Emerson VSX4 Series Instruction Manual Download Page 5

Page: 5 / 16

OUTLET PrESSUrE, P

inLET PrESSUrE, P

aTMOSPHEriC PrESSUrE, Pb

ERAA11922-02

Figure 4.

VSX4/VSX8 Series Operational Schematics

DiaPHragM

CaM

rESET BUTTOn

rESET Pin

VaLVE PLUg

VaLVE PLUg SPring

DOWnSTrEaM SEnSE

BLOCKing SCrEW

OVErPrESSUrE SHUTOFF (OPSO)

aDjUSTing SCrEW

UnDErPrESSUrE SHUTOFF (UPSO)

aDjUSTing SCrEW

UnDErPrESSUrE

SHUTOFF (UPSO) SPring

OVErPrESSUrE

SHUTOFF (OPSO) SPring

ERAA10261-AA

VSX8 SEriES

DiaPHragM

CaM

rESET BUTTOn

rESET Pin

VaLVE PLUg

VaLVE PLUg SPring

DOWnSTrEaM SEnSE

BLOCKing SCrEW

OVErPrESSUrE SHUTOFF (OPSO)

aDjUSTing SCrEW

UnDErPrESSUrE SHUTOFF (UPSO)

aDjUSTing SCrEW

UnDErPrESSUrE

SHUTOFF (UPSO) SPring

OVErPrESSUrE

SHUTOFF (OPSO) SPring

VSX4 SEriES

VSX4 and VSX8 Series

Summary of Contents for VSX4 Series

Page 1: ...aintenance procedures performed by unqualified personnel may result in improper adjustment and unsafe operations which may result in equipment damage or personal injury The VSX4 and VSX8 Series controller do not activate in response to fire seismic and lightning events Figure 1 VSX4 and VSX8 Series Controller Introduction Scope of the Manual This Instruction Manual provides installation adjustment...

Page 2: ...ccording to PED Standards 20 to 66 C 4 to 150 F Non PED 30 to 66 C 22 to 150 F 2 Casing Material Aluminum Response Time ta 1 second Resetting Trip Mechanism Manually after Fault Rectification Position Indicator Extended stem visible in center of reset button Pressure Registration Internal or External European EN Reference Standard EN 14382 Approximate Shipping Weight 1 4 kg 3 1 lbs Options Wire Se...

Page 3: ...38 to 500 2 0 to 7 3 GF02172X012 Green 221 to 760 3 2 to 11 0 GF02173X012 Silver 400 to 1450 5 8 to 21 0 GF04353X012 Yellow VSX4H VSX8H 16 232 400 to 1100 5 8 to 16 0 GF02171X012 Pink 580 to 2000 8 4 to 29 0 GF02172X012 Green 900 to 3000 13 1 to 43 5 GF02173X012 Silver 1600 to 5500 23 2 to 79 8 GF04353X012 Yellow Figure 3 Nameplate for Explosive Atmosphere if ATEX Assembled Table 1 Directive ATEX ...

Page 4: ...LAM SHUT DEVICE Type Inlet Pressure Under Pressure Shut off UPSO UPSO Spring Over Pressure Shut off OPSO OPSO Spring Set Range Part Number Spring Color Set Range Over UPSO Setpoint Part Number Spring Color bar psig mbar psig mbar psig VSX4L VSX8L 8 6 125 7 to 11 ERAA05835A0 White 30 to 44 GF02167X012 Black 7 to 15 32 to 44 7 to 30 3 to 12 in w c 41 to 44 16 to 18 in w c 40 to 76 16 to 29 in w c GF...

Page 5: ...f OPSO Adjusting Screw Underpressure Shutoff UPSO Adjusting Screw Underpressure Shutoff UPSO Spring OVERPRESSURE Shutoff OPSO Spring ERAA10261 AA VSX8 SERIES DIAPHRAGM Cam Reset button Reset pin Valve plug Valve plug spring Downstream sense BLOCKING SCREW Overpressure Shutoff OPSO Adjusting Screw Underpressure Shutoff UPSO Adjusting Screw Underpressure Shutoff UPSO Spring OVERPRESSURE Shutoff OPSO...

Page 6: ...nstallation Instructions Note The VSX4 and VSX8 Series can be rotated 360 for easy installation and maintenance Install use and maintain in accordance to all applicable codes and standards Before proceeding to installation Ensure that the controller is compatible with the gas being regulated Check for damage that might have occurred during shipment Check for and remove any dirt or foreign material...

Page 7: ...Typical Installation Pu Pd D 4 x D Minimum Regulator Regulator Sense line Slam Shut Device Slam Shut Device Sense line RESET TRIP CLEARANCE 25 1 REMOVAL CLEARANCE 45 1 8 SPRING REMOVAL CLEARANCE 80 3 1 146 5 8 Ø 118 4 6 28 1 1 147 5 8 VSX4 and VSX8 Series 7 ...

Page 8: ...ot pull pinch or carry the VSX8 Series by the cable of contact reed Unsuitable handling of cable can damage the reed contact Description and Recommendations This electrical contact is a limit switch contact based on the reed contact principle The actuation takes place through a permanent magnet The operation of the electrical contact may be affected by magnetic materials Initial commissioning is d...

Page 9: ...pply adhesive 1 1 Adhesives must be selected such that they meet the temperature requirements 26 107 54 52 TORQUE 0 7 N m 6 2 IN LBS TORQUE 4 TO 8 N m 3 TO 6 IN LBS 30 4a 4e 105 96 A TORQUE 0 3 TO 0 55 N m 2 7 TO 4 8 IN LBS TORQUE 0 7 N m 6 2 IN LBS 106 1 VSX4 and VSX8 Series 9 ...

Page 10: ...ownstream control Line connection 23 Manual Shut Off Button Procedure For Vsx4 And Vsx8 Series Figure 10 Controller Manual Bypass 47 30 Figure 11 Relatching the Controller Mechanism 30 Figure 12 Repositioning the Reset Button 26 VSX4 and VSX8 Series 10 ...

Page 11: ...ng a screwdriver press the manual shut off button key 23 to manually trip the controller Manual Reset Procedure Figures 10 to 13 for VSX4 and VSX8 Series Caution Equipment installed downstream of the controller can be damaged if the following procedure for resetting the controller is not followed This equipment includes the integral controller regulator configurations Note An OPSO spring must be p...

Page 12: ...change registration from Internal to External and Spring and Diaphragm Replacement as described below All other internal disassembly requires special tooling and should be done only at the factory for example the cam and reset pin assembly key 4 Figure 15 Warning Only parts manufactured by Emerson should be used for repairing the VSX4 and VSX8 Series Slam shut Device Valve Plug Disk Replacement Wa...

Page 13: ...cedure Unscrew and remove the closing cap key 3 Using a flathead screwdriver unscrew and remove the OPSO adjusting screw key 43 OPSO spring key 41 maximum washer key 42 Unscrew and remove the UPSO adjusting screw key 40 mini washer key 103 and UPSO spring key 38 Using a 10 mm 3 8 in wrench unscrew and remove the eight spring case screws key 16 and associated nuts key 12 and then remove the spring ...

Page 14: ...ty nut H M6 1 FA404550X12 FA404550X12 FA404550X12 FA404550X12 32 Diaphragm Support Not Shown 1 GF01934X012 GF01934X012 38 Spring Mini 1 See Table 3 See Table 3 See Table 3 See Table 3 40 Adjustable Screw Mini 1 ERAA05947A0 ERAA05947A0 ERAA05947A0 ERAA05947A0 41 Spring Maxi 1 See Tables 2 and 3 See Tables 2 and 3 See Tables 2 and 3 See Tables 2 and 3 42 Maxi washer 1 GF01925X012 GF01925X012 GF01925...

Page 15: ...7 IN LBS torque 5 7 TO 6 2 N m 50 TO 55 IN LBS torque 0 3 TO 0 55 N m 2 7 TO 4 8 IN LBS ERCA02667 apply lubricant 1 L1 MULTI PURPOSE PTFE LUBRICANT L2 ANTI SEIZE LUBRICANT 1 Lubricants must be selected such that they meet the temperature requirements torque 0 3 to 0 55 N m 2 7 TO 4 9 IN LBS 13 8 1 28 29 47 44 9 10 15 VSX4 SERIES MANUAL BUTTON 23 24 25 22 20 21 Figure 15 Controller Assembly VSX4 an...

Page 16: ...min Regulators emerson com Emerson Automation Solutions The distinctive swirl pattern cast into every actuator casing uniquely identifies the regulator as part of the Fisher brand Commercial Service Regulator family and assures you of the highest quality engineering performance and support traditionally associated with Fisher and Tartarini regulators Visit www fishercommercialservice com to access...

Search results

Summary of Contents for VSX4 Series

Reviews:

Related manuals for VSX4 Series

Brands by name

Popular brands

Emerson VSX4 Series, Instruction Manual

Search results

Summary of Contents for VSX4 Series

Reviews:

Related manuals for VSX4 Series

Brands by name

Popular brands