Emerson Fisher 2500 Instruction Manual

www.Fisher.comFisherr 2502 ControllersContentsIntroduction 2...Scope of Manual 2...Description

Instruction ManualD200126X0122502 ControllersFebruary 201510Figure 7. Cageless Sensor MountingCF5380‐AA3893TOP MOUNTEDSIDE VIEW (WITHOUT STILLWELL)SID

Instruction ManualD200126X0122502 ControllersFebruary 201511Figure 8. Displacer and Displacer Rod ConnectionsW0228‐1ADISPLACER RODDISPLACERSPUDALL OTH

Instruction ManualD200126X0122502 ControllersFebruary 201512assembly do not form a gas‐tight seal when the assembly is enclosed, a remote vent line, a

Instruction ManualD200126X0122502 ControllersFebruary 201513the pressure is incorrect, loosen the locknut of the filter/regulator (figure 3); turn the

Instruction ManualD200126X0122502 ControllersFebruary 201514The reset rate adjustment dial is calibrated in minutes per repeat. By definition, this is

Instruction ManualD200126X0122502 ControllersFebruary 201515Differential Relief AdjustmentThe differential relief valve protrudes from the back of the

Instruction ManualD200126X0122502 ControllersFebruary 201516Controller and Torque Tube Arm Disassembly WARNINGTo avoid personal injury from contact w

Instruction ManualD200126X0122502 ControllersFebruary 201517Wd = Weight of the displacer, in pounds (determine by weighing displacer).0.0361 = Weight

Instruction ManualD200126X0122502 ControllersFebruary 2015181. Connect a supply pressure source to the controller and provide a supply pressure suita

Instruction ManualD200126X0122502 ControllersFebruary 2015194. Slowly open the downstream and upstream manual control valves in the pipeline and clos

Instruction ManualD200126X0122502 ControllersFebruary 20152IntroductionScope of ManualThis instruction manual provides installation, operating, calibr

Instruction ManualD200126X0122502 ControllersFebruary 201520Figure 10. Direct‐Acting Right‐Hand‐Mounted Fisher 2502‐249 ControllerPROPORTIONALBELLOWST

Instruction ManualD200126X0122502 ControllersFebruary 201521The area ratio of the large diaphragm to the small diaphragm is 3 to 1. A 0.8 bar (12 psig

Instruction ManualD200126X0122502 ControllersFebruary 201522Figure 11. Fisher 2502F Controller with Differential Relief ValveCJ4081‐ACU7387‐BC0311‐2PR

Instruction ManualD200126X0122502 ControllersFebruary 201523be readily apparent when disassembling the sensor or removing the displacer. Before disass

Instruction ManualD200126X0122502 ControllersFebruary 201524Table 4. Troubleshooting Chart for Fisher 2502 Controllers (continued)Fault Possible Cause

Instruction ManualD200126X0122502 ControllersFebruary 201525CAUTIONIf the hex nut has not been loosened according to step 2, attempting to remove the

Instruction ManualD200126X0122502 ControllersFebruary 2015261. Remove the controller as described previously.2. A controller is attached to the sens

Instruction ManualD200126X0122502 ControllersFebruary 2015275. Install and tighten the bearing assembly (key 12, figure 14) in the case (key 1, figur

Instruction ManualD200126X0122502 ControllersFebruary 2015284. Install each bellows by screwing it down over the stud (key 97, not shown) protruding

Instruction ManualD200126X0122502 ControllersFebruary 201529NoteBeam overtravel can jam the flapper against the nozzle if the following step is not pe

Instruction ManualD200126X0122502 ControllersFebruary 20153Table 1. SpecificationsAvailable Configurations2502: A direct‐acting controller which provi

Instruction ManualD200126X0122502 ControllersFebruary 201530Key Description Part Number  9 Drive Pin, (2 req'd) 11 Relay Tubing, stainless steel 

Instruction ManualD200126X0122502 ControllersFebruary 201531Figure 14. Fisher 2502 Controller Constructions30A8942‐H43A2366‐H30A8943‐HTYPICAL CONTROLL

Instruction ManualD200126X0122502 ControllersFebruary 201532Key Description Part Number 83 Lock Washer, stainless steel (2 req'd) 84 Lock Washer,

Instruction ManualD200126X0122502 ControllersFebruary 20154Table 1. Specifications (continued)Hazardous Area Classification2502 controllers comply wit

Instruction ManualD200126X0122502 ControllersFebruary 20155 WARNINGPersonal injury or property damage may result from fire or explosion if natural ga

Instruction ManualD200126X0122502 ControllersFebruary 20156A caged sensor has a damping plate installed in the lower screwed or flanged connection to

Instruction ManualD200126X0122502 ControllersFebruary 20157Figure 4. Cage Head Mounting PositionsRIGHT‐HAND MOUNTINGLEFT‐HAND MOUNTING1 67CFR FI

Instruction ManualD200126X0122502 ControllersFebruary 20158Figure 5. Cage Connection StylesA1271-2STYLE 1: TOPAND BOTTOMSTYLE 2: TOPAND LOWER SIDESTYL

Instruction ManualD200126X0122502 ControllersFebruary 20159Mounting Cageless SensorNoteIf a stillwell is used, it must be installed plumb so that the