: DRAG DISK SIZE # 1 .5" dia. # 2 .83" dia. # 3 1.0" dia. The following table lists flow adjustment limits for various pipe sizes relative to Model No.
Relay Switch: SPDT 15A @ 125 or 250 Vac, 10,000,000 operations median Nominal Sensitivity (% Flow Change to Activate Switch): Approximately 10% @ upper end of range; approximately 30% @ lower end of range Differential Pressure Drop Across Unit: (Under normal operating conditions) 1"-3" pipe, less than 0.
4 9 ASSEMBLY WARNING THE FSW-50 SERIES SWITCHES EMPLOY AN EXTERNAL SEAL SHAFT (A) A FLEXIBLE ELASTOMER DIAPHRAGM SEAL (B) AND AN INTERNAL FEED THRU SHAFT OR SWITCH ACTUATING ARM (D). ALL THREE ELEMENTS ARE ASSEMBLED AND LOCKED IN PLACE WITH LOCTITE ADHESIVE.
8 5 Plumber’s tools such as pipe wrenches are not recommended. If possible, use a ‘Rigid’ type wrench where the smooth jaws closely fit the hexagon section. NOTE Thus: 1. Teflon tape thread and tighten the plastic bushing into the pipe or tank fitting.
6 7 All FSW-50 Series Switches are factory set at the lower end of the flow range, i.e., the adjusting screw is set at the low flow COUNTERCLOCKWISE position. NOTE Figur e 2: Wiring Schematic for power applied to load when the flow is greater than set point (power to load interrupted when flow decreases to below set point).
An important point after buying a device Omega Engineering FSW-50 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega Engineering FSW-50 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 Omega Engineering FSW-50 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega Engineering FSW-50 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega Engineering FSW-50 will certainly help you make a decision on the purchase.
If you already are a holder of Omega Engineering FSW-50, 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 Omega Engineering FSW-50.
However, one of the most important roles played by the user manual is to help in solving problems with Omega Engineering FSW-50. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega Engineering FSW-50 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
