Emerson Fisher 2100 Instruction Manual
Contents
1. A WARNING When disconnecting any of the pneumatic connections natural gas if used as the supply medium will seep from the unit and any connected equipment into the surrounding atmosphere Personal injury or property damage may result from fire or explosion if preventative measures are not taken such as adequate ventilation and the removal of any ignition sources Refer to figure 5 1 Drain the liquid from the cage and displacer assembly key 1 then isolate it from the process Shut off the supply pressure and bleed any trapped supply and output pressure from the nozzle block assembly key 8 2 Loosen the cover screws key 17 and remove the cover key 15 Replace the cover gasket key 16 and the cover screw gaskets key 20 if necessary Note Magnetic attraction between the magnet key 14 and the flapper key 12 can be adversely affected by the presence of foreign material between the magnet and flapper Before performing any inspection or correction step inspect the magnet If necessary clean the magnet thoroughly If cleaning requires removing the magnet or magnet bracket key 13 perform step 17 of the maintenance procedure then perform the calibration check procedure to ensure that the unit operates properly 3 Loosen the nut holding the flapper and clamp assembly key 12 to the shaft of the torque tube assembly key 7 Remove the flapper and clamp assembly and if necessary replace the flapper seat key 11 or magn2. 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 Neither Emerson Emerson Process Management nor any of their affiliated entities assumes responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any product remains solely with the purchaser and end user Fisher is a mark owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co Emerson Process Management Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co All other marks are the property of their respective owners The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available upon request We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management Marshalltown lowa 50158 USA Sorocaba 18087 Brazil Chatham Kent ME4 4QZ UK Dubai United Arab Emirates Singapore 128461 Singapore www Fisher com E M ERSON 1974 2014 Fisher Controls International LLC All rights reserved
3. 40 to 70 C Conditions of Application 1 Level switch should be applied in accordance to the assigned explosion proof mark requirements of GOST R 51330 13 valid Rules for electrical equipment installations PUE ch 7 3 Regulations for Operation of Consumer Electrical Installations PTEEP ch 3 4 other normative documents regulating application of electrical equipment in explosion hazardous zones and manufacturer operation manual D200119X012 2 Possible explosion hazard zones of application categories and groups of explosion hazard mixtures of gases and vapors with air in accordance to the requirements of GOST R 51330 9 GOST R 51330 11 and Rules for electrical equipment installations PUE ch 7 3 3 Level switch should be operated with certified cable inputs and plugs that should provide necessary type and level of explosion protection and level of enclosure protection 4 Alteration of level switch design concerning explosion proof means should be agreed with accredited test organization 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 Installation Procedures The installation procedures include those common to both the 2100 pneumatic and 2100E electric liquid level switches and additional ones for each switch Common Procedures for Either Switch The horizontal line forged on the displacer cage indicates the approximate switching point figures 1 and 2 When you mount the 2100 or
4. 2100E switch position it so that the horizontal line corresponds to the horizontal level at which switching is desired Before you install the 2100 or 2100E switch remove the plastic plugs from the process connections One of these plugs retains a paper tube that protects the displacer and torque tube during handling and shipping This paper tube must also be removed There are two process connections one at the top and one at the bottom of the cage To mount the switch connect the appropriate top and bottom process connections to the vessel using the required size pipe The pipe must be capable of supporting the assembly and of withstanding the pressure involved Use accepted piping and welding practices when making connections Install isolating valves between the vessel and cage Plugs are furnished for the unused process connections However one of the plugs can be removed and a bleed valve or drain can be installed in one of the unused connections Additional Procedures for 2100 Switch If using natural gas as the pneumatic supply medium natural gas will be used in the pressure connections of the unit to any connected equipment The unit will vent natural gas into the surrounding atmosphere unless it is remote vented A WARNING Personal injury or property damage may occur from an uncontrolled process if the 2100 switch supply medium is not clean dry air or noncorrosive gas If clean dry air or noncorrosive gas is not used the swit
5. flapper throttles flapper moves in 1 1 Nozzle adjusted too high 1 1 If nozzle prevents flapper from coming in response to change in liquid level but does full contact with magnet repeat the Calibration not completely cap or uncap nozzle procedure Perform the Calibration Check procedure to ensure that the unit operates properly 1 2 Verify that the top surface of the magnet is parallel with the flapper and that the magnet is in full contact with the flapper when the flapper is against the magnet If the above conditions do not exist repeat the Calibration procedure Perform the Calibration Check procedure to ensure that the unit operates properly 2 Nozzle flapper fails to snap open 2 1 Liquid level not changing in the expected 2 1 Be certain liquid level in the displacer cage is direction changing in the expected direction 3 Nozzle flapper leaks when shut off 3 1 Surface of nozzle seat or nozzle worn or 3 1 Inspect surface of flapper seat key 11 damaged figure 5 and nozzle key 6 figure 5 replace parts if necessary 3 2 Nozzle adjusted too low 3 2 Inspect nozzle flapper when flapper is being held by magnet If nozzle is not seated on flapper seat loosen locknut key 33 figure 5 and rotate nozzle counterclockwise until it is seated 3 3 Incorrect alignment of nozzle and flapper 3 3 Inspect surface of nozzle seat key 11 figure 5 This surface should be parallel with the opening in the end of the nozzle key 6
6. 1 754 3771 FAX 641 754 3431 e mail education emerson com Installation A WARNING Always wear protective clothing gloves and eyewear when performing any installation operations to avoid personal injury Check with your process or safety engineer for any additional measures that must be taken to protect against process media If installing into an existing application also refer to the WARNING at the beginning of the Maintenance section in this instruction manual Hazardous Area Approvals and Special Instructions for Sate Use and Intallations in Hazardous Locations 2100E Electrical Switch Component Inspect the electrical switch component in your 2100E electric liquid level switch to determine the part number of the switch component if specified Contact your Emerson Process Management sales office if additional information is needed CSA Class I Division 1 Groups A B C and D Class Il Division 1 Groups E F and G Dual Seal FM XP Class I Division 1 Groups A B C D T6 DIP Class Il Division 1 Groups E F G T6 IP66 Special Conditions of Use Model 057 0770 has temperature classification T5 for 11 Amp and T6 for 5 Amp Ambient temperature 11 A Ta 75 C 5A Ta 70 C Model 057 0771 has temperature classification T4 for 11 Amp and T6 for 5 Amp Ambient temperature 11 A Ta 65 C 5A Ta 70 C Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 ATEX amp IL2
7. 34 OUTPUT PRESSURE CONNECTION A3619 1 4 If a remote vent is required remove the vent assembly key 23 from the 1 4 NPT internal vent connection and install a vent line to an area where the operating medium can be safely exhausted Note The vent line should have as large a diameter as possible with a minimum number of bends and elbows The vent line should be as short as possible Protect the end of the vent pipe from the entrance of rain snow insects or any other foreign material that may plug the vent line Inspect the vent line opening periodically to ensure that it is not plugged If necessary to change to a different supply pressure install a different nozzle according to steps 1 through4 and 15 through 18 of the 2100 switch maintenance procedure To change switch action from low level to high level switching or vice versa reverse the positions of the nozzle flapper and magnet according to steps 1 through 7 and 10 through 18 of the 2100 switch maintenance procedure To change switch mounting from right hand to left hand or vice versa perform steps 1 through 7 and9 through 18 of the 2100 switch maintenance procedure Additional Procedures for 2100E Switch Refer to figure 6 To install for standard action connect electrical wires as shown in table 2 Table 2 Fisher 2100E Wiring Codes SPDT DPDT Switch 1 DPDT Switch 2 Red Normally Closed Normally Closed Brown Common Common Blue Normally Open Normall
8. ACE references are to NACE MRO175 2002 Figure 2 Fisher 2100E Electric Liquid Level Switch APPROXIMATE SWITCHING POINT X0682 Specifications Specifications for the 2100 and 2100E switches are shown in table 1 A WARNING This product is intended for a specific current range temperature range and other application specifications Applying different current temperature and other service conditions could result in malfunction of the product property damage or personal injury Instruction Manual D200119X012 Table 1 Specifications Input Signal Liquid level Minimum Process Liquid Specific Gravity 0 5 consult your Emerson Process Management sales office for specific gravity below this value Output Signal 2100 Switch Output equal to supply pressure when the switch is in the normal position flapper against nozzle Output reduced to approximately atmospheric pressure depending upon size of the bleed orifice and piping configuration when the switch is activated 2100E Switch Same as supply signal Supply Signal 2100 Switch W 2 1 to 4 1 bar 30 to 60 psig W 4 1 to 6 9 bar 60 to 100 psig or W 6 9 to 10 3 bar 100 to 150 psig 2100E Switch 11 amperes 1 4 horsepower at 125 250 volts AC 5 amperes resistive 3 amperes inductive at 28 volts DC Supply Medium 2100 Switch Air or Natural Gas Steady State Air Consumption 2 2100 Switch Less than 0 03 normal m2 hr 1 0 scfh for all supply pressur
9. ACE steel For other than NACE applications steel 21 Nameplate aluminum 4 Bushing for use only w sight window steel Right or left hand mtg 16 Recommended spare parts Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 Figure 6 Fisher 2100E Switch Assembly Drawing ora ai yn i Ae 40B6593 G 2100 and 2100E Liquid Level Switches February 2014 Key Description 25 O Ring fluorocarbon 30 Cap Screw stainless steel 2 req d 31 Machine Screw stainless steel 32 Bearing glass filled PTFE 33 Locknut stainless steel 2 req d 36 NACE Tag not shown 18 8 stainless steel 37 Tag Wire not shown 303 stainless steel 40 Switch Arm stainless steel 41 Shaft Clamp Screw stainless steel 42 Body Block Gasket silicone 46 Drive Screw 18 8 stainless steel 2 req d 18 Part Number 1N571406382 11A8619X012 11A8642X012 Key 49 54 55 56 57 60 58 59 Instruction Manual D200119X012 Description Part Number Electric Switch Assembly stainless steel Single pole double throw SPDT 20B5075X012 Double pole double throw DPDT 20B5076X012 Plug anodized aluminum Switch Housing aluminum Set Screw 18 8 stainless steel 2 req d Cover Gasket Silicone 30A Cover Screw stainless steel Cover aluminum Roll pin O Ring nitrile Recommended spare parts Instruction Manual D200119X012 2100 and 2100E Liquid Level Switches February 2014
10. GD IECEx Ex d IIC T4 T5 T6 Gb Ex tb IIIC Txx C Db Model 057 0770 Gas Ex d IIC T6 Ta 40 C to 70 C 5 A Max Ex d IIC T5 Ta 40 C to 75 C 11 A Max Dust Ex tb IIIC T85 C Db IP6X Ta 40 C to 70 C 5 A Max Ex tb IIIC T100 C Db IP6X Ta 40 C to 75 C 11 A Max Model 057 0771 Gas Ex d IIC T6 Ta 40 C to 70 C 5 A Max Ex d IIC T4 Ta 40 C to 65 C 11 A Max Dust Ex tb IIIC T85 C Db IP6X Ta 40 C to 70 C 5 A Max Ex tb IIIC T135 C Db IP6X Ta 40 C to 65 C 11 A Max Special Conditions for Safe Use Each Electrical Snap Switch Assembly shall be installed such that the equipment wiring is protected from mechanical damage The equipment wiring must not be subjected to tension or torque If it is to be terminated within a potentially explosive atmosphere a suitably certified termination facility must be used UL Class I Division 1 Groups A B C D Class II Division 1 Groups E F G 2100E Electric Switch Assembly Federal Service on Ecological Technological and Nuclear Supervision Russian FSETAN Permit to Use No PPC 00 050247 Certificate of Conformity No POCC US GB06 B01314 Federal Agency on Technical Regulating and Metrology Russian GOST R Certificate number No POCC US 1PB06 B01314 1ExdllICT4 T5 T6 IP66 Ambient Temperature T4 DPDT 11 Amaximum current 40 to 65 C T5 SPDT 11 A maximum current 40 to 75 C T6 SPDT and DPDT 5 A maximum current
11. Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 Fisher 2100 Pneumatic and 2100E Electric Liquid Level Switches Contents Figure 1 Fisher 2100 Pneumatic Liquid Level Switch IMEFOCUCTION 4 042 240 0 eis vot eo6 EEE 1 Scope of Manual 52 20 dcresdanew iat nnen 1 DESCHPUOM sereia tn a ee E ENA 2 Specifications ccc cee cee eens 2 Educational Services 0e eee eee 4 istaillation ieran ind bean ade race ten wk 4 APPROXIMATE Hazardous Area Classfication Information SWITCHING POINT and Safe Use Instructions 4 Installation Procedures 0000e 6 Common Procedures for Either Switch 6 Additional Procedures for 2100 Switch 6 Additional Procedures for 2100E Switch 7 Calibration Check rric ernire ne a AN a EGA 8 Principle of Operation 0 0 cee eee eee 9 MalnteneanGe s 3 22724 056 Seo theese ecdee es 10 Operational Test 0 0 cece cee ee ees 10 2100 Switch Maintenance Procedure 12 2100E Switch Maintenance Procedure 13 Parts Ordering 2 6o3 2x0d 4 cwsngae seid we dara es 14 Partek pit ncaa Be park td Ba ed rs tls 14 Pans EDE aa seit eta cote cea Boel 2h ee 15 Introduction Scope of Manual This instruction manual includes installation maintenance and parts information for the 2100 pneumatic and 2100E electric liquid level switches Refer to separate instruction manuals when you require informati
12. ch may become inoperative and allow the level in a process vessel to exceed safe limits Install a 40 micrometer filter and suitable equipment to dry the supply medium and establish a maintenance cycle to check the filter and equipment If the existing supply medium is corrosive make sure the tubing and instrument components that contact the corrosive medium are suitable corrosion resistant materials or use a noncorrosive medium A WARNING Personal injury or property damage may result from fire or explosion if natural gas is used as the supply medium and preventative measures are not taken Preventative measures may include Remote venting re evaluating the hazardous area classification ensuring adequate ventilation and the removal of any ignition sources Refer to figure 5 except as noted 1 Connect a supply pressure line to the 1 4 NPT internal connection located in the back plate key 10 2 Install an output line between the supply pressure line and the equipment to be operated by the switch 3 Install a street tee and bleed orifice keys 34 and 35 figure 3 or other fixed restriction in the supply pressure line between the supply source and the output signal line Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 Figure 3 Detail of Optional Street Tee and Bleed Orifice BACK PLATE KEY 10 1 4 NPT SUPPLY PRESSURE CONNECTION BLEED ORIFICE KEY 35 STREET TEE 1 4 NPT KEY
13. cover screw gaskets 2100E Switch Maintenance Procedure Refer to figure 6 1 Drain the liquid from the cage and displacer assembly key 1 and isolate it from the process Shut off the power to the electric switch assembly key 49 Remove the cover screw key 61 and open the cover key 60 on the switch housing key 55 Replace the cover gasket key 57 if necessary Loosen the locknut key 33 on the shaft clamp screw key 41 then remove the switch arm key 40 with the attached machine screw key 31 and locknut key 33 If changing from high level to low level switching or vice versa from right to left hand mounting or vice versa or a combination of both loosen the set screws key 56 and remove the electric switch assembly key 49 and plug key 54 Unscrew the pipe plug key 2 or the bushing and sight window assembly keys 4 and 5 With a 13 mm 1 2 inch socket loosen the locknut on the displacer rod end of the cage and displacer assembly Remove the torque tube assembly key 7 and bearing key 32 from the body block key 3 For changing from right to left hand mounting or vice versa remove the cap screws key 30 that hold the switch housing key 55 to the body block key 3 8 Rotate the body block key 3 180 degrees on the cage and displacer assembly key 1 9 Install a new body block gasket key 42 if necessary Secure the switch housing key 55 to the body block key 3 wi
14. e reduced pressure in the output signal line activates the shutdown or alarm system When the liquid level lowers the falling displacer forces the flapper into the field of the magnet letting the magnet snap the flapper against the nozzle and causing output pressure to build to full supply pressure On applications where low level switch operation is required the nozzle flapper and magnet are positioned on the opposite side of the torque tube so that downward displacer travel moves the flapper away from the nozzle The 2100E switch is an external cage mounted electric liquid level switch Rising liquid level exerts a buoyant force on the torque tube that either activates or deactivates an electrical SPDT single pole double throw or DPDT double pole double throw switch depending on the required switching action Falling liquid level deactivates or activates the same switch depending on the required action 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 Maintenance Switch parts are subject to normal wear and must be inspected and replaced when necessary The frequency of inspection and replacement depends on the severity of service conditions Refer to figure 5 for maintenance of the 2100 switch and figure 6 for maintenance of the 2100E switch A WARNING Always wear protective clothing gloves and eyewear when performing any maintenance procedures to avoid personal injury The displacer is a sea
15. ed are keys 39 42 44 45 46 49 50 and 51 7 11 12 14 16 18 19 20 24 25 SPDT Switch R2100EXOSP2 26 and 32 R2100X00012 DPDT Switch R2100EXODP2 Instruction Manual D200119X012 Parts List Note Part numbers are shown for recommended spares only For part numbers not shown contact your Emerson Process Management sales office 2100 Switch figure 5 Key Description Part Number 1 Cage amp Displacer Assembly To comply with NACE MR0175 2002 heat treated steel and stainless steel w o sight window For 2220 WOG max working pressures w 1 NPT process connections w NPS 2 Sch 80 BWE process connection2 w NPS 2 Sch 160 BWE process connections For other than NACE applications carbon steel w sight window For 350 WOG max working pressure w 1 NPT process connection w o sight window For 2220 WOG max working pressures w 1 NPT process connection w NPS 2 Sch 80 BWE process conns w NPS 2 Sch 160 BWE process conns 2 Pipe Plug 2 req d w sight window 3 req d w o sight window 3 Body Block To comply with NACE MRO175 2002 NACE steel For other than NACE applications steel 4 Bushing for use only w sight window steel 5 Sight Window glass and alloy steel 6 Nozzle 30300 303 stainless steel 2 1 to 4 1 bar 30 to 60 psig supply pressure 4 1 to 6 9 bar 60 to 100 psig supply pressure 6 9 to 10 3 bar 100 to 150 psig supply pressure 7 Torque Tube Assembly N04400 8 Nozzle Block Assembly aluminum amp stai
16. es when the liquid level is 25 4 mm 1 inch below the normal switch position flapper against nozzle for high level switching or 25 4 mm 1 inch above the normal switch position for low level switching Maximum Working Pressure E 153 bar 2220 psig WOG except lf 24 bar 350 psig WOG is the maximum working pressure for sight window construction Operative Temperature Rangel 2100 Switch 29 to 204 C 20 to 400 F 2100E Switch 29 to 82 C 20 to 180 F NOTE Specialized instrument terms are defined in ISA Standard 51 1 Process Instrument Terminology 1 Natural gas should contain no more than 20 ppm of HS 2100 and 2100E Liquid Level Switches February 2014 Displacer Diameter 102 mm 4 inches Process Connection Size 153 Bar 2220 psig WOG E 1 NPT internal E DN 50 NPS 2 Schedule 80 buttwelding ends or E DN 50 NPS 2 Schedule 160 buttwelding ends 2100 Switch Supply Pressure Connection Size 1 4 NPT internal 2100E Switch Electrical Connection Size 1 2 NPT external Hazardous Area Classification for 2100 Switch The 2100 pneumatic switch complies with the requirements of ATEX Group II Category 2 Gas and Dust C x 26D Hazardous Area Classification for 2100E Switch CSA FM ATEX IECEx UL Russian FSETAN Russian GOST R Refer to Hazardous Area Classifications and Special Instructions for Safe Use and Installations in Hazardous Location on page 4 Contact your Emerson Proces
17. et key 14 The magnet is attached to the magnet bracket key 13 with a machine screw key 27 4 Loosen the locknut key 33 remove the nozzle key 6 and if necessary replace the nozzle O ring key 26 If changing supply pressure is the only other maintenance performed skip to step 15 5 Remove the pressure plug key 9 and if necessary replace the pressure plug O ring key 24 6 Unscrew the pipe plug key 2 or the bushing and sight window assembly keys 4 and 5 With a 13 mm 1 2 inch hex nut driver loosen the locknut on the displacer rod end of the cage and displacer assembly key 1 7 Remove the torque tube assembly key 7 and the bearing key 32 from the body block key 3 If necessary replace the torque tube O ring key 25 8 If itis necessary to replace the nozzle block assembly key 8 or the nozzle block gasket key 18 these parts are attached to the back plate key 10 with cap screws key 30 and lock washers key 28 9 If changing mounting position from right hand to left hand or vice versa remove the cap screws key 30 and lock washers key 28 that hold the back plate key 10 to the body block key 3 Then rotate the body block 180 degrees on the cage and displacer assembly key 1 Install a new body block gasket key 19 if necessary and secure the back plate key 10 to the body block with lock washers and cap screws so that the greatest back plate overlap points are toward the bottom cage connec
18. figure 5 Correct as necessary 4 Switch fails to activate upon high or low 4 1 Foreign material in cage 4 1 Flush cage to remove foreign material level depending on action selected P 7 4 2 Clamp and shaft assembly loose on torque tube 4 2 Perform step 4 of reassembly procedure in assembly maintenance section Tighten clamp nut on clamp and shaft assembly to between 20 and 27 Nem 15 and 20 Ibeft 4 3 Torque tube assembly failure 4 3 Perform operational test procedure Replace torque tube assembly if it fails operational test This test should be conducted with no process fluid in the cage using the following procedures 1 Make sure the 2100 switch flapper and clamp assembly key 12 figure 5 or the 2100E switch arm key 40 figure 6 is tight on the shaft of the torque tube assembly key 7 2 Grasp and lift then immediately release the following The 2100 switch flapper and clamp assembly key 12 figure 5 10 to 13 mm 0 375 to 0 5 inch from the nozzle key 6 figure 5 or The 2100E switch arm key 40 figure 6 10 to 13 mm 0 375 to 0 5 inch from the contact of the electric switch assembly key 49 figure 6 3 The torque tube spring system is functional if the 2100 switch flapper and clamp assembly or the 2100E switch arm bounces at least two cycles in a reversing rotary motion 11 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 2100 Switch Maintenance Procedure
19. g valves and drain the cage Flush from one of the top connections to one of the bottom connections Also remove the pipe plug key 2 or the bushing and sight window keys 4 and 5 and flush from a top connection through the pipe plug or sight window connection Inspect the vent or vent screen key 23 or vent line periodically to ensure that the vent or vent line is not plugged Table 3 lists various 2100 switch problems and possible solutions for them The table is valid for either high level or low level switching action and for any supply pressure range If a correction step requires replacement of worn or damaged parts refer to the appropriate maintenance procedure in this manual for disassembly and reassembly instructions 2100E switch problems are solved through common electrical troubleshooting procedures Fault 4 of table 3 is also pertinent for the 2100E switch Operational Test 2100 and 2100E Establish a periodic operational test of the switch to ensure that a the torque tube is functioning as a continuous spring element b there is an absence of excessive friction c there is no contact with the mechanical stops and d the torque tube is still effectively transmitting force and motion to the 2100 flapper and clamp assembly or to the 2100E switch arm assembly Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 Table 3 2100 Troubleshooting Guide Possible Cause Correction 1 Nozzle
20. led container inside the cage A displacer penetrated by process fluid may retain pressure or hazardous fluid for an extended period Such a displacer may contain pressure as a result of being in a pressurized vessel or it may contain fluid that becomes pressurized due to changes in temperature and or it may contain fluid that is hazardous or flammable The sudden release of pressure contact with hazardous fluid fire or explosion resulting in personal injury can occur if a displacer that is retaining pressure or process fluid is punctured or subjected to heat Handle the cage with displacer inside with care in removing storing or disposing taking into consideration the characteristics of the process fluid To avoid personal injury and damage to the process system caused by the sudden release of pressure contact with hazardous fluid fire or explosion isolate and drain the displacer cage For the 2100 shut off and bleed supply pressure from the switch before attempting any maintenance procedures For the 2100E shut off the power to the electric switch assembly before attempting any maintenance procedures Check with your process or safety engineer for any additional measures that must be taken to protect against process media The displacer cage should be flushed periodically to remove deposits or sludge that may affect proper operation The frequency of flushing depends on the nature of the process liquid Before flushing close the isolatin
21. nless steel 26A3197X022 9 Pressure Plug 30300 303 stainless steel 10 Back Plate steel Recommended spare parts 2100 and 2100E Liquid Level Switches February 2014 Key Description Part Number 11 Flapper Seat fluorocarbon 11A8630X012 12 Flapper and Clamp Assembly stainless steel 18A5221X012 13 Magnet Bracket stainless steel 14 Magnet sintered Alnico 12A1578X012 15 Cover plastic 16 Cover Gasket chloroprene 15A2837X012 17 Cover Screw stainless steel 2 req d 18 Nozzle Block Gasket silicone rubber 11A8641X012 19 Body Block Gasket silicone rubber 11A8642X012 20 Cover Screw Gasket silicone rubber 2 req d 11A8643X012 21 Nameplate aluminum Right or left hand mounting 23 Vent Assembly plastic 24 O Ring fluorocarbon 1N463906382 25 O Ring fluorocarbon 1N571406382 26 O Ring fluorocarbon 1V826806382 27 Machine Screw stainless steel 28 Lock Washer stainless steel 4 req d 29 Flat Washer stainless steel 2 req d 30 Cap Screw stainless steel 4 req d 31 Machine Screw stainless steel 2 req d 32 Bearing glass filled PTFE 11A8619X012 33 Locknut stainless steel 34 Street Tee figure 4 STC PL steel Street Tee STL PL 35 Bleed Orifice figure 4 S31600 1D4835X0012 36 NACE Tag not shown 18 8 stainless steel 37 Tag Wire not shown 303 stainless steel 47 Thread locking adhesive medium strength not furnished with switch 2100E Switch figure 6 1 Cage amp Displacer Assembly To c
22. omply with NACE MR0175 2002 heat treated steel and stainless steel w o sight window For 2220 WOG max working pressures w 1 NPT process connections w NPS 2 Sch 80 BWE process connections w NPS 2 Sch 160 BWE process connections For other than NACE applications carbon steel w sight window For 350 WOG max working pressure w 1 NPT process connection w o sight window For 2220 WOG max working pressures w 1 NPT process connections w NPS 2 Sch 80 BWE process connections w NPS 2 Sch 160 BWE process connections 2 Pipe Plug 2 req d w sight window 3 req d w o sight window 15 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 Figure 5 Fisher 2100 Switch Assembly Drawing 0 ae a ee aks gt ANY O Sr I SAT PENT AN ck AN lt 8 NN LIZZEST ZINA A D SECTION C C DETAIL OF RIGHT HAND MOUNTING WITH NOZZLE AND FLAPPER POSITIONED FOR LOW LEVEL SWITCHING ALSO TYPICAL OF HIGH LEVEL SWITCHING WITH LEFT HAND MOUNTING DETAIL OF SIGHT WINDOW CONSTRUCTION C X Less lt D PLESSIS veil 3 23 Se N 3 RAS VIEW B B ay SSS ee 30 LZ AHS ATN LIA 18 m 10 S VIEW B B L APPLY LUB SEALANT ADHESIVE 51A8650 H SECTION D D Key Description Key Description Part Number 3 Body Block 5 Sight Window glass and alloy steel To comply with NACE MRO175 2002 7 Torque Tube Assembly N04400 26A3197X022 N
23. on regarding related valves actuators positioners and accessories Do not install operate or maintain a 2100 pneumatic or a 100E electric liquid level switch without being fully trained and qualified in valve actuator and accessory installation operation and maintenance To avoid personal injury or property damage it is important to carefully read understand and follow all of the contents of this manual including all safety cautions and warnings If you have any questions about these instructions contact your Emerson Process Management sales office before proceeding EMERSON www Fisher com Process Management 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 Description The on off 2100 pneumatic switch figure 1 and the 2100E electric switch figure 2 operate shutdown valves or alarm systems when liquid in a vessel reaches a predetermined level The 2100 switch uses an externally mounted displacer that operates a nozzle flapper to vent the supply pressure when the switch is activated The nozzle flapper has a soft seat for tight shutoff when the switch is in its normal position flapper against the nozzle The 2100E switch uses the displacer torque to activate and deactivate an electric switch for positive on off service The displacer on each type can withstand up to 1 1 2 times the maximum working pressure allowing it to remain in the cage during hydrostatic testing Unless otherwise noted all N
24. procedure if necessary Dry calibration can be performed on the 2100E using the following procedure Refer to figure 6 1 Position the cage and displacer assembly key 1 so that the displacer is hanging downward 2 Level the switch arm key 40 if required 3 Loosen the locknut key 33 and adjust the machine screw key 31 until it contacts the switch 4 For low level dry calibration tighten the locknut For high level dry calibration turn the machine screw one additional full turn then tighten the locknut Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 Principle of Operation The 2100 switch figure 4 is an external cage mounted pneumatic liquid level switch When the switch is in the normal position with the flapper against the nozzle output pressure cannot bleed off and remains the same as full supply pressure Rising liquid level exerts a buoyant force on the displacer producing a torque in the torque tube When this torque exceeds the torque exerted on the flapper by the magnet the flapper snaps away from the nozzle This action allows output pressure to bleed through the nozzle faster than supply pressure can enter through the bleed orifice Figure 4 Principle of Operation for High Level Fisher 2100 Switch ee TUBE rg NOZZLE OPTIONAL P AERE STREET TEE DISPLACER OPTIONAL BLEED ORIFICE SHUTDOWN VALVE OR ALARM SYSTEM OUTPUT SIGNAL A3619 2 Th
25. s Management sales office if additional information is required Shipping Weight 17 2 kg 38 pounds Declaration of SEP Fisher Controls International LLC declares this product to be in compliance with Article 3 paragraph 3 of the Pressure Equipment Directive PED 97 23 EC It was designed and manufactured in accordance with Sound Engineering Practice SEP and cannot bear the CE marking related to PED compliance However the product may bear the CE marking to indicate compliance with other applicable European Community Directives 2 Normal m3 hr normal cubic meters per hour 0 C and 1 01325 bar absolute scfh standard cubic feet per hour 60 F and 14 7 psia 3 Pressure and temperature limits in this document and any applicable standards or code limitations should not be exceeded 4 Water Oil Gas maximum working pressure rating Corresponds to Cold Working Pressure the maximum pressure rating allowed under normal ambient temperature conditions which are usually understood to be 29 C to 38 C 20 F to 100 F Refer to MSS SP 25 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 Educational Services For information on available courses for 2100 pneumatic and 2100E electric liquid level switches as well as a variety of other products contact Emerson Process Management Educational Services Registration P O Box 190 Marshalltown IA 50158 2823 Phone 800 338 8158 or 64
26. th the switch mounting ports pointing down using cap screws key 30 Replace the torque tube O ring key 25 if necessary Install the bearing key 32 and torque tube assembly key 7 into the body block key 3 making sure the shaft of the torque tube assembly goes through the hole in the displacer rod end of the cage and displacer assembly key 1 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 11 12 13 14 15 16 17 With a tool inserted through the bottom process connection of the cage and displacer assembly key 1 move the displacer to its upward travel limit and then tighten the locknut on the displacer rod end to between 20 and 27 Nem 15 and 20 Ibfeft Install the pipe plug key 2 or the bushing and sight window assembly keys 4 and 5 into the body block key 3 Torque the pipe plug or bushing and sight window to between 68 and 136 Nem 50 and 100 Ibfeft Select a switch mounting port that will provide the desired switching action Screw the electric switch assembly into the selected port until the switch assembly groove aligns with the threaded hole for the set screw key 56 Position the electric switch contact directly below the machine screw key 31 Install and tighten the set screw key 56 to anchor the electric switch assembly Insert the cap plug key 54 in the unused switch mounting port Install the set screw key 56 in the mounting port of the s
27. tion 10 If changing from low level to high level switching or vice versa remove the machine screws key 31 flat washers key 29 and magnet bracket key 13 Install the magnet bracket on the opposite side of the nozzle block assembly key 8 and secure it with flat washers and machine screws 11 Replace the torque tube O ring key 25 if necessary Install the bearing key 32 and torque tube assembly key 7 into the body block key 3 making sure the shaft of the torque tube assembly goes through the hole in the displacer rod end of the cage and displacer assembly key 1 12 With a tool inserted through the bottom process connection of the cage and displacer assembly key 1 move the displacer to its upward travel limit and then tighten the locknut on the displacer rod end to between 20 and 27 Nem 15 and 20 lbfeft Instruction Manual 2100 and 2100E Liquid Level Switches D200119X012 February 2014 Install the pipe plug key 2 or the bushing and sight window assembly keys 4 and 5 into the body block key 3 Torque the pipe plug or the bushing and sight window assembly to between 68 and 136 Nem 50 and 100 bfeft Install the pressure plug key 9 with the attached O ring key 24 into the nozzle block assembly key 8 on the opposite side from the magnet key 14 and magnet bracket key 13 Install a nozzle key 6 of the correct supply pressure range with attached O ring key 26 and locknut key 33 into the noz
28. witch housing key 55 Install the switch arm key 40 on the shaft of the torque tube assembly key 7 with the head of the shaft clamp screw key 41 pointing toward the top process connection and the switch arm parallel to the top of the electric switch assembly key 49 Tighten the locknut key 33 on the shaft clamp screw to secure the switch arm Thread the machine screw key 31 in or out of the switch arm key 40 until it touches the contact of the electric switch assembly key 49 then tighten the locknut key 33 Secure the cover key 60 to the switch housing key 55 with the cover screw key 61 Parts Ordering When corresponding with your Emerson Process Management sales office about this equipment always mention the un fol it s serial number When ordering replacement parts refer to the part number of each required part as found in the lowing parts list A WARNING Use only genuine Fisher replacement parts Components that are not supplied by Emerson Process Management should not under any circumstances be used in any Fisher instrument The use of components not manufactured by Emerson Process Management may void your warranty might adversely affect the performance of the instrument and could result in personal injury and property damage Pa rts Kits Key Description Part Number Key Description Part Number 2100E Retrofit Kit included are the switch arm assy and keys 21 28 30 38 2100 Repair Kit includ
29. y Open Green Ground Ground Ground Black Normally Closed Yellow Common Purple Normally Open 2100 and 2100E Liquid Level Switches Instruction Manual February 2014 D200119X012 To change switch action from low level to high level switching or vice versa perform steps 1 through 4 and 13 through 17 of the 2100E maintenance procedure To reverse action of the 2100E switch refer to table 2 and reinstall wiring for normally open NO switches to normally closed NC and vice versa To change switch mounting from right hand to left hand or vice versa perform steps found in the 2100 switch maintenance procedure Calibration Check For either type of switch calibration can be checked by varying the level of the process liquid in the cage and observing the switch operation If the process connection directly on top of the cage is not piped to the tank close the isolating valves and fill the cage with process liquid through the top connection Verify that the switch operates as the cage is being filled Repeat the calibration procedure if necessary Calibration can also be checked on the work bench Connect a flexible hose from one of the bottom process connections to the bottom of a bucket The top process connection should be open Fill the bucket with process liquid As the bucket is raised or lowered the liquid level in the displacer cage rises or falls Verify that the switch operates as the level is varied Repeat the calibration
30. zle block assembly key 8 on the same side as the magnet key 14 and magnet bracket key 13 Install the flapper and clamp assembly key 12 on the shaft of the torque tube assembly key 7 with the flapper seat key 11 centered over the nozzle key 6 with the flapper at a 90 degree angle to the center line of the nozzle and with the end of the flapper flat and fully on the magnet key 14 For low level switching tighten the nut of the flapper and clamp assembly key 12 just enough to allow the flapper to rotate on the shaft of the torque tube assembly when light force is applied to the flapper For high level switching tighten the nut of the flapper and clamp assembly key 12 and the machine screws key 31 to secure the magnet bracket and magnet keys 13 and 14 Adjust the nozzle key 6 and flapper key 12 as follows For low level switching rotate the nozzle key 6 counterclockwise up until it is in contact with the flapper seat key 11 Rotate the nozzle an additional 1 5 turns in the counterclockwise direction and fully tighten the flapper clamp Rotate the nozzle 1 5 turns clockwise down Tighten the locknut key 33 For high level switching rotate the nozzle key 6 counterclockwise up until it is in contact with the flapper seat key 11 Tighten the locknut key 33 Install the cover key 15 with the attached cover gasket key 16 and secure it with the cover screws key 17 and attached
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