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FLR Series

Rev. A5, 10/09

4

Automation Products Group, Inc.

APG...Providing tailored solutions for measurement applications

Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]

• Description

The FLR series instruments contain reed switches in the stem and permanent
magnets in the floats.  As the float rises or falls with the level of the liquid, the
magnet inside the float act on the reed switch inside the stem to provide the
SPST switching action.

Permanent Magnet

Float Travel-Stop

Float

Stem

Reed Switch

Summary of Contents for FLR Series

Page 1: ...R O U P I N C Automation Products Group Inc APG Providing tailored solutions for measurement applications Tel 1 888 525 7300 Fax 1 435 753 7490 www apgsensors com E mail sales apgsensors com FLR Seri...

Page 2: ...asurement applications Tel 1 888 525 7300 Fax 1 435 753 7490 www apgsensors com sales apgsensors com Table of Contents Warranty 3 Description 4 Installation 5 6 Wiring 7 Circuit Protection 8 Field Adj...

Page 3: ...or any incidental or consequential damages losses or expenses directly or indirectly arising from the sale handling improper application or use of the goods or from any other cause relating thereto an...

Page 4: ...gsensors com sales apgsensors com Description The FLR series instruments contain reed switches in the stem and permanent magnets in the floats As the float rises or falls with the level of the liquid...

Page 5: ...outdoor which meets the following conditions 1 Non hazardous area 2 The medium temperature does not exceed 400 F to 1850 F 140 C to 850 C NOTE It is recommended that a sun shield be installed over th...

Page 6: ...f a stilling tube is used drill vent holes in the tube and use a spacer to assure the float has free travel inside the tube Wave action may cause switch to chatter Use a stilling tube or time delay re...

Page 7: ...White Red Red Green Green Wiring Color L1 L1 L2 L3 L4 L5 L6 L7 L2 L3 L4 L5 L6 L7 Com Blk x 2 Blk x 2 Blk x 2 Blk x 2 Black Black Black Wh x 2 Wh x 2 Wh x 2 White White White Red x 2 Red x 2 Red Red R...

Page 8: ...rises when the contacts are opened This results in considerable decrease in contact life The same result arises even when a resistive load is used with a high voltage or a large current The figures be...

Page 9: ...aled and cannot be field adjusted Procedure one should be used under the following conditions a You want to move the actuation point relative to the factory settings b Their will be no change to the s...

Page 10: ...the stops to the stem For example refer to drawing above Suppose the actuation point needs to be adjusted 85 mm lower on the stem The first step is to mark the location of both float stops that will...

Page 11: ...along with the wiring and internal reed switch assembly from the stem of the FLR Keep the assembly straight and take care not to bend or put stress on the reed switches 4 Once the stops and float are...

Page 12: ...t To align the reed switch with the newly adjusted float position simply move the reed switch along the rod the same distance that you previously moved the float stops on the stem This distance is mea...

Page 13: ...oint 2 Loosen the retaining screws on float stops that need to be repositioned 3 Slide the float along the stem until the float s center is aligned with the desired actuation point 4 Re secure the flo...

Page 14: ...inal mounting plate along with the wiring and internal reed switch assembly from the stem of the FLR Keep the assembly straight and take care not to bend or put stress on the reed switches 5 With the...

Page 15: ...tion point is at 250 mm 8 A brass rod inside the stem holds the reed switches in place The location of the switch needs to be adjusted to match the new actuation point Determine which switch type you...

Page 16: ...step 7 and record the result This distance will be used to adjust the reed switch along the internal brass rod The 6 mm is subtracted to compensate for the plug in the bottom of the stem Refer to draw...

Page 17: ...will be used to adjust the reed switch along the internal brass rod The 18 mm is subtracted to compensate for both the offset of the reed switch from the actuation point 12 mm and the plug in the bot...

Page 18: ...lt This distance will be used to adjust the reed switch along the internal brass rod The 3 mm is subtracted to compensate for both the offset of the reed switch from the actuation point 3 mm and the p...

Page 19: ...t This distance will be used to adjust the reed switch along the internal brass rod The 12 mm is subtracted to compensate for both the offset of the reed switch from the actuation point 6 mm and the p...

Page 20: ...Fax 1 435 753 7490 www apgsensors com sales apgsensors com 9 Using the distance you derived in step 8 measure from the bottom of the reed switch assembly and mark the center rod at that location 10 R...

Page 21: ...eed switch along the rod until the center lines up with the mark you make on the rod in step 9 Re secure the wires to the center rod with electrical tape 12 Carefully reinsert the reed switch assembly...

Page 22: ...an Never leave the housing cover off If the cover becomes damaged or is misplaced order a replacement immediately If sediment or other foreign matter is trapped between the stem and the float detectio...

Page 23: ...r Switching Points 7 Resolution 1 16 2mm Field Adjustable Actuation Levels Yes Maximum Length 153 in Maximum Process Temperature 400 to 1850 F Housing Material Die Cast Aluminium Hazardous Rating None...

Page 24: ...FLR Series Rev A5 10 09 24 Automation Products Group Inc APG Providing tailored solutions for measurement applications Tel 1 888 525 7300 Fax 1 435 753 7490 www apgsensors com sales apgsensors com...

Page 25: ...Rev A5 10 09 FLR Series 25 Automation Products Group Inc APG Providing tailored solutions for measurement applications Tel 1 888 525 7300 Fax 1 435 753 7490 www apgsensors com sales apgsensors com...

Page 26: ...FLR Series Rev A5 10 09 26 Automation Products Group Inc APG Providing tailored solutions for measurement applications Tel 1 888 525 7300 Fax 1 435 753 7490 www apgsensors com sales apgsensors com...

Page 27: ...Rev A5 10 09 FLR Series 27 Automation Products Group Inc APG Providing tailored solutions for measurement applications Tel 1 888 525 7300 Fax 1 435 753 7490 www apgsensors com sales apgsensors com...

Page 28: ...measurement applications P R O D U C T S G R O U P I N C Automation Products Group Inc Tel 1 888 525 7300 1 435 753 7300 Fax 1 435 753 7490 e mail sales apgsensors com www apgsensors com Automation P...

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